NPTEL Ethical Hacking Week 3 Assignment Answers 2024

1. Which of the following statement(s) is/are false.

a. IP protocol uses connection-oriented routing.
b. IP protocol uses connection-less routing.
c. In connection-less routing, each packet is treated as an independent packet.
d. None of these.

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2. Which of the following is/are false for direct and indirect packet delivery option?

a. Direct delivery occurs when the destination host and deliverer are present on same network.
b. Indirect delivery occurs when the destination host and deliverer are not present on same network.
c. In direct delivery, hosts of same network can exchange packets without interference of router.
d. In an indirect delivery, the packet goes from router to router until it reaches the one connected to the same physical network as its final destination.
e. None of these.

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3. Which of the following is/are true for dynamic routing?

a. Routes are user defined.
b. Routing table updates periodically depending on the network condition.
c. Routers consume bandwidth for communicating with each other.
d. Failure of the link can be resolved easily (re-routing is easy).
e. None of these.

Answer :-

4. Which of the following routing flags can indicate route to a single host (and not to a network) in the routing table?

a. U
b. G
c. H
d. D
e. M

Answer :-

5. Which of the following statement (s) is/are false for default route?

a. It is used when no specific address for next hop is available.
b. It is specified by an address 0.0.0.0.
c. It is specified by an address 127.0.0.1.
d. None of these.

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6. Which of the following statement(s) is/are true for Routing Information Protocol (RIP)?

a. RIP is an example of interior routing protocol.
b. RIP maintains timers to detect failed links.
c. RIP suffers from counting to infinity problem.
d. RIP allows faster convergence for larger network.
e. None of these.

Answer :-

7. In Open Shortest Path First (OSPF) routing approach, which of the following packets is used to check if the neighbor router is up or not?

a. Link State Request.
b. Link Request Update.
c. Link State Acknowledgement.
d. TCP 3-way handshake.
e. None of these.

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8. Which of the following is true for IPv6?

a. IPv6 address does not have any defined classes.
b. It uses 128-bit IP addresses.
c. Base header size is 20 byte.
d. IPv6 is connection oriented.
e. All of these.