NPTEL Ethical Hacking Week 2 Assignment Answers 2024
- Which of the following statement(s) is/are true for transparent fragmentation?
a. The subsequent networks are aware that the fragmentation has occurred.
b. It is required to route all packet to the same exit router in a network.
c. Each fragment is treated as an independent packet.
d. All fragmented packets are reassembled by host system.
e. All fragmented packets are reassembled by the exit router.
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- For reassembling the fragmented packets at the final destination, which of the following header field(s) is(are) used by IP?
a. Fragment offset.
b. Flags.
c. Header checksum.
d. HLEN.
e. Identification.
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- An IP packet arrives at the final destination with the D flag set as 1. Which of the following statement is true about the packet?
a. The packet has not been fragmented.
b. The packet has been fragmented and it is the first fragment.
c. The packet has been fragmented and it is the last fragment.
d. None of these.
Answer :-
- In an IP packet, the value of HLEN is 8, and the total size of IP packet is 1500 bytes. The number of data bytes in the packet will be_________.
Answer :-
- Which of the following statements) is/are false for IP addressing?
a. Each host connected to the Internet is defined by an IP address.
b. IP address consist of two parts: network number and host number.
c. When a packet is routed to the destination network, only the network number is used.
d. None of these.
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- Which address classes do the IP addresses 10.16.75.12 and 192.10.85.120 belong to?
a. Class A and Class B
b. Class B and Class C
c. Class C and Class D
d. Class A and Class C
Answer :-
- Which of the following IP addresses does not represent broadcast address?
a. 10.0.0.255
b. 10.255.255.255
c. 144.16.255.255
d. 173.16.0.255
e. 192.168.5.255
f. 192.168.255.0
Answer :-
- Which of the following statements) is/are false for flag bits in TCP header?
a. SYN=1 and ACK=0 represents a connection request message.
b. SYN=1 and ACK=1 represents a connection confirmation message.
c. RST bit is used to reset/reject connection request.
d. None of these.
Answer :-
- What is the subnet address if the destination IP address is 144.16.34.124 and the subnet mask is 255.255.242.0?
a. 144.16.32.0
b. 144.16.34.0
c. 144.16.34.255
d. 144.16.242.255
Answer :-
- An organization is allotted an address block with beginning address as: 144.16.192.24/29 in CIDR notation. What will be the address range for that block?
a. 144.16.192.0 to 144.16.192.8
b. 144.16.192.8 to 144.16.192.16
c. 144.16.192.16 to 144.16.192.24
d. 144.16.192.24 to 144.16.192.31
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