C1 Quiz 2

What is the default subnet mask for a Class B network in classful network addressing?

• 255.0.0.0

• 255.255.0.0

• 255.255.255.0

• 255.255.255.255

Which of the following prefix lengths represents a valid subnet mask?

• /10

• /48

• /64

• /255

Given the IPv4 address 172.16.25.134 with subnet mask 255.255.0.0, what is the network address?

• 172.0.0.0

• 172.16.0.0

• 172.16.25.0

• 172.16.25.134

Which logic operation is used to find the network address of an IPv4 address?

• OR

• AND

• XOR (Exclusive OR)

• NAND (NOT AND)

In a subnet mask of 255.255.255.0, what is the total number of host addresses that can be assigned to devices in the subnet?

• 256

• 254

• 128

• 255

Convert the binary IPv4 address 11011011.11100001.00101010.01010101 to dot-decimal format.

• 219.225.42.85

• 219.209.42.85

• 219.209.32.85

• 219.225.32.85

Which of the following subnet masks is valid?

• 255.255.255.192

• 255.255.255.120

• 255.255.255.256

• 255.255.250.0

Convert the IPv4 address 192.168.1.10 to its binary equivalent.

• 11000000.10101000.00000001.00001010

• 11001010.10101000.00000001.00001010

• 11000000.10101000.00000010.00011010

• 11001010.10101000.00000010.00011010

In the IPv4 address 192.168.1.101 with subnet mask 255.255.255.0, what is the network address?

• 192.168.1.0

• 192.168.0.0

• 192.0.0.0

• 192.168.1.101

For the IPv4 address 10.20.30.40 with subnet mask 255.255.255.192, what is the network address?

• 10.20.30.0

• 10.20.30.32

• 10.20.30.64

• 10.20.30.128