Examkin

Tüm alıştırma soruları

3551 soru

Tüm türler3,551Çoktan seçmeli1,809Çoklu seçim786Sayısal12Eşleştirme521Sıralama423
Soru 2781Soru →

An IT technician is troubleshooting a desktop computer running Windows that fails to boot. When powered on, the machine displays a black screen with the error message: "An operating system wasn't found. Try disconnecting any drives that don't contain an operating system." The technician notices a USB flash drive connected to the computer and confirms in the UEFI setup utility that the internal hard drive is detected and functioning properly. Which of the following actions should the technician take FIRST to resolve the issue?

Cevabı ve açıklamayı göster

Cevap: Disconnect the external USB drive and adjust the boot sequence in the UEFI firmware settings to prioritize the internal hard drive.

Cevap

Disconnect the external USB drive and adjust the boot sequence in the UEFI firmware settings to prioritize the internal hard drive.
The error message 'An operating system wasn't found' occurs when system firmware checks the top device in the boot priority list and finds no valid bootloader. When a non-bootable USB drive is connected and takes precedence in UEFI settings, POST fails to load Windows. Disconnecting the USB device and setting the internal drive as the primary boot device resolves the issue directly.

Adım Adım Çözüm

1
Analyze the boot error symptom and physical storage configuration.
The message 'An operating system wasn't found' coupled with a connected USB drive indicates that the UEFI firmware is attempting to boot from removable media that lacks boot files.
System firmware follows a defined boot order priority list. If removable media appears before the OS drive in precedence, startup fails.
2
Remediate boot priority misconfiguration in UEFI firmware.
Unplugging the flash drive and placing the internal hard drive first in the boot order restores the normal OS boot path.
This ensures the firmware immediately targets the drive containing Windows Boot Manager during POST.

Anahtar Kavram

Troubleshooting Windows OS Startup and Boot Errors - Improper Boot Order and Removable Media Precedence
Soru 2782Soru →

A technician is resolving a Windows startup failure caused by a corrupted Boot Configuration Data (BCD) store. Operating in the Windows Recovery Environment (WinRE) Command Prompt, the technician attempts to run `bootrec /rebuildbcd`, but the command cannot replace the existing store because the BCD file remains locked and marked as system-protected. Place the remaining steps required to unlock, replace, and successfully rebuild the BCD store in the correct sequential order.

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct sequence begins with removing the file attributes using `attrib`, followed by renaming the corrupted BCD file using `ren`, re-executing `bootrec /rebuildbcd` to regenerate the boot store, and finally confirming the addition of the OS installation when prompted.
When repairing BCD store corruption, `bootrec /rebuildbcd` may fail if the existing BCD file is locked or damaged. The proper recovery procedure requires removing the system, hidden, and read-only attributes from `c:\boot\bcd` using `attrib -h -r -s`. Next, renaming the file with `ren c:\boot\bcd bcd.old` clears the path. Running `bootrec /rebuildbcd` then initializes a new configuration store, and entering `Y` at the prompt adds the operating system to the clean BCD file.

Adım Adım Çözüm

1
Clear system file locks and attributes.
File attributes (-h -r -s) are removed from `c:\boot\bcd` so administrative commands can modify it.
Windows protects boot configuration files with System, Read-only, and Hidden attributes, preventing them from being renamed or overwritten while protected.
2
Rename the existing corrupted BCD store.
The file `c:\boot\bcd` is renamed to `bcd.old`.
`bootrec /rebuildbcd` will fail to create a new file if an existing file with the same name exists at that directory path.
3
Initiate the boot reconstruction utility.
The utility scans all connected drives for Windows installations and prompts to add discovered OS installations.
Now that the corrupted file path is clear, running the rebuild command allows the installer to initialize a clean boot database.
4
Confirm adding the detected OS to the new boot store.
The Windows boot manager entry is successfully written to the new BCD store.
User confirmation is required by `bootrec` to finalize adding identified OS installations to the newly constructed database.

Anahtar Kavram

Rebuilding Corrupted BCD Files via WinRE Command Line
Soru 2783Soru →

An IT support technician at a digital animation studio is troubleshooting a Windows 11 workstation. The computer was immediately disconnected from the network after displaying rogue security warnings and initiating unauthorized background network sockets. Having identified the malware symptoms and successfully isolated the machine, which action should the technician take NEXT according to standard CompTIA malware removal procedures?

Cevabı ve açıklamayı göster

Cevap: Disable System Restore in Windows.

