Computer Networks MCQs
998+ questions with answers
In SMTP, the command to write receiver’s mail address is written with the command _______
The underlying Transport layer protocol used by SMTP is ________
Choose the statement which is wrong incase of SMTP?
A session may include ________
Which of the following is an example of user agents for e-mail?
When the sender and the receiver of an email are on different systems, we need only _________
User agent does not support this ___________
Simple mail transfer protocol (SMTP) utilizes _________ as the transport layer protocol for electronic mail transfer.
SMTP connections secured by SSL are known as _____________
Which of the following protocol is not used to receive mail messages?
What is on-demand mail relay (ODMR)?
An email client needs to know the _________ of its initial SMTP server.
SMTP defines _______
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?
SMTP is not used to deliver messages to ______
The entire hostname has a maximum of ___________
A DNS client is called _________
Servers handle requests for other domains _______
DNS database contains _______
If a server has no clue about where to find the address for a hostname then _______
Which one of the following allows client to update their DNS entry as their IP address change?
The right to use a domain name is delegated by domain name registers which are accredited by _______
The domain name system is maintained by _______
Which one of the following is not true?
Secure shell (SSH) network protocol is used for __________
SSH can be used in only _____________
SSH uses ___________ to authenticate the remote computer.
Which standard TCP port is assigned for contacting SSH servers?
Which one of the following protocol can be used for login to a shell on a remote host except SSH?
Which one of the following is a file transfer protocol using SSH?
Which one of the following feature was present in SSH protocol, version 1?
SCP protocol is evolved from __________ over SSH.
Which one of the following authentication method is used by SSH?
DHCP (dynamic host configuration protocol) provides __________ to the client.
DHCP is used for ________
The DHCP server _________
IP assigned for a client by DHCP server is
DHCP uses UDP port _________ for sending data to the server.
The DHCP server can provide the _______ of the IP addresses.
After obtaining the IP address, to prevent the IP conflict the client may use _________
What is DHCP snooping?
If DHCP snooping is configured on a LAN switch, then clients having specific ______ can access the network.
IPSec is designed to provide security at the _________
In tunnel mode, IPSec protects the ______
Which component is included in IP security?
WPA2 is used for security in _______
An attempt to make a computer resource unavailable to its intended users is called ______
Pretty good privacy (PGP) is used in ______