Which default port is used for DNS Service?
53
54
55
56
Correct Answer :
A. 53
Related Questions
There are the following methods that are given below, which of them are correct methods used in an HTTP request?
a) GET
b) POST
c) CONNECT
d) DELETE
Options:
A and B
A, B, and C
A, B, and D
A, B, C, and D
Which of the following are correct commands used in IMAP protocol?
a) CREATE
b) DELETE
c) RENAME
d) NOOP
Options:
A and B
A and C
B, C, and D
A, B, C, and D
Which of the following HTTP response code is used for permanent redirection?
301
302
303
304
Which default port is used for Tomcat Shutdown?
8080
8005
9082
None of the above
Which default port is used for Redis Server?
3379
4379
5379
6379
A host address in a URL can be?
An IP address
A Domain Name
Both
None
Which default port is used for DNS Service?
53
54
55
56
In which topology all devices are connected with a single backbone cable?
Star
Mesh
Bus
Ring
Which of the following is the correct frequency of the IEEE 802.11g standard?
3.1 GHz
3.5 GHz
2.4 GHz
4.0 GHz
There are the following options that are given below, which of them are correct functionalities of the router?
Internetwork communication
Packet switching
Selection of best route
All of the above
A URL can be?
Absolute URL
Relative URL
Both
None
WiFi stands for?
Wireless Frequency
Wireless Fidelity
Wireless Fiber
Wireless Fricson
Which default port is used for SNMP?
151
161
171
181
Which FTP response code is used for Bad sequence of commands?
a) DNS
b) Inverse ARP
c) BOOTP
d) DHCP
Options:
501
502
503
504
Which of the following NFS command is used to lists the available shares at the remote server?
showmount e
showmount d
exportfs u
exportfs v
Which of the following configuration file is used for SSH in the Linux operating system?
/etc/config/ssh.conf
/etc/ssh/sshd_config
/etc/ssh.config
/etc/sshfs.conf
The ARP protocol operates on which layer of the OSI model?
Physical Layer
Network Layer
Session Layer
Application
Which of the following protocols are used as a replacement of RARP?
a) DNS
b) Inverse ARP
c) BOOTP
d) DHCP
Options:
A and B
C and D
A, B and D
A, B, and C
In which year WWW was invented?
1988
1989
1990
1991
There are the following statements that are given below, which of them are correct about HTTPS?
a) HTTPS is the extended version of HTTP.
b) HTTPS is used for secured communication between the web browser and web server.
c) HTTPS stands for HyperText Transfer Protocol Secure.
d) HTTPS also provides anti-virus security for the website.
Options:
A and B
A and C
A, B, and C
A, B, C, and D
Which of the following are parts of the ARP message format?
a) Hardware Type
b) Sender Hardware Address
c) OP code
d) Sender Protocol Address
Options:
A and B
C and D
A, B, and D
A, B, C, and D
What is the full form of GSM?
Global System for Mobile
Global Service for Mobile
General Service for Mobile
General System for Mobile
There are the following statements that are given below, which of them are the advantages of FTP protocol?
a) Using FTP file transfer is very fast.
b) Using FTP, we can access the FTP server in a secure manner.
c) FTP is a very efficient protocol for transferring a file.
d) FTP provides back and forth movement.
Options:
A and B
B and C
A, B, and C
A, B, C, and D
Which of the following are the components of the FTP Server?
a) Control process
b) Data transfer process
c) User Interface
d) None of the above
Options:
A and B
A and C
A, B, and C
D
There are the following statements that are given below, which is the correct about internetworking?
Internetworking is the mechanism to connect multiple devices in a single network to share information only.
Internetworking is the mechanism to connect multiple devices in a single network to share resources only.
Internetworking is the mechanism to connect multiple networks to share data and resources.
None of the above
What Certificate Authorities do?
Certificate Authorities authenticate the identity of computers.
Certificate Authorities authenticate the identity of Individuals.
Both
None
There are the following options that are given below, which of them are correct directives of HTTP Cache request?
a) no-cache
b) max-state
c) min-fresh
d) only-if-cached
Options:
A and B
A, B, C, and D
C and D
A, B, and C
There are the following options that are given below, which is the correct example of a half-duplex system?
Telephone
Walkie-Talkie
Radio
Television
Which command is used to terminate the SMTP connection?
TERM
QUIT
EXIT
FINISH
In which year NFS was developed?
1980
1984
1991
1993