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Exam 300-410 topic 1 question 395 discussion

Actual exam question from Cisco's 300-410
Question #: 395
Topic #: 1
[All 300-410 Questions]

What are the two reasons for RD and VPNv4 addresses in an MPLS Layer 3 VPN? (Choose two.)

  • A. VPN RT communities are used to identify customer unique routes.
  • B. When the PE redistributes customer routes into MP-BGP, they must be unique.
  • C. They are on a CE device to use for static configuration.
  • D. They are used for a BGP session with the CE device.
  • E. RD is prepended to each prefix to make routes unique.
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Suggested Answer: BE 🗳️
by HungarianDish_111 at May 17, 2023, 3:59 p.m.

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HungarianDish_111
Highly Voted 2 years ago
Selected Answer: BE
As its name implies, a route distinguisher (RD) distinguishes one set of routes (one VRF) from another. It is a unique number prepended to each route within a VRF to identify it as belonging to that particular VRF or customer. An RD is carried along with a route via MP-BGP when exchanging VPN routes with other PE routers. https://packetlife.net/blog/2013/jun/10/route-distinguishers-and-route-targets/
upvoted 6 times
bk989
9 months, 4 weeks ago
A. VPN RT communities are used to identify customer unique routes. --> False VPN RD are used to identify customer unique routes. --> True
upvoted 2 times
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[Removed]
Most Recent 10 months, 1 week ago
Selected Answer: BE
B & E are correct
upvoted 1 times
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[Removed]
10 months, 2 weeks ago
Selected Answer: BE
B & E are correct
upvoted 1 times
...
inteldarvid
1 year, 10 months ago
Selected Answer: BE
Correct
upvoted 1 times
...
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C (25%)
B (20%)
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