Ethical Hacking Quiz 1
In which penetration testing model, no information about the network is given to tester?
Black box model
A 1000 byte packet is sent over a 50 kilo-bits-per-second (Kbps) point-to-point link whose propagation delay is 10 msec. The packet will reach the destination after (Assume 1K = 1000 )
170
Which OSI layers is responsible for end-to-end reliable data transfer, with error recovery and flow control?
Transport layer
Which of the following is/are false for TCP/IP model?
a) a. It allows cross-platform communications among heterogeneous networks.
b) It can also represent any other protocol stack other than the TCP/IP suite such as Bluetooth connection.
a) a. It allows cross-platform communications among heterogeneous networks.
b) It can also represent any other protocol stack other than the TCP/IP suite such as Bluetooth connection.
b) It can also represent any other protocol stack other than the TCP/IP suite such as Bluetooth connection.
Which of the following is true for the IP?
a) It uniquely identifies a network interface of a computer system.
b) It uniquely identifies a host in the network.
a) It uniquely identifies a network interface of a computer system.
b) It uniquely identifies a host in the network.
b) It uniquely identifies a host in the network.
How many bits are used for IP address (in IP version 4) and port number respectively?
32, 16
If a 2000 byte data message is sent using a TFTP, the corresponding Ethernet packet will be of size ____ bytes.
2050
If the IP header is 192 bits long, what will be the value (in decimal) of the “HLEN” field ____?
6
Which of the following is/are false for IP fragmentation?
a) Each fragmented packet is considered as separate IP packet.
b) IP fragmentation is typically done by layer-2 switches.
a) Each fragmented packet is considered as separate IP packet.
b) IP fragmentation is typically done by layer-2 switches.
b) IP fragmentation is typically done by layer-2 switches.
Consider the following statements:
(i) In transparent fragmentation, all fragmented packets are reassembled by an exit router.
(ii) In non-transparent fragmentation, all fragmented packets reassembled by host.
(i) In transparent fragmentation, all fragmented packets are reassembled by an exit router.
(ii) In non-transparent fragmentation, all fragmented packets reassembled by host.
Both (i) and (ii) are true.
For reassembling the fragmented packets at the final destination, which header fields are used by IP?
1. Fragment offset.
2. Flags.
3. Identification.
2. Flags.
3. Identification.
An IP packet arrives at a router with the first eight bits as 01001100. How many bytes are there in the OPTIONS field ____ ?
28
In an IP packet, the value of HLEN is 6, and the value of the TOTAL LENGTH field is 1000 (one thousand). The number of data bytes in the packet will be ____.
(Range:) 976,1000
Which of the following is/are not a feature of TCP?
a) Connection-oriented service.
b) Unreliable service.
a) Connection-oriented service.
b) Unreliable service.
b) Unreliable service.
What is the subnet address if the destination IP address is 144.16.34.124 and the subnet mask is 255.255.242.0?
144.16.34.0
An organization is allotted a block with beginning address as: 144.16.192.16/28 in CIDR notation. What will be the address range for that block?
144.16.192.16 to 144.16.192.31
Which of the following routing flags can indicate route to a single host (and not to a network) in the routing table?
H
If a packet is to be delivered to all the hosts in a network, what kind of address should be used to specify the destination?
Broadcast address.
How many bits are used to represent IPv4 and IPv6 addresses respectively?
32, 128
When an entire IPv6 packet is included as payload inside an IPv4 packet, it is called
Tunneling
The size of base header in IPv6 datagram packet is ____ bytes.
40
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 not present on same network.
b) Indirect delivery occurs when the destination host and deliverer are present on same network.
a) Direct delivery occurs when the destination host and deliverer are not present on same network.
b) Indirect delivery occurs when the destination host and deliverer are present on same network.
Both (a) and (b)
Total Number of Questions: 22
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