Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) 200-201 Practice Test 39
Question 380
After the network protocol analyst at the multi-tenant hosting provider applies this approved action — Classify the archive as protected intellectual property and use authorized restricted evidence storage. — the original issue is revisited: A source repository archive is attached to an unrestricted incident ticket for convenience although it contains unpublished proprietary algorithms. Which measured result is the strongest evidence that this specific control or investigation objective has been met?
- The profile differentiates the anomalous session from the expected short-lived service calls.
- The persistence entry is identified and no longer relaunches after a controlled logon.
- The approved investigator can retrieve the file while unrelated ticket readers cannot.
- The risk entry states remaining likelihood and impact with the designated owner accepting or treating it.
Explanation
Correct Answer
C:This outcome is the direct verification of the approved action: Classify the archive as protected intellectual property and use authorized restricted evidence storage. It proves the corrective or detection objective through observed evidence, not simply because a rule was saved or an alarm was acknowledged.
Incorrect Answers
A:This observation validates another session duration outlier issue and the corrective action Profile connection duration and timing by application identity and investigate long-lived deviations. It cannot confirm the multi-tenant hosting provider control. Required evidence for the current investigation is: The approved investigator can retrieve the file while unrelated ticket readers cannot.
B:This observation validates another windows registry persistence issue and the corrective action Inspect authorized registry run locations and startup artifacts, preserving evidence before removing unauthorized entries. It cannot confirm the multi-tenant hosting provider control. Required evidence for the current investigation is: The approved investigator can retrieve the file while unrelated ticket readers cannot.
D:This observation validates another residual risk acceptance issue and the corrective action Record the residual risk and obtain an authorized risk decision after verifying the compensating internal controls. It cannot confirm the multi-tenant hosting provider control. Required evidence for the current investigation is: The approved investigator can retrieve the file while unrelated ticket readers cannot.
Question 381
The multi-tenant hosting provider detects an exception during postincident evidence review; its vulnerability management analyst confirms: Analysts attempt to extract an HTTP response body from NetFlow summaries that contain only addresses, ports, byte counts and timings. Separate collector limitations from a real application or network failure before deciding. A documented service owner has requested that the solution preserve active approved sessions throughout verification. Which targeted defensive analysis or remediation action most directly addresses the stated failure while honoring the constraints?
- Map the event to the secure web proxy logs and correlate it with user authentication and request ID.
- Remove unauthorized persistence and validate clean recovery media before rejoining the endpoint to the approved network.
- Choose a permissioned full-packet capture if application payload reconstruction is required.
- Normalize source timestamps to a common reference while retaining original timezone and clock-skew context.
Explanation
Correct Answer
C:This action addresses the packet versus flow fields issue in the multi-tenant hosting provider, matching the observed mechanism rather than a different threat or tool. The acceptance test must demonstrate: The decision states why flow data cannot supply the requested bytes and captures only the approved sample. The relevant least-privilege and evidence-custody boundaries remain enforced.
Incorrect Answers
A:That action belongs to a different proxy request origin issue, such as: The evidence includes URL category, authenticated user, requested host and explicit proxy policy disposition rather than a packet payload. It does not address the specific failure reported by the multi-tenant hosting provider. The decisive acceptance condition for this case is: The decision states why flow data cannot supply the requested bytes and captures only the approved sample.
B:That action belongs to a different eradication before recovery issue, such as: A quarantined endpoint is restored from backup while a persistent malicious scheduled task remains on the same image. It does not address the specific failure reported by the multi-tenant hosting provider. The decisive acceptance condition for this case is: The decision states why flow data cannot supply the requested bytes and captures only the approved sample.
D:That action belongs to a different log timestamp normalization issue, such as: Windows endpoint events and Linux proxy logs use different timezone offsets, making a benign preceding action appear to follow an exploit. It does not address the specific failure reported by the multi-tenant hosting provider. The decisive acceptance condition for this case is: The decision states why flow data cannot supply the requested bytes and captures only the approved sample.
Question 382
During preproduction security acceptance, the SaaS document synchronization tenant reports this evidence to a host incident responder: A detector flags a known malicious payload string accurately but does not alert on a novel execution technique with different bytes. The reviewer must distinguish the observable weakness from actor identity and unsupported assumptions. Two log sources use different time representations; the reviewer must preserve provenance when correlating them. Which targeted defensive analysis or remediation action most directly addresses the stated failure while honoring the constraints?
