CS610 Midterm Past Papers by Junaid

1. In Cyclic Redundancy Checking, CRC is __________.

a. Divisor · b. Quotient · c. Remainder · d. Dividend

2. The satellite or radio topology in which all computers are connected to each other via satellite or radio wave is a kind of

a. Broadcast network

b. Point-to-Point network

3.

Which of the following two operations are performed by Ethernet CD?

I. It monitors outgoing signals. II. Grabbled signal is interpreted as a collision. III. Signals are sent back to the sender.

a. I and III · b. II and IV · c. II and III · d. I and II

Q4. The process of forwarding a packet is called ____________.

1. Routing
2. Processing
3. Hierarchical Addressing
4. Source Addressing

4.

Which statement is correct about Network Interface Card (NIC)?

I. NIC contains sufficient hardware to process data independent of system CPU

II. NIC looks like any other I/O device to system CPU III. NIC also receives interrupt on incoming data.

a. I and II · b. II and III · c. I and III · d. All of the given options

5. While transmitting data from source A to destination B, 4 bits are changed during the transmission then the error is a _________.

a. Burst error · b. Single error · c. Double error · d. Logic error

6. The switch that has no attached computers is called __________.

a. Packet Switch · b. Exterior Switch · c. Interior Switch · d. External Switch

7. ________ is the most popular wiring scheme because of lowest cost.

a. 5 Base T · b. 10 Base T · c. 100 base T · d. 1000 base T

8.

In _________ technique, all members of the network can send data only on the specific time slot?

1. CDMA
2. FDMA
3. CSMA
4. TDMA

Q9. If a sender with a 100 Megabit NIC and receiver with 10 Megabit NIC wants to communicate with each other at which speed they can communicate?

1. 100 Megabit
2. 110 Megabit
3. 1000 Megabit
4. 10 Megabit

9.

Missing ______ in a frame format indicates receiving computer missed

beginning of the message.

a. eot · b. soh · c. sot · d. eoh

Q10. 1The _______ of errors is easier than the ________ of errors.

1. correction; detection
2. detection; correction

cs601 handouts · c. correction; creation · d. detection; manipulation

10. 1The _______ of errors is difficult than the ________ of errors.

a. correction; detection · google · b. detection; correction · c. correction; creation · d. detection; manipulation

11.

1Source Independence phenomenon allows fast and efficient · a. Source Addressing · b. Routing · c. Packet Switching · d. Store and forward

Q12. 1In distributed route computation process each packet switch computes its routing table locally and sends messages to the __________.

1. Router
2. Graph
3. Neighbors
4. WAN

Q13. The ___ layer of the OSI model takes the data from the physical layer and perform error checking.

1. Transport
2. Data link

google · c. Application · d. Presentation

Q14. 1 CBR stands for _________.

1. Constant Byte Rate
2. Constant Bit Rate
3. Connection break Recovery
4. Constant Borrow Rate

15. 1A network that uses _______ usually consist of a single long cable to which

computer attach.

a. Star Topology · b. Ring Topology · c. Bus Topology · d. Bus and Ring Topology

Q16. If simultaneous transmission occurs, the frames interfere with each other and this phenomenon is called _______.

1. packet loss
2. collision
3. delayed transmission
4. coordination