Subnetting and IP Addressing Quiz

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

• /25

• /26

• /27

• /28

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

• 254

• 190

• 192

• 62

• 64

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

• 255.255.255.0

• 255.255.255.128

• 255.255.255.224​

• 255.255.255.240

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

• 16

• 8

• 2

• 1

• 4

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

• 255.255.255.248

• 255.255.224.0

• 255.255.240.0

• 255.255.255.0

• 255.255.255.192

Which statement is true about variable-length subnet masking?

• Each subnet is the same size.

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

• Subnets may only be subnetted one additional time.

• Bits are returned, rather than borrowed, to create additional subnets.

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

• To identify the broadcast address of the destination network

• To identify the host address of the destination host

• To identify faulty frames

• To identify the network address of the destination network

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

• 62

• 254

• 16

• 256

• 30

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

• 255.255.255.224

• 255.255.255.128

• 255.255.255.240

• 255.255.255.248

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

• Subnet portion

• Host portion

• Network portion

• Physical portion

• Logical portion