ITN (VERSION 7.00) - IP ADDRESSING
EXAM QUESTIONS WITH VERIFIED
ANSWERS. A+ GRADE 2025/2026.
A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The
company wants to create two subnetworks that would contain 10 hosts and 18 hosts
respectively. Which two networks would achieve that? (Choose two.) - ANS 192.168.1.64/27
192.168.1.96/28
How many bits must be borrowed from the host portion of an address to accommodate a
router with five connected networks? - ANS three
Refer to the exhibit. An administrator must send a message to everyone on the router A
network. What is the broadcast address for network 172.16.16.0/22? - ANS 172.16.19.255
How many host addresses are available on the 192.168.10.128/26 network? - ANS 62
How many host addresses are available on the network 172.16.128.0 with a subnet mask of
255.255.252.0? - ANS 1022
Which address prefix range is reserved for IPv4 multicast? - ANS 224.0.0.0 - 239.255.255.255
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Refer to the exhibit. Considering the addresses already used and having to remain within the
10.16.10.0/24 network range, which subnet address could be assigned to the network
containing 25 hosts? - ANS 10.16.10.64/27
192.168.1.68 - ANS 192.168.1.64/27
192.168.1.48 - ANS 192.168.1.32/27
192.168.1.121 - ANS 192.168.1.96/27
A site administrator has been told that a particular network at the site must accommodate 126
hosts. Which subnet mask would be used that contains the required number of host bits? -
ANS 255.255.255.128
Which three addresses are valid public addresses? (Choose three.) - ANS 198.133.219.17
64.104.78.227
128.107.12.117
A high school in New York (school A) is using videoconferencing technology to establish student
interactions with another high school (school B) in Russia. The videoconferencing is conducted
between two end devices through the Internet. The network administrator of school A
configures the end device with the IP address 209.165.201.10. The administrator sends a
request for the IP address for the end device in school B and the response is 192.168.25.10.
Neither school is using a VPN. The administrator knows immediately that this IP will not work.
Why? - ANS This is a private IP address.
Refer to the exhibit. An administrator is trying to troubleshoot connectivity between PC1 and
PC2 and uses the tracert command from PC1 to do it. Based on the displayed output, where
should the administrator begin troubleshooting? - ANS R1
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
EXAM QUESTIONS WITH VERIFIED
ANSWERS. A+ GRADE 2025/2026.
A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The
company wants to create two subnetworks that would contain 10 hosts and 18 hosts
respectively. Which two networks would achieve that? (Choose two.) - ANS 192.168.1.64/27
192.168.1.96/28
How many bits must be borrowed from the host portion of an address to accommodate a
router with five connected networks? - ANS three
Refer to the exhibit. An administrator must send a message to everyone on the router A
network. What is the broadcast address for network 172.16.16.0/22? - ANS 172.16.19.255
How many host addresses are available on the 192.168.10.128/26 network? - ANS 62
How many host addresses are available on the network 172.16.128.0 with a subnet mask of
255.255.252.0? - ANS 1022
Which address prefix range is reserved for IPv4 multicast? - ANS 224.0.0.0 - 239.255.255.255
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, Refer to the exhibit. Considering the addresses already used and having to remain within the
10.16.10.0/24 network range, which subnet address could be assigned to the network
containing 25 hosts? - ANS 10.16.10.64/27
192.168.1.68 - ANS 192.168.1.64/27
192.168.1.48 - ANS 192.168.1.32/27
192.168.1.121 - ANS 192.168.1.96/27
A site administrator has been told that a particular network at the site must accommodate 126
hosts. Which subnet mask would be used that contains the required number of host bits? -
ANS 255.255.255.128
Which three addresses are valid public addresses? (Choose three.) - ANS 198.133.219.17
64.104.78.227
128.107.12.117
A high school in New York (school A) is using videoconferencing technology to establish student
interactions with another high school (school B) in Russia. The videoconferencing is conducted
between two end devices through the Internet. The network administrator of school A
configures the end device with the IP address 209.165.201.10. The administrator sends a
request for the IP address for the end device in school B and the response is 192.168.25.10.
Neither school is using a VPN. The administrator knows immediately that this IP will not work.
Why? - ANS This is a private IP address.
Refer to the exhibit. An administrator is trying to troubleshoot connectivity between PC1 and
PC2 and uses the tracert command from PC1 to do it. Based on the displayed output, where
should the administrator begin troubleshooting? - ANS R1
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
