Tüm alıştırma soruları

3551 soru

Tüm türler3,551 Çoktan seçmeli1,809 Çoklu seçim786 Sayısal12 Eşleştirme521 Sıralama423

A desktop support technician is configuring virtualized environments on software developers' primary Windows 11 workstations to test legacy application code. The virtualization software must run as a standard software application within the existing host operating system, allowing users to switch easily between guest virtual machines and their daily productivity apps. Which of the following hypervisor types is most appropriate for this deployment?

Type 2 hypervisor

Type 1 hypervisor

Bare-metal hypervisor

Storage-attached hypervisor

Cevabı ve açıklamayı göster

Cevap: Type 2 hypervisor

Cevap

A Type 2 hypervisor is the correct choice because it executes as an application on top of an existing host operating system, perfectly matching client-side developer testing requirements.

A Type 2 (hosted) hypervisor runs as a traditional software application inside an existing host operating system (such as Windows 11). This architecture permits users to run guest virtual machines alongside host-level desktop applications.

Adım Adım Çözüm

Analyze deployment constraints

The requirement specifies running virtual machines within an application installed on top of an active Windows 11 host operating system.

Understanding whether an operating system already exists beneath the hypervisor dictates the hypervisor layer.

Differentiate hypervisor architecture classifications

Hosted hypervisors (Type 2) depend on a host OS to manage hardware access, whereas bare-metal hypervisors (Type 1) manage hardware directly.

Client desktop testing scenarios requiring simultaneous access to host applications rely on Type 2 hypervisors.

Anahtar Kavram

Type 1 vs Type 2 Hypervisor Architectures

Soru 2202Soru →

A storage administrator is preparing a formal change proposal to perform a controller firmware update on an enterprise Storage Area Network (SAN) that hosts critical virtual machine datastores. Which TWO of the following components are mandatory inclusions in the change request prior to submitting it to the Change Advisory Board (CAB)?

Geçerli olan tümünü seçin

A detailed rollback plan outlining step-by-step procedures to revert the controllers to their previous configuration if instability occurs

A comprehensive risk analysis detailing potential service interruptions and performance impacts during maintenance

Immediate installation of the update in production prior to submitting documentation to verify operational compatibility

Permanent removal of all prior SAN array configuration backups to maximize storage capacity for update files

Cevabı ve açıklamayı göster

Cevap: A detailed rollback plan outlining step-by-step procedures to revert the controllers to their previous configuration if instability occurs; A comprehensive risk analysis detailing potential service interruptions and performance impacts during maintenance

Cevap

The correct mandatory inclusions for a formal change request prior to CAB submission are a detailed rollback plan and a comprehensive risk analysis.

A complete formal change request submitted for Change Advisory Board approval must include a comprehensive risk analysis assessing potential business impact and downtime, as well as a documented rollback plan detailing step-by-step procedures to restore previous working states if the implementation fails.

Adım Adım Çözüm

Identify the standard elements required in a formal IT change management request according to CompTIA operational guidelines.

Formal change management procedures require defining the purpose and scope, assessing potential risks, establishing implementation procedures, creating a rollback plan, and scheduling stakeholder notifications.

The Change Advisory Board (CAB) relies on risk evaluation and backout preparation to approve or reject proposed infrastructure modifications.

Evaluate the given choices against change management requirements.

Developing a rollback plan and assessing potential risks are critical mandatory steps before CAB review. Applying updates early in production or deleting system backups undermines change control governance and system recovery capabilities.

Rollback plans maintain business continuity upon failure, whereas risk analysis quantifies potential operational disruption.

Anahtar Kavram

Essential components of a formal change request including risk analysis and rollback planning prior to Change Advisory Board (CAB) review.

Soru 2203Soru →

A corporate mobile user reports receiving frequent untrusted root certificate warnings while connected to external networks. Shortly after, security alerts indicate unauthorized login attempts on the user's corporate Single Sign-On (SSO) account. A technician inspects the mobile device and discovers an unapproved custom VPN configuration profile routing all encrypted traffic through a rogue proxy server. Which of the following is the BEST sequence of actions to resolve the security compromise and protect corporate data?

Remove the untrusted VPN profile, reset the user's SSO credentials, and re-enroll the device in the Mobile Device Management (MDM) portal.

Update the cellular Access Point Name (APN) settings on the device to switch network routing away from the carrier.

Reconfigure the public wireless network router to force WPA3-Enterprise authentication for all connected clients.

Perform a soft reset on the mobile phone and clear the cached history of the native web browser.

Cevabı ve açıklamayı göster

Cevap: Remove the untrusted VPN profile, reset the user's SSO credentials, and re-enroll the device in the Mobile Device Management (MDM) portal.

Cevap

Remove the untrusted VPN profile, reset the user's SSO credentials, and re-enroll the device in the Mobile Device Management (MDM) portal.

