Linux Essentials Chapter 12 Exam Answer 2016

1. Which of the following would be considered a host?

• A CDROM
• The computer’s hard drive
• A network cable
• A printer attached to the network via an IP address

2. A service is…

• …another name for a computer’s hostname.
• …a feature provided by one computer to another.
• …a file that contains configuration information.
• …like an IP address.

3. A network packet contains …. (choose two)

• …the name of the router.
• …the IP address of the source machine.
• …a hard drive partition.
• …the IP address of the destination machine.

4. Only servers have hostnames.. True or False?

• True
• False

5. Which of the following protocols defines how network communication functions?

• TCP/IP
• SSH
• DHCP
• DNS

6. Which of the following are valid IPv4 addresses?. (choose two)

• 192.105.10.10
• 192.105.10.10.2
• 192.301.25.25
• 10.33.55.77

7. The name of the primary wired network devices is ether0.. True or False?

• True
• False

8. Which of the following commands will display your machine’s IP address?

• ipconfig
• dig
• ifconfig
• route

9. Which of the following commands will display the routing table?. (choose two)

• netstat -r
• dig
• ifconfig
• route

10. Which of the following commands will allow you to log into a remote machine?

• route
• ssh
• dig
• netstat

11. What option to the netstat command has information shown as numbers rather than names?

• –name
• -r
• -n
• -t

12. Which of the following commands will allow you to log into the machine server1 with the account name nick?

• ssh nick->server1
• ssh nick&server1
• ssh nick-server1
• ssh nick@server1

13. The RSA key fingerprint allows the dig command to connect to remote systems.. True or False?

• True
• False