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Computer Networking: Case Study Questions

This post contains case study questions on Computer Networking.

Case Study 1:

Web server is a special computer system running on HTTP through web pages. The web page is a medium to carry data from one computer system to another. The working of the webserver starts from the client or user. The client sends their request through the web browser to the webserver. Web server takes this request, processes it and then sends back processed data to the client. The server gathers all of our web page information and sends it to the user, which we see on our computer system in the form of a web page. When the client sends a request for processing to the web server, a domain name and IP address are important to the webserver. The domain name and IP address are used to identify the user on a large network.

    1. Web servers are:
      1. IP addresses
      2. Computer systems
      3. Webpages of a site
      4. A medium to carry data from one computer to another

      Ans. 2

    2. What does the webserver need to send back information to the user?
      1. Home address
      2. Domain name
      3. IP address
      4. Both b and c

      Ans. 4

    3. What is the full form of HTTP?
      1. Hypertext Transfer Protocol
      2. Hypertext Transfer Procedure
      3. Hyperlink Transfer Protocol
      4. Hyperlink Transfer Procedure

      Ans. 1

    4. The _____ translates internet domain and host names to IP address
      1. Domain name system
      2. Routing information protocol
      3. Google
      4. Network time protocol

      Ans. 1

    5. Computer that requests the resources or data from other computer is called as ____ computer
      1. Server
      2. Client
      3. None of the above
      4. a and b

      ans. 2

    6. DNS stands for:
      1. Domain Name Security
      2. Domain Number System
      3. Document Name System
      4. Domain Name System

      Ans. 4

    7. What is the format of IP address?
      1. 34 bit
      2. 32 bit
      3. 16 bit
      4. 64 bit

      Ans. 2

Case Study 2:

In mid 80’s another federal agency, the NSF created a new high capacity network called NSFnet, which was more capable than ARPANET. The only drawback of NSFnet was that it allowed only academic research on its network and not any kind of private business on it. Now, several private organisations and people started working to build their own networks, named private networks, which were later (in 1990’s) connected with ARPANET and NSFnet to form the Internet. The Internet really became popular in 1990’s after the development of World Wide Web.

  1. What does NSFnet stand for?
    1. National Senior Foundation Network
    2. National Science Framework Network
    3. National Science Foundation Network
    4. National Science Formation Network

    Ans. 3

  2. What does ARPANET stand for?
    1. Advanced Research Premium Agency NETwork
    2. Advanced Research Projects Agency NETwork
    3. Advanced Review Projects Agency NETwork
    4. Advanced Research Protection Agency NETwork

    Ans. 2

  3. What is internet?
    1. A single network
    2. A vast collection of different networks
    3. Interconnection of local area networks
    4. Interconnection of wide area networks

    Ans. 2

  4. To join the internet, the computer has to be connected to a __________
    1. Internet architecture board
    2. Internet society
    3. Internet service provider
    4. Different computer

    Ans. 3

  5. Internet access by transmitting digital data over the wires of a local telephone network is provided by:
    1. Leased line
    2. Digital subscriber line
    3. Digital signal line
    4. Digital leased line

    Ans. 2

  6. A piece of icon or image on a web page associated with another webpage is called ______
    1. URL
    2. Hyperlink
    3. Plugin
    4. Extension

    Ans. 2

Case Study 3:

TCP/IP, or the Transmission Control Protocol/Internet Protocol, is a suite of communication protocols used to interconnect network devices on the internet. TCP/IP can also be used as a communications protocol in a private computer network (an intranet or an extranet).

TCP defines how applications can create channels of communication across a network. It also manages how a message is assembled into smaller packets before they are then transmitted over the internet and reassembled in the right order at the destination address.

IP defines how to address and route each packet to make sure it reaches the right destination. Each gateway computer on the network checks this IP address to determine where to forward the message. TCP/IP uses the client-server model of communication in which a user or machine (a client) is provided a service (like sending a webpage) by another computer (a server) in the network. Collectively, the TCP/IP suite of protocols is classified as stateless, which means each client request is considered new because it is unrelated to previous requests. Being stateless frees up network paths so they can be used continuously.

