Tüm alıştırma soruları

3551 soru

Soru 1961Soru

An IT technician is assembling a dedicated network server that requires high-reliability memory capable of detecting and correcting single-bit data errors. The system uses a standard ATX motherboard. Which RAM module type and form factor combination should the technician install?

Cevabı ve açıklamayı göster

Cevap: Unbuffered ECC DDR4 DIMM

Cevap

Unbuffered ECC DDR4 DIMM
Error-Correcting Code (ECC) RAM is specifically designed to detect and correct single-bit memory corruption in enterprise and server environments, while the standard DIMM form factor fits full-size desktop and server motherboards.

Adım Adım Çözüm

1
Identify the memory feature requirement for detecting and correcting single-bit memory errors.
Server applications require Error-Correcting Code (ECC) memory to prevent data corruption.
Standard non-ECC RAM cannot detect or correct memory bit flips.
2
Identify the physical form factor requirement for a standard motherboard.
A full-sized ATX server motherboard uses standard dual inline memory module (DIMM) slots.
SO-DIMMs are physically smaller and intended for laptops or mini-PCs.
3
Select the option that satisfies both functional (ECC) and physical (DIMM) criteria.
Unbuffered ECC DDR4 DIMM provides both ECC protection and the standard DIMM form factor.
This combination ensures physical compatibility and meets server fault-tolerance needs.

Anahtar Kavram

ECC Memory vs Non-ECC Memory and Form Factor Compatibility
Tahmini Süre:1m 0s
Soru 1962Soru

A tier 1 help desk technician is completing an incident ticket after repairing a corporate desktop that experienced a RAID controller failure. The technician replaced the failed controller, re-initialized the array, restored user data from a local backup server, and verified that system services are operating correctly. Which of the following details are mandatory items that must be documented in the final ticket resolution log prior to closing the ticket? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Specific hardware components replaced and configuration steps performed during remediation; User confirmation that system access and functionality are restored to satisfaction

Cevap

The correct documentation entries required before ticket closure are the detailed record of hardware components replaced and configuration steps performed, as well as explicit user verification that the issue has been resolved and functionality restored.
A complete incident resolution log must include technical details of the work performed (such as parts replaced and configuration settings) to maintain asset history and build the IT knowledge base. Additionally, verifying resolution directly with the user guarantees that all operational requirements have been met before closing the ticket.

Adım Adım Çözüm

1
Identify the technical documentation requirements for ticket closure.
Technicians must log detailed resolution steps, replaced part info, and configuration changes to maintain system history and enable knowledge base reuse.
Comprehensive technical logs facilitate future incident resolution and asset tracking.
2
Identify the operational verification requirement for ticket closure.
Technicians must confirm with the customer/end user that their system is performing properly.
Ticket closure requires end-user sign-off to ensure business functionality is fully restored.
3
Evaluate security and retention policies regarding wrong options.
Examine credentials and backup retention practices.
Storing passwords in ticket notes violates security policies, and deleting backups prematurely violates data retention rules.

Anahtar Kavram

Documentation and Ticketing System Resolution Workflow
Soru 1963Soru

A warehouse clerk using a company-issued Android handheld terminal reports that the inventory tracking application has become increasingly sluggish when logging barcode scans and frequently displays an 'Application Not Responding' (ANR) message. Other installed applications and wireless connectivity on the device function properly. Which of the following actions should a technician take FIRST as the least invasive troubleshooting step?

Cevabı ve açıklamayı göster

Cevap: Force stop the inventory tracking application and clear its application cache.

Cevap

Force stop the inventory tracking application and clear its application cache.
Force stopping the application and clearing its cache removes temporary state files and hung processes that cause ANR errors without erasing user data or settings. This adheres to the least-invasive-first troubleshooting principle.