The correct response addresses both the root cause on the device (the malicious VPN profile intercepting traffic) and the secondary impact (compromised corporate account credentials). Removing the profile halts unauthorized traffic redirection, resetting credentials revokes compromised access, and MDM re-enrollment restores enforced security baselines.

Adım Adım Çözüm

Identify and remove the unauthorized configuration profile.

Stops malicious traffic interception and prevents further MITM (Man-in-the-Middle) credential harvesting.

Rogue VPN profiles alter system network routing, forcing data through attacker-controlled proxies.

Reset user Single Sign-On (SSO) credentials immediately.

Invalidates stolen session tokens and passwords stored or captured by the rogue proxy.

Prevents attacker from utilizing already-harvested user credentials to access corporate resources.

Re-enroll the device into enterprise Mobile Device Management (MDM).

Restores baseline security compliance, trusted certificate authorities, and corporate restrictions.

Ensures unapproved profiles cannot easily be reinstalled and ensures policy compliance.

Anahtar Kavram

Mobile OS Security and Malicious Profile Remediation

Tahmini Süre:1m 30s

Soru 2204Soru →

A systems administrator is configuring a workstation to host three concurrent Type 2 guest virtual machines (VMs) for software testing. The host system is equipped with an 8-core/16-thread CPU and $64\text{ GB}$ of physical DDR5 RAM. The host OS requires a baseline reservation of $8\text{ GB}$ of RAM, while each guest VM requires $16\text{ GB}$ of allocated RAM and direct hardware access to dedicated USB capture cards attached to the host. Which of the following host firmware settings and hardware resource configurations must be established to satisfy these virtual machine requirements? (Select TWO.)

Geçerli olan tümünü seçin

Enable Second Level Address Translation (SLAT) support in the host motherboard UEFI/BIOS settings

Enable IOMMU (Intel VT-d / AMD-Vi) virtualization extensions in the host motherboard UEFI/BIOS settings

Increase individual guest memory allocations to

20\text{ GB}

per VM to account for dynamic hypervisor memory translation overhead

Disable Simultaneous Multithreading (SMT) in the host firmware to force a 1:1 physical core mapping for all 12 vCPUs

Cevabı ve açıklamayı göster

Cevap: Enable Second Level Address Translation (SLAT) support in the host motherboard UEFI/BIOS settings; Enable IOMMU (Intel VT-d / AMD-Vi) virtualization extensions in the host motherboard UEFI/BIOS settings

Cevap

Enabling Second Level Address Translation (SLAT) and enabling IOMMU (Intel VT-d / AMD-Vi) extensions in the host UEFI/BIOS are required.

Enabling Second Level Address Translation (SLAT) reduces page table management overhead by delegating memory mapping directly to the host CPU hardware. Enabling IOMMU (Intel VT-d or AMD-Vi) in the motherboard firmware provides Direct Memory Access (DMA) and interrupt remapping necessary to pass physical USB devices directly into guest VMs.

Adım Adım Çözüm

Calculate host RAM headroom

Total host physical RAM =

64\text{ GB}

. Host OS baseline requirement =

8\text{ GB}

. Three guest VMs at

16\text{ GB}

each =

48\text{ GB}

. Total memory consumed =

48\text{ GB} + 8\text{ GB} = 56\text{ GB}

, leaving

8\text{ GB}

free host margin.

Verifies that memory is not overcommitted under default allocations.

Identify hardware pass-through requirements

Direct pass-through of physical host hardware (USB capture cards) requires IOMMU (Intel VT-d or AMD-Vi) to be enabled in UEFI/BIOS.

Allows guest operating systems to re-map physical DMA operations and access PCI/USB devices directly.

Identify CPU hardware virtualization optimization requirements

Second Level Address Translation (SLAT / EPT / RVI) must be enabled in UEFI/BIOS.

SLAT offloads virtual-to-physical memory address translation from the software hypervisor to the CPU hardware, preventing major performance degradation when multiple VMs are running.

Anahtar Kavram

Virtual Machine Hardware Extensions & Memory Allocation

Soru 2205Soru →

A system administrator notices that a departmental printer regularly pulls several sheets of paper at once from the main tray, causing frequent jams near the intake path. The paper weight and tray guide settings have already been verified as correct. Which of the following components should be replaced to resolve this issue?

Separation pad

Imaging drum

Duplexing assembly

Registration roller

Cevabı ve açıklamayı göster

Cevap: Separation pad

Cevap

Separation pad

The separation pad works in conjunction with the pickup roller to maintain friction against the paper stack, allowing only one page to be pulled into the feed path at a time. When the pad becomes worn or smooth, it fails to hold back secondary sheets, causing multi-page feeding and paper jams.

Adım Adım Çözüm

Analyze the reported physical symptom

The printer is feeding multiple pages simultaneously from the tray.

Identifying multi-sheet feeding narrows the fault to friction mechanism components at the paper tray intake.

Evaluate component roles in paper feeding

The separation pad works alongside the pickup roller to restrain lower sheets while the top sheet is pulled into the printer path.