  1. Which of the following protocols is used in the internet?
    1. HTTP
    2. DHCP
    3. DNS
    4. All of the above

    Ans. 4

  2. Which one of the following is not an application layer protocol used in internet?
    1. Remote procedure call
    2. Internet relay chat
    3. Resource reservation protocol
    4. Local procedure call

    Ans. 3

  3. Which protocol assigns IP address to the client connected to the internet?
    1. DHCP
    2. IP
    3. RPC
    4. RSVP

    Ans. 1

  4. Several protocols for upper layers in Bluetooth use:
    1. UDP
    2. HSP
    3. ITC
    4. L2CAP

    ans. 4

  5. Internet protocols are a set of rules to govern:
    1. communication between computers on a network
    2. standard
    3. metropolitan communication
    4. bandwidth

    ans. 1

  6. Checksum is used on internet by several protocols although not at the _____
    1. sesson layer
    2. transport layer
    3. network layer
    4. data link layer

    ans. 4

  7. Network layer at source is responsible for creating a packet from data coming from another ______
    1. station
    2. link
    3. node
    4. protocol

    ans.  4

Case Study 4:

A blog is a publication of personal views, thoughts, and experience on web links. It is a kind of personal diary note about an individual. The contents published on a blog are organized in a reverse manner, it means recent posts appear first and the older posts are further downwards.

Blogger – a person who posts a blog in the form of text, audio, video, weblinks, etc is known as a blogger. Bloggers have followers who follow them to get instant messages post by the blogger.

In most cases, celebrities, business tycoons, famous politicians, social workers, speakers, etc are the successful blogger because people follow them to know about their success stories and ideas.

  1. Using websites for building network with friends and relatives is called as_____
    1. social networking
    2. blogging
    3. netbanking
    4. e-commerce

    ans. 1

  2. Websites used to buy and sell something are categorized under______
    1. social networking sites
    2. e-commerce websites
    3. search engines
    4. entertainment sites

    ans. 2

  3. Google is an example of ______
    1. social network
    2. entertainment
    3. search engine
    4. none of these

    ans. 3

  4. Which of the following is an example of micro-blogging?

    1. orkut
    2. facebook
    3. google +
    4. twitter

    ans. 4

  5. Which of the following is not used as blogging platform?

    1. TypePad
    2. Blogger
    3. WordPress
    4. Pinterest

    ans. 4

  6. _______ was one of the first uses of the Internet and is still the most popular use, accounting for most of the traffic on the Internet.
    1. blogs
    2. chat rooms
    3. E-mail
    4. discussion boards

    ans. 3

Case Study 5:

An email is a service of sending or receiving emails or messages in the form of text, audio, video, etc over the internet. Various service providers are providing email services to users. The most popular service providers in India are Gmail, Yahoo, Hotmail, Rediff, etc.

An email address for an email account is a unique ID. This email ID is used to send and receive mails over the Internet. Each email address has two primary components: username and domain name. The username comes first, followed by the @) symbol and then the domain name.

  1. Unsolicited e-mail advertising is known as _______
    1. newsgroup
    2. junk ads
    3. spam
    4. none of the above

    ans. 3

  2. Which of the following is the correct format of email address?

    1. name@website@info
    2. name@website.info
    3. www.nameofwebsite.com
    4. name.website.com

    ans. 2

  3. MIME stands for
    1. multipurpose internet mail extensions
    2. multipurpose internet mail email
    3. multipurpose internet mail end
    4. multipurpose internet mail extra

    ans. 1

  4. Mail access starts with client when user needs to download e-mail from the______
    1. mail box
    2. mail server
    3. IP server
    4. internet

    ans. 1

  5. When sender and receiver of an email are on same system, we need only two_____
    1. IP
    2. domain
    3. servers
    4. user agents

    ans. 4

  6. NVT stands for

    1. network virtual transmission
    2. network virtual test
    3. network virtual terminal
    4. network virtual tell

    ans.  3

Case study 6:

In 1989, Tim Berners Lee, a researcher, proposed the idea of World Wide Web). Tim Berners Lee and his team are credited with inventing Hyper Text Transfer Protocol (HTTP), HTML and the technology for a web server and a web browser. Using hyperlinks embedded in hypertext the web developers were able to connect web pages. They could design attractive webpages containing text, sound and graphics. This change witnessed a massive expansion of the Internet in the 1990s.

