There are the following statements that are given below, which of them are correct about DNS in computer networks?
A DNS is a server which is used to convert web address or a URL into the corresponding IP address
A DNS is used to send or upload a data file to the server
A DNS is used to download the data file from the server
A DNS server is used to save data files into computer memory
Correct Answer :
A. A DNS is a server which is used to convert web address or a URL into the corresponding IP address
Related Questions
Which of the following protocols are used with HTTPS for security mechanism?
SSL
TLS
Both
None
What is the full form of SSTP protocol?
Secure Socket Tunneling Protocol
Secure Service Tunneling Protocol
Secure Server Tunneling Protocol
Secure Saver Tunneling Protocol
There are the following statements that are given below, which of them are correct about radio signals in WiFi communication?
Radio signals are transmitted by WiFi Antenna and received by WiFi receivers within the range of WiFI.
WiFi cards are used to read the WiFi signal and create connectivity between user and network.
Both of the above
None of the above
Which of the following Certificate Authority provides a free DV SSL certificate?
Symantec
DigiCert
Let's Encrypt
GlobalSign
Which version of TLS removed the support for MD5 and SHA-224?
TLS 1.0
TLS 1.1
TLS 1.2
TLS 1.3
WBMP stands for?
Wireless Bitmap image
Wired Bitmap image
Worst Bitmap image
Worlds Bitmap image
Which of the following are the parts of the HTTP response?
a) Status
b) Message Body
c) The encryption key used for HTTP protocol security
d) Header fields for a response
Options:
A and B
B and D
B, C, and D
A, B, and D
There are the following RFC numbers are given below, which of them are related to HTTP?
a) RFC 2616
b) RFC 3616
c) RFC 7230
d) RFC 7231
Options:
A and B
A, C, and D
A, B, and C
B, C, and D
IMAP stands for?
Invoice Mail Access Protocol
Internet Mail Access Protocol
Internal Mail Access Protocol
International Mail Access Protocol
How many bytes are reserved for target hardware address in ARP message format?
4 bytes
6 bytes
8 bytes
16 bytes
Which of the following countries does not legalize the VPN implementation?
a) China
b) UAE
c) Iraq
d) North Korea
Options:
A and B
A and C
A, B, and C
A, B, C, and D
Which default port is used for LDAP?
636
536
436
389
Which default port is used for FTP?
8090
25
21
35
RARP stands for?
Reserve Address Resolution Protocol
Reverse Address Resolution Protocol
Revert Address Resolution Protocol
Responsive Address Resolution Protocol
What is the full form of MTA used in SMTP?
Mail Time Association
Mail Trim Agent
Mail Transmission Agent
Mail Transfer Agent
OSI stands for?
Open System International
Open System Interconnection
Open Server Interconnection
Open Server International
Which of the following are functions of the application layer?
Mail Services
File Transfer
Virtual terminals
All of the above
There are the following statements that are given below, which of them are correct about HYBRID topology in computer networks?
In the HYBRID topology all devices in a network are connected to a central device
The HYBRID topology is the combination of any two network topologies
In the HYBRID topology there is no need to required physical cable
None of the above
Which of the following types of connections are used in FTP?
a) Control connection
b) Data connection
c) Database connection
d) All the above
Options:
A and B
A and C
B and C
D
There are the following statements that are given below, which of them are correct about remote login?
a) Remote login is a mechanism that is used to access the computer which is located in a different location using remote login protocols.
b) Using remote login we can access the computer through the command line only.
c) Now a day's remote login is very popular for remote support in almost all companies.
d) All the above
Options:
A and B
A and C
B and C
D
Which of the following are application layer protocols?
FTP
HTTP
SNMP
All of the above
What is the full form of ETSI?
European Telegraph Standard Institute
European Telecommunications Standard Institute
Eastern Telephonic Standard Institute
European Telephonic Standard Institute
There are following statements that are given below, which of them are correct about emails?
a) E-mail stands for Electronic Mail.
b) E-mail is used for sending and receiving text, images, and video files.
c) E-mail is also used for identity in the internet world.
d) E-mails are not secured enough for data transmission.
Options:
A and B
B and C
A, B, and C
A, B, C, and D
Which part of the URL describes the protocol used in a URL?
Scheme
Host Address
File Path
None of the above
Which of the following are the main components of NFS architecture?
a) RPC
b) XDR
c) NFS procedures and Operations
d) All of the above
Options:
A and B
A and C
B and CC
D
There are the following statements that are given below, which is correct about file:// scheme?
It is used to indicate that the file is on the local hard disk.
It is used to indicate that the file is on the shared folder of the local LAN.
Both of the above
None of the above
What is the full form of IEEE?
International Electronics and Electrical Engineers
International Electrical and Electronics Engineers
Institute of Electrical and Electronics Engineers
Institute of Electronics and Electrical Engineers
Which protocol is used to provide functionalities of ARP for IPv6 addresses?
RARP
IARP
Neighbor Discovery Protocol
None of the Above
What is the full form of TNFS?
Trivial Network File System
Triple Network File System
Trusted Network File System
Temporary Network File System
A SSL certificate is also known as?
Security Certificate
Privacy Certificate
Digital Certificate
Cryptology Certificate