CertiGuide to A+ (Core Hardware)  9  Chapter 0101:  SCSI

XI  Summary 1 XIII  Chapter 0101: Test for Success Answers

(Click here to see answers with explanations.)

1. The maximum number of devices, not including the SCSI controller for SCSI 1 would be:

A. 2

B. 5

C. 6

D. 7

2. A LUN is used to:

A. Provide communication between two SCSI controllers

B. Sub-divide a single SCSI ID

C. Is a ‘guard-band’ frequency allocation between SCSI devices?

D. To Identify if termination is functioning

3. If a SCSI device is said to be Wide is operates at:

A. 10Mb/s

B. 10MB/s

C. 5MB/s

D. 5Mb/s

4. True or False. The DB-25 connector is widely used, however is not official.

A. True

B. False

5. Installing LVD SCSI on a Differential SCSI chain could:

A. Improve data access times

B. Require changing the terminator

C. Operate normally

D. Destroy the LVD device

6. If a jumper set were set to On/Off/On, the ID setting would be:

A. 3

B. 4

C. 5

D. 6

7. Active termination is required for:

A. SCSI 1

B. SCSI 2

C. Ultra SCSI

D. All choices are correct

8. Tag Command Queuing was introduced with:

A. SCSI

B. SCSI 2

C. Ultra SCSI

D. All choices are correct

9. You have been assigned the task of adding external SCSI drive to an existing server that has functioning SCSI drives operating internally. After installing the external drives, you cannot see them when you power up the server. You know they have power because you can hear them spin up. What is the most likely source of the challenge?

A. External termination is incorrect

B. Internal termination exists on the SCSI controller

C. The internal drives must be disabled

D. All choices are correct

10. The default SCSI ID for a SCSI controller is:

A. 0

B. 1

C. 6

D. 7

11. The default SCSI ID for a SCSI drive containing a bootable Operating System is:

A. 0

B. 1

C. 6

D. 7

12. A SCSI SCA connector has (select all that apply):

A. Power

B. Data

C. Termination

D. LUN

13. SCSI can be found as both 8-bit and 16 bit in what ranges of throughput:

A. 10MB to 160MB

B. 20MB to 160MB

C. 20MB to 320MB

D. 5MB to 80MB

14. Maximum distance of Fast SCSI using a Single Ended drive is:

A. 1 Meter

B. 1.5 Meters

C. 3 Meters

D. 5 Meters

15. All Ultra SCSI specification use differential SCSI:

A. True

B. False

16. LVD/MSE is a:

A. Proposed Standard

B. Multimode Specification

C. Both choices are correct

D. Neither choice is correct

17. Cable for SE and LVD are keyed differently to avoid damage:

A. True

B. False

18. Using LVD/MSE overcomes the distance limitations of an SE drive:

A. True

B. False

19. If when reading a SCSI specification, the