CompTIA Network+: IPv4 Network Addressing

 

Question:

Which address is always used for the loopback address in IPv4?

• 127.0.0.1

Question

:

If you discover that your client device has an IP address configured by APIPA, what is the most likely reason?

• Your client was unable to contact a DHCP server

Question

:

How many hosts per network can be addressed in a class A network with a subnet mask of 255.255.255.0?

Answer B.

• 256

Question

:

What is the last address of the first subnet if your IP configuration is 192.168.0.0/26?

• 192.168.0.63

Question

:

Which addresses would be in the class C IP range?

• 194.100.10.1

• 223.100.150.5

Question

:

If host 1 has an IP address of 192.168.0.100, and host 2 has an IP address of 192.168.3.100, which subnet mask would be required for them to be able to communicate without a router?

• 255.255.252.0

Question

:

What is the CIDR notation for a class B network if the subnet mask is 255.255.240.0?

• 172.16.0.0/20

Question

:

If there are 8 bits available to address host systems on a network, how many possible addresses are there?

• 256

Question

:

Which IPv4 addresses could be used as private addresses?

• 10.10.1.10

• 192.168.1.1

Question

:

RFC 1918 and internal IP addresses came about for which primary reason?

• To prevent the exhaustion of the public IP address space

Question

:

A subnet mask of 255.255.255.192 on a class C network creates how many subnets?

• 4

Categories: CompTia Network+