Chapter 3

Question 1

On the Internet and most LANs, connectionless protocols are used for the majority of data transfers.
True or False?

Answer 1

False

Question 2

Internet Protocol version 4 (IPv4), or just IP, is a Transport layer protocol that provides source and destination addressing and routing for the TCP/IP suite.
True or False?

Answer 2

False

Question 3

Class A addresses are intended for use by large corporations and governments.
True or False?

Answer 3

True

Question 4

One major benefit of using DHCP is the ease with which computers can be moved.
True or False?

Answer 4

True

Question 5

____ is the TCP/IP protocol responsible for reliable delivery of data.

Answer 5

TCP

Question 6

____ is a nonroutable protocol.

Answer 6

NetBEUI

Question 7

IP is a ____ protocol.

Answer 7

Connectionless

Question 8

____ is a Network layer protocol used to resolve a logical (IP) address to a physical (MAC) address.

Answer 8

ARP

Question 9

TCP is a(n) ____ protocol.

Answer 9

Connection-Oriented

Question 10

____ uses TCP as its transport protocol.

Answer 10

HTTP

Question 11

____ is a name-to-address resolution protocol that functionally operates at the Session layer of the OSI model.

Answer 11

DNS

Question 12

An IP address is divided into two distinct parts: one part designates the logical network the computer is a part of, while the remainder of the address represents the ____.

Answer 12

Host ID

Question 13

Class ____ addresses begin with network IDs between 128 and 191.

Answer 13

B

Question 14

The reserved name localhost always corresponds to the IP address ____.

Answer 14

127.0.0.1

Question 15

A subnet mask is a ____-bit number that’s always assigned to a host when the IP address is assigned.

Answer 15

32

Question 16

The default Class C subnet mask is ____.

Answer 16

255.255.255.0

Question 17

An IPv6 address is ____ bits long.

Answer 17

128

Question 18

____ is an example of an IPv6 address.

Answer 18

2001:260::2ed3:340:ab

Question 19

Which of the following protocols works with sequence numbers and sliding windows?

Answer 19

TCP

Question 20

Which of the following protocols enables packets to be routed on LANs and WANs?

Answer 20

IP

Question 21

Which of the following fields in an IP packet header contains information that prevents a packet from continuously circulating around a network.

Answer 21

TTL

Question 22

If you have generated the IP address 165.100.18.44/17 by using CIDR, what is the number of bits used for the host identifier.

Answer 22

18

Question 23

The __________ Transport layer protocol is used by network applications that do not require the same level of reliability as offered by TCP.

Answer 23

UDP