Chapter 9 Quiz

Question 1

In classful addressing, Class C IPv4 address host information is located in the ____.
last 8 bits
last 16 bits
first 8 bits
first 16 bits

Answer 1

last 8 bits

Question 2

On a network using TCP/IP, some nodes may use multiple IP addresses. T/F

Answer 2

True

Question 3

A program similar to mtr, ____, is available as a command-line utility in Windows operating systems.
nbstat
pathping
dig
route

Answer 3

pathping

Question 4

A class ____ network class is reserved for special purposes.
A
B
C
D

Answer 4

D

Question 5

The result from ANDing 11001111 with 10010001 is ____.
11001111
10010001
10000001
00000001

Answer 5

10000001

Question 6

An administrator can discover the host name assigned to a client by using the ____ utility.
host
nbstat
hostname
nslookup

Answer 6

hostname

Question 7

POP3 (Post Office Protocol, version 3) relies on TCP and operates over port ____.
25
11
110
250

Answer 7

110

Question 8

The most popular mail server programs are Sendmail and ____.
Eudora
Microsoft Outlook
AOL mail
Microsoft Exchange Server

Answer 8

Microsoft Exchange Server

Question 9

Within a classful addressing, ____ is the default subnet mask for a Class C address.
255.255.255.255
255.255.255.0 (C)
255.255.0.0 (B)
255.0.0.0 (A)

Answer 9

255.255.255.0

Question 10

The ____ gateway is the gateway that first interprets its outbound requests to other subnets, and then interprets its inbound requests from other subnets.
proxy
core
Internet
default

Answer 10

default

Question 11

CIDR notation takes the form of the network ID followed by a(n) ____, followed by the number of bits that are used for the extended network prefix.
dash ( - )
underscore ( _ )
backward slash ( \ )
forward slash ( / )

Answer 11

forward slash ( / )

Question 12

The gateways that make up the Internet backbone are called ____ gateways.
proxy
core
Internet
default

Answer 12

core

Question 13

When using classful IPv4 addressing, a network ID always ends with an octet of ____.
0
00000000
1
255

Answer 13

0

Question 14

In classful addressing, the Class B IPv4 address network ID is located in the ____.
last 8 bits
last 16 bits
first 8 bits
first 16 bits

Answer 14

first 16 bits

Question 15

In CIDR, conventional network class distinctions do not exist. T/F

Answer 15

True

Question 16

The MIME standard replaces SMTP. T/F

Answer 16

False

Question 17

POP3’s design makes it best suited to users who retrieve their mail from the same workstation all the time. T/F

Answer 17

True

Question 18

IMAP4 servers require less storage space and usually more processing resources than POP servers do. T/F

Answer 18

False

Question 19

An example of a popular client email software is ____.
MIME
Microsoft Outlook
Sendmail
Microsoft Exchange Server

Answer 19

Microsoft Outlook

Question 20

SMTP operates from port ____.
25
11
110
250

Answer 20

25

Question 21

IMAP (Internet Message Access Protocol) is a mail retrieval protocol that was developed as a more sophisticated alternative to ____.
POP3
POP
SMTP
MIME

Answer 21

POP3

Question 22

Within a classful addressing subnet mask, the ____ bits indicate that corresponding bits in an IPv4 address contain network information.
0
1
first eight
last eight

Answer 22

1

Question 23

The standard message format specified by SMTP allows for lines that contain no more than ____ ASCII characters.
100
1000
10,000
1,000,000

Answer 23

1000

Question 24

In ____ addressing, the network information portion of an IPv4 address is limited to the first 8 bits in a Class A address.
classful
subnet
stateful
limited

Answer 24

classful

Question 25

The ____ utility allows you to view a host’s routing table.
nbstat
pathping
dig
route

Answer 25

route

Question 26

Because the octets equal to 0 and 255 are ____, only the numbers 1 through 254 can be used for host information in an IPv4 address.
unobtainable
out-of-range
reserved
open for general use

Answer 26

reserved