Computer Networks And Internet Protocol - Week 11 Assignment 11 | NPTEL | JAN 2023

Computer Networks And Internet Protocol - Week 11 | Assignment : Answer with Explanation

Which field in an ARP packet is not filled in ARP Request but filled in ARP Reply?

a. Target protocol address
b. Target hardware address
c. Sender protocol address
d. Sender hardware address

Answer

b. Target hardware address

Which is not a content of the ARP Cache Table ?

a.Port number
b. Timeout
c. Attempt
d. Protocol Address

Answer

a.Port number

Which of the following is/are correct about RARP?

a. RARP replies are broadcast.
b. RARP is often used on thin-client workstations.
c. In an RARP Request packet, the sender hardware address field is not filled
d. RARP has been replaced by DHCP.

Answer

b. RARP is often used on thin-client workstations.

d. RARP has been replaced by DHCP.

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Which of the following is true about BOOTP?
(i) BOOTP is a TCP/IP based configuration protocol.
(ii) BOOTP client uses port number 68 while the server uses port number 67.

a. only (i)
b. only (ii)
c. both (i) and (ii)
d. None

Answer

b. only (ii)
BOOTP is UDP/IP based.

Which protocol is used for loop avoidance?

a. ARP
b. DHCP
c. STP
d. BGP

Answer

c. STP

VLAN ________ is used when a link needs to carry traffic for more than one VLAN.

a. Tailing
b. Trunking
c. Trading
d. Tapping

Answer

b. Trunking

To deal with hidden terminal and exposed station problem, all implementation of 802.11 WLAN must mandatorily support

a. DCF
b. PCF
c. Both are mandatory
d. Both are optional

Answer

a. DCF

In PCF, the base station sends _______ periodically.

a. CTS
b. RTS
c. Beacon frame
d. None of the above

Answer

c. Beacon frame

In case of hidden terminal problem

a) two senders are in the communication range of each other
b) two senders are not in the communication range of each other
c) independent of sender range
d) none of the above

Answer

b) two senders are not in the communication range of each other

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In DHCP, a client is allocated an IP address permanently after it is switched on.

a. True
b. False

Answer

b. False
DHCP does not allocate addresses permanently, it “leases” the address for a particular time period

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Computer Networks And Internet Protocol, Week 12: Assignment 12,noc23_cs48