CompTIA CS0-003 Practice Test 15
Question 140
Insurance customer platform is reviewing a security finding affecting managed vulnerability scanning service: vendor remediation SLA breached for exposed customer API. The current reporting problem is that vendor dashboard shows many closed tickets without evidence. The technical remediation team and assurance group request reproducible supporting information. Which report content is most useful?
- Remove the timestamps and correlations from contract SLA, verification scans and reopen events so the technical report occupies fewer pages
- Give supplier assurance lead the same board overview rather than the reproducible records from contract SLA, verification scans and reopen events
- Provide the original relevant artifacts and validation method from contract SLA, verification scans and reopen events, tied to affected assets, owners and retest criteria
- Accept an assertion that supplier assurance lead completed the correction with no retest against contract SLA, verification scans and reopen events
Explanation
Correct Answer
C:Contract SLA, verification scans and reopen events gives engineers traceable scope and a basis for confirming that supplier assurance lead has resolved the identified exposure on managed vulnerability scanning service.
Incorrect Answers
A:Such edits break reproducibility of vendor remediation SLA breached for exposed customer API and make scope or remediation errors harder to find.
B:A high-level board summary cannot identify the concrete contract SLA, verification scans and reopen events fields needed for technical validation.
D:Self-assessment without test artifacts is weaker than verifiable contract SLA, verification scans and reopen events and agreed acceptance conditions.
Question 141
Insurance customer platform is reviewing a security finding affecting managed vulnerability scanning service: vendor remediation SLA breached for exposed customer API. The current reporting problem is that vendor dashboard shows many closed tickets without evidence. Stakeholders include vendor manager and API product owner. Notification may be sensitive while facts are still being verified. Which communication process is most appropriate?
- Coordinate fact-checked messages, recipients and timing with vendor manager and API product owner, preserving applicable legal and incident approval paths
- Release unconfirmed details about vendor remediation SLA breached for exposed customer API externally before evidence and approvals from vendor manager and API product owner have been reconciled
- Give a technical engineer sole authority for every legal or public statement otherwise owned by vendor manager and API product owner
- Withhold notification of vendor remediation SLA breached for exposed customer API indefinitely even after verified contract SLA, verification scans and reopen events meets a binding disclosure threshold
Explanation
Correct Answer
A:The parties vendor manager and API product owner have different responsibilities. Using verified contract SLA, verification scans and reopen events and governed timing avoids both premature unsubstantiated disclosure and withholding a binding notification.
Incorrect Answers
B:Unconfirmed claims could misrepresent the impact of vendor remediation SLA breached for exposed customer API and breach communication obligations.
C:Technical diagnosis does not automatically confer the disclosure authority held by vendor manager and API product owner.
D:If verified contract SLA, verification scans and reopen events triggers obligations, indefinite silence could breach law, contracts or organizational response rules.
Question 142
Insurance customer platform is reviewing a security finding affecting managed vulnerability scanning service: vendor remediation SLA breached for exposed customer API. The current reporting problem is that vendor dashboard shows many closed tickets without evidence. Executives say the existing dashboard does not reveal whether exposure or response outcomes are improving. Which measurement best resolves that?
- Compare Insurance customer platform teams only by tickets closed, ignoring which services are still exposed to vendor remediation SLA breached for exposed customer API
- Track a defined, evidence-based measure of verified closeout against service-level obligations, with trend, scope and accountable source
- Measure improvement in verified closeout against service-level obligations by how many slides were added to the board presentation
- Redefine verified closeout against service-level obligations every week until all dashboards appear positive
Explanation
Correct Answer
B:The measure verified closeout against service-level obligations connects reporting to a change in contract commitments and customer-data exposure both matter, rather than the number of reports or raw alert volume. Trends must use consistent inputs from contract SLA, verification scans and reopen events.
Incorrect Answers
A:Tickets can hide unresolved contract commitments and customer-data exposure both matter; a risk-weighted outcome metric is needed.
C:Presentation size does not establish verified closeout against service-level obligations or whether vendor remediation SLA breached for exposed customer API is managed.
