The correct answer is D. All of the mentioned.
Security can be set through passwords, kerberos tickets, or certificates. Secure access to your EC2 AMIs is controlled by passwords, kerberos, and 509 certificates. Most of the system image templates that Amazon AWS offers are based on Red Hat Linux.
Passwords are a common way to authenticate users. They are a string of characters that users enter to gain access to a system. Passwords should be strong and unique, and they should be changed regularly.
Kerberos is a network authentication protocol that uses tickets to grant access to resources. Tickets are encrypted and signed, and they are only valid for a limited time. Kerberos is a secure way to authenticate users and grant them access to resources.
Certificates are digital documents that verify the identity of a user or system. Certificates are used in a variety of applications, including secure web browsing, email, and file sharing. Certificates are a secure way to verify the identity of a user or system.
EC2 AMIs are Amazon Machine Images that can be used to create Amazon EC2 instances. AMIs are based on a variety of operating systems, including Red Hat Linux. EC2 AMIs are a convenient way to create and manage Amazon EC2 instances.
Most of the system image templates that Amazon AWS offers are based on Red Hat Linux. Red Hat Linux is a popular open source operating system. It is known for its stability and security. Red Hat Linux is a good choice for businesses and organizations that need a reliable and secure operating system.