third semester b

7/31/2019 Third Semester B

1/21

Third Semester B.Sc. (I.T.) Examination, Nov./Dec. 2010(Directorate of Distance Education)PERSONALITY DEVELOPMENT PROGRAMME - IITime : 3 Hours Max. Marks : 100Instructions :1) Part -A : Answerallthe questions.2) PartB: Answerany FIVEfull questions.

PART A1. What are the common short-comings of Interviewer ? 32. Briefly write out a preparation plan for an interview for the job applied. 33. Prepare an action plan to achieve your goals. 34. Explain Maslows hierarchy f needs theory. 35. What are nine ways to change people without giving offence or arousingresentment ? 46. Explain Herzhergs motivation hygiene theory. 37. Write the checklist for revising drafts. 38. What are paragraphs ? Why do we need paragraphs ? 3PART B1. a) If you are un-married, prepare a word-portrait of yourself as well as yourprospective life partner that you look forward to. 7

b) What are the suggestions and tips that are useful for most job interviews ? 82. a) What are the tips for stress management of job interviews ? 10b) How do you propose to overcome your deficient potentials ? 53. a) Identify your weakness on time management and put in a plan to overcome it. 7b) What are the principles of human management ? 8P.T.OBSIT - 314. a) What are the characteristics of successful people ? 7b) What are communication skills ? Mention certain DOS to improvecommunication skills. 85. a) What are writing skills ? Give the importance of acquiring writing skills. 7b) Why do many of us find it difficult to speak English ? Name any fourreason why English is important for us. 8

6. a) What are the parts of a formal letter ? Explain with example. 7b) Write a paragraph on the topic Email and posts are similar in some respectbut differ in others by using information given below: 8Feature Email PostTransmission Speed Moderate LowQuality of Information Large LargeData Management Very easy Not so easyTransmission to one or many Very easy EasySecurity Low HighFormality Moderate VariesAccountability Moderate High7. a) What is reading ? What are the different kinds of reading ? Why is readingimportant ? 7

b) What are the features of presentation and public speaking 88. Write short notes on :a) Dos and Donts about body language in presentations. 5b) Use of visuals 5c) Vocabulary building 5

Third Semester B.Sc. (I.T.) Examination,November/December 2010(Directorate of Distance Education)

COMPUTER NETWORKSTime : 3 Hours Max. Marks : 100


2/21

Instructions :1) Part -A answerallthe questions.2) Part -Banswerany FIVEfull questions.PART A1. OSI is a protocol model standardized by the _________ 1

2. The ________ layer is responsible for delivering data framer from onestation to next without error. 13. At the receiving end, the data is passed to transport layer from

___________ 14. TCP/IP has ____________ layers. 15. RFC stands for ___________ 16. What is an IP address ? 17. What is a subnet mask ? Why is it necessary ? 28. What are private networks ? 1

9. What is IP multicasting ? 110. Identify the class of the following IP address :a) 229.15.76.110 1b) 191.32.78.27 1c) 4.5.6.7 1P.T.O.

BSIT 3411. A device whose primary function is routing the IP datagrams over thephysicalnetwork is called as ____________ 112. Protocol used for reporting the errors occurred during the datagramtransfer is

_____________ 113. In the sending system, UDP receiver data unit from the

___________ layer. 114. UDP needs the ____________ address to deliver the data to thecorrect process. 115. UPD has the fixed header size of ______________ bytes. 116. _____________ field in the TCP header is used to detect errors in

the TCPsegment. 117. TCP offers ___________ duplex data transfer service. 118. In TCP/IP model, the session and presentation layers are integratedwith _____layer. 119. In client-server, the ________ programme is always running. 120. In client-server model, an user wanting a particular service runs the

_________

program. 1


3/21

21. Connection-oriented concurrent server uses the services of__________transport protocol. 122. Information reading the file, such as file type, structure, transmission

mode aresent to the server _______ the data transfer takes place. 1PART B1. a) What are the functionalities offered by transport, session andpresentationlayer of the OSI reference model ? 7b) With neat diagram explain TCP/IP protocol architecture 82. a) Explain internet protocol with internet (IP) addressing. 8b) What are multihomed device ? Explain in brief. 7

3. a) What is routing of IP packets ? Bring out the differences betweendirectrouting and indirect routing. 8b) With neat diagram explain IP datagram header. 74. a) Briefly explain internet control message protocol (ICMP). Alsoexplaintypes of ICMP messages. 7b) Bring out the difference between Address Resolution Protocol (ARP)andReverse Address Resolution Protocol (RARP).

5. a) Explain how UDP checksum is calculated at source as well asdestination host. 7b) What are the services offered by TCP ? 86. a) With neat diagram explain TCP segment. 7b) Bringout the difference between connectionless iterative server andconnectionoriented concurrent server. 87. a) Write a brief description about control connection and dataconnection used

in FTP. 7b) Write a brief note on the commands processing. Describe the groupsintowhich commands (that are sent from client and server ) can be divided.88. Write short notes on :a) Private networks. 5b) Fragmentation. 5c) UDP datagram. 5


4/21

III Semester B.Sc. (I.T.) Examination, May/June 2011(Directorate of Distance Education)PERSONALITY DEVELOPMENT PROGRAMME IITime : 3 Hours Max. Marks : 100Instructions :1) Part -A : Answerall questions.2) Part -B: Answerany FIVEfull questions.