- Evaluate the required resource, subject, device and environmental attributes within the authorization policy.
- Issue and install a certificate whose subject alternative names cover the intended service hostname.
- Treat identified clinical information as protected health data and route it to compliant restricted processing.
- Combine maintained signatures with behavioral monitoring and document which threat classes each method covers.
Explanation
Correct Answer
D:This action addresses the signature detection tradeoff issue in the SaaS document synchronization tenant, matching the observed mechanism rather than a different threat or tool. The acceptance test must demonstrate: The known sample triggers a signature event and a safe novel-behavior simulation triggers separate behavior logic. The relevant least-privilege and evidence-custody boundaries remain enforced.
Incorrect Answers
A:That action belongs to a different attribute-based access issue, such as: A contractor may access a case only if device compliance, employment status and case sensitivity meet policy, but static roles ignore these factors. It does not address the specific failure reported by the SaaS document synchronization tenant. The decisive acceptance condition for this case is: The known sample triggers a signature event and a safe novel-behavior simulation triggers separate behavior logic.
B:That action belongs to a different x.509 subject names issue, such as: A valid CA-signed certificate is deployed for one hostname, but users connect through a different DNS alias absent from its SAN. It does not address the specific failure reported by the SaaS document synchronization tenant. The decisive acceptance condition for this case is: The known sample triggers a signature event and a safe novel-behavior simulation triggers separate behavior logic.
C:That action belongs to a different protected health data issue, such as: A medical service sends patient treatment identifiers and visit notes through an unapproved shared logging pipeline. It does not address the specific failure reported by the SaaS document synchronization tenant. The decisive acceptance condition for this case is: The known sample triggers a signature event and a safe novel-behavior simulation triggers separate behavior logic.
Question 383
After the SOC investigation lead at the travel reservation application applies this approved action — Parse the scheme, authority, registrable domain, path and parameters before assessing link trust. — the original issue is revisited: A phishing link uses a trusted brand word inside a long path but the registrable domain belongs to an unknown site. Which measured result is the strongest evidence that this specific control or investigation objective has been met?
- The exact modifying process and effective identity are identified from attributable audit events.
- The analysis correctly identifies the true destination domain despite the brand word in the URL path.
- The incident is correlated once and only the approved playbook revokes a test token with a recorded decision.
- The reconstruction identifies the process initiating the API calls with supporting host evidence.
Explanation
Correct Answer
B:This outcome is the direct verification of the approved action: Parse the scheme, authority, registrable domain, path and parameters before assessing link trust. It proves the corrective or detection objective through observed evidence, not simply because a rule was saved or an alarm was acknowledged. The relevant condition in this case is: After the SOC investigation lead at the travel reservation application applies this approved action — Parse the scheme, authority, registrable domain, path and parameters before assessing link trust. — the original issue is revisited: A phishing link uses a trusted….
Incorrect Answers
A:This observation validates another linux audit process escalation issue and the corrective action Use auditd or equivalent authorized privileged operation records to link file write, effective user and executable. It cannot confirm the travel reservation application control. Required evidence for the current investigation is: The analysis correctly identifies the true destination domain despite the brand word in the URL path.
C:This observation validates another siem versus soar responsibilities issue and the corrective action Correlate and normalize events in the SIEM, then invoke an approved auditable SOAR playbook for the authorized containment step. It cannot confirm the travel reservation application control. Required evidence for the current investigation is: The analysis correctly identifies the true destination domain despite the brand word in the URL path.
D:This observation validates another system api call interpretation issue and the corrective action Correlate host process API telemetry to the originating executable and identity while keeping network records separate. It cannot confirm the travel reservation application control. Required evidence for the current investigation is: The analysis correctly identifies the true destination domain despite the brand word in the URL path.
Question 384
An incident at the customer care web portal is escalated to a cloud audit engineer after incident-response triage reveals: An analyst treats an MD5 match as absolute proof of file authenticity for a high-assurance chain-of-custody requirement. Keep endpoint security enforcement active while collecting a reversible test observation. A peer reviewer requires the final verdict to cite a direct observation rather than a vendor product label. Which targeted defensive analysis or remediation action most directly addresses the stated failure while honoring the constraints?
- Review kernel crash or driver evidence separately from user-mode application events before assigning root cause.
- Prioritize by exploit evidence, criticality, internet exposure and tested deployment/rollback dependencies.