When the rubber surface of a separation pad wears smooth, it loses friction and allows multiple pages to slide into the feed path together.

Anahtar Kavram

Printer Feed Assembly and Consumable Maintenance

Soru 2206Soru →

An IT support specialist needs to manually configure a Windows workstation to route all outgoing web traffic through an internal corporate proxy server at IP address $10.0.4.250$ using port $8080$ . The specialist wants to modify this setting globally within the standard graphical utility interface. Which Windows Control Panel applet should the specialist open to access the LAN settings required for this configuration?

Internet Options

Network and Sharing Center

Windows Defender Firewall

System

Cevabı ve açıklamayı göster

Cevap: Internet Options

Cevap

Internet Options is the correct utility for configuring system-wide proxy server settings under the Connections tab.

Internet Options provides access to the Connections tab, where administrators click LAN Settings to define manual proxy server IP addresses and port numbers for web traffic.

Adım Adım Çözüm

Identify the required network configuration task.

The goal is to set a manual proxy server IP address (

10.0.4.250

) and port (

8080

) for web browser traffic.

Routing HTTP/HTTPS traffic through a proxy server requires modifying operating system network connection properties.

Locate the specific Control Panel utility for web and LAN connection settings.

Opening Internet Options and navigating to the Connections tab leads to the LAN Settings sub-dialogue.

The LAN Settings window allows administrators to check 'Use a proxy server for your LAN' and specify the address and port.

Anahtar Kavram

Windows Control Panel Internet Options Proxy Configuration

Soru 2207Soru →

A technician is troubleshooting a desktop computer that turns on with internal fans spinning at high speed, but the system fails to display video and emits a repeating POST error code indicating a memory initialization failure. Which TWO of the following initial troubleshooting steps should the technician perform to isolate the issue?

Geçerli olan tümünü seçin

Reseat all installed RAM modules firmly into their motherboard slots.

Test the system's startup behavior using a single known-good memory module in one DIMM slot at a time.

Reinstall the operating system to repair corrupted boot files preventing hardware startup.

Replace the workstation RAM modules with SO-DIMM modules designed for high-density slot configurations.

Cevabı ve açıklamayı göster

Cevap: Reseat all installed RAM modules firmly into their motherboard slots.; Test the system's startup behavior using a single known-good memory module in one DIMM slot at a time.

Cevap

Reseat all installed RAM modules firmly into their motherboard slots, and test the system's startup behavior using a single known-good memory module in one DIMM slot at a time.

Reseating memory modules ensures proper physical connection to motherboard contacts, and testing with a single known-good RAM module systematically isolates individual faulty memory sticks or defective motherboard DIMM slots during POST diagnostics.

Adım Adım Çözüm

Analyze the diagnostic symptoms reported during startup.

The failure occurs during POST prior to video initialization, and the beep code points specifically to memory detection failure.

Troubleshooting must focus on physical RAM seating, module integrity, or motherboard DIMM slots rather than operating system files.

Perform physical contact verification and module isolation.

Reseating modules verifies connection integrity, while testing one known-good module across slots isolates faulty individual RAM sticks or defective motherboard slots.

This systematic component isolation pinpoints the exact root cause of the memory POST failure.

Anahtar Kavram

RAM and POST Hardware Troubleshooting

Soru 2208Soru →

A technician is setting up a custom database reporting utility on a workstation running 64-bit Windows 11 Pro. The software installation guide indicates that the application relies on a legacy 32-bit database driver to connect to the backend server and requires write access to a shared location for updating application-wide runtime configuration settings accessible by all system users. Which of the following tasks should the technician perform to properly configure this application? (Select TWO.)

Geçerli olan tümünü seçin

Configure the 32-bit database driver using the 32-bit ODBC Data Source Administrator located in C:\Windows\SysWOW64\odbcad32.exe.

Grant Standard Users Modify permission on the application's shared subfolder located in C:\ProgramData.

Configure the database connection using the default ODBC Data Source Administrator tool located in C:\Windows\System32\odbcad32.exe.

Grant Standard Users Write access to the application binaries folder located in C:\Program Files (x86).

Cevabı ve açıklamayı göster

Cevap: Configure the 32-bit database driver using the 32-bit ODBC Data Source Administrator located in C:\Windows\SysWOW64\odbcad32.exe.; Grant Standard Users Modify permission on the application's shared subfolder located in C:\ProgramData.

Cevap

To properly configure the legacy application on 64-bit Windows 11 Pro, the technician must configure the 32-bit database driver using the 32-bit ODBC Data Source Administrator in C:\Windows\SysWOW64\odbcad32.exe and grant Standard Users Modify permission on the application's shared subfolder located in C:\ProgramData.

On 64-bit versions of Windows, 32-bit applications require 32-bit ODBC drivers configured via the 32-bit administrator tool located in C:\Windows\SysWOW64\odbcad32.exe. Additionally, shared application settings that need to be modified by all standard users should be placed in C:\ProgramData with explicit permissions granted, preserving system security without modifying Program Files.

