Linux+ Practice Quiz: XK0-004 Quiz 9

1. Which of the following configuration files holds the name of the host?

• /etc/hosts
• .rhosts
• /etc/hostname
• /etc/networks

2. Your ISP has changed the IP addresses of their DNS servers.

What would you need to do on your Linux system to still be able to continue resolving host and fully qualified domain names if you use statically assigned IP address information?

• Enter the IP addresses of the new DNS servers into the /etc/resolv.conf file.
• Update the DNS entries listed in the /etc/sysconfig/network file.
• Update the DNS entries listed in the /etc/sysconfig/network-scripts/ifcfg-eth0 file.
• Enter the IP addresses of the new DNS servers into the /etc/hosts file.

3. Anna, a system administrator, created a new virtual machine that she would like to provision on additional hypervisors. Which of the following will provide a VM template that is open and can be used by hypervisors from different vendors?

• .vmdk
• .vmx
• OVF
• XEN

4. Which of the following describe an OVA (open virtual appliance or application) file?

• Provides a single file that archives all the files that make up an OVF using TAR.
• Provides a template that can be imported into a VM guest OS providing a deployed application.
• Encapsulates the entire type-1 hypervisor environment into a single file.
• It is the container that holds a type-1 hypervisor.

5. You are currently logged in using the badams account. You want to view the contents of the /etc/inittab file, but you are not allowed to with the badams account. Which command could you use to view the file?

• su cat /etc/inittab
• sudo "cat /etc/inittab"
• sudo -f /etc/inittab cat
• su -c "cat /etc/inittab" -l

6. A number of remote users call to say that they cannot connect via SSH today. When you look at the processes, you see that the daemon is not running. Which command would you use to solve this problem?

• ssh start
• inetd ssh
• /etc/inetd/ssh start
• /etc/rc.d/init.d/sshd start

7. You need to connect to a remote system whose host name is abc.def.com and execute a shell script called daily-backup.sh that backs up some files. The username that has permissions to execute that script is bubba.

Which command should you run to make the connection?

• ssh abc.def.com:bubba
• netstat abc.def.com bubba
• ssh -l bubba abc.def.com
• ping abc.def.com:bubba

8. Which of the following network services or protocols uses TCP/IP port 22?

• TFTP
• SSH
• NNTP
• IMAP4

9. You recently used the HOST=FS4 command.

Which of the following commands should you use to change the HOST variable to a global variable that will be inherited by subsequent child shells and processes?

• set HOST
• unset HOST
• env HOST
• export HOST

10. You need to set the COMP variable to the value 1745. Which of the following commands sets the variable so it is inherited by subsequent child shells?

• export COMP=1745
• set COMP to 1745
• set COMP=1745
• COMP=1745