Adım Adım Çözüm

1
Isolate the scope of the issue based on symptoms.
The sluggishness and ANR prompts are isolated to the inventory tracking app, while other apps and wireless services operate normally.
Determining if an issue is app-specific or system-wide dictates the correct starting tier in troubleshooting methodology.
2
Apply the least invasive troubleshooting technique for a single application.
Force stopping the application terminates hung background threads, and clearing the app cache removes bloated or corrupted temporary files without deleting user accounts or settings.
CompTIA A+ methodology requires resolving application issues using the least invasive method (Force Stop / Clear Cache) before moving to more invasive actions (Clear Data, Reinstall, or Factory Reset).

Anahtar Kavram

Least invasive mobile application troubleshooting (Force Stop / Clear Cache)
Soru 1964Soru

A database administrator is preparing to deploy a major version upgrade and schema modification to an organization's central transactional database system. To align with formal CompTIA change management processes, in which chronological order should the administrator execute the following steps?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct chronological sequence for standard change management processes is: 1) Document the purpose, business rationale, and technical scope; 2) Perform a risk assessment and construct a detailed backout plan; 3) Submit the change request to the Change Advisory Board (CAB) for formal evaluation and authorization; 4) Broadcast maintenance window notifications to impacted business stakeholders and end users; 5) Execute the database upgrade within the maintenance window and complete post-implementation testing.
The standard CompTIA change management workflow begins by defining the purpose and scope of the change. Next, potential risks are evaluated and a detailed backout plan is drafted. The completed proposal is then submitted to the Change Advisory Board (CAB) for formal review and authorization. Once CAB approval is obtained, maintenance window notifications are issued to end users and business leaders. Finally, the technician executes the upgrade during the maintenance window and performs post-implementation testing to confirm success.

Adım Adım Çözüm

1
Identify the initial scope definition step.
Documenting the purpose and scope forms the baseline requirement for any change request.
A change request cannot begin without defining what is changing and why.
2
Identify the risk and contingency planning phase.
Conducting risk analysis and drafting a backout plan follows scope definition.
Understanding potential business impacts and fallback procedures is necessary to complete the change proposal.
3
Identify the formal authorization stage.
Submitting the change request package to the Change Advisory Board (CAB) follows documentation.
CAB approval grants official approval and schedules the authorized deployment window.
4
Identify stakeholder communication timing.
Sending end-user notifications takes place after securing CAB approval.
Users should only be informed of maintenance windows once authorized by governance.
5
Identify execution and post-change validation.
Executing the upgrade and conducting post-implementation testing occurs during the approved window.
Implementation and functional verification are the concluding steps of the operational change.

Anahtar Kavram

Change Management Lifecycle Phases
Soru 1965Soru

A network technician is troubleshooting a newly deployed workstation that can communicate with local host servers on the same segment but cannot reach external internet addresses. Operating system command output for the host display the following network settings:

IPv4 Address: 10.0.10.4510.0.10.45
Subnet Mask: 255.255.255.0255.255.255.0
Default Gateway: 10.0.20.110.0.20.1
DNS Server: 10.0.10.110.0.10.1

Which of the following statements correctly identify the cause of the connectivity failure and the appropriate resolution? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: The default gateway is configured on a different IP subnet than the client workstation host.; Updating the host's default gateway address to 10.0.10.1 will allow traffic to route off the local network.

Cevap

The host is unable to reach off-subnet resources because its configured default gateway (10.0.20.1) belongs to a different IP subnet than its host address (10.0.10.45/24). Reconfiguring the default gateway to a local subnet address (10.0.10.1) resolves the routing issue.
The subnet mask 255.255.255.0 (/24) requires all hosts and gateways on the local network segment to share the first three octets (10.0.10.x). Because the default gateway is set to 10.0.20.1, the host attempts to reach a gateway on another subnet directly without a local Layer 3 boundary router, causing off-subnet packet transmission to fail. Updating the gateway to an address within 10.0.10.x (such as 10.0.10.1) restores proper routing capabilities.

