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Cisco 350-701 Practice Test 89

Question 880

An analyst receives only critical events although a failed AAA attempt was logged at a lower severity. Which observed result BEST confirms that the security requirement is met?

  1. An unusual high-volume conversation is identified with attributable endpoints without claiming NetFlow reveals complete application content.
  2. Unapproved categories or applications are denied while required business services match the intended allow criteria.
  3. Firewall and switch events share consistent time ordering and protected transport to the authorized log collector.
  4. Spoofed gateway ARP frames are rejected while authorized static-IP hosts continue normal access with explicit bindings.

Explanation

Correct Answer

C:

Firewall and switch events share consistent time ordering and protected transport to the authorized log collector. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. Central logging loses forensic value when clocks disagree or records are dropped; authenticated time and secure logging improve evidence quality. Situation: An analyst receives only critical events although a failed AAA attempt was logged at a lower severity.

Incorrect Answers

A:

An unusual high-volume conversation is identified with attributable endpoints without claiming NetFlow reveals complete application content. This outcome tests NetFlow and telemetry flow analysis and is not sufficient proof of the stated requirement. Here the relevant validation is: Firewall and switch events share consistent time ordering and protected transport to the authorized log collector. Situation: An analyst receives only critical events although a failed AAA attempt was logged at a lower severity.

B:

Unapproved categories or applications are denied while required business services match the intended allow criteria. This outcome tests Application visibility control and URL filtering and is not sufficient proof of the stated requirement. Here the relevant validation is: Firewall and switch events share consistent time ordering and protected transport to the authorized log collector. Situation: An analyst receives only critical events although a failed AAA attempt was logged at a lower severity.

D:

Spoofed gateway ARP frames are rejected while authorized static-IP hosts continue normal access with explicit bindings. This outcome tests Dynamic ARP inspection and spoofed gateway and is not sufficient proof of the stated requirement. Here the relevant validation is: Firewall and switch events share consistent time ordering and protected transport to the authorized log collector. Situation: An analyst receives only critical events although a failed AAA attempt was logged at a lower severity.

Question 881

A router automation app can read device state but unexpectedly receives permission to change every interface. Which Cisco security control or operational response BEST addresses the stated need?

  1. Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging.
  2. Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications.
  3. Use SNMPv3 with authentication and privacy where appropriate and restrict agents to approved management sources and read views.
  4. Use TACACS+ to centralize device administrator identity and command authorization with accountable audit trails.

Explanation

Correct Answer

A:

Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. This control addresses the failure mechanism and narrows the enforcement boundary. Programmable interfaces are management planes with security obligations comparable to CLI access; enabling RESTCONF does not itself validate an automation request. Confirm pre-change conditions using: Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

Incorrect Answers

B:

Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications. This response applies to North south versus east west segmentation, not the controlling requirement in this case. Perimeter inspection focuses north-south traffic; internal segmentation contains east-west lateral movement when workloads share a network. For this scenario, the targeted action is: Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

C:

Use SNMPv3 with authentication and privacy where appropriate and restrict agents to approved management sources and read views. This response applies to SNMPv3 authenticated encrypted polling, not the controlling requirement in this case. SNMPv3 supports integrity and encryption for management queries when authPriv is configured; SNMPv1 community strings do not provide equivalent protection. For this scenario, the targeted action is: Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

D:

Use TACACS+ to centralize device administrator identity and command authorization with accountable audit trails. This response applies to TACACS+ administration authorization, not the controlling requirement in this case. TACACS+ commonly separates authentication, authorization, and accounting for network device administration; user authentication alone does not grant every command. For this scenario, the targeted action is: Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

Question 882

An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. An impostor email does not redirect supplier payments or change account settings without a separately validated authorization.
  2. Review API audit calls, token audience and lifetime, privilege scope, abnormal exports, and linked cloud-resource access.
  3. Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control.
  4. Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution.
  5. Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies.

Explanation

Correct Answers

C:

Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. This checks the relevant condition before an engineer modifies production access or detection behavior. Remote access VPN authenticates a user or device and creates protected transport; reachability still depends on routes, authorizations, and posture. The controlled response would be: Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution. This supplies the diagnostic evidence needed for the complementary action. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

D:

Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution. This control addresses the failure mechanism and narrows the enforcement boundary. Remote access VPN authenticates a user or device and creates protected transport; reachability still depends on routes, authorizations, and posture. Confirm pre-change conditions using: Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. This is the implementation portion of the complementary pair. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

Incorrect Answers

A:

An impostor email does not redirect supplier payments or change account settings without a separately validated authorization. This step could matter for Business email compromise verification but is not part of the required complementary pair for this case. The paired steps are: Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution. and Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

B:

Review API audit calls, token audience and lifetime, privilege scope, abnormal exports, and linked cloud-resource access. This step could matter for Cloud API breach and lateral movement but is not part of the required complementary pair for this case. The paired steps are: Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution. and Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

E:

Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. This step could matter for Route-based versus policy-based VPN design but is not part of the required complementary pair for this case. The paired steps are: Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution. and Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

Question 883

A user remains in a privileged VLAN after the Cisco ISE policy was changed and a CoA attempt times out. Which Cisco security control or operational response BEST addresses the stated need?

