MCQOPTIONS
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MCQOPTIONS
This section includes 95 Mcqs, each offering curated multiple-choice questions to sharpen your Networking knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An error-detecting code inserted as a fieldinablockof datatobe transmitted is known as |
| A. | rame check sequence |
| B. | rror detecting code |
| C. | hecksum |
| D. | low control |
| E. | one of the above |
| Answer» B. rror detecting code | |
| 2. |
The transport layerprotocol is connectionless. |
| A. | VT |
| B. | TP |
| C. | CP |
| D. | DP |
| E. | one of the above |
| Answer» E. one of the above | |
| 3. |
Which application allows a user to accessandchange remotefiles without actual transfer? |
| A. | ELNET |
| B. | FS |
| C. | TP |
| D. | NS |
| E. | one of the above |
| Answer» C. TP | |
| 4. |
CSMA(CarrierSenseMultiple Access) is |
| A. | method of determining which device has access to the transmission medium at any time |
| B. | method access control technique for multiple-access transmission media. |
| C. | very common bit-oriented data link protocol issued by ISO. |
| D. | etwork access standard for connecting stations to a circuit-switched network |
| E. | one of the above |
| Answer» C. very common bit-oriented data link protocol issued by ISO. | |
| 5. |
Withtelecommunicationsanda personal computer you can |
| A. | download" free public domain programs |
| B. | end letters to be printed and delivered by the post office |
| C. | rder goods at a substantial discount |
| D. | ll of the above |
| E. | one of the above |
| Answer» E. one of the above | |
| 6. |
What does the acronym ISDN stand for? |
| A. | ndian Standard Digital Network |
| B. | ntegrated Services Digital Network |
| C. | ntelligent Services Digital Network |
| D. | ntegrated Services Data Network |
| E. | one of the above |
| Answer» C. ntelligent Services Digital Network | |
| 7. |
The topology with highest reliability is: |
| A. | us topology |
| B. | tar topology |
| C. | ing topology |
| D. | esh topology |
| Answer» E. | |
| 8. |
Which of the following is a wrong example of network layer? |
| A. | nternet Protocol (IP) - ARPANET |
| B. | .25 Packet Level Protocol (PLP)-ISO |
| C. | ource routing and domain naming-USENet |
| D. | .25 level 2-ISO |
| Answer» E. | |
| 9. |
Error detection at the data link level is achieved by |
| A. | it Stuffing |
| B. | yclic Redundancy Code |
| C. | amming Code |
| D. | qualization |
| Answer» C. amming Code | |
| 10. |
The method of communication in which transmission takes place inboth directions, but only one direction at a time is called |
| A. | implex |
| B. | our wire circuit |
| C. | ull Duplex |
| D. | alf Duplex |
| Answer» E. | |
| 11. |
A distributed network configuration in which alldata/information pass through a central computer is |
| A. | us network |
| B. | tar network |
| C. | ing network |
| D. | oint-to-point network |
| E. | one of the above |
| Answer» C. ing network | |
| 12. |
Which one of the following network uses dynamic or adaptive routing? |
| A. | YMNET |
| B. | RPANET |
| C. | NA(IBM's System Network Architechture) |
| D. | one of these |
| Answer» C. NA(IBM's System Network Architechture) | |
| 13. |
How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)? |
| A. | 00 |
| B. | 40 |
| C. | 50 |
| D. | 75 |
| Answer» B. 40 | |
| 14. |
Unmodulated signal coming from a transmitter is know as |
| A. | arrier signal |
| B. | aseband signal |
| C. | rimary signal |
| D. | one of these |
| Answer» C. rimary signal | |
| 15. |
In session layer, during data transfer, the data stream responsible for the "control" purpose (i.e control of the session layer itself) is |
| A. | egular Data |
| B. | yped data |
| C. | apability Data |
