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.
| 1. |
Identify the type of topology from the following:1. Each node is connected with the help of a single cable2. Each node is connected with the help of independent cable with central switching. |
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Answer» 1. Bus topology 2. Star topology |
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| 2. |
Rovenza Communications International (RCI) is an online corporate training provider company for IT related courses. The company is setting up their new campus in Kolkata. You as a network expert have to study the physical locations of various blocks and the number of computers to be installed. In the planning phase, provide the best possible answers for the queries (i) to (iv) raised by them.Block to Block Distances(in Mtrs.)Expected computers to be installed in each block1. Suggest the most appropriate block, where RCI should plan to install the server.2. Suggest the most appropriate block to block cable layout to connect all three blocks for efficient communication.3. Which type of network out of the following is formed by connecting the computers of these three blocks?LANMANWAN4. Which wireless channel out of the following should be opted by RCI to connect to students from all over the world?InfraredMicrowaveSatellite5. Write two advantages of using open source software over proprietary software.6. Which of the following crime(s) does not come under cybercrime?Copying some important data from a computer without taking permission from the owner of the data.Stealing keyboard and mouse from a shop.Getting into unknown person’s social networking account and start messaging on his behalf. |
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Answer» 1. Faculty Recording Block. 2. Star topology 3. LAN 4. Satellite connection 5. Advantages of open source over proprietary software:
6. Stealing keyboard & mouse from a shop. |
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| 3. |
Expand the following1. VOIP2. SMTP |
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Answer» 1. Voice Over Internet Protocol 2. Simple Mail Transfer Protocol |
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| 4. |
Name any two components required for net-working. |
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Answer» 1. Repeater 2. Routers |
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| 5. |
Identify the type of topology on the basis of the following:1. Since every node is directly connected to the server, a large amount of cable is needed which increases the installation cost of the network.2. It has a single common data path connecting all the nodes. |
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Answer» 1. Star Topology 2. Bus Topology |
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| 6. |
What are repeaters? |
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Answer» A repeater is an electronic device that receives a signal and retransmites it at a higher level and/ or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances. |
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| 7. |
Differentiate between packet switching and message switching technique in network communication. |
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Answer» In packet switched network, data are transmitted in discrete units of potentially variable length blocks called packets, while in message switching mechanism, a node receives a message stores it until the appropriate route is free, then sends it along. |
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| 8. |
Mention one advantage of star topology over bus topology in networking? |
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Answer» Simple to add more computers to network. |
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| 9. |
Which device is used to connect all computers inside a lab? |
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Answer» Hub device is used to connect all computers inside a lab. |
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| 10. |
Mahesh wants to transfer data within a city at very high speed. Write the wired transmission medium and type of network. |
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Answer» Wired transmission medium – Optical fiber cable Type of network – MAN. |
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| 11. |
The following is a 32-bit binary number usually represented as 4 decimal values, each representing 8 bits, in the range 0 to 255 (known as octets) separated by decimal points. 140.179.220.200 What is it? What is its importance? |
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Answer» It is an IP Address. It is used to identify the computers on a network. |
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| 12. |
Daniel has to share the data among various computes of his two offices branches situated in the same city. Name the network (out of LAN, WAN, PAN, and MAN) which is being formed in this process. |
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Answer» MAN network is being formed in this process. |
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| 13. |
What is the difference between the domain name and IP address? |
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Answer» Domain Name is alphanumeric address of a resource over network IP address is a Numeric Address of a resource in a Network. Example: Domain Name 1 www.Gabsclasses.com IP Address 102.112.0.153 |
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| 14. |
What is Wi-Fi Card? |
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Answer» Wi-Fi cards are small and portable cards that allow the computer to connect to the internet through a wireless network. The transmission is through the use of radio waves. |
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| 15. |
Write two characterstics of Wi-Fi. |
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Answer» 1. It is wireless network. 2. It is for short range. |
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| 16. |
Which protocol is used to creating a connection with a remote machine? |
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Answer» Telnet: It is an older internet utility that lets us log on to remote computer system. It also facilitates for terminal emulation purpose. |
