5.3 ~ Optical Media

Which Blu-ray standard defines rewritable discs? a. BD-RE b. BD-R/RW c. BD-R d. BD-ROM

a. BD-RE

What are the fundamental differences between a DVD drive and a Blue-ray drive? (Select two.) a. Blu-ray uses a blue laser instead of a red laser b. The Blu-ray laser has a shorter wavelength, which allows data to be packed more tightly on the disc c. Blu-ray drives can read and write d. Blu-ray discs are removable and can be used with other drives e. Blu-ray drives can only handle high definition video files

a. Blu-ray uses a blue laser instead of a red laser b. The Blu-ray laser has a shorter wavelength, which allows data to be packed more tightly on the disc

Which optical media has the greatest storage capacity? a. Single-layer, single-sided Blu-ray Disc b. Dual-layer, single-sided DVD c. Dual-layer, double-sided DVD d. Compact disc

a. Single-layer, single-sided Blu-ray Disc

Annette has purchased a new external DVD drive to use with her PC. She inserts a DVD into the drive and, after several seconds, she receives an error message indicating that the drive is not accessible. What is the FIRST thing Annette should do to try to resolve the issue? a. Wait a few seconds and try accessing the DVD again. b. Eject the DVD from the drive and then re-insert the DVD. c. Unplug the drive from the PC and then plug the drive back in again. d. Check Device Manager to make sure that the DVD drive is listed.

a. Wait a few seconds and try accessing the DVD again.

Which of the following types of Blue-ray Discs can hold up to 100 GB of data? a. Dual-layer b. Triple-layer c. Single-layer d. Quadruple-layer

b. Triple-layer

What is a disadvantage of using a DVD-R DL (Dual Layer) disc over an ordinary DVD? a. A DVD-R DL has to skip across the disc to find the next track. b. A DVD-R DL stores less data. c. A DVD-R DL has slower write speeds. d. A DVD-R DL is not backwards-compatible with a regular DVD player.

c. A DVD-R DL has slower write speeds.

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? a. Open the case and make sure that the DVD drive is connected to the power supply. b. Use Device Manager to make sure the DVD drive is being recognized by the system. c. Make sure the movie player is pointing to the correct drive letter for the DVD drive. d. Eject the DVD disc and re-insert it to make sure the drive is reading the disc properly.

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

Which of the following are optical storage devices? (Select three.) a. SDHC b. USB flash drive c. HDD d. BD e. SSD f. DVD g. CD

d. BD f. DVD g. CD

Which action is recommended to minimize the effect of scratches when wiping a disc to clean it? a. Wipe the disc in a circular motion on the surface. b. Use canned air specifically designed for electronics. c. Use a damp paper towel instead of a microfiber cloth. d. Wipe the disc in straight lines from the center to the edge.

d. Wipe the disc in straight lines from the center to the edge.