Adım Adım Çözüm

1
Analyze host IP address and subnet mask.
Host IP 10.0.10.4510.0.10.45 with mask 255.255.255.0255.255.255.0 indicates local network subnet boundaries are 10.0.10.110.0.10.1 through 10.0.10.25410.0.10.254.
Determines the valid range of IP addresses for local network devices and gateways.
2
Compare default gateway address to subnet boundaries.
Default gateway 10.0.20.110.0.20.1 falls outside the host's 10.0.10.0/2410.0.10.0/24 subnet.
A host cannot send packets to a gateway that does not reside on the same local Layer 3 broadcast domain.
3
Select correct remediation steps.
Identify the misconfiguration as a subnet mismatch for the default gateway and update the gateway setting to 10.0.10.110.0.10.1.
Restores local router reachability for outbound external traffic.

Anahtar Kavram

Subnet Boundaries and Default Gateway Alignment
Tahmini Süre:1m 30s
Soru 1966Soru

A field employee working at a remote site connects a smartphone to a temporary wireless access point. Although the device shows a active Wi-Fi connection, the user cannot load internal company web applications or reach external network resources. Upon inspecting the IP settings on the smartphone, a technician observes an IP address of 169.254.112.45 with a subnet mask of 255.255.0.0. Which of the following is the most likely cause of this connectivity issue?

Cevabı ve açıklamayı göster

Cevap: The smartphone failed to contact a local DHCP server and automatically generated an APIPA address.

Cevap

The smartphone failed to contact a local DHCP server and automatically generated an APIPA address.
When an OS is set to receive IP configuration automatically via DHCP but receives no response from a DHCP server (due to server offline status, VLAN misconfiguration, or exhaustion of the IP pool), IPv4 link-local addressing (APIPA) automatically assigns an IP in the 169.254.0.1 through 169.254.255.254 range. Because an APIPA address lacks a default gateway, the mobile device cannot communicate with resources outside the immediate local network segment.

Adım Adım Çözüm

1
Analyze the IP address observed on the mobile device.
The IP address 169.254.112.45 belongs to the 169.254.0.0/16 address space.
This specific IPv4 range is reserved by IANA for Automatic Private IP Addressing (APIPA).
2
Identify the mechanism that assigns APIPA addresses.
APIPA is activated when a network client configured for DHCP cannot communicate with or receive an IP lease from an active DHCP server.
The client self-assigns a link-local address to enable communication only with other hosts on the immediate local segment.
3
Determine the root cause of the lack of network and internet access.
Because APIPA addresses are non-routable, the smartphone cannot communicate beyond the local broadcast domain or reach the internet/corporate network.
The inability to reach a DHCP server prevents the device from obtaining a valid gateway address and routable IP address.

Anahtar Kavram

APIPA Address Assignment and Mobile DHCP Troubleshooting
Soru 1967Soru

A network technician is setting up a newly deployed multifunction device (MFD) to enable Scan-to-Network Folder (SMB) for a department file server. In what sequence should the technician perform the following configuration steps?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct order of steps is: 1) Create the destination folder on the file server and assign permissions; 2) Access the MFD Embedded Web Server (EWS); 3) Configure the UNC share path and credentials in the EWS; 4) Perform a test scan from the physical MFD control panel.
Configuring Scan-to-SMB requires preparing the host environment first. The server folder, share permissions, and NTFS permissions must be established so the MFD service account has write access. Next, the technician accesses the Embedded Web Server (EWS) of the MFD to manage settings. The technician then inputs the specific UNC target path (e.g., \\server\share) and service account credentials. Finally, an operational test from the physical MFD scanner ensures end-to-end integration and verifies write access.

Adım Adım Çözüm

1
Prepare network share folder and permissions
Server directory established with SMB and NTFS write permissions
The target folder must exist on the network before the MFD can map to it.
2
Connect to MFD Embedded Web Server
Admin web page opened to the network scan profile setup screen
Administrative features like scan shortcuts are managed through the EWS.
3
Program SMB destination parameters
UNC path and account credentials saved to device configuration
The MFD needs network authentication details to pass server security checks.
4
Run end-to-end verification test
Scanned image successfully saved in target file server folder
Confirms complete functional path from physical scanning to remote network storage.

