Hosting VPS & Cloud Hosting 2 — Questions and Answers
Question 1: What is the key difference between managed and unmanaged VPS hosting?
- Managed VPS costs less
- Unmanaged VPS includes OS updates and support from the host
- Managed VPS includes server maintenance and support from the host (Correct answer)
- There is no difference
Correct answer: Managed VPS includes server maintenance and support from the host
Managed VPS hosting includes server maintenance, security patches, and technical support from the hosting provider, while unmanaged requires the user to handle these tasks.
Question 2: What is vertical scaling in cloud hosting?
- Adding more servers to a cluster
- Increasing resources (CPU/RAM) on an existing server (Correct answer)
- Distributing traffic across regions
- Replicating data to multiple nodes
Correct answer: Increasing resources (CPU/RAM) on an existing server
Vertical scaling means increasing the resources such as CPU and RAM on a single existing server, as opposed to horizontal scaling which adds more servers.
Question 3: Which protocol is primarily used to securely access a Linux VPS command line?
- FTP
- RDP
- SSH (Correct answer)
- HTTP
Correct answer: SSH
SSH (Secure Shell) is the standard protocol used to securely connect to and manage a Linux VPS via the command line.
Question 4: What is a snapshot in the context of VPS/cloud hosting?
- A screenshot of the server dashboard
- A point-in-time backup image of a server's disk state (Correct answer)
- A real-time performance report
- A copy of the server's access logs
Correct answer: A point-in-time backup image of a server's disk state
A snapshot is a point-in-time disk image of a VPS or cloud instance, allowing you to restore the server to that exact state if needed.
Question 5: In AWS terminology, what is an 'AMI'?
- Advanced Managed Instance
- Amazon Machine Image (Correct answer)
- Automated Migration Interface
- Application Memory Index
Correct answer: Amazon Machine Image
An AMI (Amazon Machine Image) is a pre-configured template containing the OS and software needed to launch an EC2 instance in AWS.
Question 6: What does 'SLA' stand for in cloud hosting agreements?
- Server Load Average
- Service Level Agreement (Correct answer)
- Secure Login Access
- System Log Archive
Correct answer: Service Level Agreement
SLA stands for Service Level Agreement, a contract that defines the guaranteed uptime percentage and support response times a hosting provider commits to.
What is the key difference between managed and unmanaged VPS hosting?