West Bengal Institute of Technology (WBIT) 2009-8th Sem B.Tech Electronics and Communications Engineering Electronics & Comm ( - ) Internet Technology - Question Paper
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EJSSS!
KGHkH 51I1KG & MANAGEMENT EXAMINATIONS, APRIL - 2009
Time : 3 Iicurs
Full MarKS : 7 t
GROUP - A ( Multiple Choice Type Questions )
10 x i = 10
Choose the correct alternative of che following :
i) Tne port address uniquely identifies
a) Process b) Host
e) Server d) All of these.
Defat tit mask for 193,6.7.2 is
ii)
b) 255.255.0.0 d) none of these.
a) 255.0,0.0 c) 256.255,255.0
Which mapping method is used to find a physical address given a logical
ia]
address ?
a) HTTP b) ARP
e) DNS d) RARP. [___J
AhiUi of following is shortcoming of RIP protocol ?
i/)
v)
a) Failure b) Convergence
c) Authentication d) All of these. j___________;
'Which protocol 'i& used to deliver vital network information to either di. skies: computer or computers nt 1st boot ?
a) HTTP
b)
SMTP
c) BOOT?
vi) Which protocol is designed to provide security at the transport layer ?
a) IPSEC b) SSL
c) Firewall d) All of these,
l:::]
vii) WTiich port is used for control connection of FTP ?
a) 20 b) 21
]
c) 80 d) 6890,
viii) The 'TELNET client converts the characters to which of the following form ?
a) ASCII b) NUT
c) UNICODE d) None of these. [
ix) SSL is located between .................... and ................ ... .
|
a) transport, network c) data link, physical x) Firewall is a specialised form of a a) bridge c). printer |
b) application, transport ] ] d) network, data link, b) disk d) router. |
GROUP -B
1 Short Answer Type Quttiuns )
Answer any three of the following, 3x5- 5
I. a) Illustrate with diagram the Firewall implementation.
b) What is bit implementation of SSL ? 3 + 2
5. a) Waal: is "routing with partial information" ?
b) What is Domain Name System ? 2 + 3
!. What is Subnet ?
An organization is granted the block 130.56.0.0/16. The administrator wants to ere te 1024 subnets. Design the subnets ( that include subnet mask, number of studer.s, no. of hosts in each subnet, first and last address in each subnet). 5
>. Explain what you mean by anonymous FTP.
Explain the reasons for the delayed delivery of an e-mail by SMTP. 5
Dc-iim- the'drawback of RARP.
State how you can overcome from this by bootstrap protocol ( BOOTP ). 5
GROUP -C ( Long Answer Type Questions )
Answer any three questions. 3x15=4
7. a) Give the differences between directed broadcast & limited broadcast
b) What is Multicast addressing ?
c) "TCP/IP provides a connectionless and reliable transport service" Explain.
What is the purpose of RIP ? What are the functions of a RiP message ? Why the expiration timer value is six times than that of the periodic timer value ? List RIP shortcomings and their corresponding fixes ?
9.
A router has the following RIP routing table.
b)
Netl 4 B
Net2 2 C
Net3
Net4
G
What would be the contents of the table if the router receives the following RIP from router C.
Netl 2
Net2
Net3
Net4
I
3
7
if
r ' r
2) Why do OSPF nieassages; propagate faster than RIP messages ?
7 + 4 t 4
(.S /B.TECH(ECE-iOW)/SEM-8/EC-C 34A/09 6 I kli I
10, a) Is the size of ARP packet fixed ? Explain. g
b) What is multicast addressing ? Describe the worxing principle of transport Gateway. 1-3
c) What is the size of a question record contain an IP address ? 2
d) When does the DHCP server need to check the staii,. database for add ers mapping ? What are the types of information can a client receive from a DHCP server whan it is booted for the first time in a network ? 2 + 2
11. Write short notes of any three of the following : 3x5
a) FTP
b) OSPF
c) Frame Relay
d) VPN
e) TELNET.
END
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| Earning: Approval pending. |
