Huawei
H12-891_V1.0 · Question #203
Which of the following regular expressions can only match BCP routing entries that first pass through AS300 and then pass through AS200?
The correct answer is D. _(200 300)_. See the full explanation below for the reasoning.
Advanced IP Routing and Multicast
Question
Which of the following regular expressions can only match BCP routing entries that first pass through AS300 and then pass through AS200?
Options
- A^200 | ^300
- B[200 300]
- C200$ | 300$
- D(200 300)
How the community answered
(25 responses)- A4% (1)
- B12% (3)
- C4% (1)
- D80% (20)
Topics
#BGP regular expressions#AS path filtering#BGP routing policy
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