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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.
| 51. |
*/*_Select the wrong data communication system component:? |
| A. | Medium |
| B. | Protocol |
| C. | Receiver |
| D. | Transits |
| Answer» E. | |
| 52. |
*/*_Twisted pair wires, coaxial cable, optical fiber cables are the examples of:? |
| A. | Wired Media |
| B. | Wireless Media |
| C. | Both A & B |
| D. | None of these |
| Answer» B. Wireless Media | |
| 53. |
*/*_Number of Unguided Media is:? |
| A. | 6 |
| B. | 5 |
| C. | 4 |
| D. | 3 |
| Answer» E. | |
| 54. |
*/*_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. | 300 |
| B. | 240 |
| C. | 250 |
| D. | 275 |
| Answer» B. 240 | |
| 55. |
*/*_The ________ measures the number of lost or garbled messages as a fraction of the total sent in the sampling period.? |
| A. | Residual Error Rate. |
| B. | Transfer Failure Probability. |
| C. | Connection release failure probability. |
| D. | Connection establish. |
| Answer» B. Transfer Failure Probability. | |
| 56. |
*/*_The Network topology that supports bi-directional links between each possible node is? |
| A. | Ring |
| B. | Star |
| C. | Tree |
| D. | Mesh |
| Answer» E. | |
| 57. |
_ The ________ measures the number of lost or garbled messages as a fraction of the total sent in the sampling period.$? |
| A. | Residual Error Rate. |
| B. | Transfer Failure Probability. |
| C. | Connection release failure probability. |
| D. | Connection establish. |
| Answer» B. Transfer Failure Probability. | |
| 58. |
_ How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)?$? |
| A. | 300 |
| B. | 240 |
| C. | 250 |
| D. | 275 |
| Answer» B. 240 | |
| 59. |
_ Twisted pair wires, coaxial cable, optical fiber cables are the examples of:$? |
| A. | Wired Media |
| B. | Wireless Media |
| C. | Both A & B |
| D. | None of these |
| Answer» B. Wireless Media | |
| 60. |
_ Select the wrong data communication system component:$? |
| A. | Medium |
| B. | Protocol |
| C. | Receiver |
| D. | Transits |
| Answer» E. | |
| 61. |
_ Correct method for full duplex mode of communication is:$? |
| A. | Both stations can transmit and receive data at the |
| B. | One device can send other device can only accepts. |
| C. | One device sends and other device receives and vic |
| D. | None of these |
| Answer» B. One device can send other device can only accepts. | |
| 62. |
_ The Network topology that supports bi-directional links between each possible node is$? |
| A. | Ring |
| B. | Star |
| C. | Tree |
| D. | Mesh |
| Answer» E. | |
| 63. |
_ Number of Unguided Media is:$? |
| A. | 6 |
| B. | 5 |
| C. | 4 |
| D. | 3 |
| Answer» E. | |
| 64. |
Maximum data rate of a channel for a noiseless 3-kHz binary channel is$? |
| A. | 3000bps |
| B. | 6000 bps |
| C. | 1500 bps |
| D. | None of these |
| Answer» C. 1500 bps | |
| 65. |
Unmodulated signal coming from a transmitter is know as$? |
| A. | Carrier signal |
| B. | Baseband signal |
| C. | Primary signal |
| D. | None of these |
| Answer» C. Primary signal | |
| 66. |
Select the correct cable that transport signals in the form of light:$? |
| A. | Twisted-Pair cable |
| B. | Fiber optic cable |
| C. | Coaxial Cable |
| D. | Shielded Twisted Pair cable |
| Answer» C. Coaxial Cable | |
| 67. |
Select correct type of line configuration:$? |
| A. | Multi-point |
| B. | Single point |
| C. | Link |
| D. | Dedicated point |
| Answer» B. Single point | |
| 68. |
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?$? |
| A. | WAN and LAN |
| B. | Hardware and software |
| C. | Full duplex and half duplex |
| D. | All of the above |
| Answer» C. Full duplex and half duplex | |
| 69. |
which of the following is not a field in the Ethernet Message packet?$? |
| A. | Type |
| B. | Data |
| C. | Pin-code |
| D. | Address |
| Answer» D. Address | |
| 70. |
Select the cable that uses copper conductor, accept and transport signals in the form of electric current?$? |
| A. | Fiber-optic cable |
| B. | Metallic cable |
| C. | Twisted pair cable |
| D. | All of the above |
| Answer» D. All of the above | |
| 71. |
The method of communication in which transmission takes place in both directions, but only one direction at a time is called |
| A. | Simplex |
| B. | Four wire circuit |
| C. | Full Duplex |
| D. | Half Duplex |
| Answer» E. | |
| 72. |
A terminal multiplexer has six 1200 bps terminals and 'n' 300bps terminals connected to it. The outgoing line is 9600bps. What is the maximum value of n? |
| A. | 4 |
| B. | 16 |
| C. | 8 |
| D. | 28 |
| Answer» D. 28 | |
| 73. |
Start and stop bits are used in serial communication for |
| A. | Error detection |
| B. | Error correction |
| C. | Synchronization |
| D. | Slowing down the communication |
| Answer» D. Slowing down the communication | |
| 74. |
OSI model means: |
| A. | Open systems interconnection |
| B. | Operating system interconnection |
| C. | Open source interconnection |
| D. | Operating source interconnection |
| Answer» B. Operating system interconnection | |
| 75. |
