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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Monitoring, Logging and Runtime Security | 20% | - Audit log configuration - Container immutability - Incident investigation - Behavioral analytics - Threat detection (Falco) |
| Topic 2: Cluster Setup | 15% | - Secure Ingress configuration - Network security policies - Binary verification - Node metadata protection - CIS benchmark compliance |
| Topic 3: System Hardening | 10% | - Least privilege IAM - Kernel hardening (AppArmor, seccomp) - Network access control - Minimize OS attack surface |
| Topic 4: Cluster Hardening | 15% | - Component updates & vulnerability mitigation - API access restriction - RBAC configuration - Service account security |
| Topic 5: Minimize Microservice Vulnerabilities | 20% | - OPA/Gatekeeper implementation - Secret management - Pod Security Standards - Security contexts - Isolation & multi-tenancy |
| Topic 6: Supply Chain Security | 20% | - Image security & scanning - Static analysis tools - SBOM & CI/CD security - Signed artifacts & verification - Permitted registries |
>> Exam Linux Foundation CKS Dump <<
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NEW QUESTION # 62
SIMULATION
Context
A default-deny NetworkPolicy avoids to accidentally expose a Pod in a namespace that doesn't have any other NetworkPolicy defined.
Task
Create a new default-deny NetworkPolicy named defaultdeny in the namespace testing for all traffic of type Egress.
The new NetworkPolicy must deny all Egress traffic in the namespace testing.
Apply the newly created default-deny NetworkPolicy to all Pods running in namespace testing.
Answer:
Explanation:
See the Explanation below
Explanation:
NEW QUESTION # 63
SIMULATION
Given an existing Pod named nginx-pod running in the namespace test-system, fetch the service-account-name used and put the content in /candidate/KSC00124.txt Create a new Role named dev-test-role in the namespace test-system, which can perform update operations, on resources of type namespaces.
Create a new RoleBinding named dev-test-role-binding, which binds the newly created Role to the Pod's ServiceAccount ( found in the Nginx pod running in namespace test-system).
Answer: A
NEW QUESTION # 64
You are using a managed Kubernetes offering like Google Kubernetes Engine (GKE)- Implement a process to verify the integrity of the GKE platform binaries and components.
Answer:
Explanation:
Solution (Step by Step):
1. Enable node auto-upgrade: Configure your GKE cluster to automatically upgrade nodes to the latest stable version. This ensures that security updates and bug fixes are applied promptly.
bash
gcloud container clusters update my-cluster -release-channel regular
2. Use the gcloud CLI to inspect cluster components: Use the 'gcloud container clusters describe' command to retrieve information about your GKE cluster, including the Kubernetes version, node image, and control plane version. Verify that these versions are up-to-date and consistent with your expectations.
bash
gcloud container clusters describe my-cluster
3. Review GKE release notes: Regularly review the GKE release notes ([https://cloud.google.com/kubernetes-engine/docs/release-notes]
(https://www.google.com/url?sa=E&source=gmail&q=https://cloud.google.com/kubernetes.engine/docs/release-notes)) to stay informed about security updates, bug fixes, and new features.
4. Enable GKE security features: Utilize GKE security features like Shielded GKE Nodes, Container-optimized OS security hardening, and Binary Authorization to enhance the security of your cluster.
5. Monitor GKE security advisories: Subscribe to Google Cloud security advisories and bulletins to stay informed about any potential vulnerabilities or security issues affecting GKE.
NEW QUESTION # 65
You have a Kubernetes cluster running a critical application with multiple deployments. You need to ensure that only authorized users can access the application's configuration files stored in ConfigMaps.
Answer:
Explanation:
Solution (Step by Step) :
1. Create a ROE for ConngMap Access:
- Create a Role YAML file named 'configmap-reader.yaml' to grant read-only access to ConfigMaps:
2. Create a RoIeBinding to Assign the Role: - Create a RoleBinding YAML file named 'configmap-reader-binding.yaml' to bind the 'configmap-reader' role to a specific user or group:
3. Apply the Role and RoleBinding: - Apply the YAML files using kubectl apply -f configmap-reader.yaml configmap-reader-binding.yaml 4. Create a ConfigMap: - Create a ConfigMap named 'app-config' that contains sensitive configuration information:
5. Verify Access Restrictions: - Log in as the 'authorized-user and try accessing the 'app-config' ConfigMap using 'kubectl get configmap app-config' _ You should be able to view the ContigMap data. - Log in as a different user who does not have the 'configmap-reader' role assigned. Try accessing the 'app-config' ConfigMap. You should not be able to access it.
NEW QUESTION # 66
You must complete this task on the following cluster/nodes: Cluster: immutable-cluster Master node: master1 Worker node: worker1 You can switch the cluster/configuration context using the following command: [desk@cli] $ kubectl config use-context immutable-cluster Context: It is best practice to design containers to be stateless and immutable. Task: Inspect Pods running in namespace prod and delete any Pod that is either not stateless or not immutable. Use the following strict interpretation of stateless and immutable: 1. Pods being able to store data inside containers must be treated as not stateless. Note: You don't have to worry whether data is actually stored inside containers or not already. 2. Pods being configured to be privileged in any way must be treated as potentially not stateless or not immutable.
Answer:
Explanation:
Reference: https://kubernetes.io/docs/concepts/policy/pod-security-policy/ https://cloud.google.com/architecture/best-practices-for-operating-containers
NEW QUESTION # 67
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