Cevap

Disable System Restore in Windows.
According to CompTIA's standard 7-step malware removal process (1. Identify symptoms, 2. Isolate system, 3. Disable System Restore, 4. Remediate, 5. Schedule scans/updates, 6. Enable System Restore/create restore point, 7. Educate user), the immediate next step after isolating the machine is to disable System Restore. This ensures that infected system files are deleted from volume shadow copies and cannot restore the infection later.

Adım Adım Çözüm

1
Review the current state within CompTIA's 7-Step Malware Removal Procedure
Step 1 (Identify malware symptoms) and Step 2 (Isolate infected systems) have already been completed.
The scenario explicitly states that malware symptoms were identified and the workstation was isolated from the network.
2
Determine the mandatory next sequential step in the process
Step 3 is to Disable System Restore (in Windows).
Disabling System Restore cleans out existing restore points and prevents malware from hiding inside Windows volume shadow copies during scanning.

Anahtar Kavram

CompTIA 7-Step Malware Removal Procedure
Soru 2784Soru →

A Windows 11 workstation fails to start after a sudden power outage, presenting a screen with the error 'The Boot Configuration Data file is missing some required information. Error code: 0xc000000d.' An IT technician boots the computer into the Windows Recovery Environment (WinRE) Command Prompt and confirms that the Windows system directory on drive C: is fully accessible. Which command should the technician execute to scan for compatible Windows installations and rebuild the boot configuration database?

Cevabı ve açıklamayı göster

Cevap: bootrec /rebuildbcd

Cevap

Executing bootrec /rebuildbcd scans connected storage volumes for installed Windows operating systems and rebuilds the Boot Configuration Data (BCD) store.
Executing bootrec /rebuildbcd scans all connected disks for installed Windows operating systems and prompts the technician to add missing boot entries into the BCD store, successfully resolving the 0xc000000d startup error.

Adım Adım Çözüm

1
Analyze the error message and identify the failure layer.
Error code 0xc000000d indicates that the Boot Configuration Data (BCD) file is corrupted or missing required startup entries.
Identifying that the BCD store is missing or corrupted isolates the problem specifically to the boot database structure.
2
Select the appropriate recovery command within WinRE.
The bootrec utility with the /rebuildbcd option searches for active Windows installations and populates the BCD store with valid boot entries.
Rebuilding the BCD directly restores missing boot configuration data required by the Windows Boot Manager.

Anahtar Kavram

Rebuilding the Boot Configuration Data (BCD) store using the bootrec utility in WinRE
Soru 2785Soru →

A desktop support technician at a municipal water utility is responding to a Windows 11 workstation that was infected with malware via a malicious email attachment. The technician has already identified and confirmed the malware infection symptoms. In what order should the technician execute the following remediation steps according to the standard CompTIA 7-step malware removal procedure?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct order follows CompTIA's 7-step malware removal process: first quarantine the system by disconnecting network connections, next disable System Restore, then remediate the system by updating signatures and scanning, followed by re-enabling System Restore to create a clean restore point, and finally educating the end user.
The standard CompTIA 7-step malware remediation process specifies the following sequence: 1) Identify malware symptoms, 2) Quarantine infected systems, 3) Disable System Restore, 4) Remediate infected systems (update definitions and scan), 5) Schedule scans and run updates, 6) Enable System Restore and create a restore point, and 7) Educate the end user. Disconnecting network interfaces isolates the device first, followed by turning off System Restore, running updated anti-malware scans, re-enabling System Restore to build a clean baseline, and concluding with user education.

Adım Adım Çözüm

1
Quarantine the infected system.
Network adapters are disconnected, preventing the malware from spreading across the local municipal network.
CompTIA Step 2 requires isolating the infected host immediately following identification.
2
Disable System Restore.
Previous restore points containing latent malware files are purged and new restore point creation is paused.
CompTIA Step 3 ensures that malware cannot persist or re-infect the system via Windows System Restore.
3
Remediate the system.
Anti-malware definitions are updated and a comprehensive scan cleans or quarantines infected files.
CompTIA Step 4 involves active malware removal using updated tools.
4
Enable System Restore and create a restore point.
System protection is restored with a verified malware-free baseline.
CompTIA Step 6 re-establishes OS recovery capabilities once the system is verified clean.
5
Educate the end user.
The user is trained to recognize social engineering tactics and suspicious attachments.
CompTIA Step 7 concludes the remediation process by addressing human risk factors.

