[2025年12月]更新のCCCS-203bブレーン問題集でCCCS-203b問題で最高得点を目指すため今すぐ試そう
CCCS-203b試験問題集でベスト問題集を無料で試そうCCCS-203b試験問題
質問 # 45
After deploying the CrowdStrike Container Sensor on your Kubernetes cluster, you notice that it is only monitoring a subset of your containers.
Which of the following is the most likely cause of this issue?
- A. The CrowdStrike Falcon Console account does not have the appropriate role permissions to view all containers.
- B. Network policies within the Kubernetes cluster are blocking outbound traffic from the sensor.
- C. The CrowdStrike Container Sensor pod is not running on every node in the cluster.
- D. The containers were created using privileged mode.
正解：C
解説：
Option A: The CrowdStrike Container Sensor is designed to monitor both privileged and unprivileged containers. Privileged mode is not a factor that would prevent the sensor from monitoring containers.
Option B: For the CrowdStrike Container Sensor to monitor all containers, it must be deployed on every node in the Kubernetes cluster where containers are running. This ensures that the sensor can collect data from all workloads on those nodes. If the sensor pod is not deployed on certain nodes, containers on those nodes will not be monitored.
Option C: Network policies might prevent telemetry data from reaching the CrowdStrike Falcon Console, but this would result in missing data for all containers, not just a subset.
Option D: Permissions in the Falcon Console govern what data can be viewed, but they do not impact what the sensor itself monitors.
質問 # 46
A user successfully registers a cloud account into CrowdStrike Falcon but notices that certain resources are not visible in the dashboard.
What is the most likely cause of this issue?
- A. The user's CrowdStrike account does not have sufficient administrative privileges.
- B. The CrowdStrike integration only supports compute instances and does not track other resources.
- C. The CrowdStrike API key used during registration has expired.
- D. The cloud account lacks the appropriate read-only permissions for specific resource types.
正解：D
解説：
Option A: The inability to view certain resources is typically caused by missing permissions in the assigned IAM role or policy. For instance, the policy might lack permissions to query specific resource types, like storage or networking configurations. Verifying and updating the IAM policy would resolve this issue.
Option B: While an expired API key can cause connectivity issues, it would prevent all data from being visible, not just certain resources. This scenario points to a more specific permissions issue.
Option C: This is incorrect as CrowdStrike supports a wide range of cloud resources depending on the integration configuration. Limiting visibility to compute instances would suggest a configuration or permission issue, not a feature limitation.
Option D: This is incorrect because user privileges within the CrowdStrike Falcon interface do not impact the resources visible during a cloud account integration. The issue lies with the cloud account configuration.
質問 # 47
A company using CrowdStrike Falcon Cloud Security wants to enforce strict vulnerability scanning for container images but needs to exclude certain trusted base images used in internal applications to reduce false positives.
What is the best way to configure policy exclusions while maintaining strong security?
- A. Define allowlists for specific trusted base images to exempt them from enforcement but still scan them for visibility.
- B. Block all images that contain vulnerabilities, even if they come from an approved internal repository.
- C. Completely disable vulnerability scanning for all images to avoid unnecessary alerts.
- D. Exclude all container images from scanning that originate from private repositories.
正解：A
解説：
Option A: Disabling scanning entirely would remove critical security controls and increase risk of deploying vulnerable images.
Option B: A blanket block on all vulnerable images could disrupt internal operations, especially if some vulnerabilities do not impact security posture.
Option C: Excluding all images from private repositories is risky, as internal repositories can still contain vulnerabilities and require security checks.
Option D: Allowlisting specific, trusted base images ensures that known good images are not unnecessarily blocked while still being monitored for visibility. This approach balances security and operational efficiency.
質問 # 48
CrowdStrike Falcon Cloud Security provides integration with Kubernetes admission controllers to enhance security by enforcing policies on workloads.
What is the primary function of a Kubernetes admission controller in this security model?
