These are Ethical Hacking Nptel Week 1 Assignment 1 Answers
Q1.In which of the following penetration testing models, no information about the network is given to the tester? a. White box model. b. Black box model. c. Gray box model. d. Red box model.
Answer: b. Black box model.
Q2.Which of the following statement(s) is/are true for a circuit switched network? a. A communication link may be shared by more than connection. b. A communication link is dedicated to a connection and cannot be shared with other connections. c. The packet transfer delay between a pair of nodes may depend on the prevailing network traffic. d. It is more efficient for bursty traffic.
Answer: b. A communication link is dedicated to a connection and cannot be shared with other connections.
These are Ethical Hacking Nptel Week 1 Assignment 1 Answers
Q3.Which of the following statement(s) is/are false for virtual circuit based packet transfer approach? a. It is a connection-oriented approach, where a route is established priori to transfer of packets. b. The intermediate node can perform dynamic routing. c. All the packets reach in order to the destination. d. It is a true packet switched network.
Answer: c. All the packets reach in order to the destination.
Q4.A packet of size 2000 bytes is sent over a 50 kilo-bits-per-second (Kbps) point-to-point link whose propagation delay is 5 msec. The packet will reach the destination after ______ msec. (Assume 1K = 1000)
These are Ethical Hacking Nptel Week 1 Assignment 1 Answers
Q5.Which of the following OSI layers is responsible for end-to-end reliable data transfer? a. Physical layer b. Transport layer C. Network layer d. Datalink layer
Answer: b. Transport layer
Q6.Which of the following statement(s) is/are true for the IP address? a. It uniquely identifies a network interface of a computer system. b. It uniquely identifies a host in the network. C. It indicates how many hardware ports are there in the computer system. d. None of these.
Answer:a. It uniquely identifies a network interface of a computer system.
