Chapter 20 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 above
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 above
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 above
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 above
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 above
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 above
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 above
9		The ________ usually contains the sender address, the receiver address, and other information.
			A)	message
			B)	envelope
			C)	both a and b
			D)	none of the above
10		The message contains the ________ and the __________.
			A)	header; envelop
			B)	header; body
			C)	envelop; body
			D)	none of the above
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 above
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 above
13		The actual mail transfer is done through ____________.
			A)	UAs
			B)	MTAs
			C)	MAAs
			D)	none of the above
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 above
15		The process of transferring a mail message occurs in ________ phases.
			A)	two
			B)	four
			C)	five
			D)	none of the above
16		SMTP is a __________protocol.
			A)	pull
			B)	push
			C)	both a and b
			D)	none of the above
17		The third stage in an email transfer needs a ________ protocol.
			A)	pull
			B)	push
			C)	both a and b
			D)	none of the above
18		The third stage in an email transfer uses a(n) ________ protocol.
			A)	UA
			B)	MTA
			C)	MAA
			D)	none of the above
19		Currently two message access protocols are available: _______ and _________.
			A)	POP3; IMAP2
			B)	POP4; IMAP1
			C)	POP3; IMAP4
			D)	none of the above
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 above
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 above
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 above
23		This command identifies the recipient of the mail.
			A)	HELO
			B)	MAIL FROM
			C)	RCPT TO
			D)	none of the above
24		This command identifies the sender of the message.
			A)	HELO
			B)	MAIL FROM
			C)	RCPT TO
			D)	none of the above
25		The MIME _______ header uses text to describe the type of data in the body of the message.
			A)	content-type
			B)	content-transfer-encoding
			C)	content-description
			D)	none of the above
26		_______ is more powerful and complex than _______.
			A)	POP3; IMAP4
			B)	IMAP4; POP3
			C)	SMTP; POP3
			D)	none of the above