Anahtar Kavram

Scan-to-SMB Configuration Sequence
Tahmini Süre:1m 30s
Soru 1968Soru

An IT technician is managing preventive maintenance schedules across various printing technologies in an enterprise environment. Match each specific printer maintenance component or consumable procedure on the left with its corresponding primary function and associated printer technology on the right.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

Piezoelectric element nozzle alignment and head cleaning cycle
Fuser roller and transfer roller assembly replacement
Thermal transfer ribbon replacement and platen roller inspection
Impact ribbon cartridge swap and tractor feed mechanism adjustment

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Piezoelectric element nozzle alignment matches Inkjet Printing; Fuser roller and transfer roller assembly replacement matches Laser Printing; Thermal transfer ribbon replacement and platen roller inspection matches Thermal Printing; Impact ribbon cartridge swap and tractor feed mechanism adjustment matches Impact Printing.
Each maintenance task aligns with the unique mechanical and chemical operation of its respective printer technology: inkjet uses piezoelectric fluid clearing, laser uses fuser heat and electrophotographic transfer rollers, thermal transfer uses wax/resin ribbons with platen rollers, and impact printing uses tractor-fed paper with fabric ink cartridges.

Adım Adım Çözüm

1
Analyze the first item: Piezoelectric nozzle cleaning.
Identified Inkjet technology due to fluid ink channels and piezoelectric crystal actuators.
Piezoelectric crystals vibrate to eject fluid ink droplets without thermal heating.
2
Analyze the second item: Fuser and transfer roller replacement.
Identified Laser (EP) printing technology.
Electrophotographic laser printing requires a fuser assembly to melt toner into paper fibers and a transfer roller to move toner from the drum to the paper.
3
Analyze the third item: Thermal transfer ribbon and platen roller.
Identified Thermal printing technology.
Thermal transfer uses heated printheads to melt wax/resin ribbon material onto media pulled by a platen roller.
4
Analyze the fourth item: Impact ribbon and tractor feed.
Identified Impact (dot-matrix) printing technology.
Impact printers use pins to strike ink ribbons against continuous tractor-fed multi-part paper forms.

Anahtar Kavram

Printer Technologies and Consumables Maintenance
Soru 1969Soru

A desktop technician is troubleshooting a network connectivity issue on a user's workstation. The client computer can successfully ping external IP addresses (such as 8.8.8.8), but web browsers fail to load websites when navigating to URL domain names like www.comptia.org. Inspection of the local host firewall logs indicates that outbound traffic targeting an essential infrastructure service is being dropped. Which port and protocol combination must be permitted through the firewall to resolve this hostname resolution issue?

Cevabı ve açıklamayı göster

Cevap: UDP port 53

Cevap

UDP port 53 must be allowed through the firewall because the Domain Name System (DNS) protocol handles name-to-IP address resolution over UDP port 53.
The ability to reach external network hosts by IP address combined with the inability to load sites by domain name indicates a Domain Name System (DNS) failure. DNS operates primarily on UDP port 53 to listen for and respond to hostname resolution requests from client systems.

Adım Adım Çözüm

1
Analyze the reported failure symptoms.
Pinging numerical IP addresses succeeds, confirming Layer 3 network connectivity, but navigating by domain names fails.
This specific failure pattern indicates that network routing is functional but name resolution services are failing.
2
Identify the protocol responsible for resolving hostnames to IP addresses.
Domain Name System (DNS) translates human-readable domain names into IP addresses.
Computers rely on DNS to query name servers when connecting via URLs.
3
Determine the default port and transport protocol for DNS queries.
DNS operates on port 53 using UDP for standard client queries (and TCP for zone transfers).
Permitting UDP port 53 on the host firewall allows DNS lookup requests and responses to pass through.

Anahtar Kavram

Domain Name System (DNS) Port and Transport Layer Protocol
Soru 1970Soru

A field support specialist finishes repairing an employee's workstation that was unable to connect to the corporate VPN due to a corrupted client configuration file. The specialist verified full connectivity and confirmed with the employee that remote access is restored. Which of the following represents the most appropriate next step for the specialist within the ticketing system workflow?

Cevabı ve açıklamayı göster

Cevap: Record the identified root cause, specific remediation actions performed, and user verification details in the ticket resolution notes before closing it.