- A. It replaces Kubernetes Role-Based Access Control (RBAC) to provide more granular permissions for cloud-native applications.
- B. It scans container images at runtime to detect threats and automatically stops malicious processes.
- C. It intercepts and evaluates requests to the Kubernetes API server before objects are persisted in etcd, enforcing security policies.
- D. It monitors outbound network traffic from pods to detect anomalies and prevent data exfiltration.
正解：C
解説：
Option A: Kubernetes admission controllers operate within the API request lifecycle and evaluate incoming requests before they are committed to etcd, the Kubernetes database. In Falcon Cloud Security, the admission controller enforces policies such as allowing only trusted container images, preventing the deployment of misconfigured workloads, and ensuring security compliance. This ensures that threats are mitigated before they are deployed, reducing the attack surface.
Option B: Network monitoring is a different function handled by network security tools such as Falcon Cloud Security's workload protection capabilities, which inspect outbound traffic.
Admission controllers, however, focus on evaluating and enforcing security policies during deployment.
Option C: Runtime security scanning is an essential security function but is separate from admission controllers. Runtime protection is handled by tools like Falcon Container Security, which continuously monitors running containers for threats. Admission controllers operate at the deployment phase rather than runtime.
Option D: Kubernetes RBAC controls access to resources, while admission controllers validate or mutate requests before resources are created. They do not replace RBAC but can complement it by enforcing additional security policies.
質問 # 49
Which of the following best practices should you follow when creating custom IOM rules in CrowdStrike Falcon to prevent accidental disruptions in operations?
- A. Disable logging for custom rules to reduce performance overhead.
- B. Apply the rule to all systems in the organization without exclusions.
- C. Test the rule in a Detection-only mode before enabling blocking.
- D. Use the "Regex" condition type to cover all possible indicators with a single rule.
正解：C
解説：
Option A: This is incorrect because while Regex can be powerful, overly broad patterns may result in false positives or system disruptions. It is better to create specific rules tailored to precise indicators.
Option B: This is incorrect because logging is crucial for monitoring the effectiveness of IOM rules and troubleshooting issues. Disabling logs would make it difficult to audit the rule's impact and effectiveness.
Option C: This is incorrect because applying a rule universally can lead to unintended consequences, especially if critical systems or services rely on the flagged entity. You should define exclusions for known benign use cases.
Option D: This is correct because testing in Detection-only mode allows you to monitor the rule's effectiveness and ensure it does not cause unintended disruptions before enabling the "Block" action. This approach minimizes risks associated with false positives.
質問 # 50
Which method can be used to identify running processes in a cloud environment without deploying a Falcon sensor?
- A. Deploy Falcon Discover for Cloud Environments
- B. Rely on the built-in antivirus solutions of the cloud provider
- C. SSH into each virtual machine to manually inspect running processes
- D. Cloud-native tools like AWS CloudWatch, Azure Monitor, or Google Cloud Operations Suite
正解：D
解説：
Option A: While Falcon Discover provides comprehensive visibility into cloud workloads, it requires deployment on monitored environments. The question specifies identifying running processes without deploying a Falcon sensor, so this option is invalid.
Option B: Manually SSHing into VMs to inspect processes is inefficient and does not scale in modern cloud environments. This method increases administrative overhead and risks configuration drift. Additionally, SSH access may not be available due to strict security policies.
Option C: Cloud-native monitoring tools like AWS CloudWatch, Azure Monitor, and Google Cloud Operations Suite allow visibility into running processes, system metrics, and logs without requiring third-party agents. These services can provide runtime data and integrate with CrowdStrike for deeper insights. They are essential for environments where agent installation is limited by operational constraints.
Option D: Built-in antivirus solutions, such as Microsoft Defender for Endpoint or AWS GuardDuty, focus on threat detection rather than providing detailed runtime process visibility.
These tools lack the specificity required to identify and monitor all running processes.