PART A1. Prepare a brief self-portrait of yourself for a professional career. 52. List out your short term and long term goals in your professional life. 53. What is the difference between language skill and communication skills ? 54. Name any four reasons why English is importent for us ? Is spoken Englishdifficult. Why ? 55. What are paragraphs ? Why do we need paragraphs ? 5

PART B1. a) Explain the participation in the interview. 7

b) What are the common shortcomings of interviewer ? 82. a) What are twelve tips for time management ? 7b) What are the principles of human management ? 83. a) Mention certain DO'S to improve communication skills. 7b) Write the check list for revising drafts. 8P.T.O.

BSIT - 31 -2-4. a) Write a formal letter to the subinspector of police to complaint against theftof motor cycle.7b) Read the following passage and answer the questions given below.8One day Mohandas met Sheik Mehtab, a friend of his elder brother. Sheik had a badreputation.Mohandas knew this, yet hewas much impressed by Sheik because he was tall and strong.Sheik was a meat-eater and he often told Mohandas that if he ate meat he wouldalso grow tall andstrong.There was also at that time a reform movement for a change in the orthodox ways oflife. Mohandas

himself had heard that many well-to-do people had started eating meat, So he triedmeat. He did notlike the taste of meat but as time went on he started to like meat currier. WheneverMohandas had ameat meal outside, he had to give his mother some excuse for not eating his dinner.He knew thathis parents would not forgive him if they knew he had eaten meat. He was notagainst eating meatthen, but he was against telling a lie to his mother. This feeling was gnawing at hisheart and finallyhe decided not to touch meat again.

Mohandas had also taken to smoking with Sheik, his brother and another relative.He had to pilfer


5/21

small amounts of money here and there with which to buy cigarettes.i) 'Sheik had a bad reputation..... yet he was much impressed by Sheik. Why wasMohandasimpressed by Sheik ?ii) What did Sheik advice Mohandas ?

iii) He was not against eating meat. What was Mohandas against ?iv) Why did Mohandas had to steal money '?5. a) What are writing skills ? What are the importance of acquiring writing skills ?7b) Rearrange the following jumbled sentences in the right order observing theprinciples of coherence and cohesion.8i) Not only does this increase their tolerance of violent behaviour in other, but mostauthoritiesnowconcede that under certain condition, some children will imitate anti - social acts that

theywitness on television.ii) For one thing, recent studies tend to show that TV slifler creative imagination.iii) Some teachers feel that television has taken away the child's ability to formmental picture in hisown mind, resulting in children who cannot understand a simple story without visualillustrations._____________

-3- BSIT 31iv) Many people are worried about what television has done to the generation of

American childrenwho have grown up watching it.v) The third area for concern is the serious complain frequently made by elementaryschool teacherthat children exhibit low tolerance for the frustrations of learning.vi) Because they have been conditioned to see all problems resolved in 30 or 60minutes on TV,they are quickly discouraged by any activity that promises less than instantgratification.vii) Secondly, too much TV too early tenders to cause Children to withdrawfrom real life experiences.

viii) But perhaps the most serious result is the impact of television violence onchildren, who havecome to regard it as an everyday thing.ix) Thus, they grow up to be passive spectators who can only respond to action, butnot initiate it.6. a) Change the following sentences from direct to indirect speech. 8i) He said, " I do not like apples".ii) She said to Ram, "Why did you break the glass" ?iii) The student told the teacher, " will you please help me to learn mathematicsthis evening".iv) The tourist said, "what a lovely river this is!"

b) Write the dialogue between the following pairs of people. 7i) Two friends meeting after a long time,


6/21

ii) A teacher meeting the head of the department of English.7. a) In order to make a successful presentation what are the steps to be followed. 7b) Explain the use of visuals in presentation. 88. Write short notes on :a) Dos and don'ts of body language. 5

b) Different kinds of reading. 5c) Characteristics of successful people. 5

Third Semester B.Sc., (I.T) Degree ExaminationsNovember /December 2011(C.B.C Scheme)PERSONALITY DEVELOPMENT PROGRAMME IITime: 3 hrs] [Max. Marks: 100Note :1. Part -A compulsory2. Ansiver anyFIVEfull questions fromPART B

PART-A1. If you arc un - married, prepare a word - portrait of yourself as well as yourprospective life partner that you look forward to! 3 Marks2. List out the typical questions that could be expected in interview. 5 Marks3. List ten tips which may help to handle stress due to job interviews. 5 Marks4. Mention few hints to tap your hidden potential. 3 Marks5. Identity your weaknesses on lime management and put in a plan to overcome ii. 4 Marks6. Discuss basic aspects of personality development. 5 Marks

