Which two statements are true about the forwarding table? (Choose two.)
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A. B. C. D.BC
The forwarding table is a critical component of any network device that uses IP routing. It is used to determine how incoming packets should be forwarded based on their destination IP address. Here are the two statements that are true about the forwarding table:
B. The forwarding table contains only active routes: The forwarding table only includes routes that are currently active and available for forwarding packets. These routes have been learned through various routing protocols, such as OSPF, BGP, or static routes. Inactive or inaccessible routes are not included in the forwarding table, and packets destined for those routes will be dropped.
C. The forwarding table is used to process transit packets: When a packet arrives at a network device, the device consults the forwarding table to determine the next hop or interface for forwarding the packet. The forwarding table provides the necessary information to process transit packets, and it enables the network device to make forwarding decisions based on destination IP addresses.
A. The forwarding table lists each source protocol and preference for each destination: This statement is not entirely accurate. The forwarding table does list the next hop or interface for each destination, but it does not necessarily list the source protocol or preference. The source protocol and preference are used by the routing protocol to determine the best path to the destination, but they are not included in the forwarding table itself.
D. The forwarding table is stored in compact flash: This statement is false. The forwarding table is stored in the router's memory and is generated dynamically based on the active routing protocols and their associated routing tables. The forwarding table is updated periodically to reflect changes in the routing topology, and it is not stored in compact flash or any other storage device.
In summary, the forwarding table contains only active routes and is used to process transit packets. It does not list the source protocol or preference, and it is not stored in compact flash.