質問 # 51
You are tasked with manually scanning container images for vulnerabilities using the CrowdStrike Falcon command-line tool.
Which command correctly initiates the scan?
- A. falconctl scan --type image --file <image_file>
- B. falcon image-scan --repository <repository_url> --image <image_tag>
- C. falcon container-scan --registry <registry_url> --image <image_tag>
- D. falconctl image-scan --scan-path <path_to_image>
正解：B
解説：
Option A: The falcon container-scan command is not a valid command in the CrowdStrike Falcon CLI. The correct command for scanning images is falcon image-scan.
Option B: The falconctl command is used for managing endpoint agents, not for scanning container images. The --type image and --file flags are not valid in this context.
Option C: While falconctl is a valid tool, the --scan-path flag and image-scan subcommand do not exist. Image scanning requires specifying the repository and image tag, not a file path.
Option D: This command follows the proper syntax to manually scan container images using the CrowdStrike Falcon command-line tool. It specifies the repository URL and image tag, which are required parameters for the scan.
質問 # 52
When defining Falcon Cloud Security Rules, which of the following is a key factor for ensuring that rules are effective and minimally disruptive?
- A. Conduct regular testing of rules in an audit-only mode before enforcing them.
- B. Assign rules based on specific regions where cloud workloads are hosted.
- C. Use generic, broad rule conditions to apply policies universally across all workloads.
- D. Configure rules to override all existing cloud provider security configurations.
正解：A
解説：
Option A: Testing rules in an audit-only mode allows administrators to evaluate their impact on workloads and cloud resources without disrupting operations. This approach ensures that the rules are correctly scoped and that they do not generate false positives or block legitimate activities before they are enforced.
Option B: Falcon Cloud Security Rules are designed to complement, not override, cloud provider security configurations. Overriding could lead to conflicts or weakened security postures.
Option C: While considering regions might be relevant in some scenarios, effective rules focus on workloads and actions rather than just geographic regions.
Option D: Broad rules can lead to unintended consequences, such as blocking legitimate activities or overwhelming administrators with alerts. Granular and specific rules are critical for effective policy enforcement.
質問 # 53
Which component of Falcon Fusion is primarily responsible for automating responses to detected threats within a cloud environment?
- A. Event Correlation Dashboard
- B. Workflow Builder
- C. Threat Intelligence Orchestrator
- D. Custom Alerts Manager
正解：B
解説：
Option A: The Workflow Builder is the core component of Falcon Fusion for designing and automating workflows. It enables administrators to define automated actions, such as isolating hosts, generating alerts, or notifying teams when threats are detected.
Option B: While this may sound relevant, the Threat Intelligence Orchestrator focuses on integrating and managing external intelligence feeds rather than automating responses to detected threats.
Option C: This dashboard provides insights into correlated events for analysis but does not facilitate automation of threat responses. It is a visualization and reporting tool rather than an active automation feature.
Option D: This tool allows administrators to manage and customize alerts based on specific threat criteria, but it does not automate responses. It is a configuration tool, not an automation component.
質問 # 54
After identifying inactive users using the CrowdStrike CIEM/Identity Analyzer, what is the most appropriate action to mitigate risks associated with these accounts?
- A. Temporarily disable inactive accounts and monitor for unexpected activity before permanent action.
- B. Deactivate inactive accounts but retain their associated roles and permissions.
- C. Transfer the permissions of inactive accounts to active users for operational efficiency.
- D. Immediately delete all inactive user accounts.
正解：A
解説：
Option A: Transferring permissions without a clear business need or appropriate analysis can lead to excessive privilege assignments and violate the principle of least privilege, increasing the risk of insider threats or accidental misuse.
Option B: Temporarily disabling inactive accounts allows organizations to verify whether the accounts are genuinely no longer in use while preventing immediate security risks. Monitoring for unexpected activity during the temporary disablement phase helps identify potential misuse or ongoing necessity of the account, ensuring informed decisions about deactivation or deletion.
