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Question 880
A monitoring system only needs interface errors and route state. What API operation is appropriate before any modifications?
- Read supported API version documentation
- Use authenticated HTTPS REST GET for state
- Check management VRF and HTTPS server exposure
- Handle JSON response and HTTP errors safely
Explanation
Correct Answer
B:Use read-only authenticated REST GET resources. The supported AOS-CX API exposes switch resources over secured HTTPS with read operations for monitoring.
Incorrect Answers
A:Endpoint paths and schemas depend on the version supported by the switch operating system. But this does not address the case requirement to collect device state safely.
C:API reachability depends on the enabled server, access policy, and selected routing context. But this does not address the case requirement to collect device state safely.
D:Structured payload validation and explicit status handling prevent the automation from silently accepting failures. But this does not address the case requirement to collect device state safely.
Question 881
A REST service is enabled only on the mgmt VRF but the client sends requests through an isolated production VLAN. What setting should be diagnosed?
- Validate authentication and authorized role
- Check management VRF and HTTPS server exposure
- Use authenticated HTTPS REST GET for state
- Inspect resource schema through device API reference
Explanation
Correct Answer
B:Management VRF and HTTPS server access determine the API path. API reachability depends on the enabled server, access policy, and selected routing context.
Incorrect Answers
A:Successful transport alone does not grant API permission to query or modify every managed object. But this does not address the case requirement to restore correct management routing access.
C:The supported AOS-CX API exposes switch resources over secured HTTPS with read operations for monitoring. But this does not address the case requirement to restore correct management routing access.
D:The switch's Swagger-style API reference describes allowed URIs, object schemas, and methods. But this does not address the case requirement to restore correct management routing access.
Question 882
A new API call claims a field is unknown; the device's reference UI shows the current schema. What should the developer use?
- Inspect resource schema through device API reference
- Read supported API version documentation
- Use authenticated HTTPS REST GET for state
- Check management VRF and HTTPS server exposure
Explanation
Correct Answer
A:Consult the model and version-specific REST API resource definition. The switch's Swagger-style API reference describes allowed URIs, object schemas, and methods.
Incorrect Answers
B:Endpoint paths and schemas depend on the version supported by the switch operating system. But this does not address the case requirement to fix endpoint schema errors.
C:The supported AOS-CX API exposes switch resources over secured HTTPS with read operations for monitoring. But this does not address the case requirement to fix endpoint schema errors.
D:API reachability depends on the enabled server, access policy, and selected routing context. But this does not address the case requirement to fix endpoint schema errors.
Question 883
A nightly fleet audit accidentally reports a replacement switch as the old model because it trusts a spreadsheet label. What should the script read?
- Read immutable device identity and software details
- Capture time-stamped structured audit results
- Collect configuration hashes or diffs
- Rate-limit and retry safely under API errors
Explanation
Correct Answer
A:Pull actual hardware and OS identity from the live device. Asset and release inventory should derive from actual device attributes rather than assumed labels.
Incorrect Answers
B:A reliable job records device ID, time, version, collection status and evidence for every audit. But this does not address the case requirement to avoid stale inventory assumptions.
C:Comparing approved baseline hashes to live configuration helps detect unreviewed drift. But this does not address the case requirement to avoid stale inventory assumptions.
D:Respectful request pacing, backoff and finite retries protect platform resources and avoid uncontrolled loops. But this does not address the case requirement to avoid stale inventory assumptions.
Question 884
A security team must detect configuration drift across branches without blindly rewriting every switch. What comparison is useful?
- Rate-limit and retry safely under API errors
- Collect configuration hashes or diffs
- Use least-privilege read-only API identity
- Capture time-stamped structured audit results
Explanation
Correct Answer
B:Compare device configuration fingerprint or diff against the approved baseline. Comparing approved baseline hashes to live configuration helps detect unreviewed drift.
Incorrect Answers
A:Respectful request pacing, backoff and finite retries protect platform resources and avoid uncontrolled loops. But this does not address the case requirement to audit deviations before remediation.
C:Observation scripts should not gain unnecessary write or delete permissions across a network estate. But this does not address the case requirement to audit deviations before remediation.
D:A reliable job records device ID, time, version, collection status and evidence for every audit. But this does not address the case requirement to audit deviations before remediation.
Question 885
An inventory collector uses the same unrestricted administrator account as production writers. What should change?
- Use least-privilege read-only API identity
- Secure API secrets and collected data
- Capture time-stamped structured audit results
- Rate-limit and retry safely under API errors
Explanation
Correct Answer
A:Read-only least privilege fits an observation-only collector. Observation scripts should not gain unnecessary write or delete permissions across a network estate.
