
Data Transmission and Encryption Quiz

Quiz
•
Computers
•
10th Grade
•
Easy
smita gupta
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the primary purpose of data packets in transmission?
To encrypt the data
To allow data to be sent independently
To increase the size of the data
To compress the data
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is NOT a method of error detection?
Data compression
Parity checks
Checksum
Echo check
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What does the payload of a data packet contain?
The sequence number of the packet
The size of the packet
The IP addresses of sender and receiver
The actual data being sent
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which type of data transmission allows data to be sent in both directions simultaneously?
Serial
Full-duplex
Half-duplex
Simplex
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the main drawback of packet switching?
Packets can be lost and need to be re-sent
It is slower than circuit switching
It is less secure than other methods
It requires more hardware
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In symmetric encryption, what is used to encrypt and decrypt the data?
Two different keys
A single key
Public and private keys
A password
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the purpose of a check digit?
To increase the data size
To compress the data
To verify the integrity of data entry
To encrypt the data
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