SMTP - Computer Networks Questions and Answers
1.
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
2.
SMTP uses the TCP port
A.)
22
B.)
23
C.)
24
D.)
25
Answer: Option 'D'
25
3.
SMTP connections secured by SSL are known as
A.)
SMTPS
B.)
SNMP
C.)
SSMTP
D.)
none of these
Answer: Option 'A'
SMTPS
4.
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
5.
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
6.
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
7.
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
8.
SMTP defines
A.)
message transport
B.)
message encryption
C.)
message content
D.)
none of these
Answer: Option 'A'
message transport
9.
Which one of the following is an SMTP server configured in such a way that anyone on the internet can send e-mail through it?
A.)
open mail relay
B.)
wide mail reception
C.)
open mail reception
D.)
none of these
Answer: Option 'A'
open mail relay
- Basics Computer Networks Question and Answers
- Reference Models
- Physical Layer
- Data Link Layer
- Network Layer
- Transport Layer
- Application Layer
- DNS
- Telnet
- World Wide Web
- HTTP and FTP
- Ethernet
- Wireless LAN
- WiMAX
- Bluetooth
- ATM Frame Relay
- Access Networks
- Physical Media
- Multiplexing
- Topology
- Packet Switching & Circuit Switching
- SONET
- Internet
- Cryptography
- Security In The Internet
- Delays and Loss
- Network Attacks
- DHCP
- SMTP
- FTP
10.
SMTP is used to deliver messages to
A.)
user’s terminal
B.)
user’s mailbox
C.)
both (a) and (b)
D.)
none of these
Answer: Option 'C'
both (a) and (b)
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