Q1. The table created by lexical analysis to describe all literals used in the source program is:
(A) Terminal table
(B) Identifier table
(C) Literal table
(D) Address table
Q2. What is the maximum header size of an IP packet?
(A) 32 bytes
(B) 62 bytes
(C) 30 bytes
(D) 60 bytes
Q3. What is the size of Host bits in Class B of address?
(A) 6 bits
(B) 8 bits
(C) 16 bits
(D) 24 bits
Q4. What is the size of Network bits in Class B of address?
(A) 6 bits
(B) 8 bits
(C) 14 bits
(D) 16 bits
Q5. In which type of RAID, data is mirrored between two disks?
(A) RAID 0
(B) RAID 1
(C) RAID 2
(D) RAID 5
Q6. Which of the following are Protocols of Application?
(A) DHCP
(B) Telnet
(C) All of these
Q7. Which of the following protocols are defined in Transport layer?
(A) FTP
(B) TCP
(C) UDP
(D) Both B and C
Q8. Which of the following is not the Networking Devices?
(A) Gateways
(B) Linux
(C) Routers
(D) Firewalls
Q9. What is the size of MAC Address?
(A) 26 bits
(B) 32 bits
(C) 48 bits
(D) 64 bits
Q10. Which of the following can be a software?
(A) Routers
(B) Firewalls
(C) Gateways
(D) Modems
Q11. What is the minimum header size of an IP packet?
(A) 16 bytes
(B) 10 bytes
(C) 20 bytes
(D) 32 bytes
Q12. Which of the following provides reliable communication?
(A) TCP
(B) UDP
(C) FTP
(D) All of these
Q13. A data terminal serves as an:
(A) Effector
(B) Sensor
(C) Both (b) and (c)
(D) None of these
Q14. Devices on one network can communicate with devices on another network via:
(A) Gateway
(B) Gearshift
(C) Descrambler
(D) Difference engine
Q15. Different computers are connected to a LAN by a cable and a/an:
(A) Interface card
(B) Special wires
(C) Telephone lines
(D) All of these
Q16. What are the data transmission channels available for carrying data from one location to another?
(A) Narrowband
(B) Broadband
(C) Voice band
(D) All of these
Q17. Which of the following devices copies electrical signals from one Ethernet to another?
(A) Repeater
(B) Bridge
(C) Passive hub
(D) Encryption
Q18. An example of a medium-speed switched communications service is:
(A) Series 1000
(B) DDD
(C) 2000 photons
(D) DDD photons
Q19. What is the commonly used unit for measuring the speed of data transmission?
(A) Bytes per second
(B) Baud
(C) Bits per second
(D) Baud rate
Q20. Identify the odd term amongst the following group:
(A) Coaxial cable
(B) Half duplex
(C) Microwaves
(D) None of these
Q21. Which of the following is not a transmission medium?
(A) Modem
(B) Coaxial cable
(C) Telephone lines
(D) All of these
Q22. In asynchronous mode, the digital-to-analog converter transmits signal to the:
(A) Equalizer
(B) Modulator
(C) Demodulator
(D) Terminal
Q23. The most flexibility in how devices are wired together is provided by:
(A) Ring network
(B) Bus network
(C) Star network
(D) None of these
Q24. A central computer surrounded by one or more satellite computers is known as:
(A) Ring network
(B) Bus network
(C) Star network
(D) All of these
Q25. A distributed network configuration in which all data/information passes through a central computer:
(A) Bus network
(B) Ring network
(C) Mesh network
(D) Star network
Q26. A data terminal serves as an:
(A) Effector
(B) Sensor
(C) Both (a) and (b)
(D) Neither a) nor b)
Q27. A subdivision of main storage created by operational software is known as:
(A) Partition
(B) Segment
(C) Virtual memory
(D) None of these
Q28. The portion of the system software in which all other software is executed is:
(A) Operating system
(B) Kernel
(C) Firmware
(D) None of these
Q29. The main storage of a computer which allows quick access to data is:
(A) Primary disk
(B) Main storage
(C) Both a) and b)
(D) None of these
Q30. Repeater operates in which layer of the OSI model?
(A) Physical layer
(B) Data link layer
(C) Network layer
(D) Transport layer
Q31. Basic connection on the web server is using:
(A) TCP
(B) UDP
(C) All of these
Q32. How many bits are there in the Ethernet address?
(A) 16 bits
(B) 32 bits
(C) 48 bits
(D) 64 bits
Q33. How many layers are in the TCP model?
(A) 3 layers
(B) 4 layers
(C) 5 layers
(D) 7 layers
Q34. How many layers does OSI reference model has?
(A) 4 layers
(B) 5 layers
(C) 6 layers
(D) 7 layers
Q35. Which of the following programs sort input?