PART-B1. a) Write about your short term and long term professional goals. 7 Marksb) List out your strengths and weaknesses. 8 Marks2. a) What arc common short comings of interview. 7 Marksb) Briefly write out a preparation plan for an interview for the job applied. 8 Marks3. a) Mention six basic strategies which have helped successful people in their carreers.7 Marksb) What are writing skills? What are the importance of writing skills? I low to learnto write. 8 Marks4. a) Discuss Marlows and Herzberg's theories. 7 Marksb) What are the principles of Human Management. 8 MarksContd2

BSIT - 31 Page No... 25. a) Which are the nine ways to change people without giving offence or arousingresentment. 7 Marks

b) What arc the characteristics of successful people. 8 Marks6. a) Mention certain Do's to improve communication skills. 7 Marksb) Read the text below and answer the questions below 3 Marks" Someone with a great desire to learn is said to be highly motivated.Motivation is very important in what one learns and how quickly one learns it. Amotivated person will generally learn faster and more efficiently than anunmotivated one. To Searn efficiently, a person must intend to learn (intentional learning).However, incidental learning - learning lhal is not intended but which results simply fromexposure to material - some times does occur. The degree of incidental learning, docs notapproach that of intentional learning in real life situations.1) The passage implies that if a student studies for an exam, he is practicinga) incidental learning b) intentional learning

c) residual learning d) motivational learning2) In the passage, "Motivation" means


7/21

a) dread b) repulsionc) neglect d) impulsion3) According to the passage, in order to learn by intentional learning, one must beza) highly motivated b) unmotivatedc) tired of learning d) in need of learningc) Given below are sentences with common errors. Identity the error and correct thesame. 5 Marks(i) He has not given his final exams set(ii) He discusses about politics(iii) My sister is getting her ears bored this evening(iv) She sings well. Isn't it?(v) Me couldn't cope up with the class.

7. a) What is a Paragraph? How is coherence achieved in a paragraph? Why iscohesion important in a paragraph. . . 7 Marksb) Write formal thanks letter from a candidate to the manager of company after theinterview for a post. 8 Marks8. a) What are the steps to be taken to make a successful presentation?

III Semester B.Sc. (IT) Examination, May/June 2011(Directorate of Distance Education)COMPUTER NETWORKSTime : 3 Hours Max. Marks : 100Instructions: 1) PartA ~ Answerallquestions.2) PanB- Answerany FIVEfull questions.PART - A 25

1. OSI has _________________ lavers. 12. The ____________ layer uses the services provided hv the network layer. 13. Each laver adds _____________to the data it received from the upper layer 14. At the receiving end, the data is passed to transport layer from ______________ 15. The lavers not present in TCP/IP model are _____________and _____________26. At transport layer the protocol defined by TCP/IP model are __________and__________ 27. A device having more than one IP address is known as __________device. 18. The two types of routing are _____ routing and _____ routing. 29. The IP datagram header has the IP address of _____ and _____ systems. 2

10. Protocol used for reporting the errors occurred during the datagram transfer is______________ 111. UDP needs the ___________ address to deliver the data to the correct process.112. In TCP a unit of data is referred to as ___________ 1P.T.O.

BSIT - 34 -2-13. Flow control is achieved through the use of _____ window mechanism. 114. ______ field in the TCP header is used to detect errors in the TCP segment. 115. TCP offers _____ duplex data transfer service. 116. In TCP/IP the two communicating processes can be best described using the

______ model. 117. In client-server, the _____ programme is always running. 1


8/21

18. Connection-oriented concurrent server uses the service of ______ transportprotocol. 119. FTP uses _____ protocol for transmission purpose. 120. The number of connections required for FTP operation is _____ 121. FTP is used to transfer _____ from one host to another. 1

PART - B 751. a) Explain OSI reference model, 7b) What are the important tasks performed by the transport layer ? 82. a) What are different IP address classes ? Explain each one of them. 7b) Bring out the difference between direct and indirect routing. 83. a) With neat diagram explain IP datagram header. 7b) Explain ICMP message format. 84. a) What are the uses of UDP protocol ? 7b) Explain the encapsulation and decapsulation mechanism used in UDP. 8

-3- BSIT 345. a) Explain with neat diagram TCP segment. 7b) Explain the concept of multiplexing and demultiplexing in TCP. 86. a) Explain how connection is established in TCP using three way hand shaking. 7b) Write a brief description about client-server model. 87. a) Discuss about the connection-oriented concurrent server. 7b) Explain in detail about control connection and data connection used in FTP. 88. Write short notes on :a) Fragmentation. 5b) Flow control mechanism in TCP. 5c) RARP (Reverse Address Resolution Protocol) 5

Third Semester B.Sc. (IT ) Degree Examinations

November /December 2011(Distance Education)COMPUTER NETWORKSTime: 3 hrs] [Max. Marks: 100Note:1. Par!-A is compulsory2. Answer any five full questions from Part-B.