- Review task registration, executable path, owner and run history against approved task inventory.
- Use a collision-resistant digest appropriate to the integrity requirement and document the algorithm and handling procedures.
Explanation
Correct Answer
D:This action addresses the endpoint hash collision assumption issue in the customer care web portal, matching the observed mechanism rather than a different threat or tool. The acceptance test must demonstrate: The evidence manifest records approved cryptographic hashes and validates the same content after transfer. The relevant least-privilege and evidence-custody boundaries remain enforced.
Incorrect Answers
A:That action belongs to a different os kernel and user mode issue, such as: An analyst attributes a kernel driver crash to a browser tab only because the browser was foreground when the host failed. It does not address the specific failure reported by the customer care web portal. The decisive acceptance condition for this case is: The evidence manifest records approved cryptographic hashes and validates the same content after transfer.
B:That action belongs to a different patch management priorities issue, such as: A critical internet-facing service has an available security patch, but a maintenance spreadsheet lists updates by oldest ticket date only. It does not address the specific failure reported by the customer care web portal. The decisive acceptance condition for this case is: The evidence manifest records approved cryptographic hashes and validates the same content after transfer.
C:That action belongs to a different scheduled task profile issue, such as: An endpoint runs an unknown scheduled task nightly and the team attributes its network uploads to ordinary user browser activity. It does not address the specific failure reported by the customer care web portal. The decisive acceptance condition for this case is: The evidence manifest records approved cryptographic hashes and validates the same content after transfer.
Question 385
After the vulnerability management analyst at the industrial safety monitoring enclave applies this approved action — Reconcile stable asset identity, service owner, network address history and configuration records before containment. — the original issue is revisited: A suspected compromised server cannot be assigned an owner because its address was reused and the CMDB lacks its serial and deployment context. Which measured result is the strongest evidence that this specific control or investigation objective has been met?
- A controlled reboot shows no malicious startup artifacts and the endpoint satisfies integrity checks.
- The incident maps the suspicious flow to the correct accountable device and owner.
- A compliant TLS client connects while an obsolete-version-only test handshake is rejected.
- A safe distributed-load simulation is mitigated without denying representative ordinary clients.
Explanation
Correct Answer
B:This outcome is the direct verification of the approved action: Reconcile stable asset identity, service owner, network address history and configuration records before containment. It proves the corrective or detection objective through observed evidence, not simply because a rule was saved or an alarm was acknowledged. The relevant condition in this case is: After the vulnerability management analyst at the industrial safety monitoring enclave applies this approved action — Reconcile stable asset identity, service owner, network address history and configuration records before containment. — the original issue is….
Incorrect Answers
A:This observation validates another eradication before recovery issue and the corrective action Remove unauthorized persistence and validate clean recovery media before rejoining the endpoint to the approved network. It cannot confirm the industrial safety monitoring enclave control. Required evidence for the current investigation is: The incident maps the suspicious flow to the correct accountable device and owner.
C:This observation validates another tls version negotiation issue and the corrective action Enforce the supported minimum TLS protocol version with a deliberate compatibility and rollback test. It cannot confirm the industrial safety monitoring enclave control. Required evidence for the current investigation is: The incident maps the suspicious flow to the correct accountable device and owner.
D:This observation validates another distributed request flood issue and the corrective action Use upstream rate-limiting and DDoS analysis appropriate to distributed sources rather than a single-source-only block. It cannot confirm the industrial safety monitoring enclave control. Required evidence for the current investigation is: The incident maps the suspicious flow to the correct accountable device and owner.
Question 386
A threat intelligence analyst at the financial services API investigates during weekly threat-hunting exercise: An endpoint spawns a script that rapidly renames hundreds of files and contacts an unfamiliar management domain. Keep packet collection within the approved scope and do not assume encrypted payloads are readable. The response must be scoped to the relevant identity, host and application, not a shared public address alone. Which targeted defensive analysis or remediation action most directly addresses the stated failure while honoring the constraints?
- Isolate the affected host under the response playbook and correlate file changes with process and network events.
- Validate enrollment destination through managed device workflows and treat the unsolicited code as an untrusted link.
- Interpret HTTP method, path and 401 status independently of network reachability.
- Deploy an approved endpoint detection agent capable of recording process lineage and command-line executions.
