A server running multiple virtual machines (VMs) under Windows Server starts experiencing sluggish performance. After reviewing system logs, you notice that memory usage is consistently high. Which action should you take first to troubleshoot the issue?

• Increase the swap file size.

• Use Task Manager to identify memory-hogging processes.

• Upgrade the physical memory (RAM) on the server.

• Restart the server to refresh system resources.

You are managing a Linux server, and users report that the server is unresponsive. Upon logging in, you see that the CPU usage is at 100%. Which tool should you use first to identify the issue?

• htop

• df

• ping

• nslookup

A user reports that they are unable to save large files to a USB drive. The drive is using the FAT32 file system. What should you do to resolve this?

• Format the drive to NTFS.

• Increase the page file size on the computer.

• Disable read-only attributes on the files.

• Run chkdsk on the drive to check for errors.

You need to provide temporary administrative rights to a user in Windows Server. Which approach should you use to ensure these rights are removed after a set period?

• Add the user to the Administrators group and manually remove them later.

• Use Group Policy to schedule a script to remove the user from the Administrators group.

• Grant the user administrative rights permanently.

• Use Task Scheduler to elevate privileges for specific tasks only.

You have discovered unauthorized access attempts to your Windows Server. What is the first step you should take to secure the system?

• Change all administrative passwords.

• Enable BitLocker encryption.

• Disable the network interface temporarily.

• Review security logs in the Event Viewer.

Your Windows Server is having issues with a newly installed network card. After installation, the card does not show up in the Network and Sharing Center. Which of the following should you do first?

• Update the server's BIOS.

• Reinstall the operating system.

• Use Device Manager to check for driver issues.

• Reboot the server in safe mode.

Your company is transitioning to IPv6, but clients are still using IPv4. How would you configure a Windows Server to handle DNS for both IPv4 and IPv6 clients?

• Configure a dual-stack DNS server that supports both protocols.

• Disable IPv4 to force all clients to switch to IPv6.

• Set up two separate DNS servers, one for IPv4 and one for IPv6.

• Install DHCP on the DNS server to assign IPv6 addresses.

A client wants to run both Linux and Windows environments simultaneously on the same server. Which virtualization solution should you implement?

• Dual-boot setup with GRUB.

• Install VMware or Hyper-V to virtualize the environments.

• Partition the disk and assign separate resources for each OS.

• Use Docker containers to run both environments.

A company's critical server was infected with ransomware. Fortunately, backups were in place. What is the first step to take before restoring from backup?

• Reinstall the operating system.

• Format the drives and restore from backup.

• Isolate the server from the network and scan for malware.

• Restore files directly from backup without reformatting.

You are monitoring a server and notice high disk I/O activity. Which tool would you use to diagnose which processes are responsible for the disk activity?

• Task Manager

• Resource Monitor

• Event Viewer

• Performance Monitor