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Paper ID:…………
RollNo: ...........................
ENDSEMESTER EXAMINATION, 2020-21
PROGRAM: B.Sc
CODE: BCO206
COURSE TITLE: BASICS OF COMPUTER NETWORK
Time: 2 Hrs.
Max. Marks: 50
Note: 1. All Sections are compulsory.
2. Assume missing data suitably, if any.
Classify the basic network infrastructure to learn the overall function of networking systems and
CO1:
CO2:
transmission mediums.
Demonstrate and differentiate types of networks & working of all layers of the OSI Reference Model and TCP/IP
model.
Apply knowledge of different techniques of error detection and correction to detect and solve error bit
CO3:
during data transmission
CO4:
Illustrate the network layer and transport layer including IP Addressing, routing , TCP and UDP services.
Explain the functionality of application layer.
CO5:
CO6:
Outline the cryptography and network security.
SECTION-A
(
Attempt ALL questions of the following:
1.
2.
3.
4.
5.
Explain different types and component of network with suitable block diagram.
Discuss also the uses of computer networks.
How TCP/IP model is different from OSI model. Discuss.
Give reasons why networks might use an error correcting code instead of error
detection and retransmission
Compare and contrast byte oriented and bit-oriented protocols.
Explain the concept of Digital signature. Where we can use this concept?
)
COS
CO1
BTL
K4
CO2
CO3
K4
K4
CO4
CO5
K4
K4
SECTION-B
Attempt ALL questions of the following:
(
)
6.
Draw the header format of a TCP packet and explain functions of each field in detail
CO3
K4
7.
What are the working principles of each layer in TCP/IP? Explain with block
diagram.
Differentiate between LAN, WAN and MAN Technologies with example.
CO4
K4
CO5
K4
8.
1Contd…..
SECTION-C
( )
Attempt ALL questions of the following:
9.
10.
11.
How TCP congestion control is different than UDP congestion control. Explain with
help of some practical applications.
What are data communication network criteria? Discuss in brief.
Explain about the entire transmission mode with the help of examples.
CO3
K5
CO4
CO5
K5
K5
CO6
K6
SECTION-D
( )
Attempt the following question:
12. Explain the concept of connection management i.e., how a connection is established
and released at the transport layer?
Instructions:
i.
ii.
iii.
Only 12 questions are to be asked in ETE.
The two tables (given below) must be filled by the paper setter.
Paper setter must see the COs of the courses described in syllabus to frame the questions in alignment
with expected COs and Blooms taxonomy
Table1: Distribution of question & marks among the Units of syllabus
Unit
1
2
3
4
5
Questions Numbers
Q1, Q2, Q3,
Q4, Q5, Q11,
Q6, Q7, Q8, Q15
Q9, Q10, Q12, Q14
Q13, Q16, Q17
Total Marks
3
14
22
24
28
Table 2: Mapping between COs and questions
(Number of COs may vary from course to course)
COs
CO1
CO2
CO3
CO4
CO5
CO6
Knowledge level
(Blooms taxonomy, K1, K2.
..)
K4
Questions Numbers
Total Marks
1
3
K4
2
3
K4,K5
3,6,9
12
K4,K5
4,7,10
12
K4,K5
5,8,11
12
K6
12
8
2