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Tüm alıştırma soruları

3551 soru

Tüm türler3,551Çoktan seçmeli1,809Çoklu seçim786Sayısal12Eşleştirme521Sıralama423
Soru 2381Soru →

Four regional electric power utilities establish a shared cloud environment to store, analyze, and exchange real-time cyber threat intelligence. The infrastructure is exclusively shared among these specific organizations, customized to meet strict energy sector regulatory compliance standards, and managed jointly by the participating entities. Which of the following cloud deployment models BEST describes this environment?

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Cevap: Community cloud

Cevap

Community cloud
A community cloud model is provisioned for exclusive use by a specific community of consumers from organizations that have shared concerns (such as mission, security requirements, policy, and compliance considerations). In this scenario, the electric utilities form a multi-organization group sharing specialized threat intelligence under identical regulatory requirements.

Adım Adım Çözüm

1
Analyze the access scope and organizational relationship described in the scenario.
The infrastructure is restricted to a specific group of entities (four electric power utilities) with common industry concerns and compliance requirements.
Determining who holds access permissions and shares infrastructure management dictates the cloud deployment model.
2
Evaluate the cloud deployment model options against the identified organizational boundaries.
Infrastructure shared exclusively among a specific group of organizations with shared security and operational objectives defines a Community cloud.
Private cloud serves one organization, public cloud serves the general public/commercial market, and community cloud serves a multi-organizational affinity group.

Anahtar Kavram

Cloud Deployment Models - Community Cloud
Soru 2382Soru →

A technician is troubleshooting a workstation where a web browser repeatedly opens unwanted advertisement tabs and redirects search requests to an unfamiliar site. Clearing the browser cache and temporary internet files did not resolve the problem. Which of the following actions should the technician take NEXT to remediate the browser security issue? (Select TWO.)

Geçerli olan tümünü seçin

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Cevap: Inspect the web browser for unapproved or malicious extensions and remove them.; Check and reset the network proxy settings in the operating system to disable unauthorized proxies.

Cevap

The technician should inspect the browser for unapproved extensions to remove them and check the operating system's network proxy settings to clear unauthorized proxies.
Removing malicious browser extensions directly removes rogue code modifying search and tab settings. Clearing unauthorized system proxy settings prevents web traffic from being rerouted through rogue servers.

Adım Adım Çözüm

1
Audit browser add-ons and extensions
Identifies and removes rogue extensions driving unauthorized search engine redirects.
Rogue browser extensions are a primary vector for browser hijacking.
2
Inspect network proxy configurations
Restores legitimate direct connection or authorized corporate proxy settings.
Malware frequently alters proxy settings to reroute browser traffic through malicious servers.

Anahtar Kavram

Browser Security and Hijacker Remediation
Soru 2383Soru →

An IT security analyst is tasked with implementing a workstation hardening baseline for desktop computers deployed in a sensitive healthcare records office. The hardening policy must specifically address three vulnerability vectors: preventing unauthorized access when staff step away briefly, preventing automated malware installation from attached flash drives, and reducing the local account attack surface. Which of the following configuration sets should the administrator apply to satisfy all three requirements?

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Cevap: Enforce a screen lock timeout with password required on resume, disable AutoPlay and AutoRun features via Group Policy, and disable the built-in Guest account while disabling or renaming the default Administrator account.

Cevap

Enforce a screen lock timeout with password required on resume, disable AutoPlay and AutoRun features via Group Policy, and disable the built-in Guest account while disabling or renaming the default Administrator account.
The correct option addresses all three security requirements specified in the scenario: enforcing screen lock with password authentication protects unattended sessions, disabling AutoPlay/AutoRun eliminates automated execution vectors from removable drives, and disabling Guest/securing default Administrator accounts hardens local user account baselines.

Adım Adım Çözüm

1
Identify requirement 1: Protecting unattended workstations when staff step away.
Enforcing a screen lock timeout that requires authentication on resume prevents unauthorized users from accessing an active session.
Screen locks enforce session security during temporary absences.
2
Identify requirement 2: Preventing automated malware execution from USB flash drives.
Disabling AutoPlay and AutoRun via Group Policy stops Windows from automatically running scripts or executables when external media is inserted.
AutoRun/AutoPlay disallowance eliminates an automated execution vector.
3
Identify requirement 3: Reducing local account attack surface.
Disabling the Guest account and securing (renaming or disabling) the default Administrator account mitigates account targeting and unauthorized local logon attempts.
Default accounts are well-known targets for brute-force attacks and privilege escalation.

