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Question 141

Which Windows utility can be used to manage local user accounts and groups on a supported system?

1. Local Users and Groups
2. Disk Cleanup
3. Performance Monitor
4. Character Map

Correct Answer: 1

Explanation

Local Users and Groups provides administrative controls for managing local accounts and group memberships on supported Windows systems. A technician can use it to create or disable accounts, change membership, and review account properties. Group membership is particularly important because it can determine which resources and administrative functions a user can access. Technicians should assign users only the permissions required for their duties. On systems where this console is unavailable, account management may instead be performed through other Windows administrative interfaces or command-line tools.

Question 142

A Windows computer displays a message that an application cannot access a required file because permission is denied. What should the technician check first?

1. Monitor refresh rate
2. File and folder permissions
3. Printer toner level
4. Screen resolution

Correct Answer: 2

Explanation

When an application receives an access-denied message, the technician should verify the user’s permissions on the affected file or folder. Both NTFS permissions and, when applicable, share permissions can affect access to network resources. The technician should identify the account being used and determine whether the required permission is actually necessary. Permissions should not simply be granted broadly to solve the problem. Applying the minimum required access reduces security exposure while still allowing the application to function properly.

Question 143

Which Windows command can terminate a running process by its process ID?

1. tasklist
2. shutdown
3. taskkill
4. hostname

Correct Answer: 3

Explanation

The taskkill command can terminate a running Windows process by using its process ID or other supported identifiers. Technicians may first use tasklist or Task Manager to identify the problematic process. Forcefully terminating a process can cause unsaved work to be lost, so it should generally be used when normal application closing is unsuccessful or when the process is causing significant problems. Administrative privileges may be required for certain processes. The technician should document unusual or recurring process failures for further investigation.

Question 144

Which Windows tool provides a graphical view of CPU, memory, disk, and network resource usage?

1. Resource Monitor
2. Disk Management
3. Registry Editor
4. System Configuration

Correct Answer: 1

Explanation

Resource Monitor provides detailed information about system resource usage, including CPU, memory, disk activity, and network activity. It can help technicians investigate performance problems when Task Manager does not provide enough detail. For example, Resource Monitor can help identify processes generating significant disk activity or network connections. Technicians should compare resource usage with the user’s symptoms and workload rather than assuming that high utilization alone indicates a fault. A demanding application can legitimately consume substantial system resources.

Question 145

A user accidentally deleted an important file and needs an earlier version restored. Which Windows feature may provide previous versions of files when configured?

1. Device Manager
2. File History
3. Event Viewer
4. Windows Firewall

Correct Answer: 2

Explanation

File History can preserve versions of supported user files when it has been configured and the required backup location is available. It can allow users or technicians to recover an earlier version of a file after accidental modification or deletion. The feature should not be confused with System Restore, which focuses on system configuration and selected system files. Before restoring data, technicians should verify the correct file, version, and destination to avoid accidentally replacing a newer version that the user still needs.

Question 146

Which Windows command is commonly used to verify connectivity to a specific IP address or hostname?

1. ping
2. format
3. mkdir
4. del

Correct Answer: 1

Explanation

The ping command sends network diagnostic requests to a specified host and reports whether responses are received. It can help determine whether a device is reachable over an IP network and can provide basic latency information. A successful ping does not prove that every application or service on the destination is functioning because firewalls or service-specific problems may still exist. Likewise, a failed ping can result from filtering rather than complete network failure. Technicians should use ping alongside other diagnostic tests.

Question 147

A technician needs to view detailed information about installed hardware, system components, and the Windows environment. Which tool is most appropriate?

1. Notepad
2. System Information
3. Calculator
4. Disk Cleanup

Correct Answer: 2

Explanation

System Information provides detailed information about the Windows operating system, hardware resources, components, and software environment. It can help technicians collect configuration details before troubleshooting or upgrading a system. Information such as processor type, installed memory, BIOS details, drivers, and hardware resources may be available through this utility. Gathering these details can reduce unnecessary troubleshooting steps and help determine compatibility requirements. Technicians should record only information relevant to the support case and protect sensitive system details when required.