PART- AI. Answer all the questions:1. OSThas_____layers. 12. The ______ layers uses the services provided by the network layer. 13. Each layer adds ______ to the data it received form the upper layer. 14. The layers not present in TCP/IP model arc ____ and _____ 25. A device having more than one IP address is known as ______ device 16. The two types of routing are ______ routing and ____ routing. 27. The IP datagram header has the IP address of ______ and _____ systems. 28. Protocol used to find out the physical address of a destination hostfrom its IP address is known as ____ 19. Protocol used for reporting (he error occurred during the datagram transfer __. 110. In the sending system, UDP. receives data unit from the ___ layer. 111. UDP offers _____ to ______ data communication. 212. In TCP a unit of data is referred to as ____ 113. Flow control is achieved through the use of.______ window mechanism. 114. In TCP, before sending data, a ______ is established between the

sending and receiving process. 115. TCP offers ______ duplex data transfer service. 1


9/21

16. In TCP / IP model, the session and presentation layers areintegrated with _____ layers. 117. In client server, the ___ programme is always running. 118. The number of connections required for FTP operation is. ______ 1Contnd....2

ETC 34/BSIT - 34 Page No... 219. Connection -oriented concurrent server uses theservice of _____ transport protocol. 120. In TCP/IP the two communicating process can be best describedusing the ____ model. 121. In client server model, an user wanting a particularservice runs (he _____ programme. 1PART -Bll.Answer any FIVE full questions.1. a) Define computer networks. What are the application of computer networks. 7b) Explain the simplified architecture for www service. 82. a) Explain layered architecture of OSI reference model. - 7

b) Write the general comparison between OSI and TCP/IP. 83. a) Discuss physical address, internet address and port address of TCP/IP model. 7b) Explain three - way handshaking .in TCP 84. a) Differentiate between Direct routingaiid indirect routing. 7b) With neat figure explain IP datagram'.headcr. 85. a) Explain how checksum is calculate at the sender and the receiver in TCP /IPprotocols, 7b) With neat diagram explain ARP packet format. 86. a) Explain UDP datagram and uses of UDP protocol. 7b) lixplain flow control mechanism in TCP. 87. a) Explain connection less, Iterative server and connectionoriented concurrent server. 7

b) Discuss file transfer protocol with applications. 8Write short notes on 3 x 5= 15a) Client - server model.b) Fragmentationc) ICMP message format.* * * * * * * *

III Semester B.Sc.(IT) Examination, May/June 2009Directorate of Distance Education SchemePERSONALITY DEVELOPMENT PROGRAMME - II

Time: 3 Hours Max. Marks: 100Instructions: 1) Part - A is compulsory.

2) Answer any 5 questions from Part - B.

PART - AAnswer all the questions:1. What is an assertive behaviour ? 2

2. What is career planning ? How it is useful ? 2

3. How can we improve communication skills ? 2

4. Why is it necessary to set you priorities clearly ? 25. List out how the principles of psychology work. 3

6. What are the skills needed for your professional work and personal life thatenhances ones personality ? 2


10/21

7. Differentiate appreciation from flattery. 2

8. List the factors that influences success. 2

9. Suggest steps to improve writing. 2

10. What is a topic sentence? Why is it important? 2

11. Why is loud reading not a reading ? 2

1812. What are different methods of presentation? 2

PART - B1. a) Explain the characteristics profiles of interviews. 7

b) List out typical questions in interviews. 8

2. a) Prepare a good Bio-data of yourself. 8b) What are the qualities that are generally assessed in interviews? 7

3. a) Plan out a strategy to make a good impression on your first job. 7

b) What are twelve (12) tips for time management? 8

4. a) What are the nine qualities to develop good personality? 8b) Discuss principles of human management. 7

5. a) What are paragraphs? How to write a paragraph ? 8

b) Read the following Passage and answer the questions.Two thousand years ago a rich man named Diogenes lived in Greece. He owned

so many things that he was always busy; but he was never happy. One day

Diogenes invited his friends to a party. Afterwards he gave them everything he

owned, even his clothes. Then he told them Friends, Im going away tomorrow.

We wont be seeing each other for quite some time. Where are you going ?

asked his friends. I dont know, said Diogenes. Ill be going round places,

looking for a little happiness. How will you live? Who can be happy withoutmoney? asked his friends. Diogenes suddenly got down on all fours and began to

bark. One man asked, what does that mean

That means, Ill be living a simple life, just like a dog. A dog doesnt have money,

but hes still happy.

Diogenes went to the city of Corinth. The people of Corinth had heard about

Diogenes. They leaned out of their windows in order to have a good look at him.

A man cant live without a roof over his head, said one man. A man does not

need a house in order to live, said Diogenes, and he went to sleep on some

temple steps. One day Alexander the Great went to Corinth in order to meet this

strange man. He found Diogenes asleep on the temple steps. Wake up, he said,I am Alexander. Diogenes opened his eyes to the great king. Then he shut them

again. Is there any thing I can do to make you a happier person? asked Alexander

19. Yes, said Diogenes. You can step aside so as not to block the warming sun Is

that all ? said Alexander, amazed without another word, he went away.

