ANS-C01 · Question #100
A network engineer is managing two AWS Direct Connect connections. Each connection has a public virtual interface configured with a private ASN. The engineer wants to configure active/passive…
The correct answer is A. Use Local Pref to control outbound traffic. E. Advertise more specific prefixes over one Direct Connect connection. https://docs.aws.amazon.com/directconnect/latest/UserGuide/getting_started.html#createvirtualin A public or private Border Gateway Protocol (BGP) Autonomous System Number (ASN) for your side of the BGP session. If you are using a public ASN, you must own it. If you are using a…
Question
A network engineer is managing two AWS Direct Connect connections. Each connection has a public virtual interface configured with a private ASN. The engineer wants to configure active/passive routing between the Direct Connect connections to access Amazon public endpoints. What BGP configuration is required for the on-premises equipment? (Select two.)
Options
- AUse Local Pref to control outbound traffic.
- BUse AS Prepending to control inbound traffic.
- CUse eBGP multi-hop between loopback interfaces.
- DUse BGP Communities to control outbound traffic.
- EAdvertise more specific prefixes over one Direct Connect connection.
How the community answered
(26 responses)- A77% (20)
- B8% (2)
- C4% (1)
- D12% (3)
Explanation
https://docs.aws.amazon.com/directconnect/latest/UserGuide/getting_started.html#createvirtualin A public or private Border Gateway Protocol (BGP) Autonomous System Number (ASN) for your side of the BGP session. If you are using a public ASN, you must own it. If you are using a private ASN, it must be in the 64512 to 65535 range. Autonomous System (AS) prepending does not work if you use a private ASN for a public virtual interface. An MD5 BGP authentication key. You can provide your own, or you can let Amazon generate one for you. (Public virtual interface only) Prefixes you want to advertise: Public IPv4 routes or IPv6 routes to advertise over BGP. You must advertise at least one prefix using BGP, up to a maximum of 1,000 prefixes.
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