5.3.5 Practice Questions, A Perfect Review (TestOut, L1 CIT)

Which Blu-ray standard defines rewritable discs?

• BD-R

• BD-RE

• BD-ROM

• BD-R/RW

Which optical media has the greatest storage capacity?

• Compact disc

• Dual-layer, single-sided DVD

• Dual-layer, double-sided DVD

• Single-layer, single-sided Blu-ray Disc

What is a disadvantage of using a DVD-R DL (Dual Layer) disc over an ordinary DVD?

• A DVD-R DL has slower write speeds.

• A DVD-R DL has to skip across the disc to find the next track.

• A DVD-R DL is not backwards-compatible with a regular DVD player.

• A DVD-R DL stores less data.

What are the fundamental differences between a DVD drive and a Blue-ray drive? (Select two.)

• Blue-ray discs are removable and can be used with other drives.

• Blu-ray uses a blue laser instead of a red laser.

• Blue-ray drives can only handle high definition video files.

• The Blu-ray laser has a shorter wavelength, which allows data to be packed more tightly on the disc.

• Blu-ray drives can read and write.

Jared has just installed an additional HDD on his Windows computer for storing multimedia files. He inserts a DVD disc to watch a movie with his usual movie player software, but the movie fails to play. In fact, the player indicates that there is no DVD drive available.

What is the BEST first step that Jared should take to resolve the issue?

• Make sure the movie player is pointing to the correct drive letter for the DVD drive.

• Eject the DVD disc and re-insert it to make sure the drive is reading the disc properly.

• Use Device Manager to make sure the DVD drive is being recognized by the system.

• Open the case and make sure that the DVD drive is connected to the power supply.

Question 6A:

Match each label on the left with the correct characteristics on the right.

First developed to store digital music. Later, it was adapted to store digital computer data.

• Compact Disc (CD)

• Compact Disc-ReWritable (CD-RW)

• Digital Versatile Disc (DVD)

• Digital Versatile Disc-ReWritable (DVD-RW)

• Blu-ray Disc-Recordable (BD-RE)

Question 6B:

Can be written, read many times, erased, and rewritten. It has a capacity of about 650 MB.

• Compact Disc (CD)

• Compact Disc-ReWritable (CD-RW)

• Digital Versatile Disc (DVD)

• Digital Versatile Disc-ReWritable (DVD-RW)

• Blu-ray Disc-Recordable (BD-RE)

Question 6C:

Single-sided discs can hold about 4.7 GB of data. Dual-layer discs can hold up to 8.5 GB of data.

• Compact Disc (CD)

• Compact Disc-ReWritable (CD-RW)

• Digital Versatile Disc (DVD)

• Digital Versatile Disc-ReWritable (DVD-RW)

• Blu-ray Disc-Recordable (BD-RE)

Question 6D:

Dual-layer version employs two recordable dye layers, each capable of storing data.

• Compact Disc (CD)

• Compact Disc-ReWritable (CD-RW)

• Digital Versatile Disc (DVD)

• Digital Versatile Disc-ReWritable (DVD-RW)

• Blu-ray Disc-Recordable (BD-RE)

Question 6E:

Uses blue laser light, which has a short wavelength, allowing data to be packed more tightly onto the disc.

• Compact Disc-ReWritable (CD-RW)

• Digital Versatile Disc (DVD)

• Digital Versatile Disc-ReWritable (DVD-RW)

• Blu-ray Disc-Recordable (BD-RE)

• Blu-ray Disc (BD)