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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Supply Chain Security | 20% | - Image security & scanning - Static analysis tools - Signed artifacts & verification - SBOM & CI/CD security - Permitted registries |
| Topic 2: System Hardening | 10% | - Kernel hardening (AppArmor, seccomp) - Minimize OS attack surface - Network access control - Least privilege IAM |
| Topic 3: Cluster Setup | 15% | - Node metadata protection - CIS benchmark compliance - Network security policies - Binary verification - Secure Ingress configuration |
| Topic 4: Cluster Hardening | 15% | - Service account security - Component updates & vulnerability mitigation - API access restriction - RBAC configuration |
| Topic 5: Minimize Microservice Vulnerabilities | 20% | - Pod Security Standards - Isolation & multi-tenancy - Secret management - OPA/Gatekeeper implementation - Security contexts |
| Topic 6: Monitoring, Logging and Runtime Security | 20% | - Threat detection (Falco) - Behavioral analytics - Incident investigation - Audit log configuration - Container immutability |
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NEW QUESTION # 42
You need to prevent unauthorized access to your Kubernetes cluster. You are implementing a policy to restrict access to the Kubernetes API server- You want to restrict access to the API server to only specific IP addresses. How can you implement this restriction?
Answer:
Explanation:
Solution (Step by Step) :
1. Contigure API Server Admission Control:
- Edit the API server configuration file C/etc/kubernetes/manifests/kube-apiserver.yaml') to enable 'AlwaysAdmit' admission control.
2. Create a Network Policy:
- Define a NetworkPoIicy that allows access from the specified IP addresses.
- Apply the NetworkPolicy to the namespace containing the Kubernetes API server.
3. Example Implementation:
-
4. Restart the API Server: - Restart the Kubernetes API server to apply the new configuration. 5. Note: - It is crucial to only allow access from trusted IP addresses to prevent potential security breaches.
NEW QUESTION # 43
You have a multi-tenant Kubernetes cluster where each tenant has its own namespace. You need to configure security policies to ensure that:
- Pods in namespace 'tenant-a' cannot access any resources in namespace 'tenant-b'
- Pods in namespace 'tenant-b' can access resources in namespace 'tenant-a' only if they have a label 'tier:gold'.
Answer:
Explanation:
Solution (Step by Step) :
1. Create NetworkPoIicy for 'tenant-a'.
2. Create NetworkP01iCY for 'tenant-b':
3. Apply the policies: bash kubectl apply -f tenant-a-policy.yaml kubectl apply -f tenant-b-policy.yaml
NEW QUESTION # 44
A container image scanner is set up on the cluster.
Given an incomplete configuration in the directory
/etc/kubernetes/confcontrol and a functional container image scanner with HTTPS endpoint https://test-server.local.8081/image_policy
1. Enable the admission plugin.
2. Validate the control configuration and change it to implicit deny.
Finally, test the configuration by deploying the pod having the image tag as latest.
Answer:
Explanation:
ssh-add ~/.ssh/tempprivate
eval "$(ssh-agent -s)"
cd contrib/terraform/aws
vi terraform.tfvars
terraform init
terraform apply -var-file=credentials.tfvars
ansible-playbook -i ./inventory/hosts ./cluster.yml -e ansible_ssh_user=core -e bootstrap_os=coreos -b --become-user=root --flush-cache -e ansible_user=core
NEW QUESTION # 45
You have a Kubernetes cluster witn multiple namespaces. One namespace, "dev", is used for development and testing purposes. You want to prevent pods in the "dev" namespace from accessing resources in other namespaces.
Answer:
Explanation:
Solution (Step by Step):
1. Apply Namespace-Level Network Policy: Create a network policy that restricts pods within the "dev" namespace from accessing any resources outside the namespace.
- Create a YAML file for the Network Policy:
2. Deploy the Network Policy: Apply the YAML file using ' kubectl apply -f networkpolicy.yamr Note: This policy allows pods within "dev" to communicate with each other but blocks communication with pods in other namespaces.
NEW QUESTION # 46
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:
Explanation:
See the Explanation belowExplanation:
NEW QUESTION # 47
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