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FRR is configured on a network. What occurs when the headend router on the path is alerted to a link failure over IGP?

A.

LSP attempts fast switching on the backup path until the primary path returns to the active state.

Answers
A.

LSP attempts fast switching on the backup path until the primary path returns to the active state.

B.

The headend router uses a presignaled LSP to bypass the failure point.

Answers
B.

The headend router uses a presignaled LSP to bypass the failure point.

C.

A new backup tunnel is established past the PLR to pass through the protected nodes

Answers
C.

A new backup tunnel is established past the PLR to pass through the protected nodes

D.

Backup tunnel is established and intersects with the primary tunnel at the headend.

Answers
D.

Backup tunnel is established and intersects with the primary tunnel at the headend.

Suggested answer: A
asked 10/10/2024
Anthony Zaborski
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