  1. Trace failed Cisco ISE CoA requests through dynamic authorization configuration, source identity, shared secret, session selection, and device support.
  2. Use RADIUS Change of Authorization to trigger reauthentication or update access on an active network session when identity or posture changes.
  3. Identify suspicious DNS-based data movement using query entropy, length, volume, domain ownership, and endpoint context before containment.
  4. Separate employee, guest, and personally owned device onboarding through Cisco ISE identity and authorization policies matched to legitimate use.

Explanation

Correct Answer

A:

Trace failed Cisco ISE CoA requests through dynamic authorization configuration, source identity, shared secret, session selection, and device support. This control addresses the failure mechanism and narrows the enforcement boundary. A policy rule update does not retroactively rewrite an existing session without a supported reauthorization mechanism and a successful CoA exchange. Confirm pre-change conditions using: Inspect CoA NAK or timeout records, UDP transport, session identifiers, network device shared secret, and switch logs. Situation: A user remains in a privileged VLAN after the Cisco ISE policy was changed and a CoA attempt times out.

Incorrect Answers

B:

Use RADIUS Change of Authorization to trigger reauthentication or update access on an active network session when identity or posture changes. This response applies to CoA session reauthorization by Cisco ISE, not the controlling requirement in this case. CoA allows an AAA policy server to request changes to an existing access session; it requires compatible network device settings and correct session matching. For this scenario, the targeted action is: Trace failed Cisco ISE CoA requests through dynamic authorization configuration, source identity, shared secret, session selection, and device support. Situation: A user remains in a privileged VLAN after the Cisco ISE policy was changed and a CoA attempt times out.

C:

Identify suspicious DNS-based data movement using query entropy, length, volume, domain ownership, and endpoint context before containment. This response applies to DNS tunneling exfiltration detection, not the controlling requirement in this case. DNS is a name-resolution protocol but can carry encoded data in labels or answers; unusual queries require contextual analysis to avoid false positives. For this scenario, the targeted action is: Trace failed Cisco ISE CoA requests through dynamic authorization configuration, source identity, shared secret, session selection, and device support. Situation: A user remains in a privileged VLAN after the Cisco ISE policy was changed and a CoA attempt times out.

D:

Separate employee, guest, and personally owned device onboarding through Cisco ISE identity and authorization policies matched to legitimate use. This response applies to Cisco ISE guest and BYOD identity policies, not the controlling requirement in this case. Guest access and BYOD onboarding are authorization workflows, not a grant of permanent trusted access merely because a device connects to Wi-Fi. For this scenario, the targeted action is: Trace failed Cisco ISE CoA requests through dynamic authorization configuration, source identity, shared secret, session selection, and device support. Situation: A user remains in a privileged VLAN after the Cisco ISE policy was changed and a CoA attempt times out.

Question 884

A router automation app can read device state but unexpectedly receives permission to change every interface. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect bidirectional security association counters, packet traces, NAT policy, route selection, and remote selectors.
  2. Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results.
  3. Inspect SNMP user groups, auth/priv settings, engine IDs, management ACLs, and failed polling logs.
  4. Inspect access-rule association, intrusion policy, detection events, file reputation, TLS visibility, and false-positive evidence.

Explanation

Correct Answer

B:

Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. This checks the relevant condition before an engineer modifies production access or detection behavior. Programmable interfaces are management planes with security obligations comparable to CLI access; enabling RESTCONF does not itself validate an automation request. The controlled response would be: Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

Incorrect Answers

A:

Inspect bidirectional security association counters, packet traces, NAT policy, route selection, and remote selectors. This evidence addresses FTD VPN up but no protected data; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

C:

Inspect SNMP user groups, auth/priv settings, engine IDs, management ACLs, and failed polling logs. This evidence addresses SNMPv3 authenticated encrypted polling; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

D:

Inspect access-rule association, intrusion policy, detection events, file reputation, TLS visibility, and false-positive evidence. This evidence addresses FTD intrusion policy and malware detection; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

Question 885

A cloud developer publishes a service token in a public repository and unexpected database exports appear overnight. Which observed result BEST confirms that the security requirement is met?