Adım Adım Çözüm

Identify the application architecture requirements.

Recognize that a 32-bit application requiring database connectivity must use a 32-bit ODBC driver and DSN setup.

64-bit Windows separates 32-bit and 64-bit database drivers; 32-bit applications cannot utilize 64-bit DSNs.

Locate and launch the correct ODBC management utility.

Open C:\Windows\SysWOW64\odbcad32.exe to configure the 32-bit driver.

The System32 directory contains the 64-bit utility, while SysWOW64 contains the 32-bit utility.

Determine the correct directory for global application data configuration.

Select C:\ProgramData for shared configuration files and grant Modify permissions to standard users.

C:\ProgramData is the standard location for shared application state data across all users on a Windows machine.

Anahtar Kavram

32-bit vs 64-bit ODBC Administration and Windows Shared Data Directory Permissions

Soru 2209Soru →

Match each enterprise cloud deployment scenario on the left with its corresponding cloud deployment model on the right.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Cevabı ve açıklamayı göster

Cevap

Municipal transit & emergency agency joint platform matches Community Cloud; Bank using on-premises database with public cloud analytics matches Hybrid Cloud; Start-up using multi-tenant cloud virtual servers matches Public Cloud; Defense contractor isolated internal infrastructure matches Private Cloud.

Each deployment model is matched based on tenancy, ownership, and accessibility boundaries according to CompTIA standards: Community Cloud serves shared organizational groups, Hybrid Cloud connects private and public environments, Public Cloud uses multi-tenant internet-accessible hardware, and Private Cloud serves a single dedicated organization.

Adım Adım Çözüm

Analyze the scenario of municipal transit and emergency management agencies sharing infrastructure.

Identified that distinct organizations with shared mission/regulatory goals share infrastructure.

Shared infrastructure among specific organizations with common requirements defines a Community Cloud.

Analyze the bank scenario combining on-premises database hardware with third-party cloud analytics.

Identified integration of private on-premises infrastructure and public cloud resources.

Bound together by technology enabling data/application portability between private and public models defines a Hybrid Cloud.

Analyze the start-up deploying virtual servers on a third-party multi-tenant network.

Identified multi-tenant infrastructure available over the public internet.

Services rendered over an open network for general consumption represent a Public Cloud.

Analyze the defense contractor running exclusive infrastructure strictly for internal operations.

Identified single-tenant dedicated infrastructure exclusively owned and managed for one organization.

Sole-tenant dedicated environment represents a Private Cloud.

Anahtar Kavram

Cloud Deployment Models (Public, Private, Hybrid, Community)

Soru 2210Soru →

A technician is installing a replacement motherboard into a workstation case and preparing the system for first boot. Which of the following motherboard power connections must be secured to ensure the system board and processor receive proper power? (Select TWO.)

Geçerli olan tümünü seçin

The primary 24-pin ATX power connector to supply operational voltage to motherboard components and expansion buses.

An auxiliary 4-pin or 8-pin ATX12V/EPS12V connector to supply dedicated power directly to the CPU voltage regulator.

A 6+2 pin PCIe power connector plugged into the main system board power header.

A 15-pin SATA power connector plugged into the system board front-panel header.

Cevabı ve açıklamayı göster

Cevap: The primary 24-pin ATX power connector to supply operational voltage to motherboard components and expansion buses.; An auxiliary 4-pin or 8-pin ATX12V/EPS12V connector to supply dedicated power directly to the CPU voltage regulator.

Cevap

The correct connections are the primary 24-pin ATX power connector for overall motherboard circuitry and an auxiliary 4-pin or 8-pin ATX12V/EPS12V connector for dedicated CPU power.

Standard desktop motherboards require two main power supply connections to operate correctly: the primary 24-pin ATX main power cable, which powers motherboard logic and expansion slots, and the dedicated 4-pin or 8-pin ATX12V/EPS12V connector positioned near the CPU socket, which supplies isolated +12V power to the CPU voltage regulator.

Adım Adım Çözüm

Identify the primary power connector for the motherboard.

Connect the 24-pin ATX power connector from the power supply unit into the 24-pin motherboard socket.

This main connection routes +3.3V, +5V, and +12V power channels throughout the motherboard trace networks, chipset, and onboard slots.

Identify the dedicated power connector for the central processor.

Connect the auxiliary 4-pin or 8-pin ATX12V/EPS12V cable into the matching socket near the CPU socket.

Modern CPUs demand concentrated +12V current that cannot safely be delivered through the main 24-pin connector alone.

Anahtar Kavram

Motherboard Power Connectors (24-pin ATX and 4/8-pin EPS12V)

Soru 2211Soru →

A technician is upgrading a desktop workstation used for video editing. The motherboard specifications state that it requires DDR4 Unbuffered DIMMs (UDIMMs). The technician attempts to install two 16 GB DDR4 Registered DIMM (RDIMM) modules retrieved from a retired enterprise server. Upon powering on the workstation, system fans turn on, but the computer fails to POST and displays no video output. Which of the following best explains why the system failed to boot?

