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ARP - ARP Gratuitous

Created: Feb 9, 2020 15:58:05Latest reply: Feb 28, 2022 04:57:50 1756 4 0 0 0
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Which of the following statements about gratuitous ARP is correct?
[A] A device sends gratuitous ARP packets only after obtaining an IP address through DHCP.
[B] Gratuitous ARP must be enabled by management personnel
[C] Generally, gratuitous ARP packets are sent automatically when the IP address of a host change
[D] Gratuitous ARP packets are sent periodically
Wich of the following statements is false about ARP packets?
[A] ARP Request packets are transmitted in broadcast mode
[B] ARP Reply packets are transmitted in unicast  mode
[C]  Any network device needs to send ARP packets to obtain the data link layer identifier
[D] ARP Request packets cannot traverse routers and cannot be forwarded to other broadcast domain

ARP can resolve the MAC address of a destination device based on the destination IP address and map between data link addresses and IP address.

True or false?


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chenhui
Admin Created Feb 10, 2020 02:17:13

@CRIS1794 hello,
here is my answer for refer: C, C, True.
For the first question, device will send gratutious ARP packets periodically when it receives an ARP packet which destination IP is same with its own IP, but gratutious ARP packets would be sent periodically spontaneously.
For the second question option C, switch would learn the MAC address without send ARP packets.

By the way, it's better to solve these exam question yourself.
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Saqibaz
Saqibaz Created Feb 28, 2022 04:57:33 (1) (0)
 
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HI User,
this is a forum to provide support on huawei equipment. we can not solve question for exams. hope this will understand the answer,
if you have any problem regarding huawei equipment do let us know.
View more
  • x
  • convention:

@CRIS1794 hello,
here is my answer for refer: C, C, True.
For the first question, device will send gratutious ARP packets periodically when it receives an ARP packet which destination IP is same with its own IP, but gratutious ARP packets would be sent periodically spontaneously.
For the second question option C, switch would learn the MAC address without send ARP packets.

By the way, it's better to solve these exam question yourself.
View more
  • x
  • convention:

Saqibaz
Saqibaz Created Feb 28, 2022 04:57:33 (1) (0)
 
Thanks for the sharing
View more
  • x
  • convention:

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