Anahtar Kavram

Workstation Hardening Baselines and Attack Surface Reduction
Soru 2384Soru →

An IT technician is installing a manufacturer-provided preventive maintenance kit on a high-volume office electrophotographic (EP) laser printer. Which TWO of the following components are standard parts of this maintenance kit replacement process?

Geçerli olan tümünü seçin

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Cevap: Fuser assembly; Paper pickup and separation rollers

Cevap

The fuser assembly and the paper pickup and separation rollers are standard components included in laser printer preventive maintenance kits.
Standard laser printer maintenance kits consist of components exposed to constant physical wear and heat cycles. The fuser assembly (which uses heat and pressure to permanently bond toner to paper) and the paper pickup and separation rollers (which experience rubber degradation and traction loss) are standard items intended for scheduled replacement.

Adım Adım Çözüm

1
Identify high-wear consumable components in electrophotographic (EP) laser printers.
Components subjected to physical friction (paper pickup/separation rollers) and high thermal/mechanical stress (fuser assembly) degrade predictably over time.
Preventive maintenance kits target components that regularly wear out from friction and heat to avoid unexpected failures.
2
Distinguish between routine consumable kit components and permanent internal hardware.
The fuser assembly and rubber rollers are intended for periodic user or technician replacement, whereas internal electronics (HVPS) and optical optics (laser scanner module) are non-consumable structural parts.
Non-consumable structural assemblies are only serviced or replaced upon specific diagnostic failure, not during routine preventive maintenance cycles.

Anahtar Kavram

Laser printer preventive maintenance kit components
Soru 2385Soru →

A system administrator is organizing administrative scripts used across various operating systems in the enterprise. Match each script file extension on the left with its corresponding native execution environment or interpreter on the right.

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Öğeler

.ps1
.sh
.vbs
.bat

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

.ps1 matches Windows PowerShell; .sh matches Linux / Unix Shell (Bash); .vbs matches Windows Script Host (VBScript); .bat matches Windows Command Prompt (cmd.exe).
Each script extension maps directly to its operating system runtime environment: .ps1 runs in Windows PowerShell, .sh runs in Unix/Linux shell interpreters such as Bash, .vbs runs via Windows Script Host, and .bat runs natively inside the Windows Command Prompt.

Adım Adım Çözüm

1
Identify the .ps1 script extension
Associates with Windows PowerShell
PowerShell scripts use the .ps1 extension for task automation and configuration management in Windows environments.
2
Identify the .sh script extension
Associates with Linux / Unix Shell (Bash)
Shell scripts executed in Unix-like environments customarily use the .sh file extension.
3
Identify the .vbs script extension
Associates with Windows Script Host (VBScript)
VBScript files end in .vbs and run within the Windows Script Host environment using CScript or WScript.
4
Identify the .bat script extension
Associates with Windows Command Prompt (cmd.exe)
Batch files use the .bat extension and execute commands sequentially inside the traditional Windows Command Prompt.

Anahtar Kavram

Basic Scripting Languages and File Extensions
Soru 2386Soru →

A helpdesk supervisor is creating a training module to help new IT support technicians identify various security threats reported by corporate employees. Match each security threat on the left with its corresponding real-world incident description on the right.

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Öğeler

Keylogger
Drive-by Download
Pretexting
Rootkit

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Keylogger matches the description of capturing keystrokes covertly; Drive-by Download matches the automatic execution of malware upon visiting a compromised website; Pretexting matches fabricating a scenario to trick an employee into granting access; Rootkit matches deeply embedded malware hiding administrative access from security detection tools.
Each threat type is correctly matched to its distinct operation signature: Keyloggers record typed input, Drive-by Downloads exploit web sessions automatically without user prompts, Pretexting uses fabricated stories to manipulate staff, and Rootkits subvert system controls to mask administrative intrusion.

Adım Adım Çözüm

1
Analyze Keylogger characteristics
Identified as hardware or software designed specifically to log typed characters.
Matches the description regarding covert capture of keystrokes to steal credentials.
2
Analyze Drive-by Download characteristics
Identified as silent installation of malicious code via web browsing without explicit user initiation.
Matches the description of downloading malware automatically upon visiting a compromised web page.
3
Analyze Pretexting characteristics
Identified as social engineering using a fabricated narrative or identity.
Matches the description of inventing a scenario over the phone to trick an employee.
4
Analyze Rootkit characteristics
Identified as low-level system malware that conceals its presence while retaining root control.
Matches the description of deeply embedded malware hiding privileged access from antimalware tools.

