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Protocols, Networking, Web-2010-Computer Networking-Exam, Exams of Computer Networks

Anna UniversityComputer Networks

This exam paper is about Computer Networking. Personal, System, PC, Application, Protocol, Peer, Stateless, TCP, HTTP, Transport

Typology: Exams

2011/2012

Uploaded on 07/03/2012

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Computer Networks (Semester-V)
Midterm Exam-I
Mark True or False (Marks 35) for this section use the answer sheet provided for this section
Note: Overwritten answers will be considered as wrong ones.
1. A personal system (PC) connected with the internet using some application can be termed as
“End System” for an internet domain
2. The concept of protocol is based on defining a set of rules for transmission and reception of per-
defined messages in a certain order between a sender and receiver.
3. World Wide Web is an internet application that follows Client/Server application model.
4. In a Peer to Peer application, any peer that initiates the connection is termed as client while
other peer will be termed as server.
5. An application program running on a end system is usually termed as “Host”
6. A protocol that provides transparent communication services to the applications running over
the internet is termed as “Stateless”
7. Internet Protocol (IP) provides connection oriented service over the internet
8. TCP provides congestion control for the application running at the end system, It also provides
the flow control service for the underlying network i.e. internet
9. HTTP is a transport protocol for internet applications; it uses IP as its network protocol.
10. To improve the performance of circuit switching, FDM, TDM are used.
11. In Packet Switching, nodes first receive complete packet and then forwards it.
12. DSL is a network access technology, it usually consists of upstream and downstream channel,
and the upstream channels are used for uploading files and are smaller in bandwidth than
downstream channels.
13. Over the internet each packet sufferers from certain delays at each internet node, Nodal Delay
is the simplest while Queuing Delay is the most complex one among these delays
14. An Application Protocol can also be termed as an Internet Application, as it is an essential part
of all internet Application
15. A socket is a communication gateway for application processes to the underlying protocol
processes
16. HTTP is a stateless protocol, this means that no TCP sockets are being created for any HTTP
connection
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Computer Networks (Semester-V) Midterm Exam-I

Mark True or False (Marks 35) for this section use the answer sheet provided for this section

Note : Overwritten answers will be considered as wrong ones.

  1. A personal system ( PC ) connected with the internet using some application can be termed as “End System” for an internet domain
  2. The concept of protocol is based on defining a set of rules for transmission and reception of per- defined messages in a certain order between a sender and receiver.
  3. World Wide Web is an internet application that follows Client/Server application model.
  4. In a Peer to Peer application, any peer that initiates the connection is termed as client while other peer will be termed as server.
  5. An application program running on a end system is usually termed as “ Host ”
  6. A protocol that provides transparent communication services to the applications running over the internet is termed as “ Stateless ”
  7. Internet Protocol ( IP ) provides connection oriented service over the internet
  8. TCP provides congestion control for the application running at the end system, It also provides the flow control service for the underlying network i.e. internet
  9. HTTP is a transport protocol for internet applications; it uses IP as its network protocol.
  10. To improve the performance of circuit switching, FDM , TDM are used.
  11. In Packet Switching , nodes first receive complete packet and then forwards it.
  12. DSL is a network access technology, it usually consists of upstream and downstream channel, and the upstream channels are used for uploading files and are smaller in bandwidth than downstream channels.
  13. Over the internet each packet sufferers from certain delays at each internet node, Nodal Delay is the simplest while Queuing Delay is the most complex one among these delays
  14. An Application Protocol can also be termed as an Internet Application, as it is an essential part of all internet Application
  15. A socket is a communication gateway for application processes to the underlying protocol processes
  16. HTTP is a stateless protocol, this means that no TCP sockets are being created for any HTTP connection
  1. An application layer process communicates with peer application layer process during a communication over the internet
  2. Mozilla Firefox is an internet client , a module in Mozilla that is used for sending receiving emails over the internet will be termed as “ User Agent ”
  3. Peer to Peer architecture is the most widely used application architecture for internet applications
  4. Data from application layer is always provided to a transport service to be carried over the internet
  5. TCP and UDP are the two major transport services of the internet
  6. A UDP service is not reliable but it is good for internet as it also controls the internet congestion
  7. Ahmed writes a letter to his friend and handover it to postal services, in this communication the relation between Ahmed and Postal Services resembles the relation between application layer and transport layer.
  8. A web server is part of an internet application where as http protocol is application protocol for the web server
  9. The application architecture of the internet is independent of the internet’s network architecture
  10. In a peer to peer communication between two systems A and B over the internet, the system A downloads a file from systems B, in this communication A is acting as a client and B is acting as server
  11. In an HTTP session between a client and a server , the client identifies server by port numbers exchanged during the hand shake
  12. The format of http request and HTTP response is defined by Hyper Text Transfer Protocol
  13. A persistent http connection remains open for sometime even after the object is transferred
  14. A non persistent http connection with pipelining is more efficient than a non-persistent connection without pipelining
  15. The time to transfer one object from client to server is called Round Trip Time or RTT
  16. Ahmed is creating an email account on hotmail, after filling the email form he submits the form, in this case the web form will be sent to the server by HTTP POST method.(Consider common practice)
  17. A Google search is carried out by http GET method .(Consider common practice)
  18. In case of a cache server, an HTTP request will first be sent to the cache server, a cache server will check for the latest version of the requested web page by using HTTP Conditional GET

Computer Networks (Semester-V) Midterm Exam-I Answer Sheet for True and False

Student Name: _________________________ Roll No.__________Signature_______________

Q.No T/F Q.No T/F 1 19 2 20 3 21 4 22 5 23 6 24 7 25 8 26 9 27 10 28 11 29 12 30 13 31 14 32 15 33 16 34 17 35 18

Marks Obtained:__________________ Signature of Evaluator_____________________