  1. Poisoned documents or swapped model dependencies fail integrity or access checks before affecting sensitive answers.
  2. A hostile document can be summarized without causing the assistant to reveal credentials or invoke unapproved tools.
  3. The response mitigates the documented attack mechanism without mistaking a network flood for a local infected binary.
  4. A stolen integration token cannot read unrelated records and anomalous access triggers containment and credential replacement.

Explanation

Correct Answer

D:

A stolen integration token cannot read unrelated records and anomalous access triggers containment and credential replacement. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. Encryption in transit protects a channel but does not limit an authorized-looking API request carrying a stolen bearer token. Situation: A cloud developer publishes a service token in a public repository and unexpected database exports appear overnight.

Incorrect Answers

A:

Poisoned documents or swapped model dependencies fail integrity or access checks before affecting sensitive answers. This outcome tests Embedding and model supply chain risk and is not sufficient proof of the stated requirement. Here the relevant validation is: A stolen integration token cannot read unrelated records and anomalous access triggers containment and credential replacement. Situation: A cloud developer publishes a service token in a public repository and unexpected database exports appear overnight.

B:

A hostile document can be summarized without causing the assistant to reveal credentials or invoke unapproved tools. This outcome tests Prompt injection trust boundary and is not sufficient proof of the stated requirement. Here the relevant validation is: A stolen integration token cannot read unrelated records and anomalous access triggers containment and credential replacement. Situation: A cloud developer publishes a service token in a public repository and unexpected database exports appear overnight.

C:

The response mitigates the documented attack mechanism without mistaking a network flood for a local infected binary. This outcome tests DDoS versus endpoint malware diagnosis and is not sufficient proof of the stated requirement. Here the relevant validation is: A stolen integration token cannot read unrelated records and anomalous access triggers containment and credential replacement. Situation: A cloud developer publishes a service token in a public repository and unexpected database exports appear overnight.

Question 886

A compromised web server scans database servers on the same flat subnet without traversing perimeter controls. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Intended application traffic matches a narrow allow rule and unauthorized flows are denied with traceable evidence.
  2. Inspect supported device inventory, tenant enrollment, API roles, internet management path, change evidence, and local fallback.
  3. Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules.
  4. Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications.
  5. Deploy stateful inspection at defined trust boundaries and enable intrusion inspection on traffic paths where attack detection and blocking are required.

Explanation

Correct Answers

C:

Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. This checks the relevant condition before an engineer modifies production access or detection behavior. Perimeter inspection focuses north-south traffic; internal segmentation contains east-west lateral movement when workloads share a network. The controlled response would be: Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications. This supplies the diagnostic evidence needed for the complementary action. Situation: A compromised web server scans database servers on the same flat subnet without traversing perimeter controls.

D:

Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications. This control addresses the failure mechanism and narrows the enforcement boundary. Perimeter inspection focuses north-south traffic; internal segmentation contains east-west lateral movement when workloads share a network. Confirm pre-change conditions using: Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. This is the implementation portion of the complementary pair. Situation: A compromised web server scans database servers on the same flat subnet without traversing perimeter controls.

Incorrect Answers

A:

Intended application traffic matches a narrow allow rule and unauthorized flows are denied with traceable evidence. This step could matter for FTD access control rule ordering but is not part of the required complementary pair for this case. The paired steps are: Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications. and Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. Situation: A compromised web server scans database servers on the same flat subnet without traversing perimeter controls.

B:

Inspect supported device inventory, tenant enrollment, API roles, internet management path, change evidence, and local fallback. This step could matter for Cisco Security Cloud Control management boundary but is not part of the required complementary pair for this case. The paired steps are: Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications. and Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. Situation: A compromised web server scans database servers on the same flat subnet without traversing perimeter controls.

E:

Deploy stateful inspection at defined trust boundaries and enable intrusion inspection on traffic paths where attack detection and blocking are required. This step could matter for Stateful firewall and IPS placement but is not part of the required complementary pair for this case. The paired steps are: Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications. and Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. Situation: A compromised web server scans database servers on the same flat subnet without traversing perimeter controls.

Question 887

A company blocks text containing a short number pattern and accidentally rejects thousands of normal invoices. Which Cisco security control or operational response BEST addresses the stated need?

