Exam Professional Cloud Network Engineer topic 1 question 97 discussion

Actual exam question from Google's Professional Cloud Network Engineer

Question #: 97
Topic #: 1

[All Professional Cloud Network Engineer Questions]

You need to configure the Border Gateway Protocol (BGP) session for a VPN tunnel you just created between two Google Cloud VPCs, 10.1.0.0/16 and 172.16.0.0/16. You have a Cloud Router (router-1) in the 10.1.0.0/16 network and a second Cloud Router (router-2) in the 172.16.0.0/16 network. Which configuration should you use for the BGP session?

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Suggested Answer: C 🗳️

by AzureDP900 at Dec. 1, 2022, 12:44 a.m.

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ccieman2016

Highly Voted 1 year, 8 months ago

Selected Answer: C

A) wrong because peer address need be different B and D) wrong because google asn range is64512-65534, 4200000000-4294967294. C) 100% sure.

upvoted 8 times

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al_zo

Highly Voted 1 year, 8 months ago

Selected Answer: C

Agree on C.

upvoted 6 times

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didek1986

Most Recent 1 year ago

Selected Answer: C

max allowed is 65534 what eliminates most of it and ip cannot be the same

upvoted 1 times

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SZON

1 year, 5 months ago

C for sure: Cloud Router BGP IP and BGP peer IP — The two BGP interface IP addresses must be link-local IP addresses belonging to a common /30 CIDR from the 169.254.0.0/16 block. Each BGP IP defines the respective link-local IP used to exchange route information. For example, 169.254.1.1 and 169.254.1.2 belong to a common /30 block. AND Peer ASN — A public or private (64512 through 65534, 4200000000 through 4294967294) ASN used by your peer VPN gateway. https://cloud.google.com/network-connectivity/docs/vpn/how-to/creating-vpn-dynamic-routes#create_a_gateway_and_tunnel

upvoted 3 times

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