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A+ 901 > Hard Drive Technologies > Flashcards

Hard Drive Technologies Flashcards

1
Q

Another name for PATA drives

A

IDE ( Integrated Drive Electronics)

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2
Q

Max cable length for PATA

A

18 inches

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3
Q

Max cable length for SATA

A

1 meter (40 inches)

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4
Q

Max cable length for eSATA

A

2 meters

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5
Q

Throughput for SATA 1.0 (Advertised/actual)

A

1.5 Gbps/150 MBps

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6
Q

Throughput for SATA 2.0 (Advertised/actual)

A

3 Gbps/300 MBps

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7
Q

Throughput for SATA 3.0 (Advertised/actual)

A

6 Gbps/600 MBps

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8
Q

Throughput for SATA 3.2 also known as SATAe

A

up to 16 Gbps

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9
Q

If AHCI is not enabled how do you make a new drive appear in Windows Vista?

A

Go to Control Panel and run Add New Hardware Wizard

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10
Q

If AHCI is not enabled how do you make a new drive appear in Windows 7 and later?

A

Run hdwwiz.exe from the start menu or run Disk Management console and run Rescan Disks under the Action menu

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11
Q

Which of the following is a common spindle speed for an HDD?

A. 5200
B. 7200
C. 9200
D. Not applicable. HDDs have no moving parts

A

B. 7200

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12
Q

Which form factor connects directly to a dedicated motherboard socket?

A. 2.5-inch SSD
B. 3.5-inch SSD
C. M.2 SSD
D. eSATA SSD

A

C. M.2 SSD

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13
Q

How many PATA drives can you have on a system with two PATA hard drive controllers?

A. 1
B. 2
C. 3
D. 4

A

D. 4

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14
Q

How do you differentiate two PATA drives on the same cable?

A. The flat ribbon cable has a seven-wire twist that determines which is which
B. You set jumpers on the individual drives to determine which is master and which is slave
C. The PATA controller determines the hierarchy
D. Both drives are considered equal

A

B. You set jumpers on the individual drives to determine which is master and which is slave

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15
Q

What happens if you cable a PATA hard drive incorrectly?

A. You can destroy that hard drive
B. The data will be erased, but the hard drive will be okay
C. The system will not be able to communicate with that hard drive
D. Nothing. It doesn’t matter how the cable is set up; it doesn’t have the seven-wire twist

A

C. The system will not be able to communicate with that hard drive

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16
Q

What is the maximum cable length of an internal SATA device?

A. 2 meters
B. 12 inches
C. 18 inches
D. 1 meter

A

D. 1 meter

17
Q

What is the maximum number of SATA drives you can have on a system?

A. One master, one slave
B. Two, with no master/slave distinction
C. Eight
D. There is no maximum other than the limitation of your motherboard

A

D. There is no maximum other than the limitation of your motherboard

18
Q

Which SATA version offers the least overhead (and thus best performance)?

A. AHCI
B. SATA 2.0
C. PATA 3.0
D. SATAe

A

D. SATAe

19
Q

Which standard supports magnetic SATA drives the most efficiently?

A. AHCI
B. CMOS
C. SATA-IO
D. SATA 3.2

A

A. AHCI

20
Q

Which RAID standard requires at least four drives?

A. RAID 1
B. RAID 4
C. RAID 5
D. RAID 10

A

D. RAID 10

21
Q

RAID 0 Minimum Drives

A

2

22
Q

RAID 1 Minimum Drives

A

2

23
Q

RAID 5 Minimum Drives

A

3

24
Q

RAID 6 Minimum Drives

A

5

25
Q

RAID 10 Minimum Drives

A

4

26
Q

RAID 0+1 Minimum Drives

A

4

27
Q

RAID 0 Number of Functional Failures (Fault Tolerance)

A

0

28
Q

RAID 1 Number of Functional Failures (Fault Tolerance)

A

1

29
Q

RAID 5 Number of Functional Failures (Fault Tolerance)

A

1

30
Q

RAID 6 Number of Functional Failures (Fault Tolerance)

A

2

31
Q

RAID 10 Number of Functional Failures (Fault Tolerance)

A

Up to 2

32
Q

RAID 0+1 Number of Functional Failures (Fault Tolerance)

A

Up to 2

33
Q

Name for RAID 0

A

Disk Striping

34
Q

Name for RAID 1

A

Disk Mirroring or Duplexing if a RAID controller used for each Hard Drive

35
Q

Name for RAID 5

A

Disk Striping with Distributed Parity

36
Q

Name for RAID 6

A

Disk Striping with Extra Parity

37
Q

Name for RAID 10

A

Nested, Striped Mirrors

38
Q

Name for RAID 0+1

A

Nested Mirrored Stripes

A+ 901 (15 decks)

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