CS601 Final Term Past Papers by Iqra Azhar

Q1. Fiber Cable __________ uses thin coaxial cable.

10Base5 10Base-F 10Base-T 10BASE2

Q2. Fiber Cable _________ uses thick coaxial cable.

10Base2 10Base-F 10BASE5 10Base t

Q3. ______ was used as the medium in 10 Base-T.

Thick Coaxial Cable Thin Coaxial Cable Twisted-pair cabling D. Two Mode

Q4. In the context of Ethernet address, the source address is always a -- address Multicast

Q5. ff:FF:FF:FF:FF:FF is a ____________________ link layer address.

Unicast B. Multiplex C. Multicast D.Broadcast

Q6. order to resolve link layer address of the next node, the first generated ARP request is always in _________ mode

. A. Unicast B. Multiplex C. Multicast D.Broadcast

Q7. In the context of Ethernet address, the source address is always a address.

Multicast Broadcast Unicast 128 Broad Cast

Q8. a3:34:45:11:92:F1 is a ____________________ link layer address.

Unicast B. Multiplex C. Multicast D.Broadcast Question For Carrier Sense Multiple Access/Collision Detection (CSMA/CD) we need a restriction on the  Collision Size Signal Size Frame Size Station Size Unidirectional

Q9. Time domain plot show changes in signal phase with respect to time. true false

Q10. Each station in the Token Ring regenerates the frame. True False

Q11. Zero crossing bandwidth is also called as equivalent noise bandwidth. True False

Q12. In Y-MODEM Multiple files can be sent simultaneously True False

Q13. The level of signal is always positive in NRZ encoding. True False

Q14. TROPOSHERE is the layer of atmosphere above the troposhere but below space True False

Q15. In even parity check code, the value of syndrome is if the number of 1s is even.

Q16. Radio wave transmission utilizes different types of propagation.

Two Three Four Five

Q19. BSC supports transmission using flow control.

Full-duplex, Stop and wait

Q20. What is the period of a Sine wave having frequency of 5 Hz?

1. 2 0.1 0.5 0.3

Q21. The BNC-T connector is a T-shaped device with ports

Three Two Four Five

Q22. Ethernet Address is of---------------- bytes

4 6 8 12

Q23. YMODEM has ________ Byte of data unit. A. 256 B. 128 C. 512 D. 1024

Q24. There are ________ basic categories of multiplexing. A. 2 B. 3 C. 7 D. 5

Q25. AM signal requires ___________ the BW of original signal A. Half B. Same C.Twice D. Three Times

Q26. What is the period of a Sine wave having frequency of 2 Hz? A. 0.2 B. 0.1 C. 0.5

1. 0.3

Q27. What is the frequency of a sine wave if it completes one cycle in 2 seconds? A. 0.5

1. 0.6
2. 0.3
3. 0.2

Q28. A sine wave is defined by ___________ characteristics. A. 2 B. 3

1. 4
2. 5

Q29. What is the period of a Sine wave having frequency of 5 Hz? A.

1. 2 B. 0.1 C. 0.5 D. 0.3

Q30. Radio wave transmission utilizes ___________ different types of propagation.

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

Q31. In CRC there is no error if the remainder at the receiver is

A.Zero B. Nonzero C. The quotient at the sender D. Equal to