1) Whether Diogenes was happy person? 1

2) Why did he Diogenes invited his friends to party? 1

3) What was the answer givenby Diogenes when he was asked, Who can be

happy without money ? 2

4) To which city did Diogenes go ? 15) Who is Alexander ? What did he wanted to do for Diogenes ? 2


11/21

6. a) Discuss various subskills of writing. 8

b) Differentiate between personal and official letters. 7

7. a) Write a formal thanks letter from a candidate to manager of a company

after the interview for a post. 7b) What are benefits of good reading ability ? 8

8. a) Discuss, statements and questions and Tags. 7

b) What are dos and donts about body language in a presentation? 8* * * * * * *

III Semester B.Sc. (IT) Examination, May/June 2009Directorate of Distance Education SchemeCOMPUTER NETWORKSTime: 3 Hours Max. Marks: 100

Notes: 1) Part A : Answer all the questions.

2) Part B : Answer any FIVE full questions.PART - AAnswer all the questions:1. The internet is a structured and _____________system. 1

2. Information exchange can be_____________ or file transfer. 1

3. Each layer adds_____________to the data it received from upper layer. 1

4. RFC stands for_____________ 15. The physical address can be either unicast, _____________and_____________ 2

6. A port address is _____________bits long. 1

7. A Multicast communication is_____________ 1

8. A datagram is a variable length packet consisting of two parts_____________and_____________ 2

9. Error detection method used by most of the TCP/IP protocol is called

_____________ 110. RARP is acronym for_____________ 1

11. ICMP messages are divided into two broad categories,_____________

and_____________ 2

12. The two types of routing are_____________routing and_____________

routing. 2

13. UDP offers_____________to_____________data communication. 2

14. UDP has fixed header size of_____________bytes. 215. TCP offers_____________duplex data transfer service. 1

2516. In client-server_____________programme is always raunning. 117. FTP uses_____________protocol for transmission purpose. 1

18. Connection oriented concurrent server uses the service of_____________

transport protocal. 1

19. Commands are sent over_____________connection. 1

20. Define a process. 1

PART - B

1. a) What are the functions of transport layer protocal ? Explain. 7b) Explain TCP/IP protocal architecture. 8


12/21

2. a) What are the different classes of IP address ? 7

b) Discuss three different levels of addressing in TCP/IP. 8

3. a) Write a brief note about direct and indirect routing. 7

b) What are types of routing tables? Explain briefly. 84. a) Why fragmentation is required? List the steps to performance the

fragmentation. 8

b) Discuss ARP packet format, with a neat diagram. 7

5. a) Explain error reporting messages in ICMP. 7

b) Explain pairs of query massages in ICMP. 8

6. a) Explain how port number concept is used to offer process to process data

communication in UDP. 7

b) Describe how check sum is calculated for UDP datagram. 8

7. a) Explain how connection is established in TCP using three way handshaking. 7b) Describe briefly how flow-control is achieved in TCP using sliding window

mechanism. 8

8. a) Write a brief description about client-server model. 7

b) Discuss connection oriented concurrent server and connection oriented data

connection in FTP. 8* * * * * * *

Third Semester B.Sc. (IT) Examination, Nov./Dec. 2009(Directorate of Distance Education)PERSONALITY DEVELOPMENT PROGRAMME - IITime: 3 hrs.] [Max.Marks: 100

Instructions: 1. PART - A is compulsory.2. Answer any FIVE questions from PART B.PART - A1. Prepare a brief self-portrait of yourself for a professional career. 2

202. Mention two important strengths in you. 23. In what areas do you need to improve? 14. How would you describe your standards of performance ? 15. Mention the two most important people to you. 26. List out any five important things on which you seriously prepare before an

interview. 27. Aside from money, what do you want most in a job. 18. List out the things you would carry to a job interview. 29. List two qualities in you that need improvement from the point view ofman management skills in human engineering. 210. Mention any four important etiquette of cell phone usage. 211. Mention atleast four important principles of Human Engineering. 212. Mention any two traits to be successful as an IT professional. 213. Name any four qualities for a good personality. 214. List five tips for time management. 2

PART - B1. a) List out your short term and long term professional goals. 6


13/21

b) Prepare a self improvement plan for yourself. Give action plan. 92. a) Explain the responsibilities and the qualities needed for job. 5b) Write the preparation strategy for success in the interview. 5c) List the reasons for rejection in interviews. 53. a) What are the strategy to make a good impression on your first job ? 5b) List the tips for stress management of job interviews. 104. a) What are the hints to tap your hidden potential so that you bring outyour full capability on any task that you undertake ? 5b) List and explain any ten tips for time management. 105. a) List and explain the qualities that are required for a good personality. 8b) List out your good qualities pertaining to Human, Engineering. 76. a) What are the ways to change people without giving offence or arousingresentment. 8b) Write a paragraph on the influence of television on children. Write thesecondand third drafts of the same pointing out the changes made on each occasion.7

217. a) What qualities in you need improvement to be a team person ? How doyoupropose to modify them ? 10b) List some of the important dos and donots in dining etiquette to befollowedwith guests. 5

8. a) What are the differences between the language of speech and thelanguage ofwriting? 5b) What is reading ? Explain the different kinds of reading . 5c) What is the role played by body gestures in communication? 5* * * * * * *

Third Semester B.Sc. (IT) Examination, Nov./Dec. 2009(Directorate of Distance Education Scheme)COMPUTER NETWORKS

Time: 3 hrs.] [Max.Marks: 100Instructions: 1. Part A is compulsory.2. Answer any FIVE questions from Part B.