| D. | xpedited Data |
| Answer» D. xpedited Data | |
| 16. |
The ________ measures the number of lost or garbled messages as a fraction of the total sent in the sampling period. |
| A. | esidual Error Rate. |
| B. | ransfer Failure Probability. |
| C. | onnection release failure probability. |
| D. | onnection establish. |
| Answer» B. ransfer Failure Probability. | |
| 17. |
Maximum data rate of a channel for a noiseless 3-kHz binary channel is |
| A. | 000bps |
| B. | 000 bps |
| C. | 500 bps |
| D. | one of these |
| Answer» C. 500 bps | |
| 18. |
In a broad Sense, a railway track is an example of |
| A. | implex |
| B. | alf Duplex |
| C. | ull Duplex |
| D. | ll of these |
| Answer» C. ull Duplex | |
| 19. |
The Network topology that supports bi-directional links between each possible node is |
| A. | ing |
| B. | tar |
| C. | ree |
| D. | esh |
| Answer» B. tar | |
| 20. |
which of the following is not a field in the Ethernet Message packet? |
| A. | ype |
| B. | ata |
| C. | in-code |
| D. | ddress |
| Answer» D. ddress | |
| 21. |
Data communications system depends on four fundamental characteristics |
| A. | eceiver |
| B. | ender |
| C. | imeliness |
| D. | edium |
| Answer» D. edium | |
| 22. |
Correct method for full duplex mode of communication is: |
| A. | oth stations can transmit and receive data at the |
| B. | ne device can send other device can only accepts. |
| C. | ne device sends and other device receives and vic |
| D. | one of these |
| Answer» B. ne device can send other device can only accepts. | |
| 23. |
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of? |
| A. | AN and LAN |
| B. | ardware and software |
| C. | ull duplex and half duplex |
| D. | ll of the above |
| Answer» C. ull duplex and half duplex | |
| 24. |
Time required for a message to travel from one device to another is known as: |
| A. | ransit time |
| B. | ialogue time |
| C. | esponse time |
| D. | ait time |
| Answer» B. ialogue time | |
| 25. |
Select the wrong data communication system component: |
| A. | edium |
| B. | rotocol |
| C. | eceiver |
| D. | ransits |
| Answer» E. | |
| 26. |
Select correct type of line configuration: |
| A. | ulti-point |
| B. | ingle point |
| C. | ink |
| D. | edicated point |
| Answer» B. ingle point | |
| 27. |
Switching at the network layer in the Internet uses the datagram approach to: |
| A. | essage switching |
| B. | ircuit switching |
| C. | P switching |
| D. | acket switching |
| Answer» E. | |
| 28. |
Select the cable that uses copper conductor, accept and transport signals in the form of electric current? |
| A. | iber-optic cable |
| B. | etallic cable |
| C. | wisted pair cable |
| D. | ll of the above |
| Answer» D. ll of the above | |
| 29. |
Which of the followings is used in communications is referred to as unshielded twisted-pair (UTP)? |
| A. | oaxial cable |
| B. | iber-optic cable |
| C. | wisted-pair cable |
| D. | one of these |
| Answer» D. one of these | |
| 30. |
Twisted pair wires, coaxial cable, optical fiber cables are the examples of: |
| A. | ired Media |
| B. | ireless Media |
| C. | oth A & B |
| D. | one of these |
| Answer» B. ireless Media | |
| 31. |
Select the correct cable that transport signals in the form of light: |
| A. | wisted-Pair cable |
| B. | iber optic cable |
| C. | oaxial Cable |
| D. | hielded Twisted Pair cable |
| Answer» C. oaxial Cable | |
| 32. |
In communication satellite, multiple repeaters are known as~! |
| A. | detector |
| B. | modulator |
| C. | stations |
| D. | transponders |
| E. | None of the above |
| Answer» E. None of the above | |
| 33. |
Which utility is an all-purpose tool for troubleshooting TCP/IP problems?~! |
| A. | NBTSTAT |
| B. | Netstat |
| C. | PING |
| D. | Hostname |
| E. | None of the above |