  1. What is a web browser?
    1. A program that can display a webpage
    2. A program used to view HTML documents
    3. It enables a user to access the resources of internet
    4. All of the above

    Ans.  4

  2. Dynamic web page _____
    1. a) is same every time whenever it displays
    2. b) generates on demand by a program or a request from browser
    3. c) both is same every time whenever it displays and generates on demand by a program or a request from browser
    4. d) is different always in a predefined order

    ans. 2

  3. URL stands for _______
    1. a) unique reference label
    2. b) uniform reference label
    3. c) uniform resource locator
    4. d) unique resource locator

    ans. 3

  4. AJAX stands for
    1. a) asynchronous javascript and xml
    2. b) advanced JSP and xml
    3. c) asynchronous JSP and xml
    4. d) advanced javascript and xml

    ans. 1

  5. What is DOM?
    1. a) convention for representing and interacting with objects in html documents
    2. b) application programming interface
    3. c) hierarchy of objects in ASP.NET
    4. d) scripting language

    ans. 1

  6. An alternative to JavaScript on windows platform is _________
    1. a) VBScript
    2. b) ASP.NET
    3. c) JSP
    4. d) PHP

    ans. 1

  7. A web cookie is a small piece of data that is __________
    1. a) sent from a website and stored in user’s web browser while a user is browsing a website
    2. b) sent from user and stored in the server while a user is browsing a website
    3. c) sent from root server to all servers
    4. d) sent from the root server to other root servers

    ans. 1

Case study 7:

E-business, commonly known as electronic or online business is a business where an online transaction takes place. In this transaction process, the buyer and the seller do not engage personally, but the sale happens through the internet. In 1996, Intel’s marketing and internet team coined the term “E-business

E-Commerce stands for electronic commerce and is a process through which an individual can buy, sell, deal, order and pay for the products and services over the internet. In this kind of transaction, the seller does not have to face the buyer to communicate. Few examples of e-commerce are online shopping, online ticket booking, online banking, social networking, etc.

  1. Which of the following describes e-commerce?
    1. doing business
    2. sale of goods
    3. doing business electronically
    4. all of the above

    ans. 3

  2. Which of the following is not a major type of e-commerce?

    1. C2B
    2. B2C
    3. B2B
    4. C2C

    ans.  1

  3. Which of the following is not considered to be one of the three phrases of e-commerce?
    1. innovation
    2. consolidation
    3. preservation
    4. reinvention

    ans. 3

  4. Which segment do eBay and Amazon belong to?
    1. B2B
    2. B2C
    3. C2B
    4. C2C

    ans. 2

  5. The primary source of financing during the early years of e-commerce was _______

    1. bank loans
    2. large retail films
    3. venture capital funds
    4. initial public offerings

    ans. 3

  6. The best products to sell in B2C e-commerce are:
    1. small products
    2. digital products
    3. specialty products
    4. fresh products

    ans. 2

  7. Which of the following is not a key element of a business model?
    1. value proposition
    2. competitive advantage
    3. market strategy
    4. universal standards

    ans. 4

Case study 8:

Due to the rapid rise of the internet and digitization, Governments all over the world are initiating steps to involve IT in all governmental processes. This is the concept of e-government. This is to ensure that the Govt. administration becomes a swifter and more transparent process. It also helps saves huge costs.

E-Group is a feature provided by many social network services which helps you create, post, comment to and read from their “own interest” and “niche-specific forums”, often over a virtual network. “Groups” create a smaller network within a larger network and the users of the social network services can create, join, leave and report groups accordingly. “Groups” are maintained by “owners, moderators, or managers”, who can edit posts to “discussion threads” and “regulate member behavior” within the group.

