A Large ISP Is Analyzing the Following IGP Requirements: the Network

question 127

Multiple Choice

A large ISP is analyzing the following IGP requirements: The network must be resilient against unstable MTU in one side for newly deployed transmission equipment. The network must support MPLS traffic engineering solution for future use. Which IGP must be selected and why?

• A) OSPF: in case of MTU changes, your TE tunnels keep the LSP stable
• B) IS-IS: the adjacency remains up even if MTU changes
• C) IS-IS: in case of MTU changes, your TE tunnels keep the LSP stable
• D) OSPF: the adjacency remains up even if MTU changes

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