Cevap

Record the identified root cause, specific remediation actions performed, and user verification details in the ticket resolution notes before closing it.
In formal help desk and service desk ticketing workflows, resolving an incident requires entering comprehensive notes detailing the problem's root cause, exact resolution steps taken, and confirmation that the user verified functionality. This creates a searchable historical record for future troubleshooting and maintains accuracy in reporting.

Adım Adım Çözüm

1
Identify the remaining task in the incident lifecycle after issue resolution and verification.
The physical/technical troubleshooting and end-user confirmation phases are complete, leaving administrative ticketing workflow actions.
Complete ticketing workflows demand thorough logging before closing out the request.
2
Select the option that adheres to standard operational procedures for incident documentation.
Documenting the root cause, configuration fixes applied, and user confirmation ensures a clear historical record and knowledge base entry.
Comprehensive documentation facilitates tracking, reporting, and future troubleshooting of recurring issues.

Anahtar Kavram

Incident Lifecycle and Resolution Documentation Workflows
Tahmini Süre:1m 15s
Soru 1971Soru

An IT support technician arrives at an executive's office to resolve a local printer connectivity issue. Upon arrival, the technician observes open spreadsheets containing unencrypted personally identifiable information (PII) on the screen. The executive is called out of the office for an unexpected emergency meeting and tells the technician to complete the repair while they are away. Which of the following is the most appropriate response by the technician to maintain professional standards and customer privacy?

Cevabı ve açıklamayı göster

Cevap: Ask the executive to lock the workstation or minimize sensitive documents before stepping away from the office.

Cevap

Ask the executive to lock the workstation or minimize sensitive documents before stepping away from the office.
Respecting customer privacy and property is a key requirement of professional IT conduct. Asking the user to lock their screen or secure confidential documents before leaving ensures sensitive data remains protected while allowing the technician to proceed with repairs professionally.

Adım Adım Çözüm

1
Identify customer privacy and professional interaction boundaries.
Recognize that active files on screen contain sensitive PII that the technician should not view or alter without authorization.
CompTIA guidelines mandate maintaining confidentiality and respecting customer privacy at all times.
2
Communicate the privacy requirement to the user prior to their departure.
Politely ask the user to secure their active session or minimize sensitive documents.
The user is the primary custodian of their open workspace and must secure sensitive data before leaving a technician unattended.

Anahtar Kavram

Professional Communication and Customer Privacy Safeguards
Soru 1972Soru

A technician is configuring security settings on a user's workstation browser after resolving an incident involving unwanted advertising windows and search engine hijacking. Which TWO of the following browser security controls or actions will directly help prevent future unauthorized pop-ups and redirects? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Enable the browser's built-in pop-up blocker feature; Audit and remove suspicious or unauthorized browser extensions

Cevap

Enabling the browser's built-in pop-up blocker feature and auditing and removing suspicious or unauthorized browser extensions are the two correct preventive actions.
Enabling the built-in pop-up blocker directly stops site scripts from opening unwanted new tabs or advertisement windows. Removing unauthorized or suspicious browser extensions prevents rogue add-ons from intercepting web queries and redirecting search traffic.

Adım Adım Çözüm

1
Identify browser security controls relevant to pop-ups and redirects.
Built-in pop-up blockers stop new windows from spawning automatically, while inspecting extensions isolates malicious scripts modifying search settings.
Pop-up blockers and extension management directly target browser hijacking vectors.
2
Evaluate non-relevant OS management tasks.
Event Viewer log sizing and full OS reinstallations are inappropriate for standard browser troubleshooting.
Technicians should apply targeted configuration changes rather than unnecessary system-wide resets or unrelated log changes.

Anahtar Kavram

Browser Security Controls and Extension Management
Soru 1973Soru

A network technician is deploying a new wired network run in a manufacturing facility. The run spans 85 meters (278 feet) alongside heavy industrial machinery that generates high levels of electromagnetic interference (EMI). The specification requires supporting 10 Gbps network throughput across the full distance. Which TWO of the following cabling components should the technician select to meet these requirements? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Category 6A Shielded Twisted Pair (STP) cabling; Shielded metal-encased RJ45 connectors

Cevap

The technician should select Category 6A Shielded Twisted Pair (STP) cabling and shielded metal-encased RJ45 connectors.
Category 6A Shielded Twisted Pair (STP) cabling combined with shielded metal-encased RJ45 connectors provides 10 Gbps bandwidth up to 100 meters while protecting signal integrity against severe industrial electromagnetic interference.

