IKM Information Technology 2

Question 1

Which RAID level provides disk mirroring without striping?

Accepted Answer

RAID 1

Answer

RAID 1 creates an exact copy (mirror) of data on two or more disks, providing redundancy without striping.

Question 2

What is the primary purpose of a DMZ in network architecture?

Accepted Answer

To provide a buffer zone between the internal network and the internet

Answer

A DMZ is a perimeter network segment that sits between an organization's internal network and the untrusted external network.

Question 3

Which protocol operates at Layer 4 of the OSI model and provides reliable ordered delivery?

Accepted Answer

TCP

Answer

TCP operates at the Transport layer (Layer 4) and ensures reliable, ordered data delivery through acknowledgments and retransmissions.

Question 4

What does SLA stand for in IT service management?

Accepted Answer

Service Level Agreement

Answer

A Service Level Agreement defines the level of service expected by a customer from a supplier, including metrics for measuring service quality.

Question 5

Which virtualization type runs directly on hardware without a host operating system?

Accepted Answer

Type 1 hypervisor

Answer

A Type 1 (bare-metal) hypervisor runs directly on the physical hardware without requiring a host OS.

IKM - International Knowledge Measurement Practice Test