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TCP/IP Protocol Suite, 4/e
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Chapter 23 - Multiple Choice Quiz



1

A ________ is part of a local hard drive, a special file with permission restrictions.
A)message
B)response
C)an agent
D)None of the choices are correct
2

When the sender and the receiver of an email are on the same system, we need only ___________.
A)one UA
B)two UAs
C)one UA and one MTA
D)None of the choices are correct
3

When the sender and the receiver of an email are on different systems, we need only _____________.
A)one MTA
B)two UAs
C)two UAs and one pair of MTAs
D)None of the choices are correct
4

When the sender is connected to the mail server via a LAN or a WAN, we need only ______________.
A)two MTA
B)two UAs and two pairs of MTAs
C)two UAs and a pair of MTAs
D)None of the choices are correct
5

When both sender and receiver are connected to a mail server via a LAN or a WAN, we need ___________________.
A)two UAs, two pairs of MTAs, and a pair of MAAs
B)two UAs, and two pairs of MTAs
C)two UAs, two pairs of MTAs, and two pairs of MAAs
D)None of the choices are correct
6

________ provides service to the user to make the process of sending and receiving a message easier.
A)An MTA
B)An MAA
C)A UA
D)None of the choices are correct
7

Which of the following services is not provided by a UA?
A)composing messages
B)reading messages
C)replying messages
D)all are
8

There are two types of user agents: _________ and ___________.
A)command-driven; data-driven
B)command-driven and GUI-based
C)command-based and data-based
D)None of the choices are correct
9

The ________ usually contains the sender address, the receiver address, and other information.
A)message
B)envelope
C)message and envelope
D)None of the choices are correct
10

The message contains the ________ and the __________.
A)header; envelop
B)header; body
C)envelop; body
D)None of the choices are correct
11

In the Internet, the email address consists of two parts: a _______ and a _______.
A)local part; domain name
B)global part; domain name
C)label; domain name
D)None of the choices are correct
12

_________ is a supplementary protocol that allows non-ASCII data to be sent through email.
A)JPEG
B)MPEG
C)MIME
D)None of the choices are correct
13

The actual mail transfer is done through ____________.
A)UAs
B)MTAs
C)MAAs
D)None of the choices are correct
14

The formal protocol that defines the MTA client and server in the Internet is called ___________.
A)SMTP
B)SNMP
C)TELNET
D)None of the choices are correct
15

The process of transferring a mail message occurs in ________ phases.
A)two
B)four
C)five
D)None of the choices are correct
16

SMTP is a __________protocol.
A)pull
B)push
C)push and pull
D)None of the choices are correct
17

The third stage in an email transfer needs a ________ protocol.
A)pull
B)push
C)push and pull
D)None of the choices are correct
18

The third stage in an email transfer uses a(n) ________ protocol.
A)UA
B)MTA
C)MAA
D)None of the choices are correct
19

Currently two message access protocols are available: _______ and _________.
A)POP3; IMAP2
B)POP4; IMAP1
C)POP3; IMAP4
D)None of the choices are correct
20

Which part of the mail created by the UA contains the sender and receiver names?
A)envelope
B)address
C)header
D)None of the choices are correct
21

In the _______ encoding scheme, 24 bits become 4 characters, and eventually are sent as 32 bits.
A)8bit
B)binary
C)base64
D)None of the choices are correct
22

In the _______ encoding scheme, a non-ASCII character is sent as 3 characters.
A)8bit
B)base64
C)quoted-printable
D)None of the choices are correct
23

This command identifies the recipient of the mail.
A)HELO
B)MAIL FROM
C)RCPT TO
D)None of the choices are correct
24

This command identifies the sender of the message.
A)HELO
B)MAIL FROM
C)RCPT TO
D)None of the choices are correct
25

_______ is more powerful and complex than _______.
A)POP3; IMAP4
B)IMAP4; POP3
C)SMTP; POP3
D)None of the choices are correct