SMTP - Computer Networks Questions and Answers

1.

SMTP defines

   A.) message transport
   B.) message encryption
   C.) message content
   D.) none of these

Answer: Option 'A'

message transport

2.

Expansion of SMTP is

   A.) Simple Message Transfer Protocol
   B.) Simple Mail Transmission Protocol
   C.) Simple Mail Transfer Protocol
   D.) Simple Message Transmission Protocol

Answer: Option 'C'

Simple Mail Transfer Protocol

3.

Example of user agents for e-mail

   A.) Microsoft Outlook
   B.) Apple Mail
   C.) None of these
   D.) All of these

Answer: Option 'D'

All of these

4.

A session may include

   A.) Zero or more SMTP transactions
   B.) Exactly one SMTP transactions
   C.) Always more than one SMTP transactions
   D.) Number of SMTP transactions cant be determined

Answer: Option 'A'

Zero or more SMTP transactions

5.

SMTP connections secured by SSL are known as

   A.) SMTPS
   B.) SNMP
   C.) SSMTP
   D.) none of these

Answer: Option 'A'

SMTPS

7.

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.) Two UAs and two pairs of MTAs

Answer: Option 'D'

Two UAs and two pairs of MTAs

8.

In SMTP, the command to write recievers mail adress is written with this command

   A.) SEND TO
   B.) RCPT TO
   C.) MAIL TO
   D.) None of these

Answer: Option 'B'

RCPT TO

10.

What is on-demand mail relay (ODMR)?

   A.) protocol for SMTP security
   B.) an SMTP extension
   C.) protocol for web pages
   D.) none of these

Answer: Option 'B'

an SMTP extension

11.

User agent does not support this

   A.) Composing messages
   B.) Reading messages
   C.) Replying messages
   D.) All of these

Answer: Option 'D'

All of these

12.

The underlying Transport layer protocol used by SMTP is

   A.) TCP
   B.) UDP
   C.) Either a or b
   D.) None of these

Answer: Option 'A'

TCP

13.

An email client needs to know the ____ of its initial SMTP server.

   A.) IP address
   B.) MAC address
   C.) url
   D.) none of these

Answer: Option 'A'

IP address

14.

A SMTP session may include

   A.) zero SMTP transaction
   B.) one SMTP transaction
   C.) more than one SMTP transaction
   D.) all of these

Answer: Option 'D'

all of these

15.

SMTP uses the TCP port

   A.) 22
   B.) 23
   C.) 24
   D.) 25

Answer: Option 'D'

25

16.

When the mail server sends mail to other mail servers it becomes _____ ?

   A.) SMTP server
   B.) Peer
   C.) SMTP client
   D.) None of these

Answer: Option 'C'

SMTP client

17.

Typically the TCP port used by SMTP is

   A.) 25
   B.) 30
   C.) 35
   D.) 40

Answer: Option 'A'

25

18.

Simple mail transfer protocol (SMTP) utilizes ____ as the transport layer protocol for electronic mail transfer.

   A.) UDP
   B.) TCP
   C.) DCCP
   D.) SCTP

Answer: Option 'B'

TCP

19.

Internet mail places each object in

   A.) Separate messages for each object
   B.) Varies with number of objects
   C.) One message
   D.) None of these

Answer: Option 'C'

One message

20.

Which one of the following protocol is used to receive mail messages?

   A.) SMTP
   B.) post office protocol
   C.) internet message access protocol
   D.) all of these

Answer: Option 'D'

all of these


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