Aptean Interview Questions, Process, and Tips

Usual Aptitude, Logical Reasoning and Maths

Q1. Design 3 tier architecture.
Ans. 
3 tier architecture consists of presentation, application, and database layers.
• Presentation layer: User interface, web server, load balancer

• Application layer: Business logic, application server, API gateway

• Database layer: Data storage, database server, backup and recovery

• Each layer is independent and can be scaled separately

• Example: Web application with AngularJS on presentation layer, Java on application layer, and My
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Q2. What are the different types of S3 and how does S3-IA work.
Ans. 
S3 has 6 different types, including S3-IA which is a cost-effective storage option for infrequently accessed data.
• S3 Standard: for frequently accessed data

• S3 Intelligent-Tiering: automatically moves data between two access tiers based on changing access patterns

• S3 Standard-Infrequent Access (S3 Standard-IA): for infrequently accessed data

• S3 One Zone-Infrequent Access (S3 One Zone-IA): for infrequently accessed data tha...read more
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Q3. Write a program to restart VMs sequentially
Ans. 
A program to restart VMs sequentially
• Create a list of VMs to be restarted

• Loop through the list and restart each VM one by one

• Wait for each VM to complete the restart process before moving to the next one
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Q1. Challenges faced in current role
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Q2. What is load average in Linux machine
Ans. 
Load average is the average number of processes waiting to run on a CPU over a period of time.
• Load average is a measure of system utilization.

• It is calculated as the average number of processes that are either in a runnable or uninterruptable state.

• Load average is displayed as three numbers representing the average load over the last 1, 5, and 15 minutes.

• A load average of 1.0 means that the CPU is fully utilized.

• A load...read more
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Q1. Explain DR processes
Ans. 
DR processes refer to the procedures and strategies put in place to ensure business continuity in the event of a disaster.
• DR processes involve identifying critical systems and data that need to be protected

• Creating backup and recovery plans for these critical systems and data

• Testing the backup and recovery plans to ensure they work effectively

• Implementing measures to ensure the availability and accessibility of critica...read more
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Q2. Questions related to Security of Cloud
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