Skip to document
Welcome to StudocuSign in to access the best study resources
Guest user
0followers
HomeMy LibraryAsk AI
  • You don't have any recent items yet.
My Library
  • You don't have any courses yet.
  • You don't have any books yet.
  • You don't have any Studylists yet.

CN Solution 18CS52

for more
Course

Bachelor of engineering

322 Documents
Students shared 322 documents in this course
Academic year: 2022/2023
Uploaded by:
Anonymous Student
This document has been uploaded by a student, just like you, who decided to remain anonymous.
Visvesvaraya Technological University

Recommended for you

Comments

Please sign in or register to post comments.

Students also viewed

Related documents

Preview text

CBCSww. SCHENE

USN

18CS

Fifth Semester B.

Degree Examination,

July/August 2022

Computer Networks and Security

Time: 3 hrs.

Max. Marks: 100

Note: Answer any FlVE full

questíons, choosing ONE fullquestionfrom euch module.

Module-

Explain the steps involved in transferringa web

page from server to client in case of HTTP

with non- persistentconnection. Also brief the

Back of the Envelope calculat

needed to ion for time

request and receive the tile.

1

Consider an (10 Marks

e commerce site that wants to

keep a purchase record for each of its

Customers. Describe with neat

diagram how this can be done with cookies.

.

(10 Mark

OR

Explain w ith neat diagram, the socket related activity of client - server

the communicationover

TCP aong with client and server code.

Expiain FTP wth its Commandsand Replies.

2

b. (10 Marks)

(10 Marks)

Module-

Describe the various fields of UDP

segment structure. Suppose you have the foilowing three

16 bit words 011001 1001100000,01010I

Find 10101, 100011110001 100.

the checksum. How does the receiverdetect errors? Is it

possible that I - bit errors wi

go undetected?

b.

3a

(10 Marks)

Explain Sender and Receiver side Finite State Machine (FSM) representation for rdt 2.!

protocol. (10 Marks)

OR

4a Draw TCP Segment structure. Describe the various fields of TCP

segmeni strueture.

(10 Marks)

Explain with neat diagram, the causes and costs of

congestionconsideringthe folowing

scenaroS

Scenario I: Two sender , A Router, with Infinite Butier.

Scenario 2: Iwo sender , A Rouer, with Finite Buffer.

b.

0 Marks)

Module-

a. Write Link stave Routing

Algorithn it to the tollowinggraph [Reter Fig. Q5(a)} with

source node as "U". Draw the lkcast cost

path ree and the torwardingtable lor node "U'".

l0 Marks)

Fig. Q5(a)

(10 Marks)

b. Draw IPV

datagram format. Mention the signiticanceof each field.

of 2

18CS OR

####### a. Write distance Vector Routing Algorithm and

apply it to the following graph.

[Refer Fig. QHya)). (19 Marks) Fig. Q6(a) b. Draw IPV

dstagram sormat. Mention the significanceof cach field.

(10 Marks

Module-
Explain Diffie - Hellman Key

Exchange Protocol. Suppose two parties A and B wish to set

up a common secret key between
themselves using Diffie Hellman Protocol

generator as 3 and prime number as 7. selecting

Party A chooses 2 and Party B chooses 5 as their
respectivesecret. Find the Diffie Hellman
b. Key.

Explain Data EncryptionStarkdard

(DES) algorithm.

(10 Marks (10 Marks) OR

Expiain three phases of RSA

Algorithm. For an encryptionof a 4 - bit

nessage "l000" or a. M 9 we choose a = 3 and b II. Find the Public and

Private keys for this
and show the Cipher text. security action
b. Write short notes on: (10 Marks

i)SecurityImplementationin wireless

i) Firewalls. IEEE 802.

(10 Marks)

a Module-

Explain how DNS Redirects a User's

b. request to a CDN Server.

Explain RTP Basics and RTP packet Header

fields. (10 Marks) (10 Marks) 10 a. OR

Expiain the properties of Audio and Video.

Also mention the three

features of StreamingStored Video. key distinguishing

b. With neat

diagram, explain Session InitiationProtocol
(SIP) Call establishment.

(10 Marks) (10 Marks) (1O Marks of

Was this document helpful?

CN Solution 18CS52

Course: Bachelor of engineering

322 Documents
Students shared 322 documents in this course

University: Visvesvaraya Technological University

Was this document helpful?
CBCS
SCHENE
ww.
USN
18CS52
Fifth Semester B.E.
Degree
Examination,
July/August
2022
Computer
Networks
and
Security
Time: 3 hrs.
Max. Marks:
100
Note: Answer any FlVE
full
questíons,
choosing
ONE
full
question
from
euch module.
Module-1
Explain
the
steps
involved
in
transferring
a
web
page
from
server
to
client
in
case
of
HTTP
with
non-
persistent
connection.
Also
brief
the
Back
of
the
Envelope
calculat
ion
for
time
needed
to
request
and
receive
the
tile.
1
(10
Marks
Consider
an
e
commerce
site
that
wants
to
keep
a
purchase
record
for
each
of
its
Customers.
Describe
with
neat
diagram
how
this
can
be
done
with
cookies.
.
(10
Mark
OR
Explain
w
ith
neat
diagram,
the
socket
related
activity
of
client
-
server
communication
over
the
TCP
aong
with
client
and
server
code.
Expiain
FTP
wth
its
Commands
and
Replies.
2
(10
Marks)
b.
(10
Marks)
Module-2
Describe
the
various
fields
of
UDP
segment
structure.
Suppose
you
have
the
foilowing
three
16
bit
words
011001
1001100000,01010I01010
10101,
100011110001
100.
Find the
checksum.
How
does
the
receiver
detect
errors?
Is
it
possible
that I -
bit
errors
wi
go
undetected?
b.
3a
(10
Marks)
Explain
Sender
and
Receiver
side
Finite
State
Machine
(FSM)
representation
for
rdt
2.!
protocol.
(10
Marks)
OR
4a
Draw
TCP
Segment
structure.
Describe
the
various
fields
of
TCP
segmeni
strueture.
(10
Marks)
Explain
with
neat
diagram,
the
causes
and
costs
of
congestion
considering
the
folowing
scenaroS
Scenario
I:
Two
sender
, A
Router,
with
Infinite
Butier.
Scenario
2:
Iwo
sender
, A Rouer,
with
Finite
Buffer.
b.
0 Marks)
Module-3
a.
Write
Link
stave
Routing
Algorithn.
Apply
it
to
the
tollowing
graph
[Reter
Fig.
Q5(a)}
with
source
node
as
"U".
Draw
the
lkcast
cost
path
ree
and
the
torwarding
table lor
node
"U'".
l0
Marks)
Fig.
Q5(a)
(10
Marks)
b.
Draw
IPV4
datagram
format.
Mention
the
signiticance
of
each field.
of
2

Students also viewed

Related documents