Which of the following best describes an IP address?

• A text-based label for a file

• A numerical label for a device

• A security code for a user account

• A routing table entry in a switch

Which version of IP uses 32-bit numeric addresses?

• IPv6

• IPv5

• IPv4

• IPv3

Which IP version uses hexadecimal numbers separated by colons?

• IPv3

• IPv4

• IPv5

• IPv6

Which class does the IP address 10.1.2.3 belong to?

• Class B

• Class A

• Class D

• Class C

Which class does the IP address 172.16.5.10 belong to?

• Class C

• Class E

• Class A

• Class B

Which class does the IP address 192.168.1.15 belong to?

• Class D

• Class C

• Class B

• Class A

Which class of IP addresses is used for multicast?

• Class D

• Class B

• Class C

• Class E

Which class of IP addresses is reserved for experimental use?

• Class B

• Class D

• Class A

• Class E

What is the default subnet mask of a Class B network?

• 255.0.0.0

• 255.255.255.0

• 255.255.0.0

• 255.255.255.255

Which of the following IP addresses is a private Class A address?

• 10.25.5.7

• 8.8.8.8

• 172.15.0.1

• 192.0.0.1