Adım Adım Çözüm

1
Identify the bandwidth and distance requirements.
10 Gbps throughput is required over an 85-meter distance.
Standard Cat 6 cabling supports 10 Gbps only up to 55 meters, whereas Cat 6A supports 10 Gbps up to the full 100-meter channel length.
2
Identify environmental interference risks.
Heavy industrial machinery generates severe electromagnetic interference (EMI).
Shielded Twisted Pair (STP) cabling and shielded RJ45 connectors are required to prevent signal degradation caused by external EMI.

Anahtar Kavram

Twisted Pair Cable Specifications and Shielding Standards
Tahmini Süre:1m 30s
Soru 1974Soru

During routine system maintenance, an IT specialist finds that critical Windows system files are damaged. Running System File Checker fails to repair the corrupted files because the local component store payload is missing or damaged. Which command should the specialist execute first to repair the Windows component store from an online source?

Cevabı ve açıklamayı göster

Cevap: dism /online /cleanup-image /restorehealth

Cevap

Executing dism /online /cleanup-image /restorehealth repairs the corrupted Windows component store by fetching clean copies from Windows Update, allowing System File Checker to successfully repair system files afterwards.
The command dism /online /cleanup-image /restorehealth scans the operating system component store for corruption and uses Windows Update to download clean replacement files, which subsequently allows System File Checker to successfully resolve system file errors.

Adım Adım Çözüm

1
Identify the cause of System File Checker repair failure
Recognize that System File Checker relies on a healthy local component store (WinSxS) to repair corrupted OS files.
When the local component store itself is damaged, System File Checker cannot restore corrupted files.
2
Select the correct command-line repair tool and switch
Use Deployment Image Servicing and Management (DISM) with the /restorehealth switch.
The /restorehealth switch actively scans the image for corruption and repairs it automatically using Windows Update.

Anahtar Kavram

Repairing the Windows component store with DISM before running System File Checker
Soru 1975Soru

Several independent local law enforcement agencies within the same county collaborate to build and share a cloud-based digital evidence repository. The infrastructure is dedicated exclusively to these specific agencies to satisfy shared regulatory and data access requirements. Which cloud deployment model is being used?

Cevabı ve açıklamayı göster

Cevap: Community cloud

Cevap

The scenario describes a community cloud deployment model because the infrastructure is shared exclusively among multiple organizations that have joint requirements and operational goals.
A community cloud model is created when multiple distinct organizations with shared interests, regulatory obligations, or security policies pool or share a dedicated cloud infrastructure restricted to those specific members.

Adım Adım Çözüm

1
Identify the organizational ownership and user group described in the scenario.
The infrastructure is shared between several independent law enforcement agencies.
Determining whether one or multiple organizations use the platform narrows down the deployment model.
2
Analyze access control and shared goals.
Access is restricted strictly to the participating agencies sharing common regulatory standards.
Exclusive multi-organization sharing for common interests defines a community cloud deployment.

Anahtar Kavram

Cloud Deployment Models - Community Cloud
Soru 1976Soru

An architectural firm wants to deploy an off-the-shelf project management and invoicing application for its field staff. The firm requires a solution where the cloud provider manages all underlying hardware, operating system updates, database middleware, and application software maintenance, leaving the internal IT staff responsible only for user account provisioning and data access configuration. Which cloud service model best meets these requirements?

Cevabı ve açıklamayı göster

Cevap: Software as a Service (SaaS)

Cevap

Software as a Service (SaaS) is the cloud service model where the cloud vendor manages the hardware, operating system, middleware, and application software.
Software as a Service (SaaS) provides fully hosted and maintained applications accessible over the network. The vendor maintains the hardware, operating system, software patches, and application binaries, leaving the client responsible solely for managing user permissions and client data.

