1. Difference between HTTP and HTTPS (SSL concept) 2. NAT instance and Gateway concept 3. VPC, Security groups, NACLs, Peering concept (might ask to share screen and establish peering connection) 4. Subnet concept 5. S3 storage types (multi-part upload concept) 5. explain five cloudwatch alarms 6. Linux basic administration questions 6. Elastic Bean Stalk basic explain

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Cloud Administrator interview questions covering various AWS concepts and Linux administration.

HTTP is unsecured while HTTPS uses SSL/TLS encryption for secure communication
NAT instance allows instances in a private subnet to access the internet while Gateway is used for VPN connections
VPC is a virtual network while Security groups and NACLs are used for network security. Peering connects VPCs
Subnet is a range of IP addresses in a VPC. It can be public or private
S3 storage types include Standard, Infrequent Access, and Glacier. Multi-part upload is used for large files
CloudWatch alarms can be based on metrics like CPU utilization, network traffic, and disk usage
Linux administration questions may cover topics like user management, file permissions, and package management
Elastic Beanstalk is a PaaS service that simplifies deployment of web applications