Option C: Deactivating accounts without addressing roles and permissions still poses a security risk. Inactive accounts with retained permissions can be re-enabled or misused inappropriately.
Option D: While deleting inactive accounts removes potential attack vectors, this approach is risky without prior analysis. Some accounts may be needed for legacy systems or auditing purposes, leading to operational disruption.
質問 # 55
What is one of the primary functions of the CrowdStrike Kubernetes Admission Controller in securing containerized workloads?
- A. Monitoring inter-container network traffic and blocking suspicious connections.
- B. Intercepting pod creation requests to ensure they comply with configured security policies.
- C. Automatically applying kernel-level protections to all running containers.
- D. Scanning all container images for vulnerabilities during runtime.
正解：B
解説：
Option A: Kernel-level protections are managed by the CrowdStrike Falcon Container Sensor, not the Admission Controller. The Admission Controller focuses on admission-time security policies rather than runtime protections.
Option B: The Kubernetes Admission Controller intercepts pod creation requests submitted to the Kubernetes API server. It verifies these requests against security policies configured by the CrowdStrike platform, such as ensuring containers include the CrowdStrike Falcon sensor or restricting the use of insecure configurations (e.g., running containers as root). This functionality enforces security at the earliest stage of workload deployment.
Option C: Vulnerability scanning is typically performed by image scanning tools or registry integrations. The Admission Controller does not scan images but ensures security compliance during pod admission.
Option D: Network monitoring and blocking are functions of network security solutions, not the Kubernetes Admission Controller. The Admission Controller focuses solely on admission control.
質問 # 56
You are reviewing accounts using the CrowdStrike CIEM/Identity Analyzer and need to ensure MFA compliance.
Which account configuration demonstrates proper MFA implementation?
- A. An account with no login activity in the last 30 days and no additional authentication factors.
- B. An account configured with biometric authentication only.
- C. An account that uses password authentication and an authenticator app for a one-time password (OTP).
- D. An account that allows users to bypass additional authentication steps on trusted devices.
正解：C
解説：
Option A: The inactivity period and absence of additional authentication factors disqualify this account from demonstrating proper MFA implementation. This account would likely need further review for security compliance.
Option B: This setup meets the definition of MFA, combining two factors: "something you know" (password) and "something you have" (authenticator app). This ensures robust security against unauthorized access.
Option C: While biometric authentication ("something you are") is a strong factor, MFA requires combining at least two different factors. Biometric authentication alone does not meet this standard.
Option D: Allowing bypass of additional steps compromises the integrity of MFA and introduces vulnerabilities. Proper MFA should always require multiple factors, even on trusted devices.
質問 # 57
An enterprise using Kubernetes wants to enforce a security policy that ensures all deployed containers originate only from their private container registry (registry.example.com). What is the best way to achieve this using an admission controller?
- A. Use a Kubernetes NetworkPolicy to restrict egress traffic to public container registries
- B. Use a PodSecurityPolicy (PSP) to define allowed image sources
- C. Use RBAC to restrict users from pulling images from unauthorized registries
- D. Use a ValidatingWebhookConfiguration to reject pods that use images from untrusted registries
正解：D
解説：
Option A: NetworkPolicies do not control which images can be pulled, only how network traffic flows between pods. Attackers could still use unauthorized images that were already pulled and cached.
Option B: PodSecurityPolicies (PSPs) are deprecated and cannot enforce image sources. Even when PSPs were in use, they did not provide controls for restricting container images based on registries.
Option C: RBAC rules control permissions related to Kubernetes objects but do not directly prevent the use of unauthorized container images.
Option D: A ValidatingWebhookConfiguration can be set up to inspect pod specifications and deny any that use images not sourced from registry.example.com. This provides a centralized and enforceable policy.
質問 # 58
What is the best approach to detect rogue containers and configuration drift in a Kubernetes environment?
