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

For a project requiring high availability and fault tolerance, a system administrator needs to configure VM replication across multiple geographic regions. Which feature should be prioritized in the cloud provider’s service offerings to meet these requirements?

Options :

A : VM auto-scaling based on demand

B : Multi-region deployment capabilities

C : GPU options for compute-intensive tasks

D : Integrated backup and restore services

Answer: B

Question 3

You need to add a new user named ‘techuser’ to your Linux system and ensure they are a member of an existing group named ‘techgroup’. Which command should you use?

Options :

A : useradd -g techgroup techuser

B : usermod -aG techgroup techuser

C : adduser techuser -G techgroup

D : useradd -G techgroup techuser

Answer: A

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

A DevOps team is managing a fleet of servers across multiple data centers using a GitOps workflow. They want to ensure that any script executed for maintenance tasks is done so consistently and that the output from each server is captured for audit purposes. Which tool or approach would best fit this requirement within a GitOps framework?

Options :

A : Manual execution of scripts via SSH and manual logging of the output on a shared document

B : Use of a centralized configuration management tool like Ansible, with scripts and their execution policies stored in a Git repository and outputs logged to a centralized logging system

C : Sending scripts via email to data center administrators and asking them to run the scripts and reply with the output

D : Utilizing custom bash scripts that are manually copied to each server and executed, with outputs emailed back to the DevOps team

Answer: B

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