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NACL and Security Hub are both AWS services, but they serve different purposes.
NACL (Network Access Control List) is a firewall that controls inbound and outbound traffic at the subnet level.
Security Hub is a security service that provides a comprehensive view of security alerts and compliance status across AWS accounts.
NACL operates at the network layer (Layer 3) of the OSI model, while Security Hub operates at the ap...
Network Load Balancer operates at the transport layer and Application Load Balancer operates at the application layer.
Network Load Balancer is used for handling high traffic and provides low latency.
Application Load Balancer is used for routing HTTP/HTTPS traffic and provides advanced routing features.
Network Load Balancer supports TCP, UDP, and TLS protocols while Application Load Balancer supports HTTP/HTTPS protocol...
There are several types of firewalls and security measures to protect web exposed applications.
Network firewalls
Web application firewalls
Intrusion detection and prevention systems
SSL/TLS encryption
Access control lists
Security information and event management
Regular security audits and vulnerability assessments
Our CI/CD pipeline is automated using Jenkins and AWS CodePipeline.
We use Jenkins to build and test our code.
We use AWS CodePipeline to deploy our code to different environments.
We have automated testing and quality checks in place to ensure code quality.
We use Git for version control and pull requests for code reviews.
We have a separate staging environment for testing before deploying to production.
Autoscaling groups can be implemented with load balancer by configuring the autoscaling group to use the load balancer as its target group.
Create a load balancer and target group
Create an autoscaling group and configure it to use the load balancer target group
Set up scaling policies and thresholds for the autoscaling group
Test the autoscaling group by simulating traffic to trigger scaling events
What people are saying about TCS
I applied via Job Portal and was interviewed in Aug 2024. There was 1 interview round.
I have experience using a variety of AWS services including EC2, S3, RDS, IAM, CloudWatch, and Lambda.
EC2 (Elastic Compute Cloud) for scalable virtual servers
S3 (Simple Storage Service) for object storage
RDS (Relational Database Service) for managed databases
IAM (Identity and Access Management) for user permissions
CloudWatch for monitoring and logging
Lambda for serverless computing
CI/CD is a software development practice that involves continuous integration and continuous delivery/deployment.
Continuous Integration (CI) involves automatically building and testing code changes frequently.
Continuous Delivery (CD) involves automatically deploying code changes to production.
CI/CD helps in reducing manual errors, improving code quality, and increasing deployment frequency.
Popular tools for CI/CD inclu
I was interviewed in Jan 2025.
A standardized exam that measure a person skill, abilities and potential to success in a particular role of fields
I was interviewed in Aug 2024.
posted on 19 Dec 2024
I applied via campus placement at NBKR Institute of Science and Technology, Vidyanagar and was interviewed in Nov 2024. There were 4 interview rounds.
It was about an aptitude test which is on English grammar and athematic reasoning.
The Fibonacci series can be applied to alphabets, and the same should be printed.
Print numbers in descending order 123456
Create an array of strings containing the numbers 1 to 6
Sort the array in descending order
Print the sorted array
I am choosing your organization because of its reputation for innovation, strong company culture, and opportunities for growth.
Reputation for innovation in the industry
Strong company culture that values employee development
Opportunities for growth and advancement within the organization
Yes, I am open to relocation for the right opportunity.
I am willing to relocate for the right job opportunity that aligns with my career goals.
I am open to exploring new locations and experiencing different cultures.
I understand that relocation may be necessary for career advancement and personal growth.
Yes, I am comfortable with rotational shifts as I have prior experience working in such shifts.
I have previous experience working in rotational shifts at my previous job.
I am adaptable and can easily adjust my schedule to accommodate rotational shifts.
I understand the importance of being available during different shifts to ensure smooth operations.
I am willing to work in rotational shifts to support the team and meet
I applied via Job Portal and was interviewed in Sep 2024. There was 1 interview round.
I applied via Approached by Company and was interviewed in Nov 2024. There was 1 interview round.
Grant SFTP access exclusively to user David
Create a new group specifically for David, e.g. 'davidgroup'
Set the ChrootDirectory in the SSH configuration file to restrict David's access to a specific directory
Add David to the 'davidgroup' and configure the necessary permissions for SFTP access
To lock a user out after 6 unsuccessful password attempts for 30 minutes, modify the PAM configuration file.
Edit the PAM configuration file (/etc/pam.d/common-auth) to include the 'pam_tally2' module.
Set the 'deny' option in the 'pam_tally2' module to lock the user out after 6 failed attempts.
Specify the 'unlock_time' option in the 'pam_tally2' module to set the duration of the lockout period to 30 minutes.
Example: aut
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...
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