| Answer» D. Hostname | |
| 34. |
The topology with highest reliability is:%! |
| A. | Bus topology |
| B. | Star topology |
| C. | Ring topology |
| D. | Mesh topology |
| Answer» E. | |
| 35. |
Data communications system depends on four fundamental characteristics%! |
| A. | Receiver |
| B. | Sender |
| C. | Timeliness |
| D. | Medium |
| Answer» D. Medium | |
| 36. |
Time required for a message to travel from one device to another is known as:%! |
| A. | Transit time |
| B. | Dialogue time |
| C. | Response time |
| D. | Wait time |
| Answer» B. Dialogue time | |
| 37. |
Which of the followings is used in communications is referred to as unshielded twisted-pair (UTP)?%! |
| A. | Coaxial cable |
| B. | Fiber-optic cable |
| C. | Twisted-pair cable |
| D. | None of these |
| Answer» D. None of these | |
| 38. |
Switching at the network layer in the Internet uses the datagram approach to:%! |
| A. | Message switching |
| B. | Circuit switching |
| C. | IP switching |
| D. | Packet switching |
| Answer» E. | |
| 39. |
Which one of the following network uses dynamic or adaptive routing?%! |
| A. | TYMNET |
| B. | ARPANET |
| C. | SNA(IBM's System Network Architechture) |
| D. | None of these |
| Answer» C. SNA(IBM's System Network Architechture) | |
| 40. |
In session layer, during data transfer, the data stream responsible for the "control" purpose (i.e control of the session layer itself) is%! |
| A. | Regular Data |
| B. | Typed data |
| C. | Capability Data |
| D. | Expedited Data |
| Answer» D. Expedited Data | |
| 41. |
In a broad Sense, a railway track is an example of%! |
| A. | Simplex |
| B. | Half Duplex |
| C. | Full Duplex |
| D. | All of these |
| Answer» C. Full Duplex | |
| 42. |
*/*_The topology with highest reliability is:? |
| A. | Bus topology |
| B. | Star topology |
| C. | Ring topology |
| D. | Mesh topology |
| Answer» E. | |
| 43. |
*/*_In session layer, during data transfer, the data stream responsible for the "control" purpose (i.e control of the session layer itself) is? |
| A. | Regular Data |
| B. | Typed data |
| C. | Capability Data |
| D. | Expedited Data |
| Answer» D. Expedited Data | |
| 44. |
*/*_Which one of the following network uses dynamic or adaptive routing?? |
| A. | TYMNET |
| B. | ARPANET |
| C. | SNA(IBM's System Network Architechture) |
| D. | None of these |
| Answer» C. SNA(IBM's System Network Architechture) | |
| 45. |
*/*_Which of the followings is used in communications is referred to as unshielded twisted-pair (UTP)?? |
| A. | Coaxial cable |
| B. | Fiber-optic cable |
| C. | Twisted-pair cable |
| D. | None of these |
| Answer» D. None of these | |
| 46. |
*/*_Time required for a message to travel from one device to another is known as:? |
| A. | Transit time |
| B. | Dialogue time |
| C. | Response time |
| D. | Wait time |
| Answer» B. Dialogue time | |
| 47. |
*/*_Data communications system depends on four fundamental characteristics? |
| A. | Receiver |
| B. | Sender |
| C. | Timeliness |
| D. | Medium |
| Answer» D. Medium | |
| 48. |
*/*_In a broad Sense, a railway track is an example of? |
| A. | Simplex |
| B. | Half Duplex |
| C. | Full Duplex |
| D. | All of these |
| Answer» C. Full Duplex | |
| 49. |
*/*_Switching at the network layer in the Internet uses the datagram approach to:? |
| A. | Message switching |
| B. | Circuit switching |
| C. | IP switching |
| D. | Packet switching |
| Answer» E. | |
| 50. |
*/*_Correct method for full duplex mode of communication is:? |
| A. | Both stations can transmit and receive data at the |
| B. | One device can send other device can only accepts. |
| C. | One device sends and other device receives and vic |
| D. | None of these |
| Answer» B. One device can send other device can only accepts. | |