WorksheetsIT Participation 6
Total questions: 15
Worksheet time: 8mins
The transmission mode which allows both communicating devices to transmit and receive data simultaneously is
Half duplex
Simplex
Full duplex
None of these
------ does not come under the guided media.
Twisted Pair
Optical fibres
Coaxial cable
Microwave
LAN stands for------------
Long area network
Local area network
Local audible network
Limited area network
The network device that connects two or more networks together and whose aim is to trace the best route for the information to travel is ......................
Hub
Router
Gateway
Switch
-------------supports the highest bandwidth and faster transmission rate.
Coaxial cable
Twisted-pair cable
UTP cable
Fiber optic cable
A computer network, which provides long-distance transmission of data, images, and sound over a large distance, is ............
LAN
MAN
WAN
CAN
The URL http://www.uni.edu is associated with------------
commercial organization
an educational institution
a military establishment
None of these
Cryptography relies on ----------
key
encryption Algorithm
decryption algorithm
all of these
Twisted-pair cable is an example of unguided media for data communication.
True
False
Hub is also called as protocol converter.
false
true
. In full-duplex transmission, both parties can communicate at the same time LANs operate within a wide area network
true
false
All URLs are unique.
true
false
Worm is a self-replicating program, which is self-contained and does not require a host program.
true
false
Cryptography comprises conversion of plain text into cipher text and vice versa.
true
false
Digital signature is created and verified by means of cryptography.
true
false
