CS601 Quiz 1 Set 3

Q1. __________________ layer converts frames coming from Data Link layer into bits and sends them on the transmission medium.

1. Transport
2. Network
3. Physical
4. Application

Correct answer: Physical

Q2. If a digital transmission system transmits 10 bits within a half-second interval, the system's bit-rate will be

1. 20
2. 25
3. 10
4. 15

Correct answer: 20

Q3. In transmission impairments________________occurs from a signal with a high energy with a very short period of time.

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

Correct answer: Impulse noise

Q4. ________ is a network device which operates on the network layer in the TCP/IP protocol suite.

1. Hub
2. Gateway
3. Switch
4. Router

Correct answer: Router

Q5. ________ is the number of bits sent in 1 second.

1. Bit rate
2. Period
3. Frequency
4. Latency

Correct answer: Bit rate

Q6. The layer of TCP/IP protocol suite which is on the top is known as ______________ layer.

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

Correct answer: Application

Q7. Analog signal can take _______ levels of intensity over time.

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

Correct answer: Infinite

Q8. Two PCs and one printer are connected in a network within a room; it is an example of ___________.

1. LAN
2. SONET
3. WAN
4. MAN

Correct answer: LAN

Q9. Multipoint channel can be shared in ______ manner.

1. A lot of ways
2. Spatial
3. Temporal
4. Both spatial and temporal

Correct answer: Both spatial and temporal

Q10. Which of the following best illustrates the concept of decapsulation in internet protocol layering?

1. Encrypting a sensitive email to send it securely.
2. Unzipping a compressed file on your computer to access its contents.
3. Converting a digital image into sound waves for transmission.
4. Writing a message on a piece of paper before placing it in an envelope.

Correct answer: Unzipping a compressed file on your computer to access its contents.