Anahtar Kavram

Identifying social engineering vectors and technical threat classifications by their mechanisms of operation and delivery.
Tahmini Süre:1m 30s
Soru 2387Soru →

A corporate user on a Windows 10 Pro workstation recently updated their domain account password. However, when accessing a legacy internal web application through a browser, the application continuously attempts to log in using an outdated saved password, causing temporary domain account lockouts. Which Control Panel applet should a technician access on the workstation to modify or remove these stored application credentials?

Cevabı ve açıklamayı göster

Cevap: Credential Manager

Cevap

Credential Manager
Credential Manager stores saved credentials for web applications (under Web Credentials) and network shares or mapped drives (under Windows Credentials). Editing or deleting the entry with the old password prevents automated lockout triggers when launching the application.

Adım Adım Çözüm

1
Identify where Windows stores cached web portal and network location passwords.
Recognize that Windows uses Credential Manager to maintain saved Web Credentials and Windows Credentials.
When a domain password changes, cached web credentials stored locally can cause authentication failures if not updated.
2
Navigate to the appropriate applet in Control Panel.
Open Credential Manager and select Web Credentials.
This displays the specific saved website entry so it can be edited or removed.

Anahtar Kavram

Managing stored web and network authentication credentials using Credential Manager
Tahmini Süre:1m 0s
Soru 2388Soru →

An IT technician configures a line-of-business desktop application on a shared Windows 11 workstation. The application runs without issues for local administrators, but standard users encounter file access errors whenever the software attempts to write temporary cache files to its default directory at C:\Program Files\CorporateApp\Data. Which of the following actions should the technician take to resolve the issue while adhering to the principle of least privilege?

Cevabı ve açıklamayı göster

Cevap: Grant standard users Modify permissions specifically on the C:\Program Files\CorporateApp\Data subfolder.

Cevap

Grant standard users Modify permissions specifically on the C:\Program Files\CorporateApp\Data subfolder.
Adjusting NTFS permissions on only the specific subfolder where write access is required allows standard users to run the application correctly without compromising security across the rest of the Program Files directory structure.

Adım Adım Çözüm

1
Identify the file path access restriction.
Standard users only possess Read & execute permissions in C:\Program Files subfolders by default.
Windows restricts standard user write operations in system directories to protect binary files and system security.
2
Apply targeted permission adjustments.
Grant Modify permissions to standard users exclusively on the Data subfolder.
This targeted change enables necessary application file writes without granting full permissions across protected program directories.

Anahtar Kavram

NTFS Application File Permissions and Least Privilege
Tahmini Süre:1m 15s
Soru 2389Soru →

An IT support technician is upgrading system components across several desktop computers in an office environment. While waiting for chassis covers to be removed, the technician needs to temporarily set aside several unshielded PCIe network interface cards. Which of the following is the safest procedure to prevent electrostatic discharge (ESD) damage to the components?

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Cevap: Place the components onto a grounded anti-static mat while handling them by their metal mounting brackets.

Cevap

Place the components onto a grounded anti-static mat while handling them by their non-conductive edges or metal mounting brackets.
Grounded anti-static mats continuously drain electrostatic charges to ground, ensuring zero potential difference between the workspace and hardware. Handling circuit boards by their metal brackets or structural edges prevents direct discharge into sensitive integrated circuits.

Adım Adım Çözüm

1
Identify potential ESD risks when handling unshielded expansion cards.
Recognize that sensitive semiconductor chips can be damaged by low-voltage electrostatic discharges.
Preventing ESD requires maintaining equipotential grounding between the technician, workspace, and components.
2
Select a safe temporary resting surface.
Choose a grounded anti-static workbench mat.
Antistatic mats safely bleed off static charges to ground, whereas non-grounded surfaces, rubber insulators, synthetic cloths, or the conductive exteriors of static bags can hold or transfer static electrical charges.
3
Determine proper physical handling points for circuit boards.
Grasp expansion cards strictly by non-conductive PCB edges or metal expansion slot brackets.
Avoid touching gold contact pins or exposed trace circuits to prevent static discharge into sensitive controllers.