- A. Integrate CrowdStrike's container runtime protection to monitor container activity
- B. Deploy static rules to enforce container security policies
- C. Use default Kubernetes logging mechanisms to detect all runtime anomalies
- D. Enable admission controllers to prevent unauthorized deployments
正解：A
解説：
Option A: Admission controllers are effective at preventing unauthorized deployments at the admission stage but do not monitor runtime behavior. They cannot detect rogue containers that bypass admission controls or identify configuration drift after deployment.
Option B: Kubernetes logging mechanisms provide a baseline for auditing but lack the specificity and advanced threat detection capabilities needed to identify rogue containers and configuration drift effectively.
Option C: CrowdStrike's container runtime protection provides real-time monitoring of container activity, detecting rogue containers and runtime configuration drift. This approach uses behavioral analysis and IOA detection to identify threats that static policies cannot handle.
Option D: Static rules enforce predefined security configurations but are inflexible in identifying runtime anomalies or dynamic threats. They do not adapt to changes in the runtime environment and can miss rogue containers or configuration drift.
質問 # 59
Your organization decides to discontinue using a specific cloud account monitored by CrowdStrike Falcon.
What is the correct procedure to deprovision the account from Falcon without leaving residual connections?
- A. Uninstall all CrowdStrike endpoint agents from the cloud account.
- B. Remove the cloud account from the Falcon console and disable API access for Falcon.
- C. Revoke permissions granted to CrowdStrike Falcon on the cloud account.
- D. Delete all virtual machines associated with the cloud account before deprovisioning.
正解：B
解説：
Option A: Deleting virtual machines is unnecessary for deprovisioning. The focus should be on severing integration points between Falcon and the cloud account.
Option B: Removing the account from the Falcon console ensures that Falcon no longer attempts to monitor it. Disabling API access prevents further interaction and completes the deprovisioning process.
Option C: Revoking permissions alone is insufficient because the account remains linked to Falcon. Proper deprovisioning requires both removing the account and disabling API access.
Option D: Uninstalling endpoint agents is irrelevant to deprovisioning a cloud account from Falcon. Agents operate independently from cloud account registration.
質問 # 60
When using Falcon Fusion, how can administrators ensure they are notified immediately about critical threats detected in their cloud infrastructure?
- A. Configure automated actions in Workflow Builder to trigger notifications.
- B. Integrate Falcon Fusion with CrowdStrike Threat Graph for alerts.
- C. Activate the Immediate Alert Policy in Falcon Central.
- D. Set up recurring reports in the Falcon Dashboard.
正解：A
解説：
Option A: Workflow Builder is the correct tool for setting up automated actions, such as sending email or webhook notifications, whenever a critical threat is detected. This provides immediate alerts based on predefined criteria.
Option B: Threat Graph integration enhances threat intelligence and event correlation but does not directly configure real-time notifications in Falcon Fusion workflows.
Option C: Recurring reports can provide regular updates, but they are not real-time notifications and are therefore unsuitable for immediate threat alerts.
Option D: There is no "Immediate Alert Policy" in Falcon Central. Notifications are handled within Falcon Fusion workflows, not through a standalone policy in Falcon Central.
質問 # 61
Your organization wants to automate the remediation of exposed AWS security groups that allow unrestricted access to port 22.
What trigger condition should you configure in Falcon Fusion to ensure the workflow is activated for such findings?
- A. Falcon Sensor Alert: High CPU usage detected in an AWS instance.
- B. AWS Security Finding: Security Group allows 0.0.0.0/0 on port 22.
- C. AWS Security Finding: Missing MFA for IAM users.
- D. AWS Security Finding: Unused EC2 instance detected.
正解：B
解説：
Option A: Missing MFA is a critical security gap, but it pertains to user authentication rather than network access via security groups.
Option B: High CPU usage may indicate a performance issue or potential compromise but is not directly linked to security group configurations.