Anahtar Kavram

CompTIA 7-Step Malware Removal Procedure
Soru 2786Soru →

A system administrator is troubleshooting a desktop computer running Windows 10 configured in UEFI mode that fails to boot, presenting a screen indicating that the operating system configuration could not be found. After booting into the Windows Recovery Environment (WinRE) command prompt, the administrator needs to identify any existing Windows installations not listed in the current boot configuration and rebuild the BCD database. Which TWO actions should the administrator perform from the WinRE command prompt to resolve this issue? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Execute bootrec /scanos to search all connected disks for Windows installations compatible with the current OS setup.; Execute bootrec /rebuildbcd to scan all disks for Windows installations and prompt the technician to add them to the BCD store.

Cevap

Executing bootrec /scanos identifies installed Windows systems not listed in the BCD, and running bootrec /rebuildbcd allows the technician to add those identified installations back into the BCD store.
To repair a boot failure caused by missing or corrupted boot entries in Windows, the bootrec tool provides two primary options: /scanos searches all connected disks for installed Windows operating systems that are not currently included in the Boot Configuration Data (BCD), while /rebuildbcd performs a scan and interactively prompts the administrator to add any discovered installations directly into the BCD store.

Adım Adım Çözüm

1
Boot into the Windows Recovery Environment (WinRE) and open the Command Prompt.
Access to administrative command-line repair tools is established.
WinRE provides offline access to boot repair utilities such as bootrec.
2
Run the command bootrec /scanos.
Disks are scanned for Windows installations currently unlisted in the BCD store.
This confirms whether the OS partition is recognized and readable by the recovery utility.
3
Run the command bootrec /rebuildbcd.
Disks are scanned and the technician is prompted to import discovered Windows installations into the BCD.
Rebuilding the BCD store restores missing boot entries necessary for Windows to start.

Anahtar Kavram

Windows Boot Configuration Data (BCD) Recovery using Bootrec tools
Soru 2787Soru →

An IT support specialist at a regional transit authority is troubleshooting a Windows 11 workstation used for schedule dispatching. The computer exhibits active malware symptoms, including unexpected browser pop-ups and unusual background network traffic. The technician has confirmed the presence of malware and has already disconnected the network cable and disabled Wi-Fi to isolate the system. According to standard CompTIA 7-step malware remediation procedures, which of the following steps should the technician take NEXT?

Cevabı ve açıklamayı göster

Cevap: Disable System Restore in Windows.

Cevap

The technician should disable System Restore in Windows before proceeding to remediation.
According to the official CompTIA 7-step malware removal process (1. Identify, 2. Isolate, 3. Disable System Restore, 4. Remediate, 5. Schedule scans/updates, 6. Enable System Restore/create restore point, 7. Educate end user), the immediate step after isolating the system is to disable System Restore in Windows. This prevents Windows from taking automatic snapshots that include infected files or malware registry keys.

Adım Adım Çözüm

1
Review the current step completed in the CompTIA 7-step malware removal process.
Step 1 (Identify symptoms) and Step 2 (Isolate infected system) have already been completed.
The scenario specifies that malware symptoms were verified and the workstation was disconnected from wired and wireless networks.
2
Determine the mandatory next step in the process sequence.
Step 3 is to disable System Restore in Windows.
Disabling System Restore purges existing restore points and prevents infected files from being saved during the clean-up phase.

Anahtar Kavram

CompTIA 7-Step Malware Removal Procedure
Soru 2788Soru →

A Windows 11 desktop computer fails to finish booting after a technician modified the storage controller configuration in the motherboard BIOS/UEFI settings from AHCI mode to RAID mode. During boot, the system halts with a Stop Error screen displaying INACCESSIBLE_BOOT_DEVICE. Which of the following is the most appropriate action to restore successful boot functionality?

Cevabı ve açıklamayı göster

Cevap: Re-enter the BIOS/UEFI setup utility and change the SATA storage controller setting back to AHCI mode.

Cevap

Re-enter the BIOS/UEFI setup utility and change the SATA storage controller setting back to AHCI mode.
When the SATA controller mode is altered in BIOS/UEFI settings from AHCI to RAID (or vice versa), the installed Windows storage driver stack no longer matches the hardware controller interface presented at boot. The OS kernel fails to communicate with the system drive and triggers an INACCESSIBLE_BOOT_DEVICE stop error. Reversing the BIOS/UEFI change back to AHCI mode restores alignment between the storage hardware and the installed driver, allowing Windows to boot normally.

