R2.2 Optical Media Types Quiz

What is the storage capacity of a standard single-layer DVD?

• 737 MB

• 650 MB

• 25 GB

• 4.7 GB

What does CD-RW stand for?

• Compact Disc Read-Only Memory

• Compact Disc Recordable

• Compact Disc Rewritable

• Compact Disc Read-Write

How much data can a dual-layer DVD-RW DL approximately hold?

• 8.5 GB

• 4.7 GB

• 25 GB

• 50 GB

What type of laser is used in Blu-ray technology?

• Blue laser

• Red laser

• Green laser

• UV laser

What is the approximate data transfer rate of a 4x CD-ROM drive?

• 4.5 MBps

• 600 KBps

• 150 KBps

• 1.35 MBps

Which optical disc type can be rewritten and has a crystalline coating that changes phase?

• DVD-R

• DVD-RW

• BD-RE

• CD-RW

What is the maximum storage capacity of a double-layer Blu-ray disc?

• 500 GB

• 50 GB

• 8.5 GB

• 25 GB

What does DVD-RW DL stand for?

• Digital Video Disc - Recordable Dual Layer

• Digital Video Disc - Rewritable Dual Layer

• Digital Versatile Disc - Recordable Dual Layer

• Digital Versatile Disc - Rewritable Dual Layer

What is the primary use of CD-ROM?

• To record data once

• To store and retrieve data

• To store high-definition video

• To rewrite data

How is data stored on a CD-RW disc?

• Digital bumps

• Optical marks

• Phase shifting media

• Magnetic encoding