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Linux Foundation KCSA Exam Syllabus Topics:

Topic	Details
Topic 1	Kubernetes Threat Model: This section of the exam measures the skills of a Cloud Security Architect and involves identifying and mitigating potential threats to a Kubernetes cluster. It requires understanding common attack vectors like privilege escalation, denial of service, malicious code execution, and network-based attacks, as well as strategies to protect sensitive data and prevent an attacker from gaining persistence within the environment.
Topic 2	Kubernetes Cluster Component Security: This section of the exam measures the skills of a Kubernetes Administrator and focuses on securing the core components that make up a Kubernetes cluster. It encompasses the security configuration and potential vulnerabilities of essential parts such as the API server, etcd, kubelet, container runtime, and networking elements, ensuring each component is hardened against attacks.
Topic 3	Compliance and Security Frameworks: This section of the exam measures the skills of a Compliance Officer and focuses on applying formal structures to ensure security and meet regulatory demands. It covers working with industry-standard compliance and threat modeling frameworks, understanding supply chain security requirements, and utilizing automation tools to maintain and prove an organization's security posture.
Topic 4	Overview of Cloud Native Security: This section of the exam measures the skills of a Cloud Security Architect and covers the foundational security principles of cloud-native environments. It includes an understanding of the 4Cs security model, the shared responsibility model for cloud infrastructure, common security controls and compliance frameworks, and techniques for isolating resources and securing artifacts like container images and application code.
Topic 5	Platform Security: This section of the exam measures the skills of a Cloud Security Architect and encompasses broader platform-wide security concerns. This includes securing the software supply chain from image development to deployment, implementing observability and service meshes, managing Public Key Infrastructure (PKI), controlling network connectivity, and using admission controllers to enforce security policies.

Linux Foundation Kubernetes and Cloud Native Security Associate Sample Questions (Q15-Q20):

NEW QUESTION # 15
On a client machine, what directory (by default) contains sensitive credential information?

A. /opt/kubernetes/secrets/
B. $HOME/.config/kubernetes/
C. $HOME/.kube
D. /etc/kubernetes/

Answer: C

Explanation:
* Thekubectlclient uses configuration from$HOME/.kube/configby default.
* This file contains: cluster API server endpoint, user certificates, tokens, or kubeconfigs #sensitive credentials.
* Exact extract (Kubernetes Docs - Configure Access to Clusters):
* "By default, kubectl looks for a file named config in the $HOME/.kube directory. This file contains configuration information including user credentials."
* Other options clarified:
* A: /etc/kubernetes/ exists on nodes (control plane) not client machines.
* C: /opt/kubernetes/secrets/ is not a standard path.
* D: $HOME/.config/kubernetes/ is not where kubeconfig is stored by default.
References:
Kubernetes Docs - Configure Access to Clusters: https://kubernetes.io/docs/concepts/configuration/organize- cluster-access-kubeconfig/

NEW QUESTION # 16
Which technology can be used to apply security policy for internal cluster traffic at the application layer of the network?

A. Ingress Controller
B. Service Mesh
C. Network Policy
D. Container Runtime

Answer: B

Explanation:
* Service Mesh (e.g., Istio, Linkerd, Consul):operates atLayer 7 (application layer), enforcing policies like mTLS, authorization, and routing between services.
* NetworkPolicy:works atLayer 3/4 (IP/port), not Layer 7.
* Ingress Controller:handles external traffic ingress, not internal service-to-service traffic.
* Container Runtime:responsible for running containers, not enforcing application-layer security.
Exact extract (Istio docs):
* "Istio provides security by enforcing authentication, authorization, and encryption of service-to- service communication." References:
Kubernetes Docs - Network Policies: https://kubernetes.io/docs/concepts/services-networking/network- policies/ Istio Security Docs: https://istio.io/latest/docs/concepts/security/

NEW QUESTION # 17
In the event that kube-proxy is in a CrashLoopBackOff state, what impact does it have on the Pods running on the same worker node?

A. The Pods cannot communicate with other Pods in the cluster.
B. The Pod's security context restrictions cannot be enforced.
C. The Pod cannot mount persistent volumes through CSI drivers.
D. The Pod's resource utilization increases significantly.

Answer: A

Explanation:
* kube-proxy:manages cluster network routing rules (via iptables or IPVS). It enables Pods to communicate with Services and Pods across nodes.
* If kube-proxy fails (CrashLoopBackOff), service IP routing and cluster-wide pod-to-pod networking breaks. Local Pod-to-Pod communication within the same node may still work, butcross-node communication fails.
* Exact extract (Kubernetes Docs - kube-proxy):
* "kube-proxy maintains network rules on nodes. These rules allow network communication to Pods from network sessions inside or outside of the cluster." References:
Kubernetes Docs - kube-proxy: https://kubernetes.io/docs/reference/command-line-tools-reference/kube- proxy/

NEW QUESTION # 18
Which of the following statements regarding a container run with privileged: true is correct?

A. A container run with privileged: true within a Namespace can access all Secrets used within that Namespace.
B. A container run with privileged: true on a node can access all Secrets used on that node.
C. A container run with privileged: true within a cluster can access all Secrets used within that cluster.
D. A container run with privileged: true has no additional access to Secrets than if it were run with privileged: false.

Answer: D

Explanation:
* Setting privileged: true grants a containerelevated access to the host node, including access to host devices, kernel capabilities, and the ability to modify the host.
* However, Secrets in Kubernetes are not automatically exposedto privileged containers. Secrets are mounted into Pods only if explicitly referenced.
* Thus, being privilegeddoes not grant additional access to Kubernetes Secretscompared to a non- privileged Pod.
* The risk lies in node compromise: if a privileged container can take over the node, it could then indirectly gain access to Secrets (e.g., by reading kubelet credentials).
References:
Kubernetes Documentation - Security Context
CNCF Security Whitepaper - Pod security context and privileged container risks.

NEW QUESTION # 19
Which of the following statements on static Pods is true?

A. The kubelet schedules static Pods local to its node without going through the kube-scheduler, making tracking and managing them difficult.
B. The kubelet can run a maximum of 5 static Pods on each node.
C. The kubelet can run static Pods that span multiple nodes, provided that it has the necessary privileges from the API server.
D. The kubelet only deploys static Pods when the kube-scheduler is unresponsive.

Answer: A

Explanation:
* Static Podsare managed directly by thekubeleton each node.
* They arenot scheduled by the kube-schedulerand always remain bound to the node where they are defined.
* Exact extract (Kubernetes Docs - Static Pods):
* "Static Pods are managed directly by the kubelet daemon on a specific node, without the API server. They do not go through the Kubernetes scheduler."
* Clarifications:
* A: Static Pods do not span multiple nodes.
* B: No hard limit of 5 Pods per node.
* D: They are not a fallback mechanism; kubelet always manages them regardless of scheduler state.
References:
Kubernetes Docs - Static Pods: https://kubernetes.io/docs/tasks/configure-pod-container/static-pod/

NEW QUESTION # 20
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High Pass-Rate Linux Foundation KCSA Reliable Test Online Are Leading Materials & Trustworthy Reliable KCSA Test Answers

KCSA Reliable Test Online - Linux Foundation First-grade Reliable KCSA Test Answers Pass Guaranteed

Linux Foundation KCSA Exam Syllabus Topics:

Linux Foundation Kubernetes and Cloud Native Security Associate Sample Questions (Q15-Q20):

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