ANS-C01 Network Management and Operations Practice Question
This ANS-C01 practice question tests your understanding of network management and operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company has a Direct Connect connection with a private VIF attached to a Direct Connect Gateway. The Direct Connect Gateway is associated with a Transit Gateway. The on-premises network advertises a prefix via BGP, but the prefix does not appear in the Transit Gateway route table. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The prefix is not included in the allowed prefixes list for the Direct Connect Gateway.
Option C is correct because the allowed prefixes list on the Direct Connect Gateway filters which prefixes are accepted. Option A is incorrect because route propagation is for VPCs, not Direct Connect. Option B is incorrect because Transit Gateway associations are for attachments, not prefix filtering. Option D is incorrect because BGP communities are used for tagging, not for prefix acceptance.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Route propagation is not enabled on the Transit Gateway route table.
Why it's wrong here
Route propagation is for VPC attachments, not for Direct Connect.
✗
The on-premises router is not sending the BGP community attribute.
Why it's wrong here
BGP communities are optional and not required for prefix acceptance.
✗
The Transit Gateway is not associated with the Direct Connect Gateway.
Why it's wrong here
The association exists; otherwise no prefixes would be learned.
✓
The prefix is not included in the allowed prefixes list for the Direct Connect Gateway.
Why this is correct
The allowed prefixes list controls which BGP prefixes are accepted.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Network Management and Operations — This question tests Network Management and Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The prefix is not included in the allowed prefixes list for the Direct Connect Gateway. — Option C is correct because the allowed prefixes list on the Direct Connect Gateway filters which prefixes are accepted. Option A is incorrect because route propagation is for VPCs, not Direct Connect. Option B is incorrect because Transit Gateway associations are for attachments, not prefix filtering. Option D is incorrect because BGP communities are used for tagging, not for prefix acceptance.
What should I do if I get this ANS-C01 question wrong?
Identify which ANS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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