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| 17. |
Which protocol is used to create a connection to a remote machine? Give any two advantages of using optical fibers. |
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Answer» Two advantage of using optical fibers are: 1. Capable of extremely high-speed. 2. No electromagnetic interference. 3. Extremely low attending. |
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| 18. |
Rajeshwari is trying for an on-line subscription to a magazine. For this, she has filled in a form on the magazine’s website. When the clicks submit button she gets a message that she has left e-mail field empty and she must fill it. For such checking which type of script is generally executed a client-side script or server-side script ? |
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Answer» Server-side script |
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| 19. |
What are cookies in the context of computer networks? |
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Answer» Cookies are files that store user information that is used to identify the user when he logs into the system. |
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| 20. |
What is cloud computing? |
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Answer» The sharing of compute resources (dedicated, time-shared, or dynamically shared servers) and related infrastructure components (load balncers, firewalls, network storage, developer tools, monitors and management tools) to facilitate the deployment and operation of web and network based applications. Cloud computing relies on sharing of resources to achieve coherence and economies of scale, similar to a utility (like the electricity grid) over a net-work. |
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| 21. |
Write one characterstic each for 2G and 3G mobile technologies. |
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Answer» 2G networks primarily involve the transmission of voice information, 3G technology provides the additional advantage of data transfer. |
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| 22. |
To provide telemedicine faculty in a hilly state, a computer network is to be set up to connect hospitals in 6 small villages (VI, V2, …, V6) to the base hospital (H) in the state capital. This is shown in the following diagram.No village is more than 20 km away from the state capital.Imagine yourself as a computer consultant for this project and answer the following questions with justification:1. Out of the following what kind of link should be provided to setup this network: Microwave link, Radio Link, Wired Link ?2. What kind of network will be formed; LAN, MAN, or WAN ?3. Many times doctors at a village hospital will have to consult senior doctors at the base hospital. For this purpose, how should they contact them: using email, sms, telephone, or video conference ? |
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Answer» 1. Radio Link 2. MAN 3. e-mail |
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| 23. |
Define the term bandwidth. Give any one unit of bandwidth. |
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Answer» Bandwidth is referred as the volume of information per unit of time that a transmission medium (like an internet connection) can handle. OR The amount of data that can be transmitted in a fixed amount of time is known as bandwidth. For digital devices, the bandwidth is usually expressed in bits per second (bps) or bytes per second. For analog devices, the bandwidth is expressed in cycles per second, or Hertz (Hz). |
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| 24. |
Which type of network (out of LAN, PAN and MAN) is formed, when you connect two mobiles using Bluetooth to transfer a video? |
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Answer» PAN is network formed when you connect two mobiles using Bluetooth to transfer a video. |
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| 25. |
What was the role of ARPANET in the computer network? |
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Answer» In 1969, ARPANET was set up by the American government for defense purpose. ARPANET stands for Advanced research Projects agency Network. |
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| 26. |
What is the difference between LAN and MAN? |
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Answer» LAN: It is Local Area Network. The diameter is not more than a single building. WAN: It is Metropolitan Area Network. LAN spans a few kms while MAN spans 5-50 km diameter and is larger than a LAN. |
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| 27. |
Which out of three type of networks LAN. MAN and WAN, is to be used when an institute connects computers of two adjacent computer laboratories? |
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Answer» LAN (The ange is upto one KM) |
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| 28. |
In networking, what is WAN? How is it different from LAN? |
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Answer» WAN (Wide Area Network): A communication network that uses such devices as telephone lines, satellite, dishes, or radio waves to span a larger geographic area which cannot be covered by a LAN. |
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| 29. |
What is the basic difference between DNS and URL? |
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| 30. |
What is the difference between HTTP and FTP? |
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Answer»
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| 31. |
What is the importance of URL in networking ? |
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Answer» A Uniform Resource Locator (URL) is used to specify, where an identified resource is available in the network and the mechanism for retrieving it. A URL is also referred to as a web address. |
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| 32. |
Identify the Domain name and URL from the following: http:// www.income.in/home.aboutus.hml |
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Answer» Domain name – income.in URL – http:// www.income.in/home.aboutus.hml. |
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