D:Inconsistent measures cannot support a credible trend for verified closeout against service-level obligations.
Question 143
Insurance customer platform is reviewing a security finding affecting managed vulnerability scanning service: vendor remediation SLA breached for exposed customer API. The current reporting problem is that vendor dashboard shows many closed tickets without evidence. An action plan is being negotiated, but provider disputes vulnerability severity. What reporting recommendation best supports practical remediation?
- Ask the supplier assurance lead to document mitigation choices for managed vulnerability scanning service, service constraints, milestones, approvers and time-bound risk acceptance if needed
- Copy a generic checklist for vendor remediation SLA breached for exposed customer API without accountable owners, asset scope or milestones
- Set an immediate fix deadline for managed vulnerability scanning service without acknowledging that provider disputes vulnerability severity
- Give supplier assurance lead an unlimited exception because provider disputes vulnerability severity rather than reporting residual risk and expiry
Explanation
Correct Answer
A:Provider disputes vulnerability severity creates a real implementation constraint. A plan owned by supplier assurance lead with measured risk and delegated approvals protects contract commitments and customer-data exposure both matter better than an unrealistic generic deadline.
Incorrect Answers
B:A non-accountable template cannot address provider disputes vulnerability severity or demonstrate progress on vendor remediation SLA breached for exposed customer API.
C:Ignoring provider disputes vulnerability severity can turn a security fix into service disruption while failing to clarify remaining risk.
D:Contract commitments and customer-data exposure both matter still requires a documented, reviewed response; difficulty is not indefinite risk acceptance.
Question 144
Insurance customer platform is reviewing a security finding affecting managed vulnerability scanning service: vendor remediation SLA breached for exposed customer API. The current reporting problem is that vendor dashboard shows many closed tickets without evidence. A corrective action has been reported complete. What should the next governance update include to establish credible closeout?
- Discard the pre-change evidence contract SLA, verification scans and reopen events so that only the improved numbers for verified closeout against service-level obligations remain
- Report retested contract SLA, verification scans and reopen events, the outcome against verified closeout against service-level obligations, remaining exceptions, and owner confirmation
- Use the number of remediation meetings at Insurance customer platform instead of observed change in verified closeout against service-level obligations as closeout proof
- Close vendor remediation SLA breached for exposed customer API based solely on a self-reported completion email from supplier assurance lead with no verification
Explanation
Correct Answer
B:Contract SLA, verification scans and reopen events provides source-linked closure proof. Showing verified closeout against service-level obligations and residual exceptions verifies whether supplier assurance lead actually reduced contract commitments and customer-data exposure both matter rather than merely marking a ticket closed.
Incorrect Answers
A:Without historical verified closeout against service-level obligations inputs, leaders cannot validate the claimed improvement or identify recurrence.
C:Meetings do not confirm that vendor remediation SLA breached for exposed customer API was corrected or that remaining contract commitments and customer-data exposure both matter is acceptable.
D:Self-declared completion does not demonstrate improved verified closeout against service-level obligations against documented contract SLA, verification scans and reopen events.
Question 145
At Electric utility, analysts monitor vendor remote-access gateway. They observe that many Kerberos preauthentication failures across several operator identities come from one jump host. Evidence: domain controller event 4771 failures span 24 users followed by one 4768 success. Which interpretation is the best initial security assessment, before attribution or final confirmation?
- Treat legitimate user mistakes usually affect one account and a known interactive workstation as conclusive authorization for the current event without matching process or identity
- Downgrade many Kerberos preauthentication failures across several operator identities come from one jump host solely because the same symptom has not yet appeared on another endpoint
- Announce that domain controller event 4771 failures span 24 users followed by one 4768 success conclusively proves theft of grid maintenance operations before reviewing any sessions or file access
- Treat the pattern as a hypothesis of password spraying against OT support identities and begin corroborating it with endpoint and network evidence
Explanation
Correct Answer
D:The combination of many Kerberos preauthentication failures across several operator identities come from one jump host and domain controller event 4771 failures span 24 users followed by one 4768 success is suspicious for password spraying against OT support identities. This supports a focused investigation, but the observed indicators alone do not prove final attribution or data loss affecting grid maintenance operations.