Anahtar Kavram

Electrostatic Discharge (ESD) Safety Precautions
Tahmini Süre:1m 0s
Soru 2390Soru →

A Windows desktop fails to start following a power failure, displaying the error message 'BOOTMGR is missing. Press Ctrl+Alt+Del to restart.' A technician boots the system into the Windows Recovery Environment (WinRE) Command Prompt to repair the boot sector. Which command should the technician run to write a new Master Boot Record (MBR) to the system partition?

Cevabı ve açıklamayı göster

Cevap: bootrec /fixmbr

Cevap

The command bootrec /fixmbr writes a new Master Boot Record to the system partition.
The bootrec /fixmbr command directly writes a Windows-compatible Master Boot Record (MBR) to the system partition. This resolves initial bootloader failures such as 'BOOTMGR is missing' caused by MBR corruption.

Adım Adım Çözüm

1
Identify the boot error symptom
The message 'BOOTMGR is missing' indicates that the Master Boot Record or boot sector code responsible for locating the boot manager is missing or corrupted.
Understanding the failure point isolates the issue to initial MBR/boot sector loading rather than Windows kernel startup.
2
Select the appropriate recovery tool and flag
Using bootrec with the /fixmbr parameter writes a standard, compatible MBR to the drive's master boot sector without altering existing partition tables.
This repairs the corrupt bootloader code allowing BOOTMGR to load properly.

Anahtar Kavram

Repairing MBR Startup Files with bootrec
Tahmini Süre:45s
Soru 2391Soru →

A systems administrator is reviewing IT security controls and compliance directives across various enterprise operational units. Match each compliance regulation or framework to the technical mandate or data handling restriction it strictly enforces.

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Öğeler

PCI-DSS
GDPR
HIPAA
FERPA

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

PCI-DSS matches with prohibiting storage of full primary account numbers post-authorization; GDPR matches with granting individuals the right to request permanent deletion of their personal data; HIPAA matches with mandating technical and physical safeguards for protected health information; FERPA matches with restricting non-consensual disclosure of student educational records.
Each framework targets a specific data classification: PCI-DSS for payment card data, GDPR for EU consumer PII and data rights, HIPAA for patient PHI, and FERPA for student educational records.

Adım Adım Çözüm

1
Identify payment card processing regulations.
PCI-DSS governs credit card handling and restricts storing cardholder data and authentication details.
Ensures financial transaction security.
2
Identify European privacy regulations.
GDPR defines data privacy rights for EU citizens, including the right to erasure.
Ensures personal data control and subject sovereignty.
3
Identify healthcare compliance regulations.
HIPAA governs protected health information (PHI).
Secures medical data confidentiality.
4
Identify academic data regulations.
FERPA protects student educational transcripts and records.
Prevents unauthorized release of student records.

Anahtar Kavram

Data Privacy Frameworks and Compliance Scopes
Soru 2392Soru →

A enterprise storage administrator is preparing a change request to expand a Storage Area Network (SAN) LUN hosting critical virtual machine disk files for an e-commerce platform. The administrator has defined the project scope, completed a comprehensive risk assessment, and scheduled the maintenance window. Which of the following components must be included in the change request before submitting it to the Change Advisory Board (CAB) for approval?

Cevabı ve açıklamayı göster

Cevap: A documented rollback plan detailing steps to restore original storage configurations if the expansion fails

Cevap

A documented rollback plan detailing steps to restore original storage configurations if the expansion fails
In official ITIL and CompTIA change management frameworks, a formal change request submitted for Change Advisory Board (CAB) review must include the purpose and scope of the change, a risk assessment, a scheduled maintenance window, end-user notification plans, and a documented rollback (backout) plan. The rollback plan specifies exact procedures to revert the infrastructure to its previous operational state if the change fails or causes service instability.

Adım Adım Çözüm

1
Analyze the change management lifecycle phase presented in the scenario.
The administrator has completed scope definition, risk analysis, and scheduling, but has not yet submitted the request to the CAB.
Before submission to the CAB, all mandatory planning components of the change request must be documented.
2
Identify missing pre-implementation documentation elements required by formal change management procedures.
A rollback plan (backout plan) is required alongside purpose/scope, risk analysis, end-user notification, and scheduling.
CAB approval relies on knowing how the team will revert changes safely if an unexpected disruption occurs during execution.