Incorrect Answers
B:Tokens, session credentials and inventory content require approved secret storage and restricted logging. But this does not address the case requirement to reduce automation credential exposure.
C:A reliable job records device ID, time, version, collection status and evidence for every audit. But this does not address the case requirement to reduce automation credential exposure.
D:Respectful request pacing, backoff and finite retries protect platform resources and avoid uncontrolled loops. But this does not address the case requirement to reduce automation credential exposure.
Question 886
A compliance report lists differences but has no timestamps or switch identifiers. Which evidence should be added?
- Use least-privilege read-only API identity
- Collect configuration hashes or diffs
- Read immutable device identity and software details
- Capture time-stamped structured audit results
Explanation
Correct Answer
D:Record device identity, job time, status and provenance with each result. A reliable job records device ID, time, version, collection status and evidence for every audit.
Incorrect Answers
A:Observation scripts should not gain unnecessary write or delete permissions across a network estate. But this does not address the case requirement to create traceable audit output.
B:Comparing approved baseline hashes to live configuration helps detect unreviewed drift. But this does not address the case requirement to create traceable audit output.
C:Asset and release inventory should derive from actual device attributes rather than assumed labels. But this does not address the case requirement to create traceable audit output.
Question 887
Polling thousands of devices too fast causes 429/503 errors and high control-plane load. Which behavior should the client implement?
- Capture time-stamped structured audit results
- Secure API secrets and collected data
- Rate-limit and retry safely under API errors
- Collect configuration hashes or diffs
Explanation
Correct Answer
C:Use bounded pacing and backoff instead of unrestrained retries. Respectful request pacing, backoff and finite retries protect platform resources and avoid uncontrolled loops.
Incorrect Answers
A:A reliable job records device ID, time, version, collection status and evidence for every audit. But this does not address the case requirement to avoid overwhelming the management API.
B:Tokens, session credentials and inventory content require approved secret storage and restricted logging. But this does not address the case requirement to avoid overwhelming the management API.
D:Comparing approved baseline hashes to live configuration helps detect unreviewed drift. But this does not address the case requirement to avoid overwhelming the management API.
Question 888
A debug pipeline accidentally prints session tokens in every error report. What handling rule was violated?
- Read immutable device identity and software details
- Secure API secrets and collected data
- Use least-privilege read-only API identity
- Collect configuration hashes or diffs
Explanation
Correct Answer
B:Protect authentication secrets and redact them from audit artifacts. Tokens, session credentials and inventory content require approved secret storage and restricted logging.
Incorrect Answers
A:Asset and release inventory should derive from actual device attributes rather than assumed labels. But this does not address the case requirement to prevent credentials leaking in logs.
C:Observation scripts should not gain unnecessary write or delete permissions across a network estate. But this does not address the case requirement to prevent credentials leaking in logs.
D:Comparing approved baseline hashes to live configuration helps detect unreviewed drift. But this does not address the case requirement to prevent credentials leaking in logs.
Question 889
A script queries each switch model against local naming conventions, mislabeling several swapped units. Which authoritative attributes should be collected?
- Read immutable device identity and software details
- Capture time-stamped structured audit results
- Collect configuration hashes or diffs
- Rate-limit and retry safely under API errors
Explanation
Correct Answer
A:Read device-reported serial, model and firmware data. Asset and release inventory should derive from actual device attributes rather than assumed labels.
Incorrect Answers
B:A reliable job records device ID, time, version, collection status and evidence for every audit. But this does not address the case requirement to validate actual inventory state.
C:Comparing approved baseline hashes to live configuration helps detect unreviewed drift. But this does not address the case requirement to validate actual inventory state.
D:Respectful request pacing, backoff and finite retries protect platform resources and avoid uncontrolled loops. But this does not address the case requirement to validate actual inventory state.
Question 890
A periodic job must flag changed configuration hashes for human review, not auto-commit changes. What should it store?
- Secure API secrets and collected data
- Collect configuration hashes or diffs
- Use least-privilege read-only API identity
- Read immutable device identity and software details
Explanation
Correct Answer
B:An approved baseline hash and current snapshot diff. Comparing approved baseline hashes to live configuration helps detect unreviewed drift.
Incorrect Answers
A:Tokens, session credentials and inventory content require approved secret storage and restricted logging. But this does not address the case requirement to identify configuration divergence.
C:Observation scripts should not gain unnecessary write or delete permissions across a network estate. But this does not address the case requirement to identify configuration divergence.
D:Asset and release inventory should derive from actual device attributes rather than assumed labels. But this does not address the case requirement to identify configuration divergence.
HPE Network Switching Professional (HPE7-A08) Practice Tests