NEW
Font size
WorksheetsData Transmission and Errors
Total questions: 11
Worksheet time: 5mins
What is the binary representation in ASCII of 'B'?
01000001
01000010
01000011
What could cause an error when sending data over a network?
Interference to the Wi-Fi signal
A power surge on a networked device
Both of the above
What is echo checking?
What happens if the data received does not match the data sent?
What is the main problem with echo checking?
It makes it impossible to tell when the error occurred
It requires more data to be sent
Both of the above
Why is parallel data transmission generally only used over short distances?
It is too expensive over longer distance
It is too complicated over longer distance
There is a higher chance of error over longer distance
There is a lower chance of delivery over longer distance
An echo check involves...
...counting the number of odd digits in a sequence
...requesting a copy of sent data form the receiver and comparing it with the original
...calculating the last number
...waiting for a timeout
Data can be transmitted through a channel without being corrupted or changed during transmission.
True
False
Data can be corrupted or changed during transmission.
True
False
In this method, the data is sent from the sender to the receiver and the data received is sent back to the sender.
Parity checking
Automatic Repeat Request
Checksum
Echo check
Check Request Parity
Which transmission media has the highest transmission speed in a network?
coaxial cable
twisted pair cable
optical fiber
electrical cable
