Huawei Certified ICT Associate – Data Center Network (HCIA-DCN) — Question 118

Which of the following statements is false about ARP packets?

Answer options

• A. Any network device needs to send ARP packets to obtain the data link layer identifier.
• B. ARP Reply packets are transmitted in unicast mode.
• C. ARP packets cannot traverse routers and cannot be forwarded to other broadcast domains.
• D. ARP Request packets are transmitted in broadcast mode.

Correct answer: C

Explanation

The correct statement is C, as ARP packets are indeed confined to the local broadcast domain and do not traverse routers. Options A, B, and D are accurate descriptions of ARP packet behavior; for instance, ARP Requests are broadcasted to discover hosts, while ARP Replies are sent directly to the requesting device.