IKM Information Technology 3

Question 1

Which backup strategy copies all files changed since the last full backup?

Accepted Answer

Differential backup

Answer

A differential backup copies all files changed since the last full backup, growing larger each day until the next full backup.

Question 2

What is the purpose of a load balancer in web application architecture?

Accepted Answer

To distribute incoming traffic across multiple servers

Answer

A load balancer distributes incoming network traffic across multiple servers to ensure no single server is overwhelmed.

Question 3

Which technology allows multiple virtual networks to share the same physical infrastructure?

Accepted Answer

VLAN

Answer

VLANs logically segment a physical network into multiple isolated broadcast domains.

Question 4

What is the key difference between IaaS and PaaS cloud models?

Accepted Answer

IaaS provides infrastructure while PaaS provides a development platform

Answer

IaaS provides virtualized computing resources while PaaS provides a complete platform including runtime and development tools.

Question 5

Which IT governance framework focuses on IT audit and control objectives?

Accepted Answer

COBIT

Answer

COBIT is a framework developed by ISACA specifically for IT governance, management, and audit.

IKM - International Knowledge Measurement Practice Test