Incorrect Answers
A:The legitimate comparator is legitimate user mistakes usually affect one account and a known interactive workstation; it does not establish that the current event came from the same approved identity or workflow.
B:An intrusion can begin on one asset. The specific indicator on vendor remote-access gateway warrants its own validation before expanding or closing the investigation.
C:domain controller event 4771 failures span 24 users followed by one 4768 success is an indicator rather than a measured inventory of transferred sensitive records. Confirmation requires corroboration and scope assessment.
Question 146
At Electric utility, analysts monitor vendor remote-access gateway. They observe that many Kerberos preauthentication failures across several operator identities come from one jump host. Evidence: domain controller event 4771 failures span 24 users followed by one 4768 success. A separate known-good explanation is: legitimate user mistakes usually affect one account and a known interactive workstation. Which next analysis most reliably determines what caused the observed event?
- Summarize domain controller event 4771 failures span 24 users followed by one 4768 success into a ticket and discard underlying event identifiers before correlation
- Perform a scoped investigation: correlate source host, failure frequency, successful ticket issuance and privileged access
- Accept a public reputation score for the destination as proof of the origin of domain controller event 4771 failures span 24 users followed by one 4768 success, without using correlate source host, failure frequency, successful ticket issuance and privileged access
- Suspend telemetry collection on vendor remote-access gateway while waiting for the connection pattern to stop
Explanation
Correct Answer
B:Correlate source host, failure frequency, successful ticket issuance and privileged access ties the evidence on vendor remote-access gateway to accountable processes, sessions or connections. It can distinguish the suspicious observation from the approved baseline: legitimate user mistakes usually affect one account and a known interactive workstation.
Incorrect Answers
A:The original domain controller event 4771 failures span 24 users followed by one 4768 success must remain available to verify timestamps, fields, source identity and the analyst’s interpretation.
C:A reputation score may inform triage but cannot establish the origin of domain controller event 4771 failures span 24 users followed by one 4768 success or whether the activity matches legitimate user mistakes usually affect one account and a known interactive workstation.
D:Suppressing telemetry destroys the source needed to investigate password spraying against OT support identities and may conceal further actions.
Question 147
Electric utility has a candidate alert for vendor remote-access gateway: domain controller event 4771 failures span 24 users followed by one 4768 success. The team argues it is harmless because legitimate user mistakes usually affect one account and a known interactive workstation. What is the most defensible false-positive assessment?
- Distinguish domain controller event 4771 failures span 24 users followed by one 4768 success from the approved behavior (legitimate user mistakes usually affect one account and a known interactive workstation) by validating process, identity and time attribution
- Interpret an absence of existing vendor signatures as proof that many Kerberos preauthentication failures across several operator identities come from one jump host is benign
- Create a blanket suppression for domain controller event 4771 failures span 24 users followed by one 4768 success because legitimate user mistakes usually affect one account and a known interactive workstation can produce a superficially similar event
- Automatically treat every event resembling domain controller event 4771 failures span 24 users followed by one 4768 success as confirmed compromise of vendor remote-access gateway, without checking provenance
Explanation
Correct Answer
A:Legitimate user mistakes usually affect one account and a known interactive workstation is a plausible alternative, but it must be proven to match the actual source of domain controller event 4771 failures span 24 users followed by one 4768 success. Independent attribution prevents both false suppression and unjustified incident declaration.
Incorrect Answers
B:Absence of a signature does not refute the concrete behavior: many Kerberos preauthentication failures across several operator identities come from one jump host.
C:Similarity to legitimate user mistakes usually affect one account and a known interactive workstation does not exclude an attacker from producing the same surface event on vendor remote-access gateway.
D:An approved workflow could account for similar activity; correlation is needed before broad response to avoid disrupting grid maintenance operations.
Question 148
At Electric utility, analysts monitor vendor remote-access gateway. They observe that many Kerberos preauthentication failures across several operator identities come from one jump host. Evidence: domain controller event 4771 failures span 24 users followed by one 4768 success. The team confirms unauthorized behavior and must protect grid maintenance operations; legitimate service continuity remains necessary. Which containment decision is best?