Explanation
Correct Answer
A:This action addresses the ransomware behavioral signal issue in the financial services API, matching the observed mechanism rather than a different threat or tool. The acceptance test must demonstrate: A controlled benign encryption simulator triggers containment while unaffected hosts stay online. The relevant least-privilege and evidence-custody boundaries remain enforced.
Incorrect Answers
B:That action belongs to a different qr-code lure issue, such as: A printed QR code outside a secure office sends staff to a fake device enrollment page while the domain differs from the company portal. It does not address the specific failure reported by the financial services API. The decisive acceptance condition for this case is: A controlled benign encryption simulator triggers containment while unaffected hosts stay online.
C:That action belongs to a different http method and status issue, such as: An application log records POST /login returning 401, but the team treats it as evidence the user was authenticated because the server answered. It does not address the specific failure reported by the financial services API. The decisive acceptance condition for this case is: A controlled benign encryption simulator triggers containment while unaffected hosts stay online.
D:That action belongs to a different host edr placement issue, such as: A workstation executes suspicious PowerShell scripts but perimeter firewall events do not show the local process ancestry. It does not address the specific failure reported by the financial services API. The decisive acceptance condition for this case is: A controlled benign encryption simulator triggers containment while unaffected hosts stay online.
Question 387
After the identity monitoring analyst at the merchant checkout web service applies this approved action — Use parameterized statements and server-side input validation instead of building SQL command strings from request data. — the original issue is revisited: A web query concatenates untrusted search text into SQL, and logs show a benign test payload changing the intended predicate. Which measured result is the strongest evidence that this specific control or investigation objective has been met?
- The inventory includes the reachable staging service and its owner without inventing a confirmed vulnerability.
- The copied image hash matches its original reference digest after transfer.
- The test input is treated as a bound value and no longer changes query logic.
- Only the implicated internal client is identified and other clients sharing the translated address remain unaffected.
Explanation
Correct Answer
C:This outcome is the direct verification of the approved action: Use parameterized statements and server-side input validation instead of building SQL command strings from request data. It proves the corrective or detection objective through observed evidence, not simply because a rule was saved or an alarm was acknowledged. The relevant condition in this case is: After the identity monitoring analyst at the merchant checkout web service applies this approved action — Use parameterized statements and server-side input validation instead of building SQL command strings from request data. — the original issue is revisited: A web….
Incorrect Answers
A:This observation validates another public attack surface inventory issue and the corrective action Inventory exposed addresses, services and identities as attack surfaces separately from assessed vulnerabilities. It cannot confirm the merchant checkout web service control. Required evidence for the current investigation is: The test input is treated as a bound value and no longer changes query logic.
B:This observation validates another evidence integrity hashing issue and the corrective action Compute and record approved cryptographic digests for the source and each evidence copy with handling metadata. It cannot confirm the merchant checkout web service control. Required evidence for the current investigation is: The test input is treated as a bound value and no longer changes query logic.
D:This observation validates another nat translation context issue and the corrective action Correlate the flow tuple and timestamp with NAT translation tables to identify the originating private host. It cannot confirm the merchant checkout web service control. Required evidence for the current investigation is: The test input is treated as a bound value and no longer changes query logic.
Question 388
After the incident commander at the municipal cyber defense office applies this approved action — Reconcile sandbox execution timestamps, DNS lookups and network captures before ordering the observed behaviors. — the original issue is revisited: A detonation report shows an executable making TLS connections to an unfamiliar domain after launch but the analyst claims the domain was contacted before execution. Which measured result is the strongest evidence that this specific control or investigation objective has been met?
- The request sequence and resulting statuses are reconstructable from the retained application logs.
- A compliant permitted scenario succeeds and the same role on a noncompliant device is denied.
- The report shows a time-ordered process and network timeline without unobserved steps.
- Each tenant decrypts only its own archive and key custody is auditable.
Explanation
Correct Answer
C:This outcome is the direct verification of the approved action: Reconcile sandbox execution timestamps, DNS lookups and network captures before ordering the observed behaviors. It proves the corrective or detection objective through observed evidence, not simply because a rule was saved or an alarm was acknowledged.
Incorrect Answers
A:This observation validates another web server access logs issue and the corrective action Correlate web access URI, method, response status, user agent and source metadata in a bounded incident window. It cannot confirm the municipal cyber defense office control. Required evidence for the current investigation is: The report shows a time-ordered process and network timeline without unobserved steps.
