data transmission

The text following an encryption algorithm is called:

Select the true statement about asymmetric encryption:

• uses a public key only

• uses both a public key and a private key

• uses private key only

• always uses 64-bit encryption

The message before it is encrypted is called:

Which type of encryption is used when both the sender and the recipient use the same key to encrypt and decrypt?

The final number in a code, calculated from all the numbers in the code, whose purpose is to find errors in data entry:

• parity check

• checksum

• check digit

• cyclic redundancy check

Form of error detection that makes use of a system of acknowledgements and timeouts:

• Automatic Repeat Request

• Echo check

• check digit

• Cyclic redundancy check

Uses a calculated value that is sent after a block of data; the receiving computer also calculates the value from the block of data and compares the values.

• parity check

• check digit

• packet switching

• checksum

Fill in the balnk: A data packet header contains the __ addresses of the sender and recipient.