Tüm alıştırma soruları

A security administrator is establishing baseline security for custom embedded IoT environmental monitoring units deployed throughout a manufacturing facility. These embedded devices feature minimal operating system builds, lack dedicated user interface screens, and operate with strictly limited processing power and memory resources. The units transmit telemetry over the local wireless network to a central server. Which of the following security measures should the administrator implement FIRST to effectively secure these embedded devices against unauthorized access and network compromise?

A user reports that a local accounting application stops responding and displays a frozen interface whenever generating monthly reports. A technician inspects the hung application using the Analyze Wait Chain feature in Task Manager and discovers that the main executable is waiting on a stalled dependency thread belonging to a background service process (`acct_calc_service.exe`). Which of the following actions should the technician take first to resolve the application hang?

A desktop support technician is configuring a standalone workstation running Windows 11 Home edition for a small business client. The client requires specific local security settings, including account lockout thresholds and password complexity rules. When the technician attempts to open the Local Security Policy console (secpol.msc) from the Run dialog, an error indicates that the management console cannot be found. Which of the following best explains why the technician cannot access this utility?

A security analyst is auditing endpoint hardening configurations for shared customer service desktops. Corporate policy requires that inactive user sessions automatically lock after five minutes without terminating running applications, and that unauthenticated users cannot access local resources via legacy default accounts. Which of the following configurations best satisfies both requirements?

A database server operating under sustained workload unexpectedly powers completely off after approximately $15\text{ minutes}$ of use, with no operating system crash logs or blue screen errors recorded. Upon immediately navigating to the system BIOS hardware monitor after rebooting, the technician observes a CPU temperature of $96^\circ\text{C}$. After allowing the system to rest powered off for $20\text{ minutes}$, the CPU temperature drops to $36^\circ\text{C}$ and the server boots normally. Inspection reveals all chassis and CPU cooling fans are spinning at nominal speed and the heatsink fins are free of dust. Which of the following is the most likely root cause of this issue?

A field technician is troubleshooting distinct printing issues across various department printer types in an organization. Match each reported printer symptom on the left to its most likely root cause or resolution on the right.

A technician needs to repair corrupted startup boot files on a Windows system that displays a 'BOOTMGR is missing' error using Windows Recovery Environment (WinRE). How should the technician sequence the recovery process from start to finish?

A smartphone user reports that an augmented reality navigation application causes severe thermal throttling and rapid battery drain even after navigating away from the app. Following standard CompTIA mobile OS troubleshooting methodology, place the following actions in the correct sequence from least invasive to most invasive.

A Windows 11 workstation utilizing a UEFI partition scheme fails to boot, displaying a blue screen with the error code 0xc000000f stating that the Boot Configuration Data (BCD) file is missing required information. A system administrator boots the system into the Windows Recovery Environment (WinRE) and opens the Command Prompt. Place the technician's recovery steps in the correct order to assign a temporary drive letter to the hidden EFI System Partition (ESP) and rebuild the BCD store.

A helpdesk technician is responding to an incident involving a Windows workstation infected with a persistent crypto-mining Trojan. The malware infection has already been identified and verified by security logs. Place the following remediation actions in the correct sequence according to the official CompTIA 7-step malware removal process.

A Windows 11 workstation hosting a specialized data simulation tool experiences severe system stuttering followed by application crashes during heavy workload execution. A technician checks system metrics and discovers physical RAM utilization at 98% with continuous high hard fault rates. Further inspection shows the virtual memory paging file is capped at a fixed maximum size of 256 MB on a slow secondary volume. Which of the following is the most appropriate initial step to resolve this performance degradation and prevent application crashes?

A systems administrator needs to harden a standalone Windows 11 workstation by configuring User Account Control (UAC) to automatically deny all elevation prompts for standard domain users. Place the steps in the correct order to accomplish this configuration using the Local Security Policy snap-in.

A security analyst is designing the wireless infrastructure for a mobile inventory auditing system across several distribution centers. Corporate policy mandates that each employee authenticate using their individual Active Directory account rather than a shared password, ensuring central access control and user accountability. Which of the following wireless security implementations should the analyst deploy to fulfill this requirement?

A mobile device user reports that a frequently used ridesharing application on an Android smartphone is behaving sluggishly and failing to load map details properly. All other applications and network connections on the device function normally. Which of the following is the best initial troubleshooting step a technician should perform to resolve this issue?

A field technician is troubleshooting a DLP (Digital Light Processing) projector in an executive conference room. Presenters report that projected presentations frequently display rapidly flickering colored bands and severe color distortion. The technician accesses the projector's built-in On-Screen Display (OSD) menu and notes that the menu text and graphics exhibit the exact same color shifting and flickering. Which of the following components is most likely failing?

A desktop computer running Windows 10 with legacy BIOS and an MBR disk layout fails to complete the startup process following a power outage. Upon powering on the system, POST completes successfully, but screen output halts with the message 'Invalid partition table'. The technician boots the workstation into the Windows Recovery Environment (WinRE) command prompt to diagnose the volume configuration. Which of the following procedures should the technician perform FIRST to restore system bootability?

A technician is troubleshooting a Windows workstation where a desktop productivity application freezes immediately upon launch. What is the correct sequence of steps the technician should take to isolate and resolve the issue?

A remote software engineer receives an unexpected phone call from an individual claiming to be a senior network administrator from the corporate IT helpdesk. The caller states that an urgent security patch requires immediate account validation and requests that the engineer approve a multifactor authentication (MFA) push notification sent to their mobile device. Which social engineering threat vector is primarily being conducted in this scenario?

A network administrator is troubleshooting an issue on a Windows workstation where recent DNS record updates on the domain controller are not taking effect locally, preventing connection to an internal application server. The administrator must clear all cached host name resolution entries and force the workstation to dynamically re-register its IP address and computer name with the DNS server. Which of the following command-line commands should the administrator execute to complete these tasks? (Select TWO.)

A support technician replaces a faulty desktop monitor for an employee. Which of the following documentation steps should the technician complete in the ticketing system before closing the request?