Adım Adım Çözüm

1
Analyze the reported boot symptom and recent system change.
Identified that the SATA controller mode was switched from AHCI to RAID in BIOS/UEFI immediately prior to the INACCESSIBLE_BOOT_DEVICE stop error.
Windows loads specific storage drivers during boot based on the active controller mode configured in motherboard firmware.
2
Evaluate the cause of the INACCESSIBLE_BOOT_DEVICE error.
Determined that the OS cannot initialize the required storage driver for RAID mode during early boot stages because Windows was originally installed and configured for AHCI mode.
If the active driver does not match the hardware controller mode, the Windows boot manager cannot access the boot partition.
3
Select the proper corrective action.
Reverting the controller setting back to AHCI mode in BIOS/UEFI allows Windows to successfully load the existing AHCI driver and access the boot partition.
Reverting firmware changes to match the original installed state fixes boot issues without altering drive files or software boot records.

Anahtar Kavram

Troubleshooting Windows OS Startup and Boot Errors resulting from storage controller mode (AHCI/RAID) mismatches in BIOS/UEFI.
Soru 2789Soru →

An IT technician at an automated indoor agriculture facility notices unexpected browser redirects and system degradation on a Windows 11 computer used for climate sensor tracking. The technician has confirmed a malware infection and successfully isolated the system from the network. Which TWO of the following steps should the technician perform NEXT before initiating the full system malware scan?

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Disable System Restore in Windows; Update the anti-malware definition signatures

Cevap

The technician should disable System Restore in Windows and update the anti-malware definition signatures before running the remediation scan.
Following the standard CompTIA 7-step malware removal workflow (1. Identify symptoms, 2. Isolate system, 3. Disable System Restore, 4. Remediate, 5. Schedule scans/updates, 6. Enable System Restore/create restore point, 7. Educate end user), after isolation the technician must disable System Restore and update anti-malware signatures prior to running the scan.

Adım Adım Çözüm

1
Identify the current stage in the standard 7-step malware removal process.
The scenario states Step 1 (Identify malware symptoms) and Step 2 (Isolate infected systems) are complete.
Understanding progress through the standard workflow determines which actions follow.
2
Determine the next required step before remediation scanning.
Step 3 requires disabling System Restore so that infected files are not included in restore points.
If System Restore remains enabled, malware could be backed up or restored automatically.
3
Identify the preliminary step required for active remediation (Step 4).
Before running the actual scan, anti-malware signature files and definitions must be updated.
Outdated anti-malware definitions may miss newer variants of the detected malware.

Anahtar Kavram

CompTIA 7-Step Malware Removal Process
Tahmini Süre:1m 30s
Soru 2790Soru →

A technician is troubleshooting a Windows workstation configured in UEFI mode that fails to start due to corrupted EFI boot files. The system has been booted into the Windows Recovery Environment (WinRE) Command Prompt to manually repair the EFI System Partition (ESP). In what sequence should the technician execute the following steps to rebuild the system boot environment?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct sequence begins with launching diskpart to select the target disk, assigning a drive letter to the EFI System Partition, exiting diskpart to navigate to the EFI directory, and running the bcdboot command to deploy new boot files.
To repair a corrupted EFI System Partition in UEFI mode, a technician must first open diskpart and select the main disk. Next, the hidden FAT32 EFI partition must be located and assigned a temporary drive letter. After exiting diskpart and changing to the target directory, the technician executes the bcdboot command to copy clean bootloader binaries and recreate the Boot Configuration Data (BCD) store.

Adım Adım Çözüm

1
Launch diskpart and execute select disk to choose the physical OS drive.
The operating system disk is selected for partition configuration.
Before partition-level actions can be performed in WinRE, the utility must be focused on the correct disk.
2
Identify the hidden FAT32 EFI System Partition volume and assign a letter using assign letter=Z.
The EFI System Partition is mounted with drive letter Z:.
Command-line repair utilities require an active drive letter path to write updated boot files to the partition.
3
Type exit to leave diskpart, then use cd /d Z:\EFI\Microsoft\Boot\ to change directories.
The command prompt active path is positioned within the EFI boot folder.
Leaving diskpart returns the environment to standard CLI operation for file manipulation and repair commands.
4
Run bcdboot C:\Windows /s Z: /f UEFI to rebuild boot files.
Fresh bootloader binaries and a clean BCD store are generated on the EFI System Partition.
The BCDBoot tool extracts healthy boot files from the Windows directory and writes them to the specified UEFI partition.