Adım Adım Çözüm

1
Analyze the customer's management responsibilities specified in the scenario.
The internal IT team is only responsible for user access administration and provisioning, not for managing software updates or underlying infrastructure.
Identifying the division of responsibility defines the shared responsibility boundary for cloud models.
2
Evaluate the vendor's responsibilities specified in the scenario.
The provider maintains everything from the physical hardware and operating system to the database middleware and the application software code.
Full vendor control over the entire stack up to the application layer is characteristic of turnkey cloud applications.
3
Match the requirement profile to the standard cloud service model.
Software as a Service delivers a ready-to-use application with minimal consumer maintenance obligations.
SaaS abstracts all infrastructure and software maintenance away from the end user.

Anahtar Kavram

Cloud Service Models and the Shared Responsibility Boundary
Soru 1977Soru

A helpdesk technician is tasked with guiding an end user through a complex software configuration process on a Windows 11 Pro computer. The user needs to observe the technician's actions in real time for training purposes and must retain the ability to take control or end the session at any time. When the technician attempts to initiate a standard Remote Desktop Connection (`mstsc`), the remote computer's local screen locks, preventing the user from viewing the desktop. Which remote access tool should the technician use to enable a collaborative, shared desktop session without locking out the user?

Cevabı ve açıklamayı göster

Cevap: Microsoft Remote Assistance (MSRA)

Cevap

Microsoft Remote Assistance (MSRA) should be used because it allows both the technician and the user to view and interact with the same active desktop session simultaneously without locking the local screen.
Microsoft Remote Assistance (MSRA) is designed specifically for interactive remote support. It permits a technician to view and optionally control the remote computer while the local user remains logged in, sees everything occurring on screen, and retains master control to terminate the session at any point.

Adım Adım Çözüm

1
Analyze the technical requirements of the scenario
Identified the need for interactive desktop sharing where the end user remains signed in, views the screen in real time, and maintains session control.
Standard RDP locks the local desktop on Windows client OS editions, making it unsuitable for live user demonstrations or interactive assistance.
2
Evaluate candidate remote access technologies against Windows OS capabilities
Determined that MSRA (Microsoft Remote Assistance) supports invitation-based screen sharing and dual-control interaction on Windows OS without disconnecting or locking the local console.
MSRA is built into Windows for collaborative troubleshooting and support sessions.
3
Select the correct remote management tool
Microsoft Remote Assistance (MSRA) fulfills all operational and screen-sharing constraints.
Alternative command-line tools (SSH/PowerShell) do not display a GUI, and modifying RDP NLA settings does not bypass the single-console session lock on Windows client OS editions.

Anahtar Kavram

Remote Assistance vs. Remote Desktop Session Behavior
Soru 1978Soru

An IT technician is preparing to transfer a physical storage drive containing compromised system evidence to a central forensics laboratory. To maintain an unbroken chain of custody during this evidence transfer, which of the following entries must be documented on the custody tracking log? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: The date and timestamp of the evidence handoff; The names and signatures of both the releasing and receiving individuals

Cevap

The correct documentation entries are the date and timestamp of the evidence handoff, along with the names and signatures of both the releasing and receiving individuals.
Chain of custody protocol requires an unbroken chronological record of everyone who collected, transferred, secured, or analyzed evidence. Recording the exact date and timestamp alongside the printed names and signatures of both the releasing handler and receiving handler establishes legal accountability and continuity of control.

Adım Adım Çözüm

1
Identify the primary purpose of chain of custody documentation.
Chain of custody forms track evidence possession, transfer chronologies, and tamper integrity.
Legal defensibility requires proving who held the evidence at any given point in time.
2
Evaluate required custody log fields during an evidence transfer.
Every transfer requires recording the date/time of handoff and signatures from both parties involved.
Timestamps and dual signatures establish an unambiguous, accountable record of transfer.

