The connection between your computer at home and your local ISP is called _____
1 Marks
Choose Option AA. The backbone
Choose Option BB. The home page
Choose Option CC. The home stretch
Choose Option DD. The last mile
2. VSB modulation is preferred in TV because
1 Marks
Choose Option AA. it reduces the bandwidth requirement to half
Choose Option BB. it avoids phase distortion at low frequencies
Choose Option CC. it results in better reception
Choose Option DD. none of the above
3. What is the frequency range of the coaxial cable?
1 Marks
Choose Option AA. 100KHz to 500MHz
Choose Option BB. 100MHz to 500MHz
Choose Option CC. 1000KHz to 500MHz
Choose Option DD. 10MHz to 50MHz
4. Energy is lost in wires due to
1 Marks
Choose Option AA. heating
Choose Option BB. resistance
Choose Option CC. conduction
Choose Option DD. both A and B
5. At the end of communication system, the signal is converted from radio to
1 Marks
Choose Option AA. sound
Choose Option BB. mechanical energy
Choose Option CC. kinetic energy
Choose Option DD. potential energy
6. Thicknet can carry signal for_____meters.
1 Marks
Choose Option AA. 500m
Choose Option BB. 1000m
Choose Option CC. 100m
Choose Option DD. 200m
7. If frequency of modulated wave is less than frequency of carrier wave, then input signal is
1 Marks
Choose Option AA. negative
Choose Option BB. positive
Choose Option CC. zero
Choose Option DD. infinite
8. Decrease in strength of signal is known as
1 Marks
Choose Option AA. tuning
Choose Option BB. modulation
Choose Option CC. attenuation
Choose Option DD. amplification
9. As compared to sound waves the frequency of radio waves is
1 Marks
Choose Option AA. lower
Choose Option BB. higher
Choose Option CC. equal
Choose Option DD. may be higher or lower
10. How many types of coaxial cable?
1 Marks
Choose Option AA. 2
Choose Option BB. 3
Choose Option CC. 4
Choose Option DD. 5
11. What is the function of the receiver?
1 Marks
Choose Option AA. Converts signal into electric form
Choose Option BB. Reducing noise during transmission
Choose Option CC. Operating on the received signal
Choose Option DD. Converting the signal into a useful form
12. Which of the following is the reason for signal distortion?
1 Marks
Choose Option AA. Speed of the signal
Choose Option BB. Wearing down of the essential elements
Choose Option CC. Absence of a channel
Choose Option DD. Channel imperfection
13. Way in which computer data is transmitted from one place to another is called
1 Marks
Choose Option AA. transmission mode
Choose Option BB. transfer mode
Choose Option CC. sending mode
Choose Option DD. receiving mode
14. Which among the following can be an input to a transmitter?
1 Marks
Choose Option AA. Voice signal
Choose Option BB. Electric signal
Choose Option CC. Light signal
Choose Option DD. Wave signal
15. The information of MIS comes from the
1 Marks
Choose Option AA. Internal source
Choose Option BB. External source
Choose Option CC. Both internal and external source
Choose Option DD. None of the above
16. How many connectors are used for coaxial cable?
1 Marks
Choose Option AA. 3
Choose Option BB. 5
Choose Option CC. 4
Choose Option DD. 2
17. Which of the following is the purpose of the transmitter?
1 Marks
Choose Option AA. Converts signals to electric form
Choose Option BB. Operating the received signal
Choose Option CC. Converting the signal into a suitable form
Choose Option DD. Reduces noise from signals
18. How many elements are essential for any communication system?
1 Marks
Choose Option AA. 3
Choose Option BB. 2
Choose Option CC. 4
Choose Option DD. 7
19. __ is the procedure of constraining something from a continuous set of values to a discrete set.
1 Marks
Choose Option AA. Scrambling
Choose Option BB. Encoding
Choose Option CC. Quantization
Choose Option DD. Decoding
20. Internet surfing is an example of
1 Marks
Choose Option AA. simplex
Choose Option BB. half duplex
Choose Option CC. full duplex
Choose Option DD. LAN
21. Which of the following are coaxial cable-layers?
1 Marks
Choose Option AA. thinnet
Choose Option BB. thicknet
Choose Option CC. copper
Choose Option DD. A and B both
22. The packets of data that is transported by Internet protocol (IP) is called
1 Marks
Choose Option AA. datagrams
Choose Option BB. frames
Choose Option CC. segments
Choose Option DD. encapsulate message
23. A data element is the smallest entity that can represent a piece of ___.
1 Marks
Choose Option AA. Data
Choose Option BB. Knowledge
Choose Option CC. Information
Choose Option DD. Signal
24. ___ is the process of converting digital data to digital signals.
1 Marks
Choose Option AA. Line coding
Choose Option BB. Data Encoding
Choose Option CC. Sampling
Choose Option DD. Data Decoding
25. Example of computer simplex mode is
1 Marks
Choose Option AA. television broadcast
Choose Option BB. radio
Choose Option CC. both A and B
Choose Option DD. internet
26. __ is defined as the rate of transferring error-free data.