Anahtar Kavram

Manual EFI System Partition Restoration using Diskpart and BCDBoot
Tahmini Süre:1m 30s
Soru 2791Soru →

A field technician is troubleshooting a Windows workstation configured with a legacy MBR partition scheme that fails to boot, displaying the error message 'Invalid partition table' on a black screen. Upon booting into the Windows Recovery Environment (WinRE) Command Prompt, which TWO of the following troubleshooting actions should the technician perform to repair the boot structure and make the primary drive bootable? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Run bootrec /fixmbr to repair the corrupted Master Boot Record code on the system partition.; Use diskpart to select the primary system partition and mark it as active.

Cevap

The technician must execute `bootrec /fixmbr` to repair the Master Boot Record code and use `diskpart` to set the primary partition as active.
An 'Invalid partition table' error on a legacy MBR system signifies either corruption in the Master Boot Record or that no drive partition is designated as active. Running `bootrec /fixmbr` writes a compatible MBR to the system partition to correct MBR boot code corruption. Using `diskpart` to set the Windows system partition to 'active' allows the BIOS to hand off boot control to the partition containing boot files.

Adım Adım Çözüm

1
Analyze the error message 'Invalid partition table' on a legacy MBR system.
Identified that either the MBR boot code is damaged or no partition on the disk is flagged as active.
Legacy BIOS systems require an active partition flag in the partition table to locate bootable startup files.
2
Boot into the WinRE Command Prompt and execute bootrec /fixmbr.
The Master Boot Record's main boot code is rewritten.
This fixes corrupted MBR code without affecting the underlying partition table structure or user data.
3
Launch diskpart, select the primary OS volume, and execute the 'active' command.
The partition is marked active in the partition table.
Directs the system boot sequence to look for OS boot files on that specific partition.

Anahtar Kavram

Troubleshooting Legacy MBR Boot Failures and Active Partition Flags
Soru 2792Soru →

A desktop technician at a commercial law firm is responding to a Windows workstation displaying unauthorized pop-up security warnings and browser redirects. The technician confirms active malware and immediately disconnects the Ethernet cable to isolate the system from the network. According to the CompTIA standard 7-step malware remediation procedure, which action should the technician take NEXT?

Cevabı ve açıklamayı göster

Cevap: Disable System Restore in Windows to prevent infection points from being backed up or re-infected.

Cevap

Disable System Restore in Windows to prevent infection points from being backed up or re-infected.
Following isolation of an infected system (Step 2), the mandatory next action in CompTIA's standard 7-step malware removal process is to disable System Restore (Step 3). This ensures that existing restore points containing malicious files are deleted and no new infected points are created before scanning.

Adım Adım Çözüm

1
Identify current progress in the 7-step malware remediation procedure.
The technician completed Step 1 (Identify malware symptoms) and Step 2 (Isolate infected system).
The 7-step process requires strict chronological execution.
2
Determine Step 3 of the process.
Step 3 is 'Disable System Restore'.
System Restore must be disabled before running scans or cleaning files to prevent malware from hiding in hidden system volume information checkpoints.

Anahtar Kavram

CompTIA 7-Step Malware Remediation Order
Tahmini Süre:1m 15s
Soru 2793Soru →

A Windows 10 workstation encounters a Blue Screen of Death (BSOD) during the initial startup sequence and immediately reboots before the technician can read the error code or driver details. Which of the following Startup Settings options in the Windows Recovery Environment (WinRE) should the technician select to prevent the automatic reboot and view the crash details?

Cevabı ve açıklamayı göster

Cevap: Disable automatic restart after failure

Cevap

The technician should select 'Disable automatic restart after failure' from the WinRE Startup Settings menu to prevent automatic rebooting and view the BSOD stop code.
Selecting 'Disable automatic restart after failure' halts the automatic reboot cycle when Windows encounters a kernel panic or Blue Screen of Death during startup. This keeps the stop code and error text on the screen, allowing the technician to document the exact error message (such as a specific driver file or bugcheck code) for targeted troubleshooting.

