InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Naina says that the following numbers indicate an address:208 .77 . 188 . 166.What is the above address called? To which object/device is it assigned? |
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Answer» 208 .77 . 188 . 166 - IP address It is a numerical label that is assigned to device participating in a network. |
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| 52. |
Alisha needs a network device that should regenerate the signal over the same network before the signal becomes too weak or corrupted. Chris needs a network device to connect two different networks together that work upon different networking models so that the two networks can communicate properly. Name the devices that should be used by Alisha and Chris. |
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Answer» Alisha - Repeater Chris - Gateway |
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| 53. |
Identify the following devices:(i) An intelligent device that connects several nodes to form a network and redirects the received information only to intended node(s).(ii) A device that regenerates (amplifies) the received signal and re-transmits it to its destination. |
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Answer» (i) Router (ii) Repeater |
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| 54. |
Which of the following is/are not communication medium?(a) Optical fiber cable(b) Co-axial Cable(c) Microwave(d) LAN(ii) Out of the above, write the name of wired communication media. |
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Answer» (i) LAN (ii) Optical fiber cable and coaxial cable. |
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| 55. |
What is the purpose of server in a network? |
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Answer» A server manages network resources in a network. |
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| 56. |
Write one advantage each of Star and Bus topology used in networking. |
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Answer» Bus Topology: Advantages: (i) It is very easy and understandable. (ii) There is no much wires used for connectivity therefore it is less expensive. Star Topology: Advantages: (i) We can easily increase computers in a network without any disturbance. (ii) we can easily diagnose errors due to central device. (iii) In star network, if any cable or node failure independent cable to the central switching then there is no effect on entire network. |
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| 57. |
What is meant by communication channels? Give two example of guided media and two examples of unguided media. |
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Answer» A transmission medium or a communication channel is one which carries a signal from one computer to another. Guided media: Co-axial Cable, Optical Fiber Unguided media: Radiowaves, Satellite communication. |
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| 58. |
Identify the type of Topology from the following:(i) If each node is connected with the help of independent cable to the central switching (communication controller).(ii) If each node is connected with the help of a single co-axial cable. |
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Answer» (i) Star topology (ii) Bus topology |
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| 59. |
Why is a switch called an intelligent hub? |
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Answer» Switches learn the location of the devices that they are connected to almost instantaneously. The net result is that most network traffic only goes where it needs to rather than to every port. On busy networks, this can make the network significantly faster. |
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| 60. |
Which communication channel(s) is/are suitable in each of the following situations:(i) Setting up a LAN.(ii) Transfer of data from a laptop to a mobile phone.(iii) Transfer of data from one mobile phone to another.(iv) Creating a remote control that can control multiple devices in a home.(v) Very fast communication between two offices in two different countries.(vi) Communication in a hilly area.(vii) Communication within a city and its vicinity where cost of cabling is too high. |
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Answer» (i) Co-axial cable or Optical fiber (ii) Bluetooth (iii) Bluetooth (iv) Infrared (v) Satellite (vi) Radio Waves (vii) Co-axial cable or radiowaves |
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| 61. |
What is the name of the network topology in which each node is connected independently using a switch? |
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Answer» Star topology. |
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| 62. |
Mention the advantages of a switch over a hub? |
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Answer» (i) A switch is faster than a hub. (ii) With switches, the connected computers communicate at full bandwidth. (iii) A switch offers full-duplex communication while a hub offers only half-duplex. |
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| 63. |
Define hub and write its types. |
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Answer» A hub connects several computers together and acts as a central node or server. All the incoming data packets received by the hub are sent to all hub ports and from there, the data is sent to all the computers connected in a hub network. Hubs are of two types. (i) Active hubs acts as a repeater. (ii) Passive hub simply passes the signal from one device to another. |
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| 64. |
Explain infrared transmission. |
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Answer» It is used in everyday life - Tv remotes, wireless speakers, automotive garage doors, etc. It will not penetrate walls. It is considered secure. |
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| 65. |
When is a repeater used in a computer network? |
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Answer» A repeater retimes and regenerates the signal periodically and hence extends the distance over which data can safely travel. We need a repeater when the total length of a single span of network cable exceeds 100 meters. |
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| 66. |
What are the drawbacks of microwave transmission? |
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Answer» (i) It is an insecure communication. (ii) Microwave propagation is susceptible to weather effects like rains, thunderstorms etc. (iii) Bandwidth is low. |
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| 67. |
What is line-of-right transmission? |
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Answer» A line-of-sight signal passes through the atmosphere, originates from a dish antenna, travels in a straight line free of material obstacles and received by another dish antenna. |
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| 68. |
What are the disadvantages of twisted pair cable? |
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Answer» (i) Because of high attenuation, it is incapable of long distance transmission. (ii) Because of low bandwidth it is unsuitable for broadband applications. |
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| 69. |
Which of the following is not a transmission medium?(A) Telephone Network (B) Co-axial Cable(C) Modem (D) Microwave |
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Answer» Correct answer: (C) Modem |
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| 70. |
Seema needs a network device that should regenerate the signal over the same network before the signal becomes too weak or corrupted. Amit needs a network device to connect two different networks together that work upon different networking models so that the two networks can communicate properly. Name the devices that should be used by Seema and Amit. |
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Answer» Seema needs a repeater. Amit needs a gateway/router. |
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| 71. |
What is the difference between star topology and bus topology of network? |
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| 72. |
Bluetooth can be used for :(A) Long distance communication(B) Short distance communication(C) In mobile phones only(D) None of these |
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Answer» (B) Short distance communication |
