19.Network Layer: Logical Addressing

Identify the class of the following IPv4 address: 4.5.6.7.

• A
• B
• C
• none of the above

What is the first address of a block of classless addresses if one of the addresses is 12.2.2.76/10?

• 12.0.0.0
• 12.2.0.0
• 12.2.2.2
• none of the above

In IPv6, the___________ address is generally used by a normal host as a unicast address.

• provider-based unicast
• link local
• site local
• none of the above

Find the number of addresses in a block of classless addresses if one of the addresses is 12.2.2.7/24.

• 32
• 64
• 256
• none of the above

The number of addresses in a class C block is _______.

• 65,534
• 16,777,216
• 256
• none of the above

In classless addressing, the prefix length defines the _____________.

• netid
• hostid
• mask
• none of the above

What is the result of ANDing 255 and 15?

• 255
• 15
• 0
• none of the above

In IPv6, _______ address defines a single computer.

• a unicast
• a multicast
• an anycast
• none of the above

What is the result of ANDing 254 and 15?

• 254
• 14
• 0
• none of the above

An IPv6 address can have up to __________ colons.

• 8
• 7
• 4
• none of the above