Question 148

Which Windows feature can automatically apply security and quality updates to the operating system?

1. Windows Update
2. Disk Management
3. Credential Manager
4. Task Manager

Correct Answer: 1

Explanation

Windows Update manages the delivery and installation of supported operating system updates. These updates can include security fixes, quality improvements, drivers, and other components depending on the Windows version and configuration. Keeping systems updated reduces exposure to known vulnerabilities and can also resolve software compatibility or reliability problems. Organizations may control update timing through policies and management tools. If an update fails, technicians should review available error information and update history rather than repeatedly forcing installation without identifying the underlying problem.

Question 149

A Linux technician wants to search for a specific word inside a text file. Which command is commonly used?

1. grep
2. reboot
3. chmod
4. pwd

Correct Answer: 1

Explanation

The grep command searches text for matching patterns and is widely used for examining configuration files, logs, and other text-based data in Linux. A technician can use it to quickly locate entries containing a particular word or pattern instead of manually reviewing a large file. Options can modify how matching is performed, such as ignoring letter case or searching recursively through directories. Care should be taken when constructing patterns because broad searches can produce large amounts of output.

Question 150

Which Linux command displays the current working directory?

1. cd
2. pwd
3. ls
4. touch

Correct Answer: 2

Explanation

The pwd command displays the full path of the current working directory in Linux. This is useful when a technician is working from a terminal and needs to confirm the exact directory before creating, modifying, moving, or deleting files. The cd command changes directories, while ls lists directory contents. Confirming the current location is an important safety step when executing administrative commands because similar filenames can exist in different directories. This simple verification can help prevent accidental changes to the wrong files.

Question 151

Which Linux command is used to change the ownership of a file or directory?

1. chown
2. chmod
3. grep
4. df

Correct Answer: 1

Explanation

The chown command changes the owner and, when specified, the group associated with a Linux file or directory. Ownership is an important component of Linux access control because file permissions are evaluated in relation to the owner, group, and other users. Changing ownership may require elevated privileges depending on the operation. Technicians should verify the intended owner and group before applying changes because incorrect ownership can prevent applications or users from accessing required resources.

Question 152

Which Windows recovery option is designed to repair certain startup problems without reinstalling the entire operating system?

1. Startup Repair
2. Disk Cleanup
3. Print Management
4. Registry Editor

Correct Answer: 1

Explanation

Startup Repair is a Windows recovery feature designed to diagnose and repair certain problems that prevent the operating system from starting correctly. It can be useful when Windows repeatedly fails during the boot process and the issue is related to supported startup components. It does not guarantee recovery from every type of failure, particularly when hardware or severe storage corruption is involved. Technicians should consider recent changes, error messages, and available recovery options before selecting the appropriate repair method.

Question 153

A user reports that a website opens by IP address but not by its domain name. Which service should the technician investigate?

1. DHCP
2. DNS
3. FTP
4. SMB

Correct Answer: 2

Explanation

DNS translates human-readable domain names into IP addresses. If a website can be reached directly by IP address but not by its domain name, name resolution is a strong area to investigate. The technician can check DNS server settings, cached records, and resolution behavior using appropriate diagnostic commands. The problem could involve the local computer, configured DNS server, or an upstream DNS service. Testing another known domain can help determine whether the problem is isolated to one destination or affects DNS resolution generally.

Question 154

Which Windows command can display active network connections and listening ports?

1. netstat
2. sfc
3. chkdsk
4. gpupdate

Correct Answer: 1

Explanation

The netstat command can display network connections, listening ports, and related network information. It is useful when technicians need to determine which connections are active or whether a service is listening on a particular port. Additional options can provide more detailed information depending on the troubleshooting requirement. Unexpected connections should be investigated carefully, especially on systems showing signs of compromise. However, a listening port alone does not prove malicious activity because legitimate applications and Windows services also require network ports.

