Cisco
400-007 · Question #244
400-007 Question #244: Real Exam Question with Answer & Explanation
The correct answer is A: GRE Key and Sequence number extensions. See the full explanation below for the reasoning.
Question
Which extensions to GRE tunneling provide session tracking and in-order packet delivery in exchange for additional state stored in tunnel endpoints?
Options
- AGRE Key and Sequence number extensions
- BGRE Protocol Type and Checksum extension fields
- CGRE Version and Reserved0 extension fields
- DNo extension fields are available in the GRE header to track session data and packet sequences
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