Adım Adım Çözüm

1
Identify the symptom: continuous rebooting caused by an unhandled system crash (BSOD) during boot.
The error details are hidden because default Windows settings trigger an immediate system restart upon encountering a kernel panic.
Capturing the specific stop code or failing driver name is essential for effective troubleshooting.
2
Navigate to WinRE > Troubleshoot > Advanced options > Startup Settings and restart.
The Advanced Boot Options / Startup Settings menu displays numbered choices.
Startup Settings allows modifying startup parameters for the upcoming boot instance.
3
Select 'Disable automatic restart after failure'.
The system attempts to boot and halts on the BSOD screen when the error occurs, displaying the exact stop code and driver information.
This setting overrides the default crash recovery behavior, keeping the BSOD on screen for diagnostic examination.

Anahtar Kavram

Disabling automatic restart after failure allows technicians to halt automatic crash loops and capture BSOD error codes during boot.
Soru 2794Soru →

An IT technician at a regional logistics center is responding to a Windows workstation displaying unauthorized pop-ups and rogue security software alerts. Arrange the following malware remediation actions in the correct sequence according to standard CompTIA 7-step procedures, starting from the earliest step to the final step.

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The proper sequence follows CompTIA's standard 7-step malware remediation process: 1) Disconnect network connections to isolate the system, 2) Disable System Restore, 3) Update anti-malware signatures and scan/remediate, 4) Re-enable System Restore and create a new restore point, and 5) Educate the end user.
The standard CompTIA workflow dictates isolating the host first to contain the infection, disabling System Restore to purge infected backup states, updating definitions and remediating the system, restoring System Restore with a clean baseline, and concluding with end-user education.

Adım Adım Çözüm

1
Identify the immediate containment action required after detecting malware.
Disconnecting network interfaces isolates the machine (Step 2).
Isolating the system prevents rogue software from communicating with command-and-control servers or spreading across the LAN.
2
Prepare the system for clean remediation by preventing infected restore image retention.
Disabling System Restore purges existing system snapshots (Step 3).
If System Restore remains enabled, infected files might be saved or re-initialized during recovery attempts.
3
Apply anti-malware engine updates and eliminate the threat.
Updating definitions and running an in-depth scan removes the malware (Step 4).
Up-to-date signatures are required to detect and clean modern malware variants effectively.
4
Restore system protection infrastructure.
Re-enabling System Restore and creating a fresh restore point secures a known-good baseline (Step 6).
Once the machine is fully remediated, establishing a fresh restore point protects future working states.
5
Provide preventative guidance.
Educating the end user completes the process (Step 7).
Training users on threat vectors prevents re-infection from similar attacks.

Anahtar Kavram

CompTIA 7-Step Malware Removal Procedure
Tahmini Süre:1m 30s
Soru 2795Soru →

A systems administrator at a biotechnology research laboratory isolates an infected Windows 11 workstation from the local network and disables System Restore after observing unauthorized background data transmission and security alerts. The administrator then updates the anti-malware definitions and successfully removes all identified malicious software using a custom bootable scanner. According to CompTIA's standard 7-step malware removal procedures, what is the IMMEDIATE next step the administrator should take?

Cevabı ve açıklamayı göster

Cevap: Schedule recurring anti-malware scans and verify that operating system updates are configured.

Cevap

Schedule recurring anti-malware scans and verify that operating system updates are configured.
The correct answer represents Step 5 of the CompTIA 7-step malware removal process (Schedule scans and run updates). Once malware is successfully removed during the remediation phase (Step 4), the technician must set up automated recurring scans and ensure the OS and security software receive the latest updates to prevent re-infection.

Adım Adım Çözüm

1
Review the completed steps of the CompTIA 7-step malware removal process in the scenario.
The administrator has completed Step 1 (Identify symptoms), Step 2 (Quarantine infected system), Step 3 (Disable System Restore), and Step 4 (Remediate infected system by updating definitions and scanning/removing malware).
Determining the current phase of the remediation workflow identifies which step must follow next.
2
Identify the official fifth step of the CompTIA malware removal model.
Step 5 requires scheduling automatic anti-malware scans and installing/configuring operating system and security updates.
Scheduling scans and applying security patches ensures long-term system integrity before re-enabling System Restore or placing the system back into production.

Anahtar Kavram

CompTIA 7-Step Malware Removal Process Order
Soru 2796Soru →

A tier-2 IT support technician at a regional blood bank facility is troubleshooting a Windows 11 workstation used for donor registration. The system is exhibiting active malware symptoms, including unauthorized background network traffic and rogue system notifications. The technician has successfully identified the malware infection and isolated the workstation from the network. Which of the following actions should the technician take NEXT to prepare the machine for remediation prior to executing a full system scan? (Select TWO.)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Disable System Restore to prevent infected files from being saved in restore points.; Download the latest anti-malware definition updates on a clean computer and transfer them to the isolated system using removable media.

