Internet: DNS Quiz with Answers PDF – Download Test 73

MCQ 361: Domain Name System (DNS), is a protocol that can be used in different:

1. layers
2. categories
3. platform
4. stages

MCQ 362: Digital signal service is created by Time-division Multiplexing (TDM) through a hierarchy of digital signals and is implemented by:

1. radio stations
2. telephone companies
3. television broadcasting companies
4. internet

MCQ 363: The most common compression technique that is used to create CD-quality audio is based on the perceptual encoding technique is called:

1. predictive encoding
2. perceptual encoding
3. MPEG
4. JPEG

MCQ 364: The parity bit of the sequence number protection field of the header in System Activity Report (SAR) sublayer is used to detect the errors over:

1. 8 bits
2. 7 bits
3. 6 bits
4. 5 bits

MCQ 365: There are two sub-layers in:

1. PVC
2. ATM
3. AAL
4. SVC