Linux+ Practice Quiz: XK0-004 Quiz 10

1. You are the system administrator of a test lab that uses the Linux operating system. For security reasons, your lab is not connected to the corporate network. Therefore, you are not able to resolve host names via the corporate DNS server. You want to be able to connect to the lab computers using hostnames, but you do not have the resources to bring up your own DNS server.

Which of the following solutions would satisfy your requirements?

• Use a DNS relay agent to forward your DNS requests to the outside world.
• Enter the IP addresses and hostnames for all of the lab computers in the /etc/hostsfile on each of the machines in the lab.
• Configure the lab machines to use broadcast name resolution.
• Enter the IP addresses and hostnames for all of the lab computers in the /etc/lmhostsfile on each of the machines in the lab.

2. You open the /etc/nsswitch.conf file and observe the following line:

hosts: files dns

What is the result of this configuration?

• DNS server information takes precedence over the configuration in the information/etc/hosts file.
• The /etc/hosts file sends configured IP information to the local DNS server.
• The /etc/hosts file takes precedence over information obtained from a DNS server when resolving domain names.
• The /etc/resolv.conf file is populated by the local files on the system.

3. You need the DNF utility to check specific URLs for RPM repositories.

Which of the following locations should you add the URLs to?

• In .repo files within the /etc/yum.conf file.
• In .repo files within the /var/usr/yum.log file.
• In .repo files within the /etc/yum.repos.d/ directory.
• In .repo files within the /var/lib/rpm directory.

4. You are the administrator for a small company. You need to create a new group for users in the sales department. You need to name the group sales. Which command will accomplish this task?

• addgroup -x sales
• addgroup sales
• groupadd -r sales
• groupadd sales

5. Which of the following represent a cluster of NTP time providers?

• pool.ntp.org
• /etc/ntp.conf
• /var/log/ntp
• server 127.127.1.0

6. Your company recently setup a VPN and wants to use a digital certificate for authentication instead of a pre-shared key.

Which of the following server roles would allow the company to provide this functionality internally instead of using an external provider?

• Name server
• SSH
• Certificate Authority
• SNMP

7. You need to restore a file, yearend.xls, from the archive 013004.tar.gz in the backup directory. The file needs to be restored to /home/accounting. Which command will perform the restore?

• extract -xzvf /backup/013004.tar.gz /home/accounting/yearend.xls
• tar -xzvf /backup/013004.tar.gz /home/accounting/yearend.xls
• tar -xvf /backup/013004.tar.gz /home/accounting/yearend.xls
• unzip -xzvf /backup/013004.tar.gz /home/accounting/yearend.xls

8. You want to archive some configuration files to the floppy drive. You are using the cpio utility. Which line will create the archive on the floppy?

• ls /etc/*.conf | cpio -ovd > /dev/rfd0
• cpio -ov /dev/rfd0 /etc/*.conf
• cpio -cv /etc/*.conf /dev/rfd0
• cpio -ov /etc/*.conf /dev/rfd0

9. Which of the following commands would display this output?

Frank said, "Linux is fun!"

• echo Frank said, "Linux is fun\!"
• echo Frank said, "Linux is fun!"
• echo "Frank said," "Linux is fun!"
• echo Frank said, \"Linux is fun\!\"

10. A technician wants to obtain the ABRT repository from a git online service. Which of the following commands should be used?

• git clone git@github.com:abrt/abrt.git
• git add git@github.com:abrt/abrt.git
• git init git@github.com:abrt/abrt.git
• git push git@github.com:abrt/abrt.git