  1. Create data loss prevention policies for defined sensitive patterns and approved destinations, with detection tuning and response actions.
  2. Publish approved private applications through Secure Private Access with least-privilege identity and device conditions rather than broad network tunnels.
  3. Apply AI service visibility and policy to protect sensitive inputs, approved destinations, and user identity when staff use external generative AI tools.
  4. Interpret Cisco Secure Access Investigate domain risk and sub-scores with threat context before deciding to block or allow domains.

Explanation

Correct Answer

A:

Create data loss prevention policies for defined sensitive patterns and approved destinations, with detection tuning and response actions. This control addresses the failure mechanism and narrows the enforcement boundary. DLP identifies and governs data movement but its coverage depends on content visibility, supported connectors, and correctly scoped classifiers. Confirm pre-change conditions using: Inspect data classifiers, exact-match or pattern quality, sanctioned SaaS domains, upload channel visibility, and allowed exceptions. Situation: A company blocks text containing a short number pattern and accidentally rejects thousands of normal invoices.

Incorrect Answers

B:

Publish approved private applications through Secure Private Access with least-privilege identity and device conditions rather than broad network tunnels. This response applies to Cisco Secure Access private app access, not the controlling requirement in this case. Zero-trust private access grants application-scoped connectivity; being authenticated to the cloud portal does not imply authorization to every private network. For this scenario, the targeted action is: Create data loss prevention policies for defined sensitive patterns and approved destinations, with detection tuning and response actions. Situation: A company blocks text containing a short number pattern and accidentally rejects thousands of normal invoices.

C:

Apply AI service visibility and policy to protect sensitive inputs, approved destinations, and user identity when staff use external generative AI tools. This response applies to AI application guardrails and shadow AI, not the controlling requirement in this case. A corporate AI policy requires enforceable data handling and approved services; blocking a few keywords does not alone control all exfiltration paths. For this scenario, the targeted action is: Create data loss prevention policies for defined sensitive patterns and approved destinations, with detection tuning and response actions. Situation: A company blocks text containing a short number pattern and accidentally rejects thousands of normal invoices.

D:

Interpret Cisco Secure Access Investigate domain risk and sub-scores with threat context before deciding to block or allow domains. This response applies to Investigate domain risk score interpretation, not the controlling requirement in this case. Cisco Secure Access Investigate risk scores combine indicators; a score is decision support and not a sole definitive compromise verdict. For this scenario, the targeted action is: Create data loss prevention policies for defined sensitive patterns and approved destinations, with detection tuning and response actions. Situation: A company blocks text containing a short number pattern and accidentally rejects thousands of normal invoices.

Question 888

A mail administrator configures ETD journaling but promises to reject all bad emails before they reach the inbox. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect disposition change, prevalence, isolation status, affected host roles, event sequence, and unresolved detections.
  2. Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions.
  3. Inspect original file hash, current cloud disposition, execution history, file trajectory, and response capability.
  4. Inspect sender authentication, impersonation indications, inbound/outbound message direction, detection verdict, and remediation authorization.

Explanation

Correct Answer

B:

Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions. This checks the relevant condition before an engineer modifies production access or detection behavior. Cisco ETD deployment options differ: a supplemental mailbox visibility path and a supported gateway path have different enforcement timing and platform prerequisites. The controlled response would be: Choose supported Email Threat Defense supplementary mailbox visibility or inline gateway enforcement according to platform and pre-delivery requirements. Situation: A mail administrator configures ETD journaling but promises to reject all bad emails before they reach the inbox.

Incorrect Answers

A:

Inspect disposition change, prevalence, isolation status, affected host roles, event sequence, and unresolved detections. This evidence addresses Endpoint malware event prioritization; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions. Situation: A mail administrator configures ETD journaling but promises to reject all bad emails before they reach the inbox.

C:

Inspect original file hash, current cloud disposition, execution history, file trajectory, and response capability. This evidence addresses Malware retrospective disposition response; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions. Situation: A mail administrator configures ETD journaling but promises to reject all bad emails before they reach the inbox.

D:

Inspect sender authentication, impersonation indications, inbound/outbound message direction, detection verdict, and remediation authorization. This evidence addresses Email Threat Defense anti impersonation controls; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions. Situation: A mail administrator configures ETD journaling but promises to reject all bad emails before they reach the inbox.

Question 889

A vendor invoice arrives from a near-match domain and requests immediate wire transfer to an unknown bank. Which observed result BEST confirms that the security requirement is met?

  1. Confirmed malicious indicators are shared and acted upon while expired or disputed indicators no longer cause unjustified blocking.
  2. Known malicious destinations are contained and exposed identities are investigated rather than relying only on awareness posters.
  3. An impostor email does not redirect supplier payments or change account settings without a separately validated authorization.
  4. A forged login page cannot grant privileged access using only a stolen password and abnormal sign-ins generate reviewable alerts.

