Chapter 13

Question 1

binary mask

Answer 1

An IPv4 subnet mask written as a 32-bit binary number.

Question 2

CIDR mask

Answer 2

Another term for a prefix mask, one that uses prefix or CIDR notation, in which the mask is represented by a slash (/) followed by a decimal number.

Question 3

classful addressing

Answer 3

classful addressing
A concept in IPv4 addressing that defines a subnetted IP address as having three parts: network, subnet, and host.

Question 4

classless addressing

Answer 4

A concept in IPv4 addressing that defines a subnetted IP address as having two parts: a prefix (or subnet) and a host.

Question 5

decimal mask

Answer 5

An IPv4 subnet mask written in dotted-decimal notation; for example, 255.255.255.0.

Question 6

dotted-decimal notation (DDN)

Answer 6

The format used for IP version 4 addresses, in which four decimal values are used, separated by periods (dots).

Question 7

prefix mask

Answer 7

A term to describe an IPv4 subnet mask when represented as a slash (/) followed by a decimal number. The decimal number is the number of binary 1s in the mask.