PART - A1. The internet is a______________,______________system. 22. At the transport layer, the protocols defined by TCP/IP model are______________

and______________23. The______________layer uses the services provided by the network layer.1

4. What is an IP address ? 2


14/21

5. The three different levels of addressing in TCP/IP model has______________,______________and______________. 36. The device having more than one IP address is known as______________device.3

267. The two types of routing are______________routing and______________routing. 28. The IP datagram header has the IP addresses of______________and______________systems. 29. Protocol used to find out the physical address of a destination host from itsIPaddress is known as______________1

10. Flow control is achieved through the use of______________

windowmechanism.111. TCP offers______________duplex data transfer service. 112. UDP offers______________to______________data communication. 113. In TCP, before sending data, a______________is established between thesendingand receiving processes. 114. FTP uses______________protocol for transmission purpose. 115. In client server, the______________program is always running. 1

16. Commands are sent over______________

connection. 117. The number of connections required for FTP operation is______________118. Protocol used for reporting the errors occurred during the datagramtransferis______________1PART - B1. a) What are the research activities that were commonly done in the earlydays ofcomputer networks ? Explain. 10

b) Explain the concept of networking of computers. 52. a) Briefly explain the OSI architecture. 10b) Make a brief comparison between OSI andTCP/IP models. 53. a) What are the different classes of IP addresses available in IP-V4 ?Explain. 10b) What are private networks ? 54. a) What are the types of routing tables ? Explain briefly. 8b) Write a brief note on direct and indirect routing. 75. With figure, explain IP datagram header. 156. a) Give an overview of ARP mechanism using diagrams. 8

27


15/21

b) What are the error reporting messages present in the ICMP ? Explain anytwoof them. 77. a) Explain the flow control mechanism in TCP. 8b) Describe how the checksum is calculated for the UDP datagram. 78. a) With the help of figure, explain the connection oriented concurrentserver.8b) Write a note on command processing. Describe the groups into whichcommands can be divided. 7* * * * * * *

Third Semester B.Sc.(IT) Examination, November 2008(Scheme : CBCS)

(Directorate of Distance Education Course)PERSONALITY DEVELOPMENT PROGRAMME - IITime: 3 Hours Max. Marks: 100

Note: Part A : Answer all questions.

Part B : Answer FIVE full questions,

PART - AAnswer all questions:1. What is career Planning? How it is useful ? 2

2. How do you introduce yourself so, that you give a comprehensive informationabout yourself within two minutes. 2

3. List out your short-term goals in your professional life. 24. Identify any two short comings in your personality and prepare within a

reasonable time frame. 2

5. Identity a role model who has been successful and list out two or three qualities. 2

6. Mention the different Sub Skills of writing. 2

7. Why are punctuation necessary in writing? Mention any five punctuation marks

that you would use frequently. 2

8. What are coherence and cohesion? 2

9. What is reading? What are the different kinds of reading? Why reading is

important? 3

10. Writing is reverse process of reading. Discuss. 211. Prepare a self-improvement plan for the next 5 years. 2

12. What are common short-earnings of Interviewees? 2

PART - B

Answer any FIVE full questions:I. a) Briefly explain the preparation for the interview. 7

18b) What are the reasons for rejections in interviews. 8

2. a) What are common short-comings of interviewees. 7

b) Prepare a good Bio-data of yourself. 8

3. a) Write down tips for a Fast Start on your new job. 7


16/21

b) What are the twelve tips for time management. 8

4. a) Write nine ways to change people without giving offence or arousing

Resentment. 7

b) What are the characteristics of successful people ? 85. a) Read the following passage and answer the questions.

The story told here happened more than ago. India was not a free country at that

time. The British were ruling the Country and the Indian people were fighting

for freedom. People followed great men like Mahatma Gandhi and Jawaharal

Nehru in the fight against the British. In 1923 the congress was holding its

meeting at Kakinada, Andhra Pradesh. A Khadi Exhibition was also being held

there.

A little girl was standing at the gate of the exhibition. She was about fourteen

years old. She was told not to let anyone into the exhibition hall without a ticket.Jawaharlal Nehru came to the exhibition grounds and wanted to go in. He had

neither a ticket nor the money to buy on.

The girl at the gate stopped him. You cant go in unless you have a ticket Sir,

she told the great man. People who had put up the exhibition came running to the

gate. Do you know who you are stopping ? asked one of them.

Yes, I do, said the girl. It is Jawaharal Nehru. But Im only following the rules

Then they bought a ticket for Nehru, and he went into the exhibition hall. The

country needs girls like her who can do their duty with courage. sa id Nehru as

he went in.

The little girls name was Durgabai. When she grew up, she worked hard andhelped many people. She did many things for the women of India all her life.