  1. E-Government:
    1. can be defined as the “application of e-commerce technologies to government and public services .”
    2. is the same as internet governance
    3. can be defined as “increasing the participation in internet use by socially excluded groups”
    4. none of the above

    Ans. 1

  2. Privacy law is intended to protect the personal information about:
    1. Individuals in society
    2. computer networks
    3. Employees
    4. students

    Ans. 3

  3. What does TAN stand for?
    1. Tax Deduction Account Number
    2. Tax Deduction and Collection Account Number
    3. Taxable Account Number
    4. Tax Account Number

    Ans. 2

  4. An e-group is a collection of users __________
    1. who conduct seminars
    2. who get together on weekends
    3. who have regular video conferences
    4. having the ability to access and contribute to forum topics

    Ans. 4

  5. Whenever a new comment is posted, users of the e-group receive ______ notification that there is a new contribution to the discussion.
    1. SMS
    2. E-mail
    3. WhatsApp
    4. Call

    Ans. 2

  6. Which of the following has E-groups?
    1. Instagram
    2. Twitter
    3. Yahoo!
    4. WhatsApp

    Ans. 3

Case study 9:

Coursera has partnered with museums, universities, and other institutions to offer students free classes on an astounding variety of topics. Students can browse the list of available topics or simply answer the question “What would you like to learn about?”, then when they answer that question they are led to a list of available courses on that topic. Students who are nervous about getting in over their heads can relax.

  1. What do MOOCs stand for?
    1. Mobile Online Open Courses
    2. Massive Online Open Courses
    3. Mobile Open Online Courses
    4. Massive Open Online Courses

    Ans. 4

  2. “A combination of both face-to-face, traditional classroom methods with e-learning to create a hybrid approach to teaching”. What is this type of e-learning?
    1. Blended learning
    2. Distance learning
    3. Synchronous learning
    4. Asynchronous learning

    Ans. 1

  3. What type involves allowing participants to complete training in their own time via web-based training i.e. email, blackboard, intranets, and where there is no help from instructors and participants can use internet as a support tool?
    1. Blended learning
    2. Asynchronous learning
    3. Distance learning
    4. Synchronous learning

    Ans. 2

  4. Which of the following training scenarios would e-learning be most suitable and efficient for?
    1. Induction to the company for new employees
    2. Microsoft excel training
    3. Team-building exercise
    4. Building your assertiveness skills at work

    Ans. 2

  5. What best describes a virtual classroom?
    1. Learners using technology in a classroom environment lead by a tutor
    2. Training course done by youtube tutorials
    3. An online learning environment accessed through the internet (i.e. webinars)
    4. An online learning course

    Ans. 3

  6. Which of the following is not an e-learning website?
    1. edX
    2. MasterClass
    3. Flipkart
    4. SimplyCoding

    Ans. 3

Case study 10:

Search Engines allow us to filter the tons of information available on the internet and get the most accurate results. And while most people don’t pay too much attention to search engines, they immensely contribute to the accuracy of results and the experience you enjoy while scouring through the internet.

Besides being the most popular search engine covering over 90% of the worldwide market, Google boasts outstanding features that make it the best search engine in the market. It boasts cutting-edge algorithms, easy-to-use interface, and personalized user experience. The platform is renowned for continually updating its search engine results and features to give users the best experience.

  1. Search engines are:
    1. Software systems that are designed to search for information on the world wide web 
    2. Used to search documents
    3. Used to search videos
    4. All of the above

    Ans. 4

  2. We get a list of sites after typing a word in search bar called:
    1. Single word
    2. Key phrase
    3. Site
    4. All of the above

    Ans. 2

  3. The search results are shown in a line of results. This is called:
    1. Search engine pages
    2. Categories
    3. Search engine result pages
    4. Tag list

    Ans. 3

  4. Search engines are able to search _____ type of information.
    1. Videos
    2. Images
    3. Documents
    4. All of the above

    Ans. 4

  5. Web search engines store information about web pages with the help of:
    1. Web router
    2. Web crawler
    3. Web indexer
    4. Web organizer

    Ans. 2

  6. Web crawler is also called as:
    1. Web spider
    2. Web manager
    3. Ink directory
    4. Search optimizer

    Ans. 1

  7. SEO is the process of ______ of a website or a web page in a search engine’s search results.
    1. Generating cached files
    2. Affecting the visibility
    3. Getting meta tags
    4. All of these

    Ans. 2

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