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Title: Linux Foundation KCSA Certified Questions - KCSA Best Vce [Print This Page]

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Title: Linux Foundation KCSA Certified Questions - KCSA Best Vce
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Linux Foundation KCSA Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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 4
  • 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.
Topic 5
  • 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.

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Linux Foundation Kubernetes and Cloud Native Security Associate Sample Questions (Q46-Q51):NEW QUESTION # 46
What is the purpose of an egress NetworkPolicy?
Answer: B
Explanation:
* NetworkPolicycontrols network trafficat the Pod level.
* Ingress rules:controlincomingconnections to Pods.
* Egress rules:controloutgoingconnectionsfrom Pods.
* Exact extract (Kubernetes Docs - Network Policies):
* "An egress rule controls outgoing connections from Pods that match the policy."
* Clarifying wrong answers:
* A/B: Too broad (cluster-level); policies apply per Pod/Namespace.
* C: Security against unauthorized access is broader than egress policies.
References:
Kubernetes Docs - Network Policies: https://kubernetes.io/docs/concepts/services-networking/network- policies/

NEW QUESTION # 47
Which technology can be used to apply security policy for internal cluster traffic at the application layer of the network?
Answer: C
Explanation:
* Service Mesh (e.g., Istio, Linkerd, Consul)perates 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 # 48
Which standard approach to security is augmented by the 4C's of Cloud Native security?
Answer: A
Explanation:
* The 4C's model (Cloud, Cluster, Container, Code) is presented in the official Kubernetes documentation as alayeredmodel that explicitly maps todefense-in-depth.
* Exact extracts from Kubernetes docs(security overview):
* "The 4C's of Cloud Native Security are Cloud, Clusters, Containers, and Code."
* "You can think of the 4C's asa layered approach to security; applying security measures at each layer reduces risk."
* "This layered approach is commonly known asdefense in depth."
References:
Kubernetes Docs - Security overview #The 4C's of Cloud Native Security: https://kubernetes.io/docs
/concepts/security/overview/#the-4cs-of-cloud-native-security

NEW QUESTION # 49
What is the reasoning behind considering the Cloud as the trusted computing base of a Kubernetes cluster?
Answer: B
Explanation:
* The4C's of Cloud Native Security(Cloud, Cluster, Container, Code) model starts withCloudas the base layer.
* If the Cloud (infrastructure layer) is compromised, every higher layer (Cluster, Container, Code) inherits that compromise.
* Exact extract (Kubernetes Security Overview):
* "The 4C's of Cloud Native security are Cloud, Clusters, Containers, and Code. You can think of the 4C's as a layered approach. A Kubernetes cluster can only be as secure as the cloud infrastructure it is deployed on."
* This means the cloud is part of thetrusted computing baseof a Kubernetes cluster.
References:
Kubernetes Docs - Security Overview (4C's): https://kubernetes.io/docs/concepts/security/overview/#the-
4cs-of-cloud-native-security

NEW QUESTION # 50
Which of the following snippets from a RoleBinding correctly associates user bob with Role pod-reader ?
Answer: C
Explanation:
Kubernetes RBAC usesRoleBindingto grant permissions defined in aRoleto asubject(user, group, or service account) within a namespace. The official example shows binding user jane to Role pod-reader:
"A RoleBinding grants the permissions defined in a Role to a user or set of users...." Example:
subjects:
- kind: User
name: jane
apiGroup: rbac.authorization.k8s.io
roleRef:
kind: Role
name: pod-reader
apiGroup: rbac.authorization.k8s.io
- Kubernetes docs, RBAC: RoleBinding and ClusterRoleBinding
OptionBmatches this pattern exactly, with name: bob as theUsersubject and roleRef pointing to theRole named pod-reader.
* Aswaps the names (subject is pod-reader, role is bob) # incorrect.
* Creferences aClusterRole, not aRole(the question asks for Role).
* Duses kind: Group even though we need theUserbob.
References:
Kubernetes Docs - Using RBAC Authorization #RoleBinding and ClusterRoleBinding: https://kubernetes.io
/docs/reference/access-authn-authz/rbac/#rolebinding-and-clusterrolebinding

NEW QUESTION # 51
......
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