Introduction to Cryptography Quiz Questions and Answers PDF Download - 173

An encryption algorithm transforms the plaintext into

1. cipher text
2. simple text
3. plain text
4. empty text

If a noiseless channel with a bandwidth of 3000 Hz transmitting a signal with two signal levels the maximum Bit rate would be

1. 12000 bps
2. 6000 bps
3. 1800 bps
4. zero

BLSR stands for

1. Bidirectional Line Switching Ring
2. Bidirectional Linear Switching Ring
3. Bidirectional Lan Switching Ring
4. Bidirectional Link Switching Ring

In Synchronous Optical Networking (SONET) Network, the data is sent over the working line until it fails, is

1. One-Plus-One APS
2. One-to-One APS
3. One-to-Many APS
4. Many-to-Many Aps

The process of adding one extra 0 whenever five consecutive 18 follow a 0 in the data, so that the receiver does not mistake the pattern 0111110 for a flag is known as

1. pulse stuffing
2. bit stuffing
3. bus stuffing
4. modes