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Syllabus

NEC Computer · Practice

Chapters & sets

1. Basic Electrical and Electronics

Basic Electrical

Set 1106

Basic Electronics

Set 171 Set 233

2. Digital Logic and Microprocessor

Digital Logic

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 749 Set 851 Set 950 Set 1050 Set 1150 Set 1232

Microprocessor

Set 150 Set 250 Set 350 Set 445 Set 550 Set 650 Set 720 Set 850 Set 969

3. Programming Language and Its Applications

Mixed chapter MCQs

Set 150 Set 249 Set 349 Set 451 Set 540

4. Computer Organization and Embedded System

Mixed chapter MCQs

Set 150 Set 249 Set 350 Set 450 Set 550 Set 650 Set 750 Set 849 Set 950 Set 1050 Set 1150

5. Concept of Computer Network and Network Security System

Basic Networking

Set 150 Set 253

Advanced Networking

Set 150 Set 250 Set 350 Set 450 Set 550 Set 655

6. Theory of Computation and Computer Graphics

Theory of Computation

Set 150 Set 250 Set 360

Computer Graphics

Set 150 Set 251 Set 350 Set 450 Set 550

7. Data Structures and Algorithm, Database System and Operating System

8. Software Engineering and Object-Oriented Analysis & Design

Mixed chapter MCQs

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 750 Set 926

9. Artificial Intelligence and Neural Networks

Mixed chapter MCQs

Set 150 Set 317 Set 450 Set 550 Set 650 Set 750 Set 850 Set 932

10. Project Planning, Design and Implementation

Engineering Drawing

Set 150 Set 267

Engineering Economics

Set 168

Project Planning & Scheduling

Set 188

Project Mangement

Set 150

Engineering Professional Practice

Set 120

Engineering Regulatory Body

Set 130

Advanced Networking Set 2

50 questions

Question 1

In which layer of the TCP/IP model do transmission media (e.g., Ethernet cable, Wi-Fi, etc.) operate?

A.
Network Access layer
B.
Internet layer
C.
Application layer
D.
Transport layer

Question 2

50

In which layer of the TCP/IP model do protocols such as TCP, UDP, and IP operate?

A.
Network Access layer
B.
Internet layer
C.
Application layer
D.
Transport layer

Question 3

What is the main type of transmission media used for twisted pair cables?

A.
Optical fiber
B.
Copper wire
C.
Wireless
D.
Coaxial cable

Question 4

What is the main advantage of using twisted pair cables in a network?

A.
They are expensive
B.
They are less susceptible to interference compared to other types of transmission media
C.
They are not widely used
D.
They are not suitable for high-speed data transmission

Question 5

What type of signals can be transmitted over twisted pair cables?

A.
Optical signals
B.
Electrical signals
C.
Wireless signals
D.
Radio signals

Question 6

What is the maximum distance that data can be transmitted over twisted pair cables?

A.
100 meters
B.
500 meters
C.
1000 meters
D.
5000 meters

Question 7

What is the main disadvantage of using twisted pair cables in a network?

A.
They are susceptible to interference
B.
They are expensive
C.
They are not widely used
D.
They are not suitable for high-speed data transmission

Question 8

What is the main type of transmission media used for coaxial cables?

A.
Optical fiber
B.
Copper wire
C.
Wireless
D.
Coaxial cable

Question 9

What is the main advantage of using coaxial cables in a network?

A.
They are highly resistant to interference compared to other types of transmission media
B.
They are expensive
C.
They are not widely used
D.
They are not suitable for high-speed data transmission

Question 10

What type of signals can be transmitted over coaxial cables?

A.
Optical signals
B.
Electrical signals
C.
Wireless signals
D.
Radio signals

Question 11

What is the maximum distance that data can be transmitted over coaxial cables?

A.
100 meters
B.
500 meters
C.
1000 meters
D.
5000 meters

Question 12

What is the main disadvantage of using coaxial cables in a network?

A.
They are expensive
B.
They are not widely used
C.
They are difficult to install and terminate
D.
They are not suitable for high-speed data transmission

Question 13

What is the main type of transmission media used for optical fibers?

A.
Optical fiber
B.
Copper wire
C.
Wireless
D.
Coaxial cable

Question 14

What is the main advantage of using optical fibers in a network?

A.
They are highly resistant to interference compared to other types of transmission media
B.
They are fast and efficient for high-speed data transmission
C.
They are not widely used
D.
They are expensive

Question 15

What type of signals can be transmitted over optical fibers?

A.
Optical signals
B.
Electrical signals
C.
Wireless signals
D.
Radio signals

Question 16

What is the maximum distance that data can be transmitted over optical fibers?

A.
100 meters
B.
500 meters
C.
1000 meters
D.
5000 meters

Question 17

What is the main disadvantage of using optical fibers in a network?

A.
They are expensive
B.
They are difficult to install and terminate
C.
They are not widely used
D.
They are susceptible to interference

Question 18

Which type of transmission media uses physical cables to transmit signals?

A.
Guided media
B.
Unguided media
C.
Wireless media
D.
Both a and b

Question 19

Which type of transmission media uses the air or a vacuum to transmit signals?

A.
Guided media
B.
Unguided media
C.
Wireless media
D.
Both a and b

Question 20

What is the main type of transmission used for microwave communication?