Registered memory (RDIMMs) contains an onboard register buffer that is incompatible with desktop motherboards designed solely for unbuffered memory.

Registered memory modules utilize the compact SO-DIMM physical form factor, which prevents proper seating into full-sized desktop motherboard slots.

Installing two memory modules into adjacent slots automatically forces the motherboard memory controller to halt POST due to a dual-channel configuration error.

Registered RAM modules require an M.2 host bus controller slot rather than traditional DDR4 motherboard expansion slots.

Cevabı ve açıklamayı göster

Cevap: Registered memory (RDIMMs) contains an onboard register buffer that is incompatible with desktop motherboards designed solely for unbuffered memory.

Cevap

Registered memory (RDIMMs) contains an onboard register buffer that is incompatible with desktop motherboards designed solely for unbuffered memory.

Registered memory (RDIMM) incorporates an onboard register chip that buffers control and address signals to increase stability in high-density server environments. Standard desktop motherboards and consumer CPUs lack support for this register interface and require Unbuffered memory (UDIMM), causing the computer to fail POST when RDIMMs are installed.

Adım Adım Çözüm

Analyze motherboard memory specifications

The desktop motherboard explicitly specifies support for DDR4 Unbuffered DIMMs (UDIMMs).

Desktop motherboards rely on the CPU's integrated memory controller directly addressing memory chips without an intermediate buffer register.

Compare installed module characteristics (RDIMM vs UDIMM)

RDIMMs contain an extra register chip that buffers command and address signals between the memory controller and the DRAM chips.

This buffer reduces electrical loading in multi-slot server boards, but desktop chipsets cannot communicate through this register architecture.

Determine the root cause of the POST failure

The system cannot initialize RAM during POST due to hardware protocol incompatibility between the desktop chipset and the registered memory modules.

Incompatible memory architecture prevents successful system boot and Power-On Self-Test (POST).

Anahtar Kavram

UDIMM vs RDIMM Compatibility

Tahmini Süre:1m 0s

Soru 2212Soru →

A help desk technician has completed gathering details from a user and successfully reproduced a problem where a tablet intermittently disconnects from the Wi-Fi network. According to the standard CompTIA troubleshooting methodology, which of the following is the NEXT step the technician should take?

Establish a theory of probable cause.

Implement a plan of action to resolve the wireless issue.

Reconfigure the primary DNS server to manage IP address leases for mobile clients.

Replace the display inverter component to restore Wi-Fi signal processing.

Cevabı ve açıklamayı göster

Cevap: Establish a theory of probable cause.

Cevap

Establish a theory of probable cause.

The CompTIA troubleshooting methodology follows a strict order: 1) Identify the problem, 2) Establish a theory of probable cause, 3) Test the theory, 4) Establish a plan of action and implement the solution, 5) Verify full system functionality and implement preventive measures, and 6) Document findings. Since the technician has already gathered information and reproduced the issue (Step 1), the immediate next step is to establish a theory of probable cause.

Adım Adım Çözüm

Identify the current stage reached in the CompTIA troubleshooting framework.

The technician has already identified the problem by interviewing the user and reproducing the issue.

Step 1 (Identify the problem) is complete.

Determine the immediate next step in the standard 6-step sequence.

Step 2 is 'Establish a theory of probable cause (question the obvious)'.

A technician must form a hypothesis before testing or attempting fixes.

Anahtar Kavram

CompTIA 6-Step Troubleshooting Methodology Sequence

Tahmini Süre:45s

Soru 2213Soru →

A system administrator is troubleshooting a frozen proprietary application process named finance_app.exe on a Windows workstation. The administrator must first identify the Process Identifier (PID) associated with finance_app.exe and then forcibly terminate both the main process and all of its associated child processes using the Command Prompt. Which of the following commands will successfully accomplish these actions? (Select TWO.)

Geçerli olan tümünü seçin

tasklist /fi "imagename eq finance_app.exe"

taskkill /im finance_app.exe /f /t

kill -9 finance_app.exe

taskkill /pid 4321 /r /p

Cevabı ve açıklamayı göster

Cevap: tasklist /fi "imagename eq finance_app.exe"; taskkill /im finance_app.exe /f /t

Cevap

The administrator must run 'tasklist /fi "imagename eq finance_app.exe"' to filter and retrieve the PID for finance_app.exe, and 'taskkill /im finance_app.exe /f /t' to forcibly terminate the specified executable along with all of its child processes.

The tasklist utility with the /fi filter allows a technician to search for running processes by criteria such as image name to discover their process ID (PID). To forcibly stop a hung application along with any dependent processes it launched, taskkill requires the /f (force) switch and the /t (tree) switch combined with either the /im (image name) or /pid (process ID) parameter.

Adım Adım Çözüm

Locate the PID for the frozen process.

