ANS-C01 Network Implementation Practice Question
A company is setting up a Direct Connect connection to AWS. The on-premises router is configured with a BGP ASN of 64511. The AWS side uses a public ASN of 64512. Which configuration change is required for BGP peering to establish?
⚠ Common exam trap
A common mix-up: candidates assume any ASN is acceptable for BGP peering, but AWS Direct Connect specifically requires the customer ASN to be in the private range 64512–65534 unless a special request is made to use a public ASN.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change the customer ASN to a value in the 64512-65534 range.
The customer's BGP ASN 64511 is not within the private ASN range 64512-65534 required by AWS Direct Connect. Therefore, the customer must change their ASN to a value in that range to establish BGP peering.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the eBGP multihop TTL to 2.
Why it's wrong here
eBGP multihop is not needed for directly connected routers.
- ✗
Configure the BGP peer with a public ASN on the customer side.
Why it's wrong here
Public ASN is not required; Direct Connect uses private ASNs.
- ✗
Enable BGP authentication with MD5 password.
Why it's wrong here
MD5 authentication is optional, not required for peering.
- ✓
Change the customer ASN to a value in the 64512-65534 range.
Why this is correct
Direct Connect requires private ASNs for the customer side.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ANS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the ANS-C01 exam.