3sda Evaya Data Systems Devsecops Engineer Interview Questions and Answers for Experienced

CICD stands for Continuous Integration/Continuous Deployment. Jenkinsfile functions include stages, steps, post, and more.

• CICD stands for Continuous Integration/Continuous Deployment

• Jenkinsfile functions include stages, steps, post, agent, environment, and more

• Stages define a series of tasks to be executed in a pipeline

• Steps define individual actions within a stage

• Post defines actions to be taken after the pipeline has...read more

Kubernetes is an open-source container orchestration platform for automating deployment, scaling, and management of containerized applications.

• Kubernetes helps in automating the deployment, scaling, and management of containerized applications.

• It allows for easy scaling of applications by adding or removing containers based on demand.

• Kubernetes provides features like service discovery, load balancing, and self-healing ...read more

Workspaces in Docker are isolated environments where developers can work on different projects without affecting each other.

• Workspaces allow developers to have separate environments for each project, preventing conflicts between dependencies.

• Each workspace has its own set of containers, volumes, and networks, ensuring isolation.

• Developers can easily switch between workspaces to work on different projects.

• Workspaces are...read more

Cost optimization in DevOps is achieved through efficient resource utilization, automation, and continuous monitoring.

• Implementing auto-scaling to dynamically adjust resources based on demand

• Using containerization to maximize resource utilization and reduce costs

• Leveraging cloud services for pay-as-you-go pricing model

• Implementing cost monitoring tools to identify and eliminate wasteful spending

• Optimizing code and infr...read more

Monitoring is done using Prometheus and Grafana. Prometheus collects metrics and Grafana visualizes them.

• Prometheus is an open-source monitoring and alerting toolkit

• It collects metrics from monitored targets by scraping HTTP endpoints

• Grafana is a visualization tool that creates dashboards for the collected metrics

• It allows users to create graphs, charts, and alerts based on the data from Prometheus

git fetch downloads changes from the remote repository, while git pull downloads changes and merges them into the current branch.

• git fetch only downloads changes from the remote repository, but does not merge them into the current branch

• git pull downloads changes from the remote repository and merges them into the current branch

• git fetch is useful for reviewing changes before merging, while git pull is a shortcut for f

The 'add' command is used to add files from the source directory to the destination directory in a Dockerfile, while the 'copy' command is used to copy files from the source directory to the destination directory in a Dockerfile.

• The 'add' command can also accept URLs as the source, while the 'copy' command cannot.

• The 'add' command can automatically extract compressed files, while the 'copy' command cannot.

• The 'copy' co...read more

Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications.

• Kubernetes follows a master-slave architecture with a master node that controls multiple worker nodes.

• Master node includes components like API server, scheduler, controller manager, and etcd.

• Worker nodes run containers and include components like kubelet, kube-proxy, and con...read more

You can connect between 2 EC2 instances by using their private IP addresses or public DNS names.

• Use private IP addresses for communication within the same VPC

• Use public DNS names for communication across different VPCs or over the internet

Connections between public and private subnets are established using a NAT gateway or a NAT instance.

• Use a NAT gateway to allow instances in a private subnet to initiate outbound traffic to the internet while preventing inbound traffic from reaching those instances.

• Alternatively, use a NAT instance with a security group that only allows inbound traffic from instances in the public subnet.

• Ensure that the route tables fo...read more

I am a dedicated and experienced Desktop Support Engineer with a strong background in troubleshooting and resolving technical issues.

• Over 5 years of experience in providing desktop support to end users

• Proficient in diagnosing and resolving hardware and software issues

• Skilled in setting up and configuring desktops, laptops, and peripherals

• Excellent customer service and communication skills

• Certified in CompTIA A+ and Mic...read more

The DORA process stands for Discover, Offer, Request, and Acknowledge. It is a method used in DHCP to assign IP addresses to devices.

• Discover: Device sends a broadcast message to discover DHCP servers on the network

• Offer: DHCP server responds with an IP address offer to the device

• Request: Device requests the offered IP address from the DHCP server

• Acknowledge: DHCP server acknowledges the request and assigns the IP addr

An incident is an unplanned interruption to an IT service or reduction in the quality of an IT service. A service request is a formal request from a user for something to be provided.

• An incident is a disruption to normal operation that requires immediate attention to restore service.

• A service request is a formal request from a user for information, advice, a standard change, or access to a service.

• Examples: Incident -

The outlook file responsible for taking backup is the PST file.

• PST file stores emails, contacts, calendar events, and other data in Outlook.

• Users can manually backup their PST file by exporting it from Outlook.

• Third-party backup software can also be used to automatically backup the PST file.

SMTP - 25, POP - 110, IMAP - 143

• SMTP uses port 25 for sending emails

• POP uses port 110 for receiving emails

• IMAP uses port 143 for accessing emails