CS601 Quiz 1 Set 2

Q1. In transmission impairments ______________noise occurs from other sources like motors and appliances etc.

1. Thermal
2. Impulse
3. Induced
4. Cross talk

Correct answer: Induced

Q2. The logical connection between the peer layers is ____________ connection.

1. Tangible
2. Indirect
3. Physical
4. Direct

Correct answer: Direct

Q3. Transmission media does not include ____________.

1. Water
2. Free space
3. Air
4. None of the above

Correct answer: None of the above

Q4. Identify the correct formula to calculate Propagation time.

1. Propagation time = Bandwidth / (Propagation Speed)
2. Propagation time = Delay / (Propagation Speed)
3. Propagation time = throughput / (Propagation Speed)
4. Propagation time = Distance / (Propagation Speed)

Correct answer: Propagation time = Distance / (Propagation Speed)

Q5. A frequency is called ------, if the rate of change in sine wave is instantaneous.

1. Infinite frequency
2. Zero frequency
3. Bandwidth
4. Frequency hertz

Correct answer: Infinite frequency

Q6. Switch is a _____ layer device.

1. Transport
2. Data link
3. Application
4. Network

Correct answer: Data link

Q7. Transmission medium are of _______ types.

1. Four
2. Three
3. One
4. Two

Correct answer: Two

Q8. Token Ring was devised by _________.

1. OSI
2. NASA
3. Dell
4. IBM

Correct answer: IBM

Q9. Datagram (packet) travels across _____ in a network.

1. Modem
2. Switches
3. Hub
4. Routers

Correct answer: Routers

Q10. Digital signals are identified by a _______ set of discrete values.

1. Logical
2. Infinite
3. Limited
4. Discrete

Correct answer: Limited