Option C: Although identifying unused resources is valuable for cost optimization, it is unrelated to the remediation of security group exposure.
Option D: The correct trigger condition for automating remediation of an exposed security group is based on the specific AWS security finding that identifies security groups allowing unrestricted (0.0.0.0/0) access to port 22. This ensures the workflow targets the exact issue requiring remediation, such as tightening inbound rules for the security group.
質問 # 62
You are tasked with ensuring that CrowdStrike can effectively assess container images in your environment.
Which of the following actions should you take to allow image assessment without interruption?
- A. Add CrowdStrike IP addresses to the registry allowlist.
- B. Add container image tags associated with CrowdStrike to the allowlist.
- C. Configure CrowdStrike to bypass allowlist requirements via elevated privileges.
- D. Disable the firewall on all nodes where container images are stored.
正解：A
解説：
Option A: CrowdStrike doesn't use elevated privileges to bypass allowlist requirements. Its integration depends on proper allowlist configuration. This answer reflects a misunderstanding of CrowdStrike's operational principles.
Option B: CrowdStrike's image assessment service interacts with your container registry to scan images for vulnerabilities. For this process to occur without interruptions, the IP addresses used by CrowdStrike must be allowed through your registry's network controls. This ensures that CrowdStrike's scanning traffic isn't blocked, allowing seamless integration and accurate scanning.
Option C: Allowlisting tags doesn't enable network communication. CrowdStrike relies on its IP addresses being allowlisted, not image tags. Misinterpreting tags as a network control mechanism would result in failed scans.
Option D: Disabling the firewall is a poor security practice. Firewalls are critical for securing nodes and preventing unauthorized access. Instead, the proper approach is to selectively allow CrowdStrike IPs through the firewall or allowlist them in the registry configuration.
質問 # 63
When registering a container registry in Falcon's Image Assessment feature, which of the following parameters is mandatory for a successful connection?
- A. The container registry's Base URL, a scan rule for critical vulnerabilities, and a list of trusted images.
- B. The container registry's Base URL, authentication credentials, and a unique connection name.
- C. The container registry's Base URL, authentication credentials, and a defined repository scan scope.
- D. The container registry's Base URL, authentication credentials, and an active Image Assessment policy.
正解：B
解説：
Option A: Registering a registry requires the Base URL to identify the registry, authentication credentials for access, and a unique connection name to distinguish it in the Falcon console.
Option B: An Image Assessment policy is configured after the registry connection is registered, not as part of the registration process.
Option C: While the Base URL and credentials are mandatory, the repository scan scope is optional and defined later in the scan policy.
Option D: These configurations are related to scan rules and policies, not to the connection setup itself.
質問 # 64
When analyzing cloud findings for misconfigurations, which of the following would be considered a high-risk practice that should be flagged for remediation?
- A. Implementing role-based access control (RBAC) policies for cloud resources
- B. Using network security groups (NSGs) to limit traffic to trusted IP addresses
- C. Allowing unrestricted inbound traffic to cloud-hosted resources on port 22
- D. Enforcing multi-factor authentication (MFA) for all cloud administrator accounts
正解：C
解説：
Option A: NSGs are an effective way to control network access to resources. Limiting traffic to trusted IPs reduces the attack surface and is a good security practice.
Option B: Port 22 is typically used for SSH access. Allowing unrestricted inbound traffic to this port exposes cloud-hosted resources to brute-force attacks and unauthorized access. This is a high-risk practice and a common misconfiguration that should be remediated by limiting access to trusted IPs or using VPNs.
Option C: RBAC is a best practice for managing permissions in the cloud. It ensures that users have access only to the resources they need, reducing the risk of over-privileged accounts. This is not a high-risk practice.
Option D: MFA is a critical security control that protects against unauthorized access, even if credentials are compromised. Enforcing MFA is a recommended practice, not a high-risk one.
質問 # 65
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