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Networking | ARP Aptitude Questions and Answers
Networking | ARP Aptitude Questions and Answers: This section contains aptitude questions and answers on Networking | Address Resolution Protocol (ARP).
Submitted by Nidhi, on May 06, 2021
Networking ARP Aptitude Questions and Answers
1) There are the following statements that are given below, which of them are correct ARP?
- The ARP protocol is used to get destination MAC address from the destination IP address.
- The ARP protocol is used to get the destination IP address from the destination MAC address.
- The ARP stands for Address Resolution Protocol.
- The ARP protocol works on the same network as well as connected networks.
Options:
- A and C
- A and B
- A, C and D
- B, C, and D
Correct answer: 3
A, C and D
Explanation:
Statements A, C, and D are correct about the ARP protocol.
2) The ARP protocol operates on which layer of the OSI model?
- Physical Layer
- Network Layer
- Session Layer
- Application
Correct answer: 2
Network Layer
Explanation:
The ARP protocol operates at the network layer of the OSI model.
3) In which year ARP was defined first time in Request for Comment?
- 1982
- 1985
- 1988
- 1990
Correct answer: 1
1982
Explanation:
The ARP was defined first time in 1982 by David C. Plummer.
4) Which of the following RFC number is used for ARP?
- RFC 826
- RFC 829
- RFC 834
- RFC 835
Correct answer: 1
RFC 826
Explanation:
The RFC 826 was defined for ARP.
5) Which protocol is used to provide functionalities of ARP for IPv6 addresses?
- RARP
- IARP
- Neighbor Discovery Protocol
- None of the Above
Correct answer: 3
Neighbor Discovery Protocol
Explanation:
The NDP is used to provide functionalities of ARP for IPv6 addresses.
6) The PDU stands for?
- Protocol Data Unit
- Packet Data Unit
- Packet Delivery Unit
- Packet Data Uniqueness
Correct answer: 1
Protocol Data Unit
Explanation:
The PDU stands for Protocol Data Unit.
7) Which of the following are parts of the ARP message format?
- Hardware Type
- Sender Hardware Address
- OP code
- Sender Protocol Address
Options:
- A and B
- C and D
- A, B, and D
- A, B, C, and D
Correct answer: 4
A, B, C, and D
Explanation:
All given options are the parts of the ARP message format.
8) There are the following statements that are given below, which of them are correct OP code used in ARP message format?
- The OP code is used to specify the type of ARP message.
- The OP code is part of only the ARP request message.
- The OP code 1 is used for ARP request.
- The OP code 0 is used for ARP reply.
Options:
- A and B
- A and C
- B and C
- A, C, and D
Correct answer: 2
A and C
Explanation:
Statements A and C are correct about OP code used in the ARP message format.
9) How many bytes are reserved for target hardware address in ARP message format?
- 4 bytes
- 6 bytes
- 8 bytes
- 16 bytes
Correct answer: 2
6 bytes
Explanation:
The 6 bytes are reserved for target hardware address in ARP message format.
10) Each protocol assigned a number for the protocol type field in ARP message format?
- Yes
- No
Correct answer: 1
Yes
Explanation:
Yes, In ARP message format, each protocol assigned a number for the protocol type field.
11) Which of the following number is assigned for IPv4 in the protocol type field of ARP message format?
- 0x400
- 0x800
- 0x100
- 0x200
Correct answer: 2
0x800
Explanation:
The 0x800 number is assigned for IPv4 protocol in the protocol type field of ARP message format.
12) The ARP cache stores IP address and resolved MAC address at the sender side?
- Yes
- No
Correct answer: 1
Yes
Explanation:
Yes, the ARP cache stores IP address and resolve the MAC address at the sender side.
13) Is there any concept of ARP cache timeout?
- Yes
- No
Correct answer: 1
Yes
Explanation:
Yes, the ARP cache timeout specifies the time for which the MAC address in the ARP cache can reside.
14) An ARP request is a?
- Unicast
- Broadcast
Correct answer: 2
Broadcast
Explanation:
An ARP request is a broadcast whereas an ARP response is unicast.
15) Which of the following address is used in Ethernet broadcast for ARP request?
- 255.255.255.255
- 255.255.255.254
- FF:FF:FF:FF:FF:FF
- 255.255.255.251
Correct answer: 3
FF:FF:FF:FF:FF:FF
Explanation:
The "FF:FF:FF:FF:FF:FF" address is used in Ethernet broadcast for ARP request.
16) RARP stands for?
- Reserve Address Resolution Protocol
- Reverse Address Resolution Protocol
- Revert Address Resolution Protocol
- Responsive Address Resolution Protocol
Correct answer: 2
Reverse Address Resolution Protocol
Explanation:
The RARP stands for Reverse Address Resolution Protocol.
17) There are the following statements that are given below, which of them are correct Inverse ARP?
- The Inverse ARP protocol is used to get the IP address from the MAC address.
- It is the opposite of ARP.
- The Inverse is used in only the Linux operating system.
- All the above
Options:
- A and B
- A and C
- B and C
- D
Correct answer: 1
A and B
Explanation:
Statements A and B are correct about inverse ARP.
18) Which of the following protocols are used as a replacement of RARP?
- DNS
- Inverse ARP
- BOOTP
- DHCP
Options:
- A and B
- C and D
- A, B and D
- A, B, and C
Correct answer: 2
C and D
Explanation:
The BOOTP and DHCP protocols are used as a replacement for RARP.
19) What is ARP spoofing?
- ARP proxy request
- RARP request
- Inverse ARP request
- Type of network attack
Correct answer: 4
Type of network attack
Explanation:
The ARP spoofing is a type of network attack.
20) Which of the following protocol is used to broadcast MAC address to the entire network when a computer boots up?
- Inverse ARP
- Proxy ARP
- Gratuitous ARP
- Serial Line ARP
Correct answer: 3
Gratuitous ARP
Explanation:
The Gratuitous ARP is used to broadcast MAC addresses to the entire network when a computer boots up.