1 Marks
Choose Option AA. Consistency
Choose Option BB. Slow
Choose Option CC. Performance
Choose Option DD. Bandwidth
27. If you use either Telnet or FTP, which is the highest layer you are using to transmit data?
1 Marks
Choose Option AA. Application
Choose Option BB. Session
Choose Option CC. Presentation
Choose Option DD. Transport
28. In Computer terminology ‘CAD’ is stands for
1 Marks
Choose Option AA. Computer and Design
Choose Option BB. Computer and Device
Choose Option CC. Computer Algorithm in Design
Choose Option DD. Computer Aided Design
29. In ____ computers, computation is carried out with physical quantities such as voltage, length, current, temperature, etc.
1 Marks
Choose Option AA. Analog
Choose Option BB. Digital
Choose Option CC. Hybrid
Choose Option DD. Micro computer
30. Something which has easily understood instructions is said to be
1 Marks
Choose Option AA. Information
Choose Option BB. Icon
Choose Option CC. Word processing
Choose Option DD. User friendly
31. The OSI model consists of ___ layers.
1 Marks
Choose Option AA. Five
Choose Option BB. Seven
Choose Option CC. Eight
Choose Option DD. Nine
32. On which OSI layer do Pocket Filtering Firewalls work?
1 Marks
Choose Option AA. at the application layer
Choose Option BB. at the transport layer
Choose Option CC. at the network layer
Choose Option DD. both b and c
33. Guided media is also known as_______.
1 Marks
Choose Option AA. bound media
Choose Option BB. guided media
Choose Option CC. unguided media
Choose Option DD. none of the above
34. Which of the following are stateful packets if a stateful firewall is to filter connection-oriented packets?
1 Marks
Choose Option AA. UDP
Choose Option BB. ICP
Choose Option CC. IP
Choose Option DD. ICMP
35. Which media is used to provide protection to Radio Frequency?
1 Marks
Choose Option AA. UTP
Choose Option BB. STP
Choose Option CC. Coax
Choose Option DD. Fibers
36. What are the advantages of using a firewall for LAN?
1 Marks
Choose Option AA. Helps to access the message
Choose Option BB. Controlling different resources in a disciplined manner
Choose Option CC. Providing Security for the LAN
Choose Option DD. Both b and c
37. Which of the following is an example of a Tunneling Network?
1 Marks
Choose Option AA. Private network data is encapsulated
Choose Option BB. Private data is transmitted over public networks
Choose Option CC. None of the above
Choose Option DD. Both A and B
38. Which of the following are dependable tools?
1 Marks
Choose Option AA. flash cards
Choose Option BB. smart cards
Choose Option CC. memory card
Choose Option DD. masterCard
39. When the user is banned from downloading software, then what is it called?
1 Marks
Choose Option AA. desktop lockdown
Choose Option BB. desktop lockup
Choose Option CC. both a and b
Choose Option DD. None of these
40. Which device is used to provide security to mobile storage?
1 Marks
Choose Option AA. flash card
Choose Option BB. smart card
Choose Option CC. public key
Choose Option DD. All of the above
41. Which hardening method is used by a computer for IP address and name?
1 Marks
Choose Option AA. NTFS
Choose Option BB. IFS
Choose Option CC. PKI
Choose Option DD. Access Control List
42. Transmission Control Protocol/Internet Networking Protocol have
1 Marks
Choose Option AA. four layers
Choose Option BB. five layers
Choose Option CC. six layers
Choose Option DD. seven layers
43. Which command is used in Linux to change folder permission?
1 Marks
Choose Option AA. CHMOD
Choose Option BB. IS
Choose Option CC. IS-I
Choose Option DD. Top
44. Which of the following is not a fibre cable limb property?
1 Marks
Choose Option AA. sending data at a higher speed than copper cable
Choose Option BB. capturing Waves Easily With Copper Cable
Choose Option CC. density function
Choose Option DD. send as single light
45. How many forms in twisted pair cable?
1 Marks
Choose Option AA. 2
Choose Option BB. 4
Choose Option CC. 3
Choose Option DD. None of the above
46. Which of the following is VPN Remote Computing Tunneling Protocol?
1 Marks
Choose Option AA. L2F
Choose Option BB. L2TP
Choose Option CC. PPTP
Choose Option DD. All of the above
47. Which of the following device has File Sharing, and Network Connection the same protection provided?
1 Marks
Choose Option AA. Switch
Choose Option BB. Server
Choose Option CC. Workstation
Choose Option DD. Both B and C
48. Which of the following is used to connect one station with another?
1 Marks
Choose Option AA. VPN
Choose Option BB. VLAN
Choose Option CC. RADIUS
Choose Option DD. NAT
49. Computer data transmission mode in which data can flow in both directions but not at the same time is called
1 Marks
Choose Option AA. simplex mode
Choose Option BB. half duplex mode
Choose Option CC. full duplex mode
Choose Option DD. duplex mode
50. The parameter that is normally achieved through a trailer added to the end of the frame is
1 Marks
Choose Option AA. access control
Choose Option BB. flow control
Choose Option CC. error control
Choose Option DD. physical addressing

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