Cevap

The technician must disable System Restore to avoid preserving infected files in restore points and download updated anti-malware definitions on an uninfected machine to transfer them via removable media.
According to the CompTIA 7-step malware removal procedure, once a system has been identified as infected and isolated from the network, the next critical step (Step 3) is to disable System Restore. This action purges existing restore points so infected files cannot be restored later. Next, in Step 4 (Remediate), anti-malware signatures must be updated; since the system is disconnected from the network, signatures must be downloaded on an uninfected machine and transferred via removable media.

Adım Adım Çözüm

1
Review the CompTIA 7-step malware remediation process sequence
Determine that after Step 1 (Identify) and Step 2 (Isolate), the next immediate steps are Step 3 (Disable System Restore) and Step 4a (Update anti-malware signatures).
Following the standardized sequence prevents reinfection and ensures effective scanning.
2
Disable System Restore
System restore points are cleared so backups do not archive malicious payloads.
If malware is archived in a restore point, restoring the system later would reintroduce the threat.
3
Obtain updated malware signatures while isolated
Download definitions on a clean device and transfer them out-of-band via removable USB media.
The infected machine remains isolated from the network to prevent malware propagation while ensuring the anti-malware tool has current detection signatures.

Anahtar Kavram

CompTIA 7-Step Malware Removal Procedure - System Restore Disabling and Out-of-Band Definition Updates
Soru 2797Soru →

A technician is using the Windows Recovery Environment (WinRE) Command Prompt to resolve a boot failure caused by system file corruption on a Windows workstation. Place the troubleshooting and repair steps in the correct sequential order from first to last.

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct sequential order to repair corrupted system boot files using WinRE is: 1) Boot into WinRE and launch Command Prompt, 2) Run diskpart and list volume to confirm the Windows drive letter, 3) Execute chkdsk C: /f to fix file system corruption, 4) Run sfc /scannow with /offbootdir and /offwindir flags, and 5) Reboot the system to confirm normal startup.
The correct repair sequence begins by accessing the WinRE Command Prompt environment. Because WinRE reassigns drive letters dynamically, running diskpart and list volume is necessary to verify the OS partition letter. Running chkdsk repairs any underlying file system errors on the volume before running sfc /scannow with /offbootdir and /offwindir parameters to repair corrupted system files. Finally, rebooting the system confirms that the repair was successful.

Adım Adım Çözüm

1
Boot into Windows Recovery Environment (WinRE) and select Command Prompt.
Access to the administrative recovery CLI environment.
Offline troubleshooting tools must be executed outside the active operating system environment.
2
Execute diskpart and list volume.
Identifies the specific drive letter assigned to the main Windows volume in WinRE.
WinRE dynamically assigns volume letters, which may differ from the standard OS C: drive mapping.
3
Run chkdsk C: /f on the verified Windows volume.
Fixes file system structural corruption and metadata inconsistencies on the volume.
File system errors can cause System File Checker repair operations to abort or fail.
4
Run sfc /scannow with offline parameters matching the target system.
Scans and replaces missing or corrupted operating system system files.
Offline SFC requires explicitly defining the boot volume and Windows directory locations.
5
Restart the computer.
Loads Windows normally into the user login interface.
Validates that system file integrity is restored and the system boots cleanly.

Anahtar Kavram

Offline Windows System File Repair via WinRE Command Line
Tahmini Süre:1m 30s
Soru 2798Soru →

Following an unexpected power disruption, an office computer running Windows 10 fails to boot, presenting the message 'An operating system wasn't found.' A desktop support specialist boots the machine into the Windows Recovery Environment (WinRE) Command Prompt. The technician needs to scan all connected storage drives for installed Windows operating systems and rebuild the Boot Configuration Data (BCD) repository to restore startup functionality. Which command-line entry should the technician execute?

Cevabı ve açıklamayı göster

Cevap: bootrec /rebuildbcd

Cevap

The command 'bootrec /rebuildbcd' scans all connected disks for Windows installations and lets the technician add them to the BCD store.
The option specifying 'bootrec /rebuildbcd' is correct because it actively searches all connected storage volumes for Windows installations and prompts the user to add identified installations to the BCD store, which directly fixes missing operating system boot pointers.

