Module 11 - IPv4 Addressing

What is the prefix length notation for the subnet mask 255.255.255.224?

/27

If a network device has a mask of /28, how many IP addresses are available for hosts on this network?

14

What subnet mask is represented by the slash notation /20?

255.255.240.0

Which subnet mask would be used if 5 host bits are available?

255.255.255.224

Which subnet mask would be used if exactly 4 host bits are available?

255.255.255.255.240

A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.224. How many usable host addresses will this subnet provide?​

30

How many usable IP addresses are available on the 192.168.1.0/27 network?

30

A network administrator subnets the 192.168.10.0/24 network into subnets with /26 masks. How many equal-sized subnets are created?

4

How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?

62

If a network device has a mask of /26, how many IP addresses are available for hosts on this network?

62

What does the IP address 172.17.4.250/24 represent?

host address

Which two parts are components of an IPv4 address? (Choose two.)

host portion network portion

What is the purpose of the subnet mask in conjunction with an IP address?

to determine the subnet to which the host belongs

Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?

to identify the network address of the destination network

Which statement is true about variable-length subnet masking?

The size of each subnet may be different, depending on requirements