FIS AWS Cloud Engineer Interview Questions and Answers

Q1. Write dockerfile for java application.
Ans. 
A Dockerfile is a text file that contains instructions for building a Docker image for a Java application.
• Use a base image that includes Java, such as 'openjdk:8'

• Copy the application JAR file to the image using the 'COPY' instruction

• Set the working directory using the 'WORKDIR' instruction

• Specify the command to run the Java application using the 'CMD' instruction
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Q2. Difference between add and cmd in docker
Ans. 
The ADD instruction copies files or directories from the host machine to the Docker image, while the CMD instruction specifies the default command to be executed when running a container.
• ADD can copy files and directories from the host machine to the Docker image

• CMD specifies the default command to be executed when running a container

• ADD can also download files from the internet and extract them

• CMD can be overridden by
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All questions depends on cloud

Q1. What is use of delta in cloud
Ans. 
Delta in cloud refers to the difference between two versions of a file or data.
• Delta is used to reduce the amount of data that needs to be transferred during updates or backups.

• It helps in saving bandwidth and storage space.

• For example, in cloud storage, only the changes made to a file are synced instead of the entire file.

• Delta compression is also used in cloud computing to optimize network traffic and reduce latency.
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Q2. What is an use an Internet in the cloud
Ans. 
Internet in the cloud enables access to web-based applications and services from anywhere in the world.
• Cloud-based applications can be accessed through a web browser or mobile app

• Internet connectivity is required to access cloud services

• Cloud providers offer global data centers to ensure low latency and high availability

• Examples include Google Drive, Dropbox, and Salesforce
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