Question 155

Which security principle gives users only the access required to perform their assigned duties?

1. Open access
2. Least privilege
3. Shared administration
4. Full control

Correct Answer: 2

Explanation

Least privilege means providing users, applications, and services only the permissions necessary to perform their intended functions. This principle limits the potential impact of compromised accounts, malicious software, and accidental changes. For example, a standard user generally should not receive administrator privileges unless a legitimate requirement exists. Technicians should regularly review permissions because job responsibilities can change. Least privilege is a foundational security practice that supports access control across operating systems, applications, networks, and cloud environments.

Question 156

A technician wants to prevent unauthorized users from installing applications with elevated privileges. Which approach is most appropriate?

1. Give every user local administrator rights
2. Disable all security updates
3. Use standard user accounts and controlled elevation
4. Share one administrator password with employees

Correct Answer: 3

Explanation

Using standard user accounts with controlled elevation reduces the ability of unauthorized users or applications to make privileged system changes. When administrative access is genuinely required, an approved elevation process can provide the necessary permissions without permanently giving the user full control. Giving every employee administrator rights increases the potential impact of malware and accidental configuration changes. Administrator credentials should also never be shared. Organizations can combine least privilege with application controls, endpoint security, and appropriate policies.

Question 157

Which backup type copies all selected data each time the backup is performed?

1. Differential
2. Incremental
3. Full
4. Snapshot-only

Correct Answer: 3

Explanation

A full backup copies all selected data during each backup operation. Because it contains the complete selected dataset, restoring from a full backup is generally straightforward compared with backup strategies that depend on multiple incremental sets. However, full backups can require more storage and take longer to perform. Organizations may combine full backups with incremental or differential backups to balance storage requirements, backup time, and restoration needs. The chosen strategy should match business requirements, retention policies, and recovery objectives.

Question 158

Which virtualization component provides the software layer that creates and manages virtual machines?

1. Hypervisor
2. File system
3. DNS resolver
4. Print spooler

Correct Answer: 1

Explanation

A hypervisor is the software or firmware layer responsible for creating and managing virtual machines. It allocates resources such as CPU, memory, storage, and network connectivity to virtualized operating systems. Type 1 hypervisors run directly on host hardware, while Type 2 hypervisors operate on top of a conventional host operating system. Virtualization allows multiple isolated operating environments to share physical resources. Technicians should consider available hardware resources and compatibility when deploying virtual machines.

Question 159

A technician receives a ticket describing a recurring application failure but containing very little information. What should the technician do first?

1. Replace the computer immediately
2. Close the ticket
3. Gather additional information from the user
4. Reinstall the operating system

Correct Answer: 3

Explanation

The technician should gather additional information before taking disruptive action. Useful details include the exact error message, when the problem occurs, recent changes, affected applications, frequency, affected users, and steps that reproduce the issue. Good questioning can identify whether the problem is isolated to one system or represents a broader incident. Replacing hardware or reinstalling an operating system without evidence can waste time and potentially cause data loss. Accurate information gathering creates a stronger foundation for the subsequent troubleshooting process.

Question 160

A technician is about to make a significant configuration change on a production computer. Which practice should be followed before making the change?

1. Skip documentation to save time
2. Make the change without authorization
3. Follow change-management procedures
4. Disable security controls permanently

Correct Answer: 3

Explanation

Change-management procedures help organizations control significant modifications to systems and reduce unexpected consequences. Before making a production change, technicians may need authorization, documentation, testing, scheduling, communication, and a rollback plan. These procedures help ensure that changes are traceable and that problems can be addressed if the modification causes an unexpected issue. Even when a change appears simple, following organizational procedures provides accountability and consistency. Emergency changes may follow a specialized process but should still be documented afterward.