Cloud

Question 1

Three common available levels of service provided by cloud providers

Answer 1

Infrastructure as a service (IaaS)
—–Example: Linux server hosting

Platform as a service (PaaS)
—–Example: Web service hosting

Software as a service (SaaS)
—–Example: web mail

Question 2

What is Infrastructure as a service (IaaS)

Answer 2

Provides an entire virtualized OS, which the customer configures from the OS on up

Question 3

What is Platform as a service (PaaS)

Answer 3

provides a preconfigured OS and the customer configures the application

Question 4

What is Software as a service (SaaS)

Answer 4

completely configured from the OS tot he application, and the customer simply uses the application

Question 5

What are some of the security concerns for cloud providers?

Answer 5

strict service-level agreements

understanding where the data is actually hosted and actually stored

many vendors offer preconfigured system images, which may introduce risks via insecure configurations.