A user's application only works with a legacy version of the OS. The OS is reaching its end of life date. For security reasons, the company is migrating to the current version of the OS. Which of the following is the most efficient way to complete the migration while maintaining accessibility to the application?
A. Terminal server
B. Bare-metal server
C. Multiboot
D. Virtualization
Show Answer
Correct Answer: D
Explanation: Virtualization allows the organization to run the legacy operating system and application inside an isolated virtual machine while the host system runs the current, supported OS. This maintains access to the legacy application, improves security through isolation, and avoids the inefficiencies and risks of multibooting, terminal servers, or maintaining separate bare-metal systems.
Question 71
A technician completes the installation of an OS that appears to be successful. However, when the technician removes the USB drive that was used for the installation and restarts the system, the following error appears:
No OS found.
Which of the following should the technician do next to resolve the issue?
A. Reinstall the OS from a new ISO image.
B. Enable UEFI devices in the BIOS.
C. Restart in recovery mode and troubleshoot.
D. Install the storage drivers for the motherboard.
E. Reseat the SATA cable.
Show Answer
Correct Answer: B
Explanation: The OS installation completed successfully, but the system cannot find a bootable OS once the USB installer is removed. This commonly occurs when the OS was installed in UEFI mode but the system firmware is set to Legacy/CSM, or UEFI boot devices are disabled. Enabling UEFI devices in the BIOS allows the firmware to detect the existing bootloader on the drive. Other options would not typically cause a complete "No OS found" error immediately after a successful install.
Question 72
A technician is 3-D printing high strength, carbon fiber-based filament parts for a customer order. Which of the following is the most important for the technician to use?
A. Steel-toed boots
B. Air filter mask
C. ESD mat
D. Antistatic bags
Show Answer
Correct Answer: B
Explanation: Carbon fiber–based 3D printing filaments can release fine particulates and airborne fibers during printing and post-processing, which pose inhalation and respiratory risks. An air filter mask provides necessary respiratory protection, whereas steel-toed boots, ESD mats, and antistatic bags address unrelated hazards.
Question 73
A user’s computer is able to access resources on the corporate network but is unable to access internet web pages with a browser. Which of the following is most likely the reason?
A. IP address conflict
B. Missing proxy settings
C. Incorrect subnet mask
D. Disconnected Ethernet cable
Show Answer
Correct Answer: B
Explanation: Because the computer can access internal corporate resources, the physical connection, IP address, and subnet mask are functioning correctly. In many corporate environments, internet access requires a configured web proxy. If the proxy settings are missing or incorrect, web browsers cannot reach internet sites while local network access still works.
Question 74
Which of the following authentication methods is the best way to prevent users from frequently entering their credentials?
A. Access control list
B. Single sign-on
C. Multifactor authentication
D. One-time password
Show Answer
Correct Answer: B
Explanation: Single sign-on (SSO) allows a user to authenticate once and then access multiple systems or applications without re-entering credentials, directly addressing the goal of reducing frequent credential entry. The other options either do not handle authentication convenience (ACL), add additional steps (multifactor authentication), or require repeated credential use (one-time passwords).
Question 75
A user decides to switch to Windows from Linux and is trying to migrate data using an external USB hard disk. However, when the user connects the cable to the Windows machine, an error message appears stating the device must be formatted before it can be used. The hard disk works as expected when connected to the Linux machine. Which of the following should the user do to resolve this issue?
A. Configure Windows firewall to allow data from Linux systems.
B. Replace the cable with Windows-supported hardware.
C. Apply a firmware update from the PC manufacturer.
D. Update the file allocation system to exFAT.
Show Answer
Correct Answer: D
Explanation: The external hard disk is formatted with a file system supported by Linux but not natively readable by Windows, which causes Windows to prompt for formatting. Reformatting or converting the drive to a cross-platform file system such as exFAT allows both Linux and Windows to access the data without errors. The other options do not address file system compatibility.
Question 76
A user receives a push notification to approve or deny a log-in request when using MFA. Which of the following describes this security measure?
A. One-time password
B. Zero Trust model
C. Authenticator application
D. Privileged access management
Show Answer
Correct Answer: C
Explanation: A push notification asking the user to approve or deny a login request is characteristic of an authenticator application used for MFA. Authenticator apps generate or receive verification prompts tied to the user's identity. A one-time password is just a code, Zero Trust is a security architecture model, and privileged access management controls elevated accounts rather than login approval prompts.
Question 77
A user reports that their corporate mobile phone is lost. Which of the following protects the data locally on the phone from unauthorized access?
A. Password manager
B. Degaussing
C. Remote wipe
D. Antivirus
Show Answer
Correct Answer: C
Explanation: A remote wipe allows the organization to erase data stored on the lost mobile phone, preventing unauthorized access to local data. Password managers and antivirus do not prevent access to stored data if the device is lost, and degaussing applies to magnetic media, not mobile phones.
Question 78
A user wants to dispose of a failed hard drive in a way that ensures the data is unrecoverable. Which of the following is the best at-home method?
A. Standard formatting
B. Low-level formatting
C. Shredding
D. Degaussing
E. Drilling
Show Answer
Correct Answer: E
Explanation: Standard or low-level formatting does not reliably prevent data recovery. Degaussing and shredding are effective but typically require specialized or professional equipment not available at home. Physically drilling through the hard drive platters is a practical at-home method that renders the data unrecoverable.
Question 79
A technician must map a network drive on a piece of legacy equipment running an end-of-life OS. Which of the following is the best script to map the drive using simple Windows commands?
A. Shell
B. Batch
C. VB
D. Java
Show Answer
Correct Answer: B
Explanation: On legacy, end-of-life Windows systems, simple native commands like `net use` are best executed via a batch (.bat) script. Batch files are universally supported on Windows, require no additional runtimes, and are ideal for straightforward tasks such as mapping network drives. Shell scripts are Unix-based, and VB or Java introduce unnecessary dependencies.
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