- Disable every production service at Electric utility without measuring whether its dependencies share the observed malicious path
- Erase domain controller event 4771 failures span 24 users followed by one 4768 success from the evidence archive during the containment change to reduce repeated alerts
- Leave the confirmed unauthorized activity on vendor remote-access gateway unrestricted until actual losses of grid maintenance operations can be measured
- Apply targeted containment: pause the suspicious jump-host access while preserving staffed control-room authentication
Explanation
Correct Answer
D:Pause the suspicious jump-host access while preserving staffed control-room authentication constrains the observed threat while maintaining necessary service for grid maintenance operations. The response follows the confirmed path rather than making an unsupported blanket shutdown.
Incorrect Answers
A:Global shutdown could disrupt grid maintenance operations without evidence that every system has been affected; scoped isolation is more proportionate.
B:Eliminating domain controller event 4771 failures span 24 users followed by one 4768 success evidence does not contain password spraying against OT support identities and impairs forensic reconstruction.
C:Once unauthorized behavior is confirmed on vendor remote-access gateway, delaying containment could expand the exposure affecting grid maintenance operations.
Question 149
At Electric utility, analysts have investigated an initial alert involving vendor remote-access gateway and need to scope related activity. Original event: domain controller event 4771 failures span 24 users followed by one 4768 success. Which threat-hunt pivot is best grounded in this observation?
- Use the previous month’s overall alert closure count instead of pivoting on domain controller event 4771 failures span 24 users followed by one 4768 success across related identities and systems
- Mark every host adjacent to vendor remote-access gateway compromised by assumption without comparing activity-linked observables
- Pivot across the environment: hunt failures from that jump host and new service-ticket requests afterward
- Stop scoping once the initial vendor remote-access gateway has been contained, even though hunt failures from that jump host and new service-ticket requests afterward has not been attempted
Explanation
Correct Answer
C:Hunt failures from that jump host and new service-ticket requests afterward extends the investigation from the specific clue, domain controller event 4771 failures span 24 users followed by one 4768 success, to related activity while preserving host and user attribution. This estimates the scope of potential password spraying against OT support identities.
Incorrect Answers
A:Historical alert volume does not trace the shared indicator or determine whether password spraying against OT support identities spread beyond vendor remote-access gateway.
B:Proximity to vendor remote-access gateway is not proof of exposure; use the activity-linked pivot to identify actual relationships.
D:The initiating host may not be the only affected one; scoping requires examining the connected evidence domain controller event 4771 failures span 24 users followed by one 4768 success.
Question 150
Electric utility has investigated password spraying against OT support identities on vendor remote-access gateway. Detection operators report that legitimate user mistakes usually affect one account and a known interactive workstation; simple alerts on a single indicator either overfire or miss related suspicious activity. What rule improvement is most useful?
- Assign critical severity to every routine activity on vendor remote-access gateway whether or not it matches alert on many distinct principals failing from one client rather than simple per-account lockout
- Automate service shutdown on the first simple match to many Kerberos preauthentication failures across several operator identities come from one jump host, without validation or guardrails for grid maintenance operations
- Suppress every future event associated with domain controller event 4771 failures span 24 users followed by one 4768 success, including events outside legitimate user mistakes usually affect one account and a known interactive workstation
- Improve detection by requiring context-aware correlation: alert on many distinct principals failing from one client rather than simple per-account lockout
Explanation
Correct Answer
D:Alert on many distinct principals failing from one client rather than simple per-account lockout retains the specific threat signal while discriminating against legitimate user mistakes usually affect one account and a known interactive workstation. A correlation is more actionable than a blind match on one common technique.
Incorrect Answers
A:Alert severity without distinguishing legitimate user mistakes usually affect one account and a known interactive workstation from malicious conditions would increase noise and operational workload.
B:An untested, unqualified automation could interrupt grid maintenance operations and cannot distinguish the benign workflow from attacker behavior.
C:Suppressing all monitoring would also hide a recurrence of password spraying against OT support identities, even where it threatens grid maintenance operations.