Anahtar Kavram

Chain of Custody Documentation
Soru 1979Soru

A system technician is calculating the minimum recommended power supply unit (PSU) wattage rating for a multimedia editing workstation. The workstation components have the following maximum continuous power requirements under full load:

- Central Processing Unit (CPU): 95 W95\text{ W}
- Dedicated Graphics Card (GPU): 210 W210\text{ W}
- Hardware Capture Expansion Card: 45 W45\text{ W}
- 10GbE Network Adapter Card: 35 W35\text{ W}
- Motherboard, System RAM, Storage Drives, and Cooling Fans: 65 W65\text{ W}

According to IT best practices, a power supply should be sized so that total maximum system power consumption does not exceed 75%75\% of the PSU's rated continuous output capacity. What is the minimum rated output wattage required for the replacement PSU?

Cevabı ve açıklamayı göster

Cevap: 600

Cevap

600 W
To calculate the minimum required power supply wattage rating, first sum the continuous power draw of all components: 95 W (CPU)+210 W (GPU)+45 W (Capture Card)+35 W (NIC)+65 W (Motherboard/RAM/Storage/Cooling)=450 W95\text{ W}\text{ (CPU)} + 210\text{ W}\text{ (GPU)} + 45\text{ W}\text{ (Capture Card)} + 35\text{ W}\text{ (NIC)} + 65\text{ W}\text{ (Motherboard/RAM/Storage/Cooling)} = 450\text{ W}. To satisfy the guideline that total consumption must not exceed 75%75\% (0.750.75) of the rated PSU capacity, divide the total wattage draw by 0.75: 450 W0.75=600 W\frac{450\text{ W}}{0.75} = 600\text{ W}.

Adım Adım Çözüm

1
Calculate the total power consumption of all workstation components under full load.
95 W+210 W+45 W+35 W+65 W=450 W95\text{ W} + 210\text{ W} + 45\text{ W} + 35\text{ W} + 65\text{ W} = 450\text{ W} total continuous power draw.
Proper PSU sizing requires accounting for all active internal hardware, including the CPU, GPU, all PCI Express expansion cards, drives, memory, motherboard, and cooling accessories.
2
Divide the total continuous power consumption by the targeted maximum load percentage (0.75).
450 W0.75=600 W\frac{450\text{ W}}{0.75} = 600\text{ W} minimum rated power supply output capacity.
Operating a power supply at or below 75% capacity ensures optimal energy conversion efficiency, reduces heat production, and provides essential safety headroom for transient power draw spikes.

Anahtar Kavram

Power supply wattage sizing calculations based on total system component power draw and target continuous load headroom guidelines.
Tahmini Süre:1m 30s
Soru 1980Soru

A group of five independent regional clean-energy research institutes enters into a joint agreement to share high-performance simulation tools and environmental datasets. To control operational costs and ensure compliance with shared data-handling policies, they jointly fund and manage a dedicated cloud computing infrastructure that is hosted off-premises at a third-party data center. Access to this environment is strictly restricted to researchers from these five collaborating organizations, and the infrastructure is not accessible to the general public or other non-member institutions. Which of the following cloud deployment models is being utilized in this scenario?

Cevabı ve açıklamayı göster

Cevap: Community cloud

Cevap

Community cloud
The scenario describes a community cloud model. A community cloud is shared by multiple distinct organizations that have shared goals, security requirements, or compliance needs. In this case, the five independent research institutes jointly fund and share an off-premises environment restricted strictly to their member researchers.

Adım Adım Çözüm

1
Analyze organizational tenancy and access boundaries in the scenario.
The infrastructure is shared among a specific group of five independent organizations with a common mission, rather than a single entity or the general public.
Identifying who shares ownership and access defines the core deployment model.
2
Evaluate hosting and management details against cloud deployment model definitions.
Jointly funded, shared-access cloud infrastructure restricted exclusively to a specific group of aligned entities matches the definition of a Community Cloud.
Community clouds allow organizations with shared objectives or compliance requirements to pool resources.

Anahtar Kavram

Cloud Deployment Models - Community Cloud Characteristics
ÖncekiSayfa 99 / 178Sonraki
Tüm alıştırma soruları — CompTIA A+ (Core 1 & Core 2) | Examkin