00 represents a pixel that pixel is known as : |
| A. | Black pixel |
| B. | Light gray |
| C. | White pixel |
| D. | Dark gray pixel |
| Answer» B. Light gray | |
| 76. |
What is Unicode? |
| A. | Represents symbol or characters used in any langua |
| B. | Only few languages are supported |
| C. | Supports only few characters |
| D. | Characters from A to Z |
| Answer» B. Only few languages are supported | |
| 77. |
Which of the following ISO level is more closely related to the physical communications facilities? |
| A. | Application |
| B. | Session |
| C. | Networking |
| D. | Data Link |
| Answer» E. | |
| 78. |
Which network is a cross between circuits switched network and a data-gram network? |
| A. | Circuit-switched network |
| B. | Virtual-circuit network |
| C. | Virtual-circuit identifier |
| D. | None of these |
| Answer» C. Virtual-circuit identifier | |
| 79. |
Protocols are |
| A. | Agreements on how communication components and DTE |
| B. | Logical communication channels used for transferri |
| C. | Physical communication channels used for transferr |
| D. | None of the above |
| Answer» B. Logical communication channels used for transferri | |
| 80. |
The number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self connection is |
| A. | 100 |
| B. | 45 |
| C. | 50 |
| D. | 90 |
| Answer» C. 50 | |
| 81. |
"BAUD" rate means |
| A. | The number of bits transmitted per unit time. |
| B. | The number of bytes transmitted per unit time. |
| C. | The rate at which the signal changes. |
| D. | None of the above |
| Answer» D. None of the above | |
| 82. |
If one link fails, only that link is affected. All other links remain active. Which topology does this? |
| A. | Mesh topology |
| B. | Star topology |
| C. | Bus topology |
| D. | Physical topology |
| Answer» C. Bus topology | |
| 83. |
A data communications system has: |
| A. | 4 components |
| B. | 5 components |
| C. | 6 components |
| D. | 7 components |
| Answer» C. 6 components | |
| 84. |
Which network has connectivity range up to 10 meters? |
| A. | LAN |
| B. | PAN |
| C. | MAN |
| D. | WAN |
| Answer» C. MAN | |
| 85. |
A high speed communication equipment typically would not be needed for |
| A. | |
| B. | Transferring large volume of data |
| C. | Supporting communication between nodes in a LAN |
| D. | All of these |
| Answer» B. Transferring large volume of data | |
| 86. |
What is Cladding? |
| A. | Cables with shield |
| B. | Coxial Cable |
| C. | A typical optical fiber consists of a very narrow |
| D. | None of these |
| Answer» D. None of these | |
| 87. |
What is the full form of The Acronym ISDN in Networking Miscellaneous? |
| A. | Indian Standard Digital Network |
| B. | Integrated Services Digital Network |
| C. | Intelligent Services Digital Network |
| D. | Integrated Services Data Network |
| E. | None of the above |
| Answer» C. Intelligent Services Digital Network | |
| 88. |
Which switch is a multistage switch with micro switches at each stage that route the packets based on the output port represented as a binary string? |
| A. | Banyan switch |
| B. | Crossbar switch |
| C. | Multistage crossbar |
| D. | Packet switch |
| Answer» B. Crossbar switch | |
| 89. |
Which is also known as a connectionless protocol for a packet-switching network that uses the Datagram approach? |
| A. | IPV5 |
| B. | IPV4 |
| C. | IPV6 |
| D. | None of these |
| Answer» C. IPV6 | |
| 90. |
The transport layer protocol is connectionless. |
| A. | NVT |
| B. | FTP |
| C. | TCP |
| D. | UDP |
| E. | None of the above |
| Answer» E. None of the above | |
| 91. |
A distributed network configuration in which all data/information pass through a central computer is |
| A. | bus network |
| B. | star network |
| C. | ring network |
| D. | Point-to-point network |
| E. | None of the above |
| Answer» C. ring network | |
| 92. |
With telecommunications and a personal computer you can |
| A. | "download" free public domain programs |
| B. | send letters to be printed and delivered by the post office |
| C. | order goods at a substantial discount |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 93. |
CSMA (Carrier Sense Multiple Access) is |
| A. | a method of determining which device has access to the transmission medium at any time |
| B. | a method access control technique for multiple-access transmission media. |
| C. | a very common bit-oriented data link protocol issued by ISO. |
| D. | network access standard for connecting stations to a circuit-switched network |
| E. | None of the above |
| Answer» C. a very common bit-oriented data link protocol issued by ISO. | |
| 94. |
Which application allows a user to access and change remote files without actual transfer? |
| A. | TELNET |
| B. | NFS |
| C. | FTP |
| D. | DNS |
| E. | None of the above |
| Answer» C. FTP | |
| 95. |
A communications device that combines transmissions from several I/O devices into one line is a: |
| A. | concentrator |
| B. | modifier |
| C. | multiplexer |
| D. | full-duplex line |
| E. | None of the above |
| Answer» D. full-duplex line | |