NPTEL Ethical Hacking Assignment 2 Quiz Answers 2022:-All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.
What is Ethical Hacking?
Ethical hacking involves an authorized attempt to gain unauthorized access to a computer system, application, or data. Carrying out an ethical hack involves duplicating strategies and actions of malicious attackers. This practice helps to identify security vulnerabilities which can then be resolved before a malicious attacker has the opportunity to exploit them.
CRITERIA TO GET A CERTIFICATE
Average assignment score = 25% of the average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100
Final score = Average assignment score + Exam score
YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF THE AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
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NPTEL Ethical Hacking Assignment 2 Quiz Answers 2022
Q1. An IP packet arrives at a router with the first eight bits as 01001101. How many bytes are there in the OPTIONS field?
a. 4
b. 8
c. 12
d. 16
e. None of these
Answer:- e. None of these
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Q2. In an IP packet, the value of HLEN is 8, and the value of the TOTAL LENGTH field is 1500 (in decimal). The number of data bytes in the packet will be ________
Answer:- 1468
Q3. An IP packet arrives at the final destination with the M flag set as 1. Which of the following statement(s) is/are true about the packet?
a. The packet represents a fragment of a larger packet.
b. The packet will be fragmented by the next router.
c. The packet is the first of multiple fragments.
d. None of these.
Answer:- (A) & (C)
Q4. Which address classes do the IP addresses 144.16.75.12 and 10.10.85.120 belong to?
a. Class C and Class A
b. Class B and Class C
c. Class B and Class A
d. Class B and Class D
Answer:- c. Class B and Class A
Q5. Which of the following IP addresses represent broadcast address?
a. 144.16.255.255
b. 144.16.0.255
c. 202.0.255.0
d. 202.0.255.255
Answer:- (A) & (D)
Q6. What happens when an IP packet gets fragmented?
a. The total number of bits transmitted over the network decreases.
b. The total number of bits transmitted over the network increases.
c. The total number of bits transmitted over the network remains the same as compared to the non-fragmented case.
d. None of these.
Answer:- b. The total number of bits transmitted over the network increases.
Q7. The maximum number of hosts that are possible in a class B network is _______
Answer:- 65534
Q8. What is the purpose of the port number field in the TCP header?
a. It indicates the sequence number of the message.
b. In indicates the hardware port of the destination host.
c. It indicates the hardware port of the source host.
d. None of these.
Answer:- d. None of these.
Q9. What is the subnet address if the destination IP address is 144.16.75.105 and the subnet mask is 255.255.240.0?
a. 144.16.32.0
b. 144.16.75.0
c. 144.16.16.0
d. None of these
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Q10. What is a TCP half-open connection in the context of connection establishment using 3-way handshake?
a. The first transaction does not complete.
b. The second transaction does not complete.
c. The first transaction does not complete but the second transaction completes.
d. The last transaction does not complete.
e. None of these.
Answer:- d. The last transaction does not complete.
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NPTEL Ethical Hacking Assignment 2 Quiz Answers 2022:-All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.
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