What is the full form of QPSK?
Quality Phase Shift Keying
Quadric Phase Shift Keying
Quadrature Phase Shift Keying
Quad Phase Shift Keying
Correct Answer :
C. Quadrature Phase Shift Keying
Related Questions
There are the following statements that are given below which of them are correct about WWW?
a) WWW is the collection of web applications, documents, and other web resources that can be accessed using the internet.
b) WWW stands for World Wide Web.
c) WWW and the internet are the same.
d) WWW and the internet are different from each other.
Options:
A and B
B and C
A, B, and C
A, B, and D
How many ports are required by a node to connect with HUB in STAR topology?
1
2
3
4
Which FTP command is used to send a request to display all files present in the directory?
STOR
LIST
CWD
RETR
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
UDP operates on which layer of the OSI model?
Network layer
Transport layer
Presentation layer
Application layer
GSM stands for?
Global System for Mobile communication
Guest System for Mobile communication
Great System for Mobile communication
Global Server for Mobile communication
Which of the following protocol is used to broadcast MAC address to the entire network when a computer boots up?
Inverse ARP
Proxy ARP
Gratuitous ARP
Serial Line ARP
POP3 stands for?
Presentation Operational Protocol version 3
Post Office Protocol version 3
Post Operational Protocol version 3
Pre Office Protocol version 3
Who was developed HTTP?
Jimmy Wales
Tim Berners-Lee
Larry Page
Alan Turing
IMAP stands for?
International Message Access Protocol
Internet Message Access Protocol
Invert Message Access Protocol
Internet Media Access Protocol
DHCP stands for?
Double Host Committed Protocol
Dynamic Host Common Protocol
Dynamic Hyper Common Protocol
Dynamic Host Configuration Protocol
Which default port is used for Redis Server?
3379
4379
5379
6379
The ARP protocol operates on which layer of the OSI model?
Physical Layer
Network Layer
Session Layer
Application
FTP stands for?
File Transport Protocol
File Transfer Protocol
Film Transfer Protocol
File Trigger Protocol
In which year WWW was invented?
1988
1989
1990
1991
WML stands for?
World Markup Language
Wisdom Markup Language
Worst Markup Language
Wireless Markup Language
How can we send some data or information to the particular webpage using URL?
Using Select Query
Using Query String
Using some special ports
Using the FTP protocol
HTCPCP stands for?
Hyper Text Coffee Pot Control Protocol
Host Text Coffee Pot Control Protocol
HUB Type Coffee Pot Control Protocol
Huge Text Coffee Pot Control Protocol
In which network topology, all hosts are connected to the central device?
Star
Ring
Hybrid
Mesh
Which of the following protocols are used with HTTPS for security mechanism?
SSL
TLS
Both
None
In which network topology all hosts are connected to each other in a network?
Star
Ring
Hybrid
Mesh
There are the following statements that are given below, which of them are correct Inverse ARP?
a) The Inverse ARP protocol is used to get the IP address from the MAC address.
b) It is the opposite of ARP.
c) The Inverse is used in only the Linux operating system.
d) All the above
Options:
A and B
A and C
B and C
D
SSL stands for?
Simple Secure Layer
Secure Socket Layer
Server Socket Layer
Server Secure Layer
Which default port is used for SSL based LDAP?
636
536
436
389
In which area we can expend a LAN network?
We can expend a LAN network within the city
We can expend a LAN within an organization only
We can expend a LAN network within the country
We can expend a LAN network all over the world
There are the following statements that are given below, what are the disadvantages of BUS topology in a computer network.
a) If the main cable is damaged then the complete network will not work.
b) Network disturbance occurs when we add or remove a device into a network.
c) Performance gets decreased when a new node is added to the network.
d) There is a security issue because every node in the network can access the data for other nodes.
Options:
A and B
B and C
C and D
A, B, C, and, D
There are the following statements that are given below, which of them are correct about HTTP Caching?
HTTP caching is used to avoid sending HTTP requests many times for better performance.
HTTP caching is used to avoid sending HTTP full response many times for better performance.
Both of the above
None of the above
Which of the following is responsible for allocating radio resources to the mobile calls?
Mobile Station
BSC
BS
None of the above
What the first inter-connected network is?
ARPANET
EXTRANET
INTRANET
None of the above
Which of the following are application layer protocols?
TCP
UDP
Both of the above
None of the above