What is the most frequently used communications protocol?

• IPv4

• IPv6

• IPv8

• IPv10

How many classes of IP addresses are there?

• 2

• 3

• 4

• 5

Which octet determines the class of an IP address?

• First

• Second

• Third

• Fourth

What class is this IP address? 10.10.10.0

• A

• B

• C

• D

What class is the following IP address? 220.10.10.35

• A

• B

• C

• D

Which class of network addresses is used by government, ISPs and large universities.

• Class A

• Class B

• Class C

• Class D

Which description below is a Class C network address?

• network. host. host.host

• network.network.host.host

• network.network.network.host

What type of IP addresses are manually assigned?

• Dynamic

• Static

What is the default subnet mask for a Class A ip address?

• 255.0.0.0

• 255.255.0.0

• 255.255.255.0