B:This observation validates another attribute-based access issue and the corrective action Evaluate the required resource, subject, device and environmental attributes within the authorization policy. It cannot confirm the municipal cyber defense office control. Required evidence for the current investigation is: The report shows a time-ordered process and network timeline without unobserved steps.
D:This observation validates another symmetric encryption key separation issue and the corrective action Use independently managed symmetric content keys with approved asymmetric wrapping or secure key distribution where required. It cannot confirm the municipal cyber defense office control. Required evidence for the current investigation is: The report shows a time-ordered process and network timeline without unobserved steps.
Question 389
During scheduled SOC detection audit, the container runtime security platform reports this evidence to a host incident responder: A response checklist archives printed config diagrams first and delays capture of transient network connections until the host restarts. Protect regulated information and retain a tested service recovery path. The SOC will compare pre- and postchange event fields under the same source, sensor and collection permissions. Which targeted defensive analysis or remediation action most directly addresses the stated failure while honoring the constraints?
- Rank collection by volatility and business/legal constraints, including memory and live connections before persistent files where safe.
- Compare current listening and observed network ports to the approved server port baseline and validate the owner.
- Validate bounds handling and deploy a tested supported patch for the affected parser, retaining crash evidence.
- Isolate the affected host under the response playbook and correlate file changes with process and network events.
Explanation
Correct Answer
A:This action addresses the order of volatility rationale issue in the container runtime security platform, matching the observed mechanism rather than a different threat or tool. The acceptance test must demonstrate: The resulting timeline preserves disappearing connection evidence along with later disk artifacts. The relevant least-privilege and evidence-custody boundaries remain enforced.
Incorrect Answers
B:That action belongs to a different port exposure profile issue, such as: A monitored database server unexpectedly starts listening on a new remote access port after an unapproved package installation. It does not address the specific failure reported by the container runtime security platform. The decisive acceptance condition for this case is: The resulting timeline preserves disappearing connection evidence along with later disk artifacts.
C:That action belongs to a different buffer overrun symptoms issue, such as: A legacy listener crashes when a malformed-length test field is received, with memory fault telemetry and an application dump. It does not address the specific failure reported by the container runtime security platform. The decisive acceptance condition for this case is: The resulting timeline preserves disappearing connection evidence along with later disk artifacts.
D:That action belongs to a different ransomware behavioral signal issue, such as: An endpoint spawns a script that rapidly renames hundreds of files and contacts an unfamiliar management domain. It does not address the specific failure reported by the container runtime security platform. The decisive acceptance condition for this case is: The resulting timeline preserves disappearing connection evidence along with later disk artifacts.
Question 390
After the SOC automation specialist at the telecom customer identity platform applies this approved action — Maintain separately restricted immutable or offline recovery copies in addition to endpoint and network anti-malware defenses. — the original issue is revisited: A ransomware recovery design stores its only backup under the same administrator account and mutable production network share. Which measured result is the strongest evidence that this specific control or investigation objective has been met?
- A simulated compromised production admin cannot alter the recovery copy and a test restore succeeds.
- A signed-in read-only identity cannot perform the administrative action and its attempt is recorded.
- Inline policy drops the test flow while passive sensor only records it and cannot disrupt the connection.
- The exposed service is patched in the approved urgent window without compromising the unaffected application tier.
Explanation
Correct Answer
A:This outcome is the direct verification of the approved action: Maintain separately restricted immutable or offline recovery copies in addition to endpoint and network anti-malware defenses. It proves the corrective or detection objective through observed evidence, not simply because a rule was saved or an alarm was acknowledged.
Incorrect Answers
B:This observation validates another authentication authorization accounting issue and the corrective action Separate identity verification from privilege evaluation and retain tamper-resistant user action audit events. It cannot confirm the telecom customer identity platform control. Required evidence for the current investigation is: A simulated compromised production admin cannot alter the recovery copy and a test restore succeeds.
C:This observation validates another application ips placement issue and the corrective action Distinguish enforcement-capable inline IPS placement from passive out-of-band IDS monitoring. It cannot confirm the telecom customer identity platform control. Required evidence for the current investigation is: A simulated compromised production admin cannot alter the recovery copy and a test restore succeeds.
D:This observation validates another patch management priorities issue and the corrective action Prioritize by exploit evidence, criticality, internet exposure and tested deployment/rollback dependencies. It cannot confirm the telecom customer identity platform control. Required evidence for the current investigation is: A simulated compromised production admin cannot alter the recovery copy and a test restore succeeds.