What are two potential network problems that can result from ARP operation? (Choose two.)

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Last Updated on November 2, 2020 by Admin

What are two potential network problems that can result from ARP operation? (Choose two.)

  • Manually configuring static ARP associations could facilitate ARP poisoning or MAC address spoofing.
  • On large networks with low bandwidth, multiple ARP broadcasts could cause data communication delays.
  • Network attackers could manipulate MAC address and IP address mappings in ARP messages with the intent of intercepting network traffic.
  • Large numbers of ARP request broadcasts could cause the host MAC address table to overflow and prevent the host from communicating on the network.
  • Multiple ARP replies result in the switch MAC address table containing entries that match the MAC addresses of hosts that are connected to the relevant switch port.
    Answers Explanation & Hints:

    Large numbers of ARP broadcast messages could cause momentary data communications delays. Network attackers could manipulate MAC address and IP address mappings in ARP messages with the intent to intercept network traffic. ARP requests and replies cause entries to be made into the ARP table, not the MAC address table. ARP table overflows are very unlikely. Manually configuring static ARP associations is a way to prevent, not facilitate, ARP poisoning and MAC address spoofing. Multiple ARP replies resulting in the switch MAC address table containing entries that match the MAC addresses of connected nodes and are associated with the relevant switch port are required for normal switch frame forwarding operations. It is not an ARP caused network problem.

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Click Here CCNA 1 ITN v7 – Modules 8 – 10: Communicating Between Networks Exam Answers Full 100%

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