(A) Trigger
(B) Span check
(C) Range check
(D) None of these
Q36. Abend was equivalent to:
(A) Error
(B) Bug
(C) Crash
(D) None of these
Q37. The first low power 8-bit microcomputer on a single chip:
(A) Intel
(B) Processor
(C) Scanner
(D) None of these
Q38. Avalanche photon receiver can detect bits of data at:
(A) 100 photons
(B) 200 photons
(C) 2000 photons
(D) 300 photons
Q39. An example of a medium speed, switched communications service is:
(A) Series 1000
(B) DDD
(C) DDD photons
(D) None of these
Q40. In communication satellite, multiple repeaters are known as:
(A) Transponders
(B) Detectors
(C) Modulators
(D) None of these
Q41. When a frame of data is being transmitted on a LAN, the number of 1s in each byte is:
(A) 6 bits
(B) 7 bits
(C) 8 bits
(D) 9 bits
Q42. In OSI network architecture, the logic control is the major responsibility of:
(A) Session layer
(B) Network layer
(C) Transport layer
(D) Data link layer
Q43. In OSI network architecture, the routing is performed by:
(A) Network layer
(B) Data link layer
(C) Transport layer
(D) Session layer
Q44. Which of the following is not a transmission medium in data communication?
(A) Coaxial cable
(B) Fiber optics
(C) Modem
(D) Satellite
Q45. How many OSI layers are covered in the X.25 standard?
(A) 1 layer
(B) 2 layers
(C) 3 layers
(D) 4 layers
Q46. X.25 protocol works in:
(A) Physical layer
(B) Link layer
(C) Transport layer
(D) Network layer
Q47. What is the number of separate protocol layers at the serial interface gateway in the X.25 standard?
(A) 1 layer
(B) 2 layers
(C) 3 layers
(D) 4 layers
Q48. There are two kinds of digital data protocols which are:
(A) Asynchronous
(B) Synchronous
(C) Both a) and b)
(D) None of these
Q49. An example of digital, rather than analog, communication is:
(A) DDD
(B) DDS
(C) WATS
(D) DDT
Q50. In OSI network architecture, the dialogue control and token management are responsibilities of:
(A) Network layer
(B) Transport layer
(C) Data link layer
(D) Session layer
Q51. In OSI network architecture, the routing is performed by:
(A) Network layer
(B) Data link layer
(C) Session layer
(D) Physical layer
Q52. The DDD long distance communication service requires mediation registration and confirmation tests:
(A) DDD
(B) Local
(C) DDD local
(D) None of these
Q53. How many hosts are attached to each of the local area networks at your site?
(A) 64 hosts
(B) 128 hosts
(C) 256 hosts
(D) 512 hosts
Q54. Data communications monitors available on the software market include:
(A) ENVIRON/1
(B) TOTAL
(C) BPL
(D) None of these
Q55. Data communications monitors available on the software market include:
(A) ENVIRON/1
(B) TOTAL
(C) TPL
(D) None of these
Q56. Which is a permanent database in the general model of a compiler?
(A) Terminal table
(B) Identifier table
(C) Literal table
(D) None of these
Q57. A sequence of actions in a computer language to get the desired result is known as:
(A) Algorithm
(B) Decision table
(C) 100 bits
(D) Program
Q58. Sending a file from your personal computer’s primary memory or disk to another computer is called:
(A) Uploading
(B) Downloading
(C) Logging on
(D) Hang on
Q59. The communication mode that supports two-way traffic but only one direction at a time is:
(A) Simplex
(B) Duplex
(C) Half duplex
(D) None of these
Q60. Number of bits per symbol used in Baud code:
(A) 1 bit
(B) 5 bits
(C) 8 bits
(D) 9 bits
Q61. Which of the following does not allow multiple users or devices to share one communication line?
(A) Doubleplexer
(B) Multiplexer
(C) Concentrator
(D) Controller
Q62. Which of the following signal is not standard RS-232-C signal?
(A) VDR
(B) RTS
(C) CTS
(D) DSD
Q63. The transmission signal coding method for T1 carrier is called:
(A) Bipolar
(B) NRZ
(C) Manchester
(D) Binary
Q64. Which data communication method is used to transmit the data over a serial communication link?
(A) Simplex
(B) Half duplex
(C) Full duplex
(D) Both b) and c)
Q65. What is the minimum number of wires needed to send data over a serial communication link layer?
(A) 1 wire
(B) 2 wires
(C) 4 wires
(D) 6 wires
Q66. A communications device that combines transmissions from several I/O devices into one line is a:
(A) Concentrator
(B) Modem
(C) Multiplexer
(D) Full duplex line
Q67. How much power a roughly light-emitting diode can couple into an optical fiber?
(A) 100 microwatts
(B) 400 microwatts
(C) 100 picowatts
(D) 10 milliwatts
Q68. In asynchronous modem, the digital-to-analog converter transmits signal to the:
(A) Equalizer
(B) Modulator
(C) Demodulator
(D) Terminal