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| 73. |
Identify the topology shown below. Write 2 advantages of this topology. |
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Answer» Star topology Two advantages are as follows : (i) Easy to install (ii) Easy to diagnose the fault. |
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| 74. |
What is voicemail? |
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Answer» Voice mail is a voice message that the caller leaves when the person called is busy in another conversation or not available to pick the call. It is similar to email except that instead of text messages it is voice messages. |
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| 75. |
What is VOIP? |
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Answer» VOIP (Voice Over Internet Protocol) enables phone calls to be made using standard internet connection. |
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| 76. |
The 'Chalchitra' theatre has a computer network. The network is in one building.Name one communication channel that can be used for fast communication between workstations of the network. |
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Answer» Optical fiber cable. |
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| 77. |
What is HTTP? |
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Answer» Hypertext Transfer Protocol (HTTP) is used by world wide web. It defines how messages are formatted and transmitted and what actions web servers and browsers should take in response to various commands. |
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| 78. |
What is video conferencing? |
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Answer» Video conferencing is a communication technology that integrates video and audio to connect users anywhere in the world as if they were in the same room. It allows natural face-to-face conversation. It requires a computer, webcam, microphone and speakers with an internet connection. |
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| 79. |
Explain FTP. |
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Answer» FTP is File Transfer protocol. It is designed to transfer files from one system to another. Any type of file can be transferred from one computer to another. |
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| 80. |
Two doctors have connected their mobile phones to transfer a picture file of a person suffering from a skin disease. What type of network is formed? Which communication media out of Co-axial cable, Optical fiber, Bluetooth, Satellite link should be used to transfer the file? |
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Answer» PAN network and Bluetooth communication media. |
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| 81. |
The 'Chalchitra' theatre has a computer network. The network is in one building.Name this type of network (out of LAN/MAN/WAN). |
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Answer» This type of network is LAN. |
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| 82. |
Two students in the same class sitting inside the same room have connected their laptops using Bluetooth for working on a group presentation. What kind of network have they formed? |
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Answer» The kind of network have formed is PAN. |
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| 83. |
Expand the WAN. |
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Answer» Wide Area Network |
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| 84. |
"XYZ Consultancy" is planning to link its branch office in Delhi to its head office in London. Write one ray to connect. What type of network (out of LAN/MAN/WAN) will be formed? |
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Answer» (i) Satellite communication (ii) WAN |
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| 85. |
From the following which applet is used to find the IP address of a computer (a) Network Manager Applet (b) Network Neighbourhood (c) Network system (d) None of these |
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Answer» (a) Network Manager Applet |
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| 86. |
A computer network that spans over the world is called(a) LAN (b) MAN (c) WAN (d) None of these |
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Answer» Answer is (c) WAN |
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| 87. |
What is the network-related icon’ displayed on the screen of the computer connected to a Network? (a) Network Manager Applet (b) Network Neighbourhood (c) Network system (d) None of these |
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Answer» (a) Network Manager Applet |
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| 88. |
The computer placed in a building or in a room, or in a compound are connected by a medium. This type of network is called (a) LAN (b) MAN (c) WAN (d) None of these |
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Answer» Answer is (a) LAN |
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| 89. |
In wireless network, which medium is used for sending data. (a) Cable (b) R.F waves (c) None of these |
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Answer» (b) R.F waves |
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| 90. |
In LiFi which medium is used for data transferring a) Radio frequency waves b) Light rays c) None of these |
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Answer» Answer is (b) Light rays |
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| 91. |
From the following which is IPv4 based IP address. (a) 192.168.1.120 (b) 192.268.1.120 (c) 192.168.700.120 (d) None of these |
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Answer» Answer is (a) 192.168.1.120 |
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| 92. |
………. Computing is a means of using the applications you use at home along with your files, from any part of the world (a) Grid computing (b) Cloud computing (c) Super computing (d) None of these |
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Answer» Answer is (b) Cloud computing |
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| 93. |
Multinational Companies depend as for many of their projects (a) Clouds (b) Star (c) Hub (d) None of these |
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Answer» Answer is (a) Clouds |
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| 94. |
From the following select an option that is not an IP version (a) IPV4 (b) IPV6 (c) IPV10 (d) None of these |
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Answer» Answer is (c) IPV10 |
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| 95. |
From the following name the people who considered to be started grid computing (a) Ian foster (b) Carl Kesselman (c) Steve Tuecke (d) Bert bos |
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Answer» (a) I an foster, (b) Carl Kesselman and (c) Steve Tuecke |
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| 96. |
Which among the following is not a cloud computing (a) Public (b) Private (c) Hybrid (d) Star |
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Answer» Answer is (d) Star |
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| 97. |
Instead of high-performance server this technology user ordinary computers from various parts of the world for computing Name this Computing? (a) Grid computing (b) Cloud computing (c) server computing (d) Share computing |
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Answer» Answer is (a) Grid computing |
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| 98. |
From the following select an IP address that is not in a valid range. (a) 192.168.0.0 – 192.168.255.255 (b) 10.0.0.0 – 10.255.255.255 (c) 172.16.0.0 – 172.31.255.255 (d) 255.1.255.255 – 255.255.255.255 |
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Answer» Answer is (d) 255.1.255.255 – 255.255.255.255 |
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| 99. |
Which protocol is used to give IP address to computers in a Network? (a) TCP/IP (b) SSH (c) SMB (d) POP |
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Answer» Answer is (a) TCP/IP |
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| 100. |
Is it possible to give permanent address to all computers and share internet facility to all computers, a) Not possible b) Possible c) None of these |
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Answer» Answer is (b) Possible |
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