Question 1

You need to find all occurrences of the term ‘error’ in ‘application.log’ and redirect both the output and errors from this operation to a file named ‘errors_found.txt’. Which command should you use?

Options :

A : grep 'error' application.log > errors_found.txt

B :

grep 'error' application.log 2>&1 errors_found.txt

C : grep 'error' application.log &> errors_found.txt

D : grep 'error' application.log > errors_found.txt 2>&1

Answer: D

Question 2

A company is expanding its services and plans to deploy dozens of microservices across multiple hosts. What is the primary benefit of using container orchestration in this scenario?

Options :

A : To simplify the management of individual container logs

B : To enable automatic scaling and load balancing of services

C : To decrease the overall cost of cloud hosting services

D : To ensure compliance with industry-specific security standards

Answer: B

Question 3

When transitioning to a GitOps workflow for a cloud-native application, a DevOps team debates how best to manage configuration changes to their Kubernetes clusters. Which change management model should they employ to ensure configurations are consistently applied and easily auditable in alignment with GitOps practices?

Options :

A : Manual Intervention Model, requiring operations team members to apply changes directly using kubectl commands

B : Infrastructure as Code (IaC) Model, storing configuration files in Git repositories and applying changes through automated pipelines

C : Scheduled Updates Model, applying changes at fixed intervals regardless of the state of the repository

D : Centralized Command Center Model, using a single dashboard for manual updates by authorized personnel

Answer: B

Question 4

To configure a static IP address of 192.168.1.50 on a network interface named ‘eth0’ on a Linux system using the NetworkManager command-line tool (nmcli), which command should you use?

Options :

A : nmcli con add con-name eth0 ifname eth0 type ethernet ip4 192.168.1.50/24

B : nmcli device modify eth0 ipv4.addresses 192.168.1.50/24

C : nmcli con modify eth0 ipv4.addresses 192.168.1.50/24 ipv4.method manual

D : ifconfig eth0 192.168.1.50 netmask 255.255.255.0 up

Answer: C

Question 5

In a GitOps workflow, a team wants to ensure that any changes to the network configuration in their Kubernetes clusters are automatically applied, version-controlled, and easily reversible. Which combination of tools and practices should they implement to achieve this?

Options :

A : Direct modifications to the cluster via kubectl commands

B : Storing network configuration as code in a Git repository and applying changes through Kubernetes Operators

C : Use of a shared spreadsheet to track changes and manual application by team members

D : Periodic backups of cluster configurations and manual restoration when changes are needed

Answer: B

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