Adım Adım Çözüm

1
Identify the cause of the startup failure
The 'An operating system wasn't found' error indicates missing or corrupted BCD boot entry references.
The system cannot locate the boot loader configuration needed to launch the OS.
2
Select the appropriate WinRE command-line utility and switch
Using bootrec with the /rebuildbcd parameter scans disks and provides an option to manually import found Windows installations.
This actively restores missing boot entries into the BCD repository.

Anahtar Kavram

Rebuilding the Windows Boot Configuration Data (BCD) store using Bootrec tools
Soru 2799Soru →

An IT support technician at a maritime shipping terminal is troubleshooting a Windows 11 workstation used for cargo container tracking. The workstation was isolated from the local network after exhibiting unauthorized background network connections and browser redirects. The technician has already disabled System Restore on the machine to prevent infected restoration files. Which of the following actions should the technician perform NEXT according to the standard CompTIA 7-step malware removal procedure?

Cevabı ve açıklamayı göster

Cevap: Update the anti-malware definitions and software engine using a clean external media source.

Cevap

Update the anti-malware definitions and software engine using a clean external media source.
Following the CompTIA 7-step malware removal process (1. Identify, 2. Isolate, 3. Disable System Restore, 4. Remediate, 5. Schedule scans/updates, 6. Enable System Restore, 7. Educate end user), the immediate next step after disabling System Restore is Step 4: Remediate infected systems. Remediation begins by updating anti-malware definitions and engine software (Step 4a) prior to scanning and executing removal techniques (Step 4b). Because the workstation is isolated from the network, transferring updated definitions via clean external media is the correct procedural action.

Adım Adım Çözüm

1
Identify the current step in the CompTIA 7-step malware removal framework.
The scenario confirms Step 1 (Identify symptoms), Step 2 (Isolate system), and Step 3 (Disable System Restore) have been completed.
Disabling System Restore ensures malicious files are not backed up or restored.
2
Determine the mandatory next action in the remediation sequence (Step 4).
Step 4 is 'Remediate infected systems', which begins with Step 4a: Update anti-malware definitions/software before scanning.
Scans are ineffective if conducted using outdated detection signatures.
3
Select the option representing Step 4a.
Updating anti-malware definitions via clean offline media directly matches Step 4a.
Since the machine is isolated from the network, definitions must be updated via clean external media or a controlled isolated source.

Anahtar Kavram

CompTIA 7-Step Malware Removal Procedure
Tahmini Süre:1m 0s
Soru 2800Soru →

An IT support technician is troubleshooting a desktop computer running Windows 10 that fails to start after an improper system shutdown. Immediately following the Power-On Self-Test (POST), the system displays a black screen with the message 'BOOTMGR is missing'. The technician boots the system into the Windows Recovery Environment (WinRE) Command Prompt and verifies that the boot loader file has been deleted from the active system partition. Which of the following commands should the technician execute to copy the missing boot environment files from the Windows system directory back to the active partition?

Cevabı ve açıklamayı göster

Cevap: bcdboot C:\Windows /s C:

Cevap

The command 'bcdboot C:\Windows /s C:' correctly repairs the startup issue by copying essential boot files, including BOOTMGR and a fresh Boot Configuration Data (BCD) structure, from the operating system directory onto the designated system volume.
The `bcdboot` command is specifically designed to quickly setup a boot partition or repair the boot environment. Running `bcdboot C:\Windows /s C:` copies the required system boot files—including BOOTMGR and the BCD store—from the Windows installation directory to the specified system volume.

Adım Adım Çözüm

1
Identify the cause of the boot failure.
The error 'BOOTMGR is missing' indicates that the primary boot loader binary is missing from the active boot volume.
Resolving this error requires placing a valid copy of the boot manager file back into the root of the active partition.
2
Select the appropriate utility to deploy boot environment files.
The BCDBoot command-line tool (`bcdboot`) is designed to copy system boot files from the Windows directory (`C:\Windows`) to the system partition (`/s C:`).
BCDBoot initializes the Boot Configuration Data store and copies BOOTMGR without needing a full OS reinstallation.
3
Execute the recovery command in WinRE Command Prompt.
Running `bcdboot C:\Windows /s C:` generates new boot files and replaces missing boot loader binaries.
This establishes the necessary boot environment for the computer to start normally.

Anahtar Kavram

Windows Boot Environment File Repair via BCDBoot
ÖncekiSayfa 140 / 178Sonraki
Tüm alıştırma soruları — CompTIA A+ (Core 1 & Core 2) | Examkin