7-9. Storage Flashcards
What is the difference between an optical drive and another drive type?
The optical drive uses a laser to write to the disk
What is the approximate amount of data a CD-ROM can store?
650 MB
About how much can a DVD-ROM store for data?
4.7 GB
A dual layer DVD-ROM is exciting why?
Because it can hold up to 17 GB of data
You have a friend that is building a media server for his high texh living room. What type of optical drive might he want?
A Blu-ray
What type of CD allows you to write more than once to the disk?
CD-RW
What type of DVD allows you to write more than once to the DVD?
DVD-RW
What are two types of Blu-ray disks that you can write data to?
BD-R and BD-RE
Name four common RPMs of mechanical disk drives.
5,400; 7,200; 10,000; and 15,000
You can slide out your disk drive from your PC without impacting the operation of the device. What is this called?
Hot Swappable
What type of newer hard drive features much higher speeds with no moving parts?
SSD
What type of SATA is used for external connectivity?
eSATA
Name four common connection types for external storage.
USB, FireWire, eSATA, Ethernet
Name three common connection types for internal hard drives.
SATA, IDE, SCSI
What is the common name for RAID 0?
Disk striping
What is the common name for RAID 1?
Disk mirroring
What is a common name for RAID 5?
Striping with parity
How many disks do you need for RAID 5?
Three
What is another name for RAID 10?
RAID 1+0
What is the minimum number of drives for RAID 10?
4 and the number of drives must be even
What are tape drives often used for?
Backup
Of the optical disk types - what is the smallest capacity and what is the largest?
CD to dual layer DVD
