NSE7_EFW-7.2 Question #10: Real Exam Question with Answer & Explanation

Question

Exhibit

Options

• AExternal BGP (EBGP) exchanges routing information.
• BExternal BGP (EBGP) exchanges routing information.
• CThe router 100.64.3.1 has the parameter bfd set to enable.
• DThe neighbors displayed are linked to a local router with the neighbor-range set to a value of 4.

Explanation

The output of the BGP (Border Gateway Protocol) summary shows details about the BGP neighbors of a router, their Autonomous System (AS) numbers, the state of the BGP session, and other metrics like messages received and sent. From the BGP summary provided: This conclusion can be inferred because the AS numbers for the neighbors are different from the local AS number (65117), which suggests that these are external connections. B. The BGP session with peer 10.127.0.75 is established. This is indicated by the state/prefix received column showing a numeric value (1), which typically means that the session is established and a number of prefixes has been received. C. The router 100.64.3.1 has the parameter bfd set to enable. This cannot be concluded directly from the summary without additional context or commands specifically showing BFD (Bidirectional Forwarding Detection) configuration. D. The neighbors displayed are linked to a local router with the neighbor-range set to a value of 4. The neighbor- range concept does not apply here; the value 4 in the 'V' column stands for the BGP version number, which is typically 4.

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