A.
Radio waves
B.
Optical signals
C.
Infrared signals
D.
Ultraviolet signals

Question 21

What is the main advantage of using microwave transmission in a network?

A.
It is highly resistant to interference compared to other types of transmission
B.
It is fast and efficient for high-speed data transmission
C.
It is not widely used
D.
It is expensive

Question 22

What type of devices are used for microwave transmission in a network?

A.
Microwave towers
B.
Optical fiber devices
C.
Infrared devices
D.
Radio devices

Question 23

What is the frequency range of microwave transmission in a network?

A.
3 GHz to 30 GHz
B.
30 MHz to 300 MHz
C.
300 MHz to 3 GHz
D.
3 GHz to 300 GHz

Question 24

What is the main disadvantage of using microwave transmission in a network?

A.
It is susceptible to interference
B.
It is expensive
C.
It requires line-of-sight between the transmitting and receiving devices
D.
It is not widely used

Question 25

What is the main type of transmission used for radio wave communication?

A.
Radio waves
B.
Optical signals
C.
Infrared signals
D.
Ultraviolet signals

Question 26

What is the main advantage of using radio waves in a network?

A.
They are highly resistant to interference compared to other types of transmission
B.
They are fast and efficient for high-speed data transmission
C.
They are widely used
D.
They are inexpensive

Question 27

What type of devices are used for radio wave transmission in a network?

A.
Radio towers
B.
Optical fiber devices
C.
Infrared devices
D.
Microwave devices

Question 28

What is the frequency range of radio waves in a network?

A.
3 GHz to 30 GHz
B.
30 MHz to 300 MHz
C.
300 MHz to 3 GHz
D.
3 GHz to 300 GHz

Question 29

What is the main disadvantage of using radio waves in a network?

A.
They are susceptible to interference
B.
They are expensive
C.
They require line-of-sight between the transmitting and receiving devices
D.
They are not suitable for high-speed data transmission

Question 30

What is the main function of the Data Link layer?

A.
To provide reliable transmission of data over the physical layer
B.
To provide fast transmission of data over the physical layer
C.
To provide secure transmission of data over the physical layer
D.
To provide efficient transmission of data over the physical layer

Question 31

What is the main purpose of error detection and correction in the Data Link layer?

A.
To detect and correct errors in the data transmission
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 32

What is the main function of flow control in the Data Link layer?

A.
To control the flow of data transmission to prevent overflow of the receiving device's buffer
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 33

What is an example of a Data Link layer protocol?

A.
TCP
B.
UDP
C.
IP
D.
HDLC

Question 34

What is the main function of multiple access protocols in the Data Link layer?

A.
To regulate access to the shared transmission medium
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 35

What is the main function of LAN addressing in the Data Link layer?

A.
To provide unique addresses to devices on a local area network
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 36

What is the main function of ARP (Address Resolution Protocol) in the Data Link layer?

A.
To map IP addresses to physical addresses (MAC addresses)
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 37

What is Ethernet in the context of the Data Link layer?

A.
A type of multiple access protocol
B.
A type of LAN addressing scheme
C.
A type of error detection and correction scheme
D.
A popular and widely used LAN technology

Question 38

What is the IEEE 802.3 standard in the context of the Data Link layer?

A.
The standard for Ethernet
B.
The standard for Token Bus
C.
The standard for Token Ring
D.
The standard for CSMA/CD

Question 39

What is the IEEE 802.4 standard in the context of the Data Link layer?

A.
The standard for Ethernet
B.
The standard for Token Bus
C.
The standard for Token Ring
D.
The standard for CSMA/CD

Question 40

What is the IEEE 802.5 standard in the context of the Data Link layer?

A.
The standard for Ethernet
B.
The standard for Token Bus
C.
The standard for Token Ring
D.
The standard for CSMA/CD

Question 41

What is the main function of CSMA /CD in the Data Link layer?

A.
To regulate access to the shared transmission medium in Ethernet networks
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 42

What is the main function of Wireless LANs in the Data Link layer?

A.
To provide wireless communication over a local area network
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 43

What is the main function of PPP (Point to Point Protocol) in the Data Link layer?

A.
To provide reliable transmission of data over a point-to-point connection
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 44

What is the main function of Wide area protocols in the Data Link layer?

A.
To provide reliable transmission of data over wide area networks
B.
To provide fast transmission of data
C.
To provide secure transmission of data
D.
To provide efficient transmission of data

Question 45

What is the main purpose of error detection in a network?

A.
To detect errors in the data transmission
B.
To correct errors in the data transmission
C.
Both a and b
D.
Neither a nor b

Question 46

What is the main purpose of error correction in a network?

A.
To detect errors in the data transmission
B.
To correct errors in the data transmission
C.
Both a and b
D.
Neither a nor b

Question 47

What is the most commonly used method for error detection in a network?

A.
Parity check
B.
Checksum
C.
Cyclic redundancy check (CRC)
D.
All of the above

Question 48

What is the most commonly used method for error correction in a network?

A.
Parity check
B.
Checksum
C.
Cyclic redundancy check (CRC)
D.
Forward error correction (FEC)

Question 49

How many bits are used for a parity check in a network?

A.
1 bit
B.
2 bits
C.
3 bits
D.
4 bits

Question 50

How many bits are used for a checksum in a network?

A.
1 bit
B.
2 bits
C.
Depends on the number of bits in the data being transmitted
D.
4 bits

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