Virtualization and Containerization

Question 1

What does Virtualization do?

Answer 1

Technology that allows the emulation (imitation) of servers within a virtual machine

Question 2

What does Containerization do?

Answer 2

Lightweight alternative, that isolates apps and its dependencies into a single container

Question 3

What is the Hypervisor Type 1 (Bare Metal)?

Answer 3

Runs directly on hardware (e.g., Hyper-V, XenServer, ESXi)

Question 4

What is the Hypervisor Type 2 (Hosted)?

Answer 4

Operates within a standard Operating System (e.g., VirtualBox, VMware)

Question 5

What is the Virtual Machine (VM) Escape?

Answer 5

Attackers break out of isolated VMs to access the hypervisor

Question 6

What is the Privilege Elevation?

Answer 6

Unauthorized user is elevated as a higher-level user

Question 7

What is the Live VM Migration?

Answer 7

Attacker captures unencrypted data between servers, when a virtual machine moves from one physical server to another

Question 8

What is the Resource Reuse?

Answer 8

Improper clearing of resources may expose sensitive data