1) Who was the little girl in the story ? 1

2) Against whom were the Indians fighting? For what? 2

193) What did the congress do in Kakinada in 1923 ? 1

4) Why did Durgabai not let Jawaharlal Nehru in the Exhibition hall ? 1

5) Who bought a ticket for Nehru ? 1

6) What did Jawaharalal Nehru say about the girl ? 1

b) What are communication Skills ? How to learn to communicate? 8

6. a) Write a note on how to learn to write. 7

b) Write a paragraph on telephone communication is entirely different from

that of a post. 87. a) What are paragraphs ? Why do we need paragraphs ? How to write a paragraphs

? 7b) Write a letter to the commissioner of your corporation complaining against

the lack of proper hygienic conditions in your residential area. 8

8. a) Write dialogue between the following pairs of people.i) Two friends meeting after a long time. 7

b) What are the features of presentation and public speaking? 8* * * * * * *

Third Semester B.Sc. (IT) Examination, November 2008Scheme : CBCS


17/21

Directorate of Distance Education CourseCOMPUTER NETWORKSTime: 3 Hours Max. Marks: 100

Instructions: 1) Part A - Answer all questions.

2) Part B - Answer any FIVE full questions.PART - AAnswer all the questions:1. OSI has___________layers. 1

252. The ___________layer uses the services provided by the network layer. 1

3. Each layer adds___________to the data it received from the upper layer. 1

4. At transport layer the protocol defined by TCP/IP model are ___________

and___________. 2

5. What are private networks ? 1

6. What is a subnet ? 17. What is an IP address? 1

8. A device whose primary function is routing the IP datagrams over the physical

network is called as___________. 1

9. The IP datagram header has the IP addresses of ___________and___________

system. 2

10. Protocol used to find out the physical address of a destination host from its IP

address is known as___________. 1

11. Protocol used for reporting the errors occurred during the datagram transfer

is___________. 1

12. UDP need the___________address to deliver the data to the correct process. 113. UDP offers___________to___________ data communication. 2

14. Flow control is achieved through the use of___________window mechanism. 1

15. In TCP a unit of data is referred to as___________. 1

16. TCP offers___________duplex data transfer. 1

17. UDP is an acronym for___________. 118. In TCP/IP the two communicating process can be best described using the

___________model. 1

19. Connection - oriented concurrent server uses the service of___________transport protocol. 1

20. The number of connections required for FTP operation is___________. 1

2621. Commands are sent over ___________connection. 1

22. Information regarding the file, such as file type, structure, transmission mode

are sent to the server the data transfer takes place. 1

PART - B

Answer any FIVE full questions.1. a) Discuss the simplified architecture for WWW service. 7

b) Explain the layers in the OSI model. 8

2. a) Briefly explain IP address classes. 7

b) Write a note on multihomed devices. 8


18/21

3. a) Explain IP datagram header. 7

b) Discuss in brief address resolution protocol (ARP). 8

4. a) Explain ICMP message format. 7

b) Bring out the difference between direct routing and indirect routing. 85. a) Discuss UDP datagram. 7

b) Explain the computation of UDP checksum. 8

6. a) What are error control mechanism in TCP ? 7

b) With neat figure explain TCP segment. 8

7. a) Explain how connection is established in TCP using three way handshaking. 7

b) Explain client - server model. 8

8. a) Bring out difference between connectionless iterative server and connection

oriented concurrent server. 7

b) Briefly explain file transfer protocol. 8* * * * * * *

Third Semester B.Sc.(IT) Examination, May/June 2008Distance EducationPERSONALITY DEVELOPMENT PROGRAMME - IITime: 3 Hours Max. Marks: 100

Instructions: 1) Answer all questions in Part - A.

2) Answer any five questions from Part - B.

PART - AAnswer all questions: (25x1=25)1 How would you describe your standards of performance ?

2. What makes you a good investment for an employer ?3. What constructive criticism have you had from others?

4. Why do you think people succeed ? Fail ?

5. If you could imagine the ideal job for you, what could it be ?6. Give any two tips for Job interviews.

7. List any two characteristic profiles of the interviewer.

8. List out any two tips for surviving an interview.

9. List out two tips for time management.

10. What is the basic aspect of personality develop?

11. List out any two principles of human management.

12. Give any two characteristics of successful people.13. What are communication skills?

14. How can communication skills be improved?

2515. Name any four reasons why English is important for us.

16. Is spoken English difficult? Why ?

17. What are the different features of spoken English?

18. What are writing skills ?

19. What is paragraph ?

20. What is a topic sentence? Why is it important ?

21. What are linking devices ? Why are they important?22. Why reading is important ?


19/21

23. Mention any two important etiquette of cell phone usage.

24. Mention any two traits to be successful as an IT professional.

25. What is your real aim in life ?

PART - BAnswer any five questions : (5x15=75)1. a) Prepare a concise and comprehensive Bio-data of yourself for a job. 8