Anahtar Kavram

Change Management Documentation and Rollback Planning
Soru 2393Soru →

A financial technology company deploys a cloud-hosted payment gateway. The architecture is designed to automatically expand compute capacity during sudden high-volume trading surges without administrator intervention, while simultaneously dynamically distributing underlying physical CPU and storage hardware among multiple isolated tenant environments. Which of the following cloud characteristics directly describe these capabilities? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Rapid elasticity; Resource pooling

Cevap

Rapid elasticity and Resource pooling
Rapid elasticity allows system infrastructure to automatically provision and scale compute resources dynamically during workload spikes without human interaction. Resource pooling allows the cloud service provider to group physical host hardware into a shared pool, dynamically assigning compute and storage resources to isolate multiple tenants across shared physical infrastructure.

Adım Adım Çözüm

1
Analyze the operational requirement for automatic scaling during surges
Identify that automatic, real-time allocation of compute resources to match demand spikes describes rapid elasticity.
Rapid elasticity allows systems to seamlessly expand or shrink resources automatically in response to varying workloads.
2
Analyze the requirement for dynamic distribution of physical hardware across tenants
Identify that serving multiple tenants using a shared physical hardware infrastructure describes resource pooling.
Resource pooling allows cloud providers to aggregate physical resources to serve multiple consumers using a multi-tenant model.

Anahtar Kavram

Essential Cloud Characteristics (Rapid Elasticity and Resource Pooling)
Soru 2394Soru →

A technician is installing a high-speed network expansion card that requires a PCIe x4 interface into a desktop workstation. The motherboard features one primary physical PCIe x16 slot (occupied by a graphics card), two physical PCIe x1 slots, and a secondary physical PCIe x16 slot that is electrically wired for PCIe x4 operation. Which slot should the technician select to successfully install and operate the expansion card at its full rated speed?

Cevabı ve açıklamayı göster

Cevap: The secondary physical PCIe x16 slot that is electrically wired for x4 operation

Cevap

The secondary physical PCIe x16 slot that is electrically wired for x4 operation
PCIe architecture allows smaller lane width cards to be installed into larger physical slots (known as up-plugging). Installing the PCIe x4 card into the secondary physical PCIe x16 slot electrically wired for x4 ensures both physical fit and maximum performance at x4 speed.

Adım Adım Çözüm

1
Identify the physical and electrical expansion slot requirements of the card.
The network interface card requires a physical slot of x4 size or larger and x4 electrical bandwidth.
PCIe expansion cards require both physical clearance and sufficient data lanes to operate without throughput degradation.
2
Evaluate the available motherboard expansion slots.
The primary PCIe x16 slot is occupied by the GPU, the PCIe x1 slots are too small/slow for full x4 operation, and the secondary physical PCIe x16 slot is wired electrically for x4.
PCIe cards are backward compatible with larger physical slots (up-plugging), allowing a x4 card to seat cleanly into a physical x16 slot.
3
Select the slot that provides full compatibility and bandwidth.
Installing the card into the secondary physical PCIe x16 slot (wired for x4) provides physical fit and full x4 performance.
The electrical wiring matches the maximum throughput supported by the expansion card.

Anahtar Kavram

PCIe Slot Physical vs. Electrical Compatibility (Up-plugging)
Tahmini Süre:1m 0s
Soru 2395Soru →

During a routine physical inspection of a desktop computer that has been experiencing unexpected shutdowns, a technician notices that several cylindrical components on the circuit board near the CPU socket have raised, bulging tops and dried brownish residue. Which component needs to be replaced to resolve this issue?

Cevabı ve açıklamayı göster

Cevap: The motherboard

Cevap

The motherboard must be replaced due to physical failure of distended capacitors.
Bulging tops and dried fluid leakage on motherboard capacitors (distended capacitors) indicate severe physical hardware failure. Damaged capacitors cannot properly filter voltage, causing unexpected reboots and system failure. Replacing the motherboard is the standard solution.

Adım Adım Çözüm

1
Identify the physical symptom described on the circuit board.
Recognize that cylindrical components with bulging tops and residue are distended (blown) capacitors.
Capacitors regulate voltage on the motherboard; when they overheat or age, internal pressure causes them to swell and leak fluid.
2
Determine the required corrective action.
Conclude that replacing the motherboard is necessary.
Failed capacitors prevent stable power delivery to components, causing system instability and requiring motherboard replacement in standard service procedures.