Explanation

Correct Answer

C:

An impostor email does not redirect supplier payments or change account settings without a separately validated authorization. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. A convincing display name or reply chain does not prove a sender can authorize sensitive financial and access changes. Situation: A vendor invoice arrives from a near-match domain and requests immediate wire transfer to an unknown bank.

Incorrect Answers

A:

Confirmed malicious indicators are shared and acted upon while expired or disputed indicators no longer cause unjustified blocking. This outcome tests Threat intelligence indicator lifecycle and is not sufficient proof of the stated requirement. Here the relevant validation is: An impostor email does not redirect supplier payments or change account settings without a separately validated authorization. Situation: A vendor invoice arrives from a near-match domain and requests immediate wire transfer to an unknown bank.

B:

Known malicious destinations are contained and exposed identities are investigated rather than relying only on awareness posters. This outcome tests Phishing containment and domain verification and is not sufficient proof of the stated requirement. Here the relevant validation is: An impostor email does not redirect supplier payments or change account settings without a separately validated authorization. Situation: A vendor invoice arrives from a near-match domain and requests immediate wire transfer to an unknown bank.

D:

A forged login page cannot grant privileged access using only a stolen password and abnormal sign-ins generate reviewable alerts. This outcome tests Credential phishing and account takeover and is not sufficient proof of the stated requirement. Here the relevant validation is: An impostor email does not redirect supplier payments or change account settings without a separately validated authorization. Situation: A vendor invoice arrives from a near-match domain and requests immediate wire transfer to an unknown bank.

Question 890

A badge reader has no supplicant and requires carefully limited wired connectivity through Cisco ISE. Which Cisco security control or operational response BEST addresses the stated need?

  1. Separate employee, guest, and personally owned device onboarding through Cisco ISE identity and authorization policies matched to legitimate use.
  2. Configure network access device 802.1X to use Cisco ISE RADIUS decisions and verify supplicant, authenticator, and server roles.
  3. Use MAC Authentication Bypass only for supported non-802.1X devices with restricted roles and inventory-backed policy.
  4. Identify suspicious DNS-based data movement using query entropy, length, volume, domain ownership, and endpoint context before containment.

Explanation

Correct Answer

C:

Use MAC Authentication Bypass only for supported non-802.1X devices with restricted roles and inventory-backed policy. This control addresses the failure mechanism and narrows the enforcement boundary. MAB relies on spoofable MAC identity and should be treated as lower-assurance admission, not an equivalent replacement for EAP-TLS. Confirm pre-change conditions using: Inspect known endpoint MAC registrations, profiling data, switch authentication order, RADIUS policy, and allowed destination flows. Situation: A badge reader has no supplicant and requires carefully limited wired connectivity through Cisco ISE.

Incorrect Answers

A:

Separate employee, guest, and personally owned device onboarding through Cisco ISE identity and authorization policies matched to legitimate use. This response applies to Cisco ISE guest and BYOD identity policies, not the controlling requirement in this case. Guest access and BYOD onboarding are authorization workflows, not a grant of permanent trusted access merely because a device connects to Wi-Fi. For this scenario, the targeted action is: Use MAC Authentication Bypass only for supported non-802.1X devices with restricted roles and inventory-backed policy. Situation: A badge reader has no supplicant and requires carefully limited wired connectivity through Cisco ISE.

B:

Configure network access device 802.1X to use Cisco ISE RADIUS decisions and verify supplicant, authenticator, and server roles. This response applies to 802.1X port-based access with Cisco ISE, not the controlling requirement in this case. In 802.1X the endpoint supplicant communicates through an authenticator to a back-end authentication server; access policy follows AAA results. For this scenario, the targeted action is: Use MAC Authentication Bypass only for supported non-802.1X devices with restricted roles and inventory-backed policy. Situation: A badge reader has no supplicant and requires carefully limited wired connectivity through Cisco ISE.

D:

Identify suspicious DNS-based data movement using query entropy, length, volume, domain ownership, and endpoint context before containment. This response applies to DNS tunneling exfiltration detection, not the controlling requirement in this case. DNS is a name-resolution protocol but can carry encoded data in labels or answers; unusual queries require contextual analysis to avoid false positives. For this scenario, the targeted action is: Use MAC Authentication Bypass only for supported non-802.1X devices with restricted roles and inventory-backed policy. Situation: A badge reader has no supplicant and requires carefully limited wired connectivity through Cisco ISE.

Implementing and Operating Cisco Security Core Technologies (350-701) Practice Tests