b) Plan out a strategy to make a good impression on your job. 7

2. a) List out important strengths and weaknesses in you. 8

b) List and explain your short term and long term professional goals. 7

3. a) Prepare a brief self portrait of yourself for a professional career. 8

b) Prepare a time commitment plan for the semester (8 + 8 = 16 weeks) to

achieve your goal of accessing knowledge and good success in your studies. 7

4. a) Write in detail the preparation strategy for success in the interview. 8

b) Explain the responsibilities and qualities needed for job. 7

5. a) Explain the tips for stress management of job interviews. 8

b) Explain the hints to tap your hidden potentials. 7

6. a) Explain the qualities of good personality development. 8

b) Explain the Herzbergs motivation hygiene theory. 7

267. a) Read the following passage and answer the following questions: 5

The story told here happened more than seventy years ago. India was not a free

country

at that time. The British were ruling the country and the Indian people were fighting

for freedom. People followed great men like Mahatma Gandhi and Jawaharlal Nehru

in the fight against the British. In 1923 the congress was holding its meeting atKakinada, Andra Pradesh. A khadi exhibition was also being held there.

A little girl was standing at the gate of the exhibition. She was about fourteen years

old. She was told not to let anyone into the exhibition hall without a ticket, Jawaharlal

Nehru came to the exhibition grounds and wanted to go in. He had neither a ticket nor

the money to buy on.

The girl at the gate stopped him, you cant go in unless you have a ticket Sir. She

told the great man People who had put up the exhibition came running to the gate.

Do

you know who you are stopping ? asked one of them.

Yes, I do, said the girl It is Jawaharlal Nehru. But Im only following the rules.Then they bought a ticket for Nehru and he went into the exhibition hall. The country

needed girls like her who can do their duty with courage, said Nehru as he went in.

The little girls name and Durgabai. When she grew up, she worked hard and helped

may people. She did many things for the women of India all her life.

1) Who was the girl in the story ?

2) Against whom were the Indians fighting ? For what ?3) What did the congress do in Kakinada in 1923 ?

4) Why did Durgabai not let Jawaharlal Nehru in the exhibition hall ?

5) Who bought a ticket for Nehru ?

b) Give the difference between language of speech and language of writing. 5c) Explain the main features of good paragraphs. 5


20/21

8. a) With example for each, explain different parts of formal and informal letter

writing. 8

b) List out some of the important dos and donots in dining etiquette to be

followed with guests. 7* * * * * * *

SIT 34Third Semester B.Sc. (IT) Examination, May/June 2008Distance EducationCOMPUTER NETWORKSTime: 3 Hours Max. Marks: 100

Notes: 1) Answer all questions from Part A.

2) Answer any five full questions from Part B.

PART - A

Answer all questions. Each carries one mark: (1x25=25)1. What are computer networks?2. What is computer protocol ?

3. What is a peer-to-peer process ?

4. The __________ layer uses the services provided by the network layer.

325. Each layer adds__________ to the data it received from the upper layer.

6. The layer not present TCP/IP model are ________ and ___________

7. RFC stands for _____________8. What is an IP address?

9. What is a subnet ?10. What are private networks?

11. A device having more than one IP address is known as ________device.

12. The two types of routing are ________routing and _______routing.

13. The minimum length of IP datagram is __________bytel.

14. Protocol uses for reporting the errors occurred during the datagram transferis ___________

15. In the IP datagram ___________field is used for the error detection purpose.

16. In the sending system, UDP receives data unit from the ___________layer.

17. UDP offers _______to ___________data communication.

18. In TCP a unit of data is referred to as __________

19. ____________field in the TCP header/is used to defect errors in the TCP segment.

20. TCP offers__________ duplex data transfer service.

21. In TCP/IP model, the session and presentation layers are integrated with ________

layer.

22. In client-server, the _________ programme is always running.

23. FTP uses ___________ protocol for transmission purpose.

24. The number of connections required for FTP operation is __________

25. Commands are sent over ____________ connections.

PART - BAnswer any five questions: (5x15=75)


21/21

1. a) Explain the evaluation of computer networks. 6

33b) Explain the research activities in the early days of computer network. 9

2. a) What are the layers present in TCP/IP model? Explain the layer which provides

the transport functionalities along with the protocols defined for that layer. 9b) Make a brief comparison between OSI and TCP/TP models. 6

3. a) What is meant by protocol? Briefly explain its architecture. 5

b) Explain OSI architecture. 5

c) Explain functionalities and the services offered by the transport layer of the

OSI model. 5

4. a) Explain three different levels of addressing in TCP/IP model. 9b) Briefly explain the internet protocols, IP addressing and private networks. 6

5. a) Explain direct and indirect routing. 5

b) Why fragmentation is required ? Explain how the IP header fields are used for

the same purpose. 5c) What are the error reporting messages present in the ICMP ? Briefly explain. 5

6. a) Explain the concept of multiplexing and demultiplexing in TCP. 7

b) Explain how connection is established in TCP using three way hand shaking. 87. a) Explain how port number concept is used to offer process-process data

communication in UDP . 7

b) Write the UDP datagram header. Explain each field. 88. a) What is a connectionlessiterative server ? With neat diagram explain the

same. 5

b) Describe the control connection and data connection used in FTP. 5

c) Briefly explain the steps involved in storing an image file into the serverfrom client side. 5* * * * * * *

third semester b

Documents