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WorksheetsComputer Networks
Total questions: 28
Worksheet time: 15mins
NAK is a _____________ acknowledgement
Positive
Negative
Neutral
None of the above
The speed mismatch between the sender and receiver is called ______________
Error control
speed control
Flow Control
Transmission control
Data in Computer Networks is sent in the form of
Boxes
Baskets
Groups
Packets
The ___________ layer is the lowest layer in the OSI model
Physical
Transport
Session
Application
The __________ layer is the top most layer in the OSI model
Physical
Transport
Session
Application
The _________ layer is responsible for node to node delivery of packets
Physical
Transport
Data Link
Application
The ________ layer is responsible for routing packets within or across the Network
Physical
Network
Data Link
Application
Encryption is handled by the _________ layer
Data Link
Transport
Session
Presentation
www is a ___________ layer protocol
physical
Application
Data Link
Session
A set of rules that govern data communication between the sender and receiver is called
Rule
Protocol
Law
Option
In Simplex communication, _________________
only one party can transmit data at the same time
Both parties can transmit data at the same time
Both parties can transmit data but not at the same time
No party can transmit data
In half duplex communication_________________
only one party can transmit data
Both Parties can transmit data but not at the same time
Both parties can transmit the data at the same time
No party can transmit data
Multiplexing ______________
devides the line into multiple channels
Combine many channels into one line
is the same as modulating
is the same as demodulating
As a signal travels through any medium ,its strength decreases due to ______________
Noise
Delay distortion
Attenuation
Re-Transmission
Some Electromagnetic energy can be inserted somewhere during transmission ,which is normally called _____________
Noise
Delay distortion
Attenuation
Re-transmission
The Receiver sends a ___________ back to the sender if everything was OK
NAK
PAK
ACK
NCK
In Full duplex Communication ,_______________
Only one party can transmit data
Both parties can transmit data,but not at the same time
Both parties can transmit data at same time
No party can transmit data
The Process of handing over the signal from the old Channel to the new one is called
Transfer
Change
modification
Hand-off