Anahtar Kavram

Identifying physical motherboard failures caused by distended or leaking capacitors
Soru 2396Soru →

A desktop support technician needs to prevent standard domain users on a standalone Windows 11 Pro computer from requesting administrator privileges when running system tasks. The organization policy requires automatically denying elevation requests for standard users. Place the administrative steps in the correct sequential order to enforce this policy using Local Security Policy.

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct operational order is: 1) Open the Run dialog and launch secpol.msc, 2) Navigate to Local Policies > Security Options, 3) Open the policy 'User Account Control: Behavior of the elevation prompt for standard users', and 4) Select 'Automatically deny elevation requests' and save.
To restrict standard users from attempting administrative elevation, the technician must open Local Security Policy via secpol.msc, expand Local Policies > Security Options, open 'User Account Control: Behavior of the elevation prompt for standard users', and change the setting to 'Automatically deny elevation requests'.

Adım Adım Çözüm

1
Launch the Local Security Policy console
The secpol.msc console interface opens.
Administrative security policies such as granular UAC prompt behaviors are managed in Local Security Policy.
2
Navigate the policy tree to Security Options
The Security Options folder displays security policy items in the right pane.
UAC behavior settings are categorized specifically under Local Policies > Security Options.
3
Select the policy for standard user elevation behavior
The properties dialog box for standard user prompt behavior opens.
This policy controls whether standard users receive a credential prompt or an automatic denial.
4
Configure the policy to Automatically deny elevation requests
The policy update takes effect on the local machine.
Choosing automatic denial enforces restriction without displaying credential prompts to unauthorized users.

Anahtar Kavram

Configuring UAC Standard User Elevation Prompt Behavior in Local Security Policy
Tahmini Süre:1m 30s
Soru 2397Soru →

An IT technician is organizing a workstation deployment project and must categorize various display cables and interface specifications based on their physical characteristics and capabilities. Match each display cable connector type on the left with its corresponding technical capability or physical design feature on the right.

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Öğeler

DB-15 (VGA)
DVI-D Dual-Link
DisplayPort
USB-C with Alt Mode

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

DB-15 (VGA) matches the legacy 15-pin analog RGB connector; DVI-D Dual-Link matches the 24-pin digital-only interface up to 2560x1600; DisplayPort matches the 20-pin latched connector supporting MST daisy-chaining; USB-C with Alt Mode matches the reversible compact interface providing video, data, and power over one cable.
Each display connection standard is accurately paired with its distinct physical interface, pin layout, and signal delivery mechanism standard to the CompTIA A+ Core 1 objectives.

Adım Adım Çözüm

1
Identify the signal type and pin layout for DB-15 (VGA)
DB-15 is recognized as a 15-pin connector in three rows carrying purely analog signals.
VGA is an older analog display standard using the DB-15 physical shell.
2
Differentiate DVI variants by signal and bandwidth capabilities
DVI-D indicates digital-only signals, and Dual-Link adds extra digital pins allowing high resolution (2560×16002560\times 1600).
DVI-D omits the analog pins around the flat blade while Dual-Link doubles the digital transmission bandwidth.
3
Analyze DisplayPort connector design and protocol features
DisplayPort features a 20-pin connector, physical latches for retention, and MST for multi-monitor daisy-chaining.
VESA DisplayPort specifications mandate packetized video data transmission enabling MST and secure latching mechanisms.
4
Evaluate USB Type-C Alternate Mode functionality
USB-C with Alt Mode leverages reversible pins to carry native video signals (such as DisplayPort) alongside USB host data and charging power.
Alternate Mode allows non-USB protocols to transmit over physical USB-C pins.

Anahtar Kavram

Identifying physical form factors, pin configurations, signal types (analog vs digital), and advanced protocol features (MST, Alt Mode) across display interfaces.
Soru 2398Soru →

A systems administrator is upgrading a corporate wireless network to enhance security for enterprise workstations connecting to internal domain resources. The administrator needs to ensure individual user authentication, centralized credential management, and protection against legacy wireless vulnerabilities. Which of the following security configurations should the administrator implement? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Deploy WPA3-Enterprise mode using 802.1X authentication backed by a RADIUS server; Disable TKIP support and mandate AES-based CCMP or GCMP encryption algorithms across all access points

Cevap

The administrator should deploy WPA3-Enterprise using 802.1X authentication with a RADIUS server and disable legacy TKIP encryption in favor of AES-based CCMP/GCMP algorithms.
Deploying WPA3-Enterprise with 802.1X authentication connects wireless clients to a centralized RADIUS server, granting unique per-session encryption keys for every user. Additionally, disabling legacy TKIP and enforcing AES-based CCMP or GCMP ciphers ensures the wireless traffic is protected by modern, uncompromised encryption standards.

