Nokia
4A0-M01 · Question #30
A network element (NE) forwards external traffic through a Virtual Routing and Redundancy Protocol (VRRP) protected gateway interface. If the master goes offline, how does the NE learn to forward…
The correct answer is C. The network elements refresh their current gateway interface ARP cache entry or send out an ARP request if the entry is timed out. See the full explanation below for the reasoning.
Question
A network element (NE) forwards external traffic through a Virtual Routing and Redundancy Protocol (VRRP) protected gateway interface. If the master goes offline, how does the NE learn to forward traffic to the new master interface?
Options
- AUpon assuming the master role, the new master advertises its presence through Gratuitous Address Resolution Protocol (ARP) messages
- BThe master updates the forwarding table entries by delivering all frames into the network using the Virtual Media Access Control (MAC) source address
- CThe network elements refresh their current gateway interface ARP cache entry or send out an ARP request if the entry is timed out
- DThe new master interface delivers the new virtual interface MAC address into the network via Master Advertisement Messages
How the community answered
(25 responses)- A12% (3)
- B4% (1)
- C80% (20)
- D4% (1)
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