NOS 120 Study Guide Ch. 12 UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
When connecting to a host via SSH for the first time, the known_hosts
user is prompted to accept the encryption fingerprint for
the target computer which is stored in ____ in the
~/.ssh/ directory.
Which of the following are valid statements in the nameserver 10.1.1.4
/etc/resolv.conf file? (Choose two.) domain comptia.org
Select one or more:
a. 10.1.15.60 server10
b. domain comptia.org
c. nameserver 10.1.1.4
d. order hosts, bind
Which of the following ports would be used to resolve a 53
domain name to an IP address?
Select one:
a. 23
b. 443
c. 53
d. 69
, Upon running the ifconfig command, the IP address is /27
listed along with the subnet mask in dotted decimal
notation listed as 255.255.255.224. You have installed a
remote access software that has an address field that
requires the address to be configured in CIDR notation.
Which of the following is the equivalent CIDR notation for
the subnet mask listed?
Select one:
a. /24
b. /28
c. /27
d. /23
Which of the following commands will show active UDP netstat -u
connections on a Linux system? (Choose all that apply.)
Select one or more:
a. netstat -t udp
b. netstat -u
c. netstat udp
d. netstat --udp
Which of the following is a valid APIPA address? 169.254.38.101
Select one:
a. 169.254.38.101
b. 192.168.1.17
c. 127.0.0.1
d. 10.11.12.13
The system administrator has shut ethernet interface eth0 ifup eth0
down while making some changes to the system. Which
of the following commands can they use to bring the
network connection back up?
Select one:
a. int eth0 up
b. interface eth0 --status up
c. ifup eth0
d. netctl eth0 up
Which of the following commands can be used to display ss
socket information out to the terminal screen?
Select one:
a. woolsocks
b. opensocks
c. ss
d. sstat
Which of the following can be used to graphically VNC
remotely administer a Linux machine?
Select one:
a. VNC
b. Telnet
c. RDP
d. FTP
ANSWERS
When connecting to a host via SSH for the first time, the known_hosts
user is prompted to accept the encryption fingerprint for
the target computer which is stored in ____ in the
~/.ssh/ directory.
Which of the following are valid statements in the nameserver 10.1.1.4
/etc/resolv.conf file? (Choose two.) domain comptia.org
Select one or more:
a. 10.1.15.60 server10
b. domain comptia.org
c. nameserver 10.1.1.4
d. order hosts, bind
Which of the following ports would be used to resolve a 53
domain name to an IP address?
Select one:
a. 23
b. 443
c. 53
d. 69
, Upon running the ifconfig command, the IP address is /27
listed along with the subnet mask in dotted decimal
notation listed as 255.255.255.224. You have installed a
remote access software that has an address field that
requires the address to be configured in CIDR notation.
Which of the following is the equivalent CIDR notation for
the subnet mask listed?
Select one:
a. /24
b. /28
c. /27
d. /23
Which of the following commands will show active UDP netstat -u
connections on a Linux system? (Choose all that apply.)
Select one or more:
a. netstat -t udp
b. netstat -u
c. netstat udp
d. netstat --udp
Which of the following is a valid APIPA address? 169.254.38.101
Select one:
a. 169.254.38.101
b. 192.168.1.17
c. 127.0.0.1
d. 10.11.12.13
The system administrator has shut ethernet interface eth0 ifup eth0
down while making some changes to the system. Which
of the following commands can they use to bring the
network connection back up?
Select one:
a. int eth0 up
b. interface eth0 --status up
c. ifup eth0
d. netctl eth0 up
Which of the following commands can be used to display ss
socket information out to the terminal screen?
Select one:
a. woolsocks
b. opensocks
c. ss
d. sstat
Which of the following can be used to graphically VNC
remotely administer a Linux machine?
Select one:
a. VNC
b. Telnet
c. RDP
d. FTP
