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KCSA試験 & KCSA専門試験
時間とお金の集まりより正しい方法がもっと大切です。KCSA試験のために勉強していますなら、我々の提供するKCSA試験ソフトはあなたの選びの最高です。信じられないなら、デモをご覧ください。我々も返金保障があります。180日以内、お客様はKCSA試験に失敗したら、我々はお客様の支払った金額をお客様に戻り返すことができます。
最も短い時間で自分のIT技能を増強したいけれど、質の良い学習教材がないので悩んでいますか。ご心配なく、JPTestKingのLinux FoundationのKCSA試験トレーニング資料を手に入れるなら、ITに関する認定試験はなんでも楽に合格できます。JPTestKingの Linux FoundationのKCSA試験トレーニング資料は高度に認証されたIT領域の専門家の経験と創造を含めているものです。JPTestKingは君にとって、ベストな選択だといっても良いです。
KCSA専門試験 & KCSA資格試験
JPTestKingのLinux FoundationのKCSA試験トレーニング資料を使ったら、君のLinux FoundationのKCSA認定試験に合格するという夢が叶えます。なぜなら、それはLinux FoundationのKCSA認定試験に関する必要なものを含まれるからです。JPTestKingを選んだら、あなたは簡単に認定試験に合格することができますし、あなたはITエリートたちの一人になることもできます。まだ何を待っていますか。早速買いに行きましょう。
Linux Foundation KCSA 認定試験の出題範囲:
トピック | 出題範囲 |
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トピック 1 |
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トピック 2 |
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トピック 3 |
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Linux Foundation Kubernetes and Cloud Native Security Associate 認定 KCSA 試験問題 (Q55-Q60):
質問 # 55
What was the name of the precursor to Pod Security Standards?
- A. Pod Security Policy
- B. Kubernetes Security Context
- C. Container Security Standards
- D. Container Runtime Security
正解:A
解説:
* Kubernetes originally had a feature calledPodSecurityPolicy (PSP), which provided controls to restrict pod behavior.
* Official docs:
* "PodSecurityPolicy was deprecated in Kubernetes v1.21 and removed in v1.25."
* "Pod Security Standards (PSS) replace PodSecurityPolicy (PSP) with a simpler, policy- driven approach."
* PSP was often complex and hard to manage, so it was replaced by Pod Security Admission (PSA) which enforcesPod Security Standards.
References:
Kubernetes Docs - PodSecurityPolicy (deprecated): https://kubernetes.io/docs/concepts/security/pod- security-policy/ Kubernetes Blog - PodSecurityPolicy Deprecation: https://kubernetes.io/blog/2021/04/06/podsecuritypolicy- deprecation-past-present-and-future/
質問 # 56
Which of the following statements best describes the role of the Scheduler in Kubernetes?
- A. The Scheduler is responsible for ensuring the security of the Kubernetes cluster and its components.
- B. The Scheduler is responsible for managing the deployment and scaling of applications in the Kubernetes cluster.
- C. The Scheduler is responsible for monitoring and managing the health of the Kubernetes cluster.
- D. The Scheduler is responsible for assigning Pods to nodes based on resource availability and other constraints.
正解:D
解説:
* TheKubernetes Schedulerassigns Pods to nodes based on:
* Resource requests & availability (CPU, memory, GPU, etc.)
* Constraints (affinity, taints, tolerations, topology, policies)
* Exact extract (Kubernetes Docs - Scheduler):
* "The scheduler is a control plane process that assigns Pods to Nodes. Scheduling decisions take into account resource requirements, affinity/anti-affinity, constraints, and policies."
* Other options clarified:
* A: Monitoring cluster health is theController Manager's/kubelet's job.
* B: Security is enforced throughRBAC, admission controllers, PSP/PSA, not the scheduler.
* C: Deployment scaling is handled by theController Manager(Deployment/ReplicaSet controller).
References:
Kubernetes Docs - Scheduler: https://kubernetes.io/docs/concepts/scheduling-eviction/kube-scheduler/
質問 # 57
An attacker has access to the network segment that the cluster is on.
What happens when a compromised Pod attempts to connect to the API server?
- A. The compromised Pod attempts to connect to the API server, but its requests may be blocked due to network policies.
- B. The compromised Pod connects to the API server and is granted elevated privileges by default.
- C. The compromised Pod is allowed to connect to the API server without any restrictions.
- D. The compromised Pod is automatically isolated from the network to prevent any connections to the API server.
正解:A
解説:
* By default,Pods can connect to the API server(since ServiceAccount tokens are mounted).
* However, whether they succeed in acting depends on:
* Network Policies(may block egress).
* RBAC(controls permissions).
* Exact extract (Kubernetes Docs - API Access):
* "Pods authenticate to the API server using the service account token mounted into the Pod.
Authorization is then enforced by RBAC. NetworkPolicies may further restrict access."
* Clarifications:
* A: No default automatic isolation.
* B: Not always unrestricted; policies may apply.
* D: Pods get minimal default privileges, not automatic elevation.
References:
Kubernetes Docs - API Access to Pods: https://kubernetes.io/docs/concepts/security/service-accounts/ Kubernetes Docs - Network Policies: https://kubernetes.io/docs/concepts/services-networking/network- policies/
質問 # 58
In which order are thevalidating and mutating admission controllersrun while the Kubernetes API server processes a request?
- A. Validating and mutating admission controllers run simultaneously.
- B. The order of execution varies and is determined by the cluster configuration.
- C. Validating admission controllers run before mutating admission controllers.
- D. Mutating admission controllers run before validating admission controllers.
正解:D
解説:
* Theadmission control flowin Kubernetes:
* Mutating admission controllersrun first and can modify incoming requests.
* Validating admission controllersrun after mutations to ensure the final object complies with policies.
* This ensures policies validate thefinal, mutated object.
References:
Kubernetes Documentation - Admission Controllers
CNCF Security Whitepaper - Admission control workflow.
質問 # 59
You want to minimize security issues in running Kubernetes Pods. Which of the following actions can help achieve this goal?
- A. Sharing sensitive data among Pods in the same cluster to improve collaboration.
- B. Implement Pod Security standards in the Pod's YAML configuration.
- C. Running Pods with elevated privileges to maximize their capabilities.
- D. Deploying Pods with randomly generated names to obfuscate their identities.
正解:B
解説:
* Pod Security Standards (PSS):
* Kubernetes providesPod Security Admission (PSA)to enforce security controls based on policies.
* Official extract: "Pod Security Standards define different isolation levels for Pods. The standards focus on restricting what Pods can do and what they can access."
* The three standard profiles are:
* Privileged: unrestricted (not recommended).
* Baseline: minimal restrictions.
* Restricted: highly restricted, enforcing least privilege.
* Why option C is correct:
* Applying Pod Security Standards in YAML ensures Pods adhere tobest practiceslike:
* No root user.
* Restricted host access.
* No privilege escalation.
* Seccomp/AppArmor profiles.
* This directly minimizes security risks.
* Why others are wrong:
* A:Sharing sensitive data increases risk of exposure.
* B:Running with elevated privileges contradicts least privilege principle.
* D:Random Pod names donotcontribute to security.
References:
Kubernetes Docs - Pod Security Standards: https://kubernetes.io/docs/concepts/security/pod-security- standards/ Kubernetes Docs - Pod Security Admission: https://kubernetes.io/docs/concepts/security/pod-security- admission/
質問 # 60
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