Adım Adım Çözüm

1
Identify authentication requirements
Individual user authentication and centralized access management require 802.1X RADIUS authentication rather than shared pre-shared keys.
Enterprise security policies demand unique per-user encryption keys and credential validation against directory services.
2
Evaluate encryption standards
Select AES-based algorithms (CCMP/GCMP) under WPA2/WPA3 and eliminate legacy protocols like TKIP and WEP.
TKIP has deprecated security flaws; modern wireless networks must enforce robust AES cipher suites.

Anahtar Kavram

Enterprise Wireless Security (802.1X/RADIUS) and Encryption Protocols
Tahmini Süre:1m 30s
Soru 2399Soru →

A desktop technician needs to update the local host name resolution file (`hosts`) on a Windows workstation to redirect a legacy internal domain. The existing `hosts` file in `C:\Windows\System32\drivers\etc` is marked as read-only and hidden. Order the steps from first to last that the technician should perform to complete this modification securely.

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The technician must first open Command Prompt with administrative privileges, execute `attrib -r -h hosts` to clear the file attributes, save the edits to the `hosts` file, and finally run `attrib +r +h hosts` to re-secure the file.
To modify system files located in system directories, administrator privileges must be used first. System files like the local `hosts` file frequently have read-only (`r`) and hidden (`h`) attributes set. Using `attrib -r -h` removes these flags so edits can be saved. After editing, re-applying the flags with `attrib +r +h` maintains workstation security and system integrity.

Adım Adım Çözüm

1
Elevate permissions
Command Prompt runs under administrator context
Modifying files inside `C:\Windows\System32\drivers\etc` requires local administrative rights.
2
Remove file attributes using `attrib -r -h hosts`
The file is no longer read-only or hidden
The `-r` parameter removes the read-only lock and `-h` unhides the file, permitting modification.
3
Update the host mappings
The target domain mapping is written and saved to disk
Editing can only succeed after write restrictions are stripped from the target file.
4
Re-apply file attributes using `attrib +r +h hosts`
The read-only and hidden attributes are restored
The `+` operator enforces system file protection best practices after editing is completed.

Anahtar Kavram

Managing file attributes using the Windows `attrib` command-line tool
Tahmini Süre:1m 30s
Soru 2400Soru →

A helpdesk ticket indicates that a macOS workstation's web browser consistently redirects omnibox search queries to an unfamiliar advertising domain. Command-line network diagnostics show that standard DNS queries resolve normally, and the system hosts file contains only default entries. Which of the following actions should the technician take NEXT to resolve the redirection issue?

Cevabı ve açıklamayı göster

Cevap: Inspect installed browser extensions and reset the search engine configuration.

Cevap

Inspect installed browser extensions and reset the search engine configuration.
When network diagnostics confirm that DNS resolution and the hosts file are uncompromised, search query redirection within a browser is typically caused by a rogue browser extension or altered browser search engine preferences. Auditing extensions and resetting search settings directly eliminates the browser hijacker.

Adım Adım Çözüm

1
Analyze diagnostic findings
System-level DNS and hosts files are verified to be normal, indicating the redirection is localized to the web browser application.
Eliminating OS-level network causes narrows the root cause down to browser settings or browser extensions.
2
Audit browser components
Identify malicious or unwanted extensions that override the default search provider or alter omnibox navigation.
Browser hijackers often install rogue extensions to modify search queries without changing OS network settings.
3
Remediate browser settings
Remove suspicious extensions and restore the default search engine configuration.
Removing the rogue extension and restoring default settings stops search redirects and secures the browser environment.

Anahtar Kavram

Browser Security and Search Hijacker Remediation
ÖncekiSayfa 120 / 178Sonraki
Tüm alıştırma soruları — CompTIA A+ (Core 1 & Core 2) | Examkin