Running 'tasklist /fi "imagename eq finance_app.exe"' returns the running task matching the specified image name and displays its corresponding PID.

Filtering tasks by image name prevents having to manually search through a lengthy list of active system processes.

Terminate the target process and its child processes forcibly.

Executing 'taskkill /im finance_app.exe /f /t' sends a force signal (/f) to terminate the specified image name (/im) and includes all spawned sub-processes (/t).

Standard termination requests may fail when an application is frozen or unresponsive, requiring forced tree termination.

Anahtar Kavram

Windows Process Management CLI Utilities (tasklist and taskkill)

Soru 2214Soru →

A systems administrator is responding to a security alert involving several enterprise mobile devices. An audit reveals that users installed an unverified optimization tool from an external website, which prompted the installation of a custom root certificate authority (CA) profile and granted the app elevated system permissions. Consequently, the devices lost access to the corporate 802.1X/WPA3-Enterprise wireless network and triggered unauthorized data access alerts. Which TWO of the following initial remediation steps should the administrator take to resolve the security breach and restore connectivity?

Geçerli olan tümünü seçin

Remove the untrusted root CA certificate profile from the trusted credential store on each affected device.

Contact the cellular service provider to issue replacement SIM cards and reset access point name (APN) settings.

Revoke the sideloaded application's administrative permissions and uninstall the app from the devices.

Reconfigure the corporate wireless access points to use WPA2-Personal pre-shared key (PSK) authentication.

Factory reset the corporate wireless access points to clear cached client authentication tokens.

Cevabı ve açıklamayı göster

Cevap: Remove the untrusted root CA certificate profile from the trusted credential store on each affected device.; Revoke the sideloaded application's administrative permissions and uninstall the app from the devices.

Cevap

The administrator should remove the untrusted root CA certificate profile from the trusted credential store and revoke the sideloaded application's administrative permissions before uninstalling the app.

Remediating unauthorized mobile access caused by sideloaded malicious software requires eliminating both the application itself and any persistence mechanisms it created. Removing the untrusted root CA certificate profile restores proper trust validation for enterprise network authentication (802.1X/WPA3-Enterprise), while revoking permissions and uninstalling the sideloaded application removes the unauthorized access threat vector.

Adım Adım Çözüm

Identify the malicious artifacts on the mobile OS

Discovered an unverified root CA certificate profile and an unauthorized sideloaded app with elevated device privileges.

Sideloaded apps and custom root certificates break device trust chains and allow unauthorized data interception.

Remove the untrusted certificate profile

Restores standard certificate validation rules for corporate 802.1X/WPA3-Enterprise Wi-Fi authentication.

An unauthorized root certificate disrupts proper TLS trust verification for corporate network services.

Revoke app permissions and uninstall the malicious software

Eliminates the vector for unauthorized access and stops background malicious activities.

Uninstalling the app and removing its administrative rights isolates the local security threat.

Anahtar Kavram

Remediating Mobile OS Security Compromises and Unauthorized Certificate Profiles

Soru 2215Soru →

An IT technician is preparing to install a heavy 4U storage expansion chassis into a server rack cabinet and upgrade its internal RAM modules before commissioning the server. Which of the following safety precautions should the technician implement to ensure personal safety and prevent hardware damage? (Select TWO.)

Geçerli olan tümünü seçin

Utilize a mechanical equipment lift or team lifting procedure when raising the storage chassis into the rack cabinet.

Attach an ESD wrist strap to an unpainted metal portion of the grounded equipment rack frame while handling internal memory modules.

Connect the anti-static wrist strap grounding clip directly to an active AC power line conductor to maintain maximum grounding path continuity.

Install the heavy storage chassis at the topmost position in an empty rack cabinet to maximize airflow around the bottom intake vents.

Cevabı ve açıklamayı göster

Cevap: Utilize a mechanical equipment lift or team lifting procedure when raising the storage chassis into the rack cabinet.; Attach an ESD wrist strap to an unpainted metal portion of the grounded equipment rack frame while handling internal memory modules.

Cevap

The technician should utilize a mechanical lift or team lifting procedure to safely manage the heavy chassis weight, and attach an ESD wrist strap to an unpainted metal surface of the grounded rack frame when handling internal memory components.

Using a mechanical lift or team lifting process prevents bodily strain and dropped equipment when mounting heavy rack-mount enclosures. Attaching an anti-static wrist strap to unpainted metal on a grounded rack safely dissipates static charges without exposing technicians to hazardous voltages.

Adım Adım Çözüm

Assess physical lifting and mounting safety for heavy server equipment.

Determined that heavy server enclosures require team lifting or mechanical assistance to prevent musculoskeletal injury or dropped hardware.

Enterprise chassis exceeding standard single-person weight limits pose severe physical strain and drop risks if handled alone.

Implement electrostatic discharge (ESD) protection during memory installation.

Determined that connecting an anti-static wrist strap to unpainted, grounded rack metal safely bleeds static electric charges.

Sensitive electronic components like system RAM are highly susceptible to damage from imperceptible static discharges.

Anahtar Kavram

Rack Installation Ergonomics and Electrostatic Discharge (ESD) Control

Soru 2216Soru →

A desktop technician is sizing a power supply unit (PSU) for a 3D modeling workstation upgrade. The system features a CPU rated at $105\text{ W}$ TDP, a new workstation graphics card with a peak power consumption of $320\text{ W}$ , and internal peripherals (motherboard, RAM, liquid cooler, and storage drives) drawing a combined total of $95\text{ W}$ . Company policy mandates that the total estimated system power consumption must include an additional $25\%$ safety headroom margin to ensure long-term stability and prevent PSU overload. What minimum PSU wattage capacity should the technician select for this workstation?

650\text{ W}

520\text{ W}

550\text{ W}

400\text{ W}

Cevabı ve açıklamayı göster

Cevap: $650\text{ W}$

Cevap

The minimum recommended PSU wattage rating is

650\text{ W}

The total system power consumption is calculated by summing the CPU (

105\text{ W}

), GPU (

320\text{ W}

), and peripheral power draws (

95\text{ W}

), resulting in

520\text{ W}

. Incorporating the required

25\%

safety headroom margin (

520\text{ W} \times 1.25

) yields exactly

650\text{ W}

Adım Adım Çözüm

Calculate total base power consumption of all workstation components.

105\text{ W (CPU)} + 320\text{ W (GPU)} + 95\text{ W (Peripherals)} = 520\text{ W}

Accurate PSU sizing requires accounting for every component drawing power from the power supply.

Apply the

25\%

safety headroom margin to the total base wattage.

520\text{ W} \times 1.25 = 650\text{ W}

Adding a headroom margin prevents the PSU from running continuously at maximum capacity, reducing heat, noise, and power delivery failures.

Anahtar Kavram

Power supply unit (PSU) capacity sizing with safety headroom margins

Soru 2217Soru →

An IT administrator is reviewing automation scripts used for workstation maintenance and system audits. The administrator needs to verify syntax rules, variable handling, and execution environments across different scripting languages. Which of the following statements correctly describe basic scripting constructs and language properties? (Select TWO.)

Geçerli olan tümünü seçin

Python (.py) dynamically assigns data types such as integers and strings without requiring explicit variable type declarations.

Windows PowerShell (.ps1) accesses system environment variables using the $env: provider prefix followed by the variable name.

Windows Batch (.bat) scripts encapsulate environment variable names using dollar signs (

VAR

) when referencing system values.

VBScript (.vbs) files execute natively inside the standard Linux Bash shell without needing additional runtime engines.

Cevabı ve açıklamayı göster

Cevap: Python (.py) dynamically assigns data types such as integers and strings without requiring explicit variable type declarations.; Windows PowerShell (.ps1) accesses system environment variables using the $env: provider prefix followed by the variable name.

Cevap

The correct statements are that Python (.py) dynamically assigns data types without requiring explicit type declarations, and Windows PowerShell (.ps1) accesses environment variables using the $env: prefix.

Python uses dynamic typing to assign variable types automatically during assignment without explicit declaration. Windows PowerShell accesses environment variables through the $env: prefix syntax, making both of these statements correct.

Adım Adım Çözüm

Analyze Python variable handling constructs.

Python automatically infers types like string or integer upon variable assignment, confirming dynamic typing.

Scripting languages like Python do not require explicit type definition syntax.

Analyze PowerShell environment variable syntax.

PowerShell references environment variables through the $env: namespace provider.

This differentiates PowerShell variable scopes from local script variables.

Evaluate distractor syntax rules for Batch and VBScript environments.

Batch uses %VAR% syntax rather than

VAR

, and VBScript requires Windows Scripting engines rather than running natively in Linux Bash.

Correctly identifying syntax boundaries prevents script execution failures across environments.

Anahtar Kavram

Basic Scripting Languages and Constructs

Soru 2218Soru →

A user installs a Type 2 hypervisor on a newly assembled PC to run a 64-bit guest operating system. When attempting to power on the virtual machine, the hypervisor displays an error stating that hardware-assisted virtualization is disabled. Which of the following settings should be enabled in the host motherboard's BIOS/UEFI firmware to resolve this issue?

Intel VT-x or AMD-V hardware extensions

Hyperthreading (SMT) processor controls

Virtual memory paging file capacity

Host operating system Device Guard policy

Cevabı ve açıklamayı göster

Cevap: Intel VT-x or AMD-V hardware extensions

Cevap

Enabling Intel VT-x or AMD-V hardware extensions in the host motherboard BIOS/UEFI firmware resolves the issue.

Enabling Intel VT-x or AMD-V hardware extensions in the motherboard BIOS/UEFI provides the necessary hardware-assisted virtualization capabilities required by the hypervisor to run guest virtual machines.

Adım Adım Çözüm

Identify the root cause of the hypervisor error message

The CPU hardware virtualization extensions are currently disabled in firmware settings.

64-bit guest operating systems require hardware-assisted virtualization features from the physical CPU to function properly under hypervisors.

Select the appropriate firmware feature to enable hardware support

Enable Intel VT-x (for Intel processors) or AMD-V (for AMD processors) in the BIOS/UEFI configuration menu.

Enabling these specific hardware extensions permits the hypervisor to manage virtual machine executions natively.

Anahtar Kavram

CPU Hardware-Assisted Virtualization Support (Intel VT-x / AMD-V)

Tahmini Süre:45s

Soru 2219Soru →

A systems engineer has successfully validated a critical database hotfix for an enterprise Electronic Health Record (EHR) system within a sandbox staging environment. Before the patch can be deployed into the live production environment, the engineer must formally initiate the organization's change management workflow. Which of the following procedures must the engineer complete BEFORE submitting the change proposal to the Change Advisory Board (CAB)?

Document the scope of change, perform a risk analysis, and author a detailed rollback plan.

Deploy the hotfix during an unannounced maintenance window and perform post-implementation testing.

Broadcast a critical service outage notification to all enterprise end users announcing immediate system downtime.

Execute the database hotfix on the primary production node while keeping the secondary node as an unpatched fallback.

Cevabı ve açıklamayı göster

Cevap: Document the scope of change, perform a risk analysis, and author a detailed rollback plan.

Cevap

Document the scope of change, perform a risk analysis, and author a detailed rollback plan.

In standard ITIL and CompTIA change management workflows, creating a formal change request requires documenting the purpose and scope of the change, conducting a risk assessment, drafting a step-by-step implementation plan, and detailing a rollback (backout) plan prior to seeking Change Advisory Board (CAB) approval.

Adım Adım Çözüm

Identify the initial phase of the ITIL/CompTIA change management process.

Recognize that change preparation requires defining the exact scope, business risk, and backout steps.

The Change Advisory Board (CAB) requires a complete change proposal package to evaluate risk versus reward before granting deployment approval.

Evaluate the mandatory documentation required before CAB submission.

Formulate risk analysis, scope definition, and rollback instructions.

Without a documented rollback plan and risk assessment, the CAB cannot evaluate the impact or safety of the proposed modification.

Anahtar Kavram

Change Management Request Preparation Phase

Soru 2220Soru →

An IT technician is configuring a dual-monitor workstation using a laptop equipped with a single USB Type-C port that supports DisplayPort Alternate Mode (DP Alt Mode), but lacks Thunderbolt certification. The technician intends to connect two 1080p external displays by daisy-chaining them using DisplayPort Multi-Stream Transport (MST). Which of the following requirements or features are necessary to successfully support this configuration? (Select TWO.)

Geçerli olan tümünü seçin

The primary monitor in the chain must feature a DisplayPort Output (DP-Out) port that supports Multi-Stream Transport.

The USB Type-C cable connecting the laptop to the primary display must explicitly support DisplayPort Alternate Mode video transmission.

An active Thunderbolt 4 host controller must be present on both monitors to negotiate multi-stream video routing over USB Type-C.

A single-link DVI-D cable must connect the primary and secondary monitors to transmit the required analog timing signals.

Cevabı ve açıklamayı göster

Cevap: The primary monitor in the chain must feature a DisplayPort Output (DP-Out) port that supports Multi-Stream Transport.; The USB Type-C cable connecting the laptop to the primary display must explicitly support DisplayPort Alternate Mode video transmission.

Cevap

The setup requires a USB Type-C connection supporting DisplayPort Alternate Mode from the laptop, and a primary monitor equipped with a DisplayPort Output (DP-Out) port that supports Multi-Stream Transport (MST).

DisplayPort Multi-Stream Transport (MST) enables daisy-chaining multiple monitors over a single video output. For this setup to function from a non-Thunderbolt USB-C laptop port, the host cable and port must support DisplayPort Alternate Mode to output the initial video data, and the first monitor must have an integrated DisplayPort Output (DP-Out) port supporting MST to pass the second display stream down the chain.

Adım Adım Çözüm

Identify host-to-display video requirements

Since the laptop uses a USB Type-C port without Thunderbolt, the connection must rely on DisplayPort Alternate Mode (DP Alt Mode) to carry video signals.

USB-C ports require DP Alt Mode support in both the port and the cable to output native DisplayPort video streams.

Identify daisy-chaining display hardware requirements

The primary display must receive the combined MST stream and route the secondary display stream out through a dedicated DisplayPort Output (DP-Out) port.

DisplayPort Multi-Stream Transport allows routing multiple distinct display signals down a single cable path, but requires DP-Out hardware on intermediary monitors.

Anahtar Kavram

DisplayPort Multi-Stream Transport (MST) and USB-C DisplayPort Alternate Mode

ÖncekiSayfa 111 / 178Sonraki

Tüm alıştırma soruları

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram

Sık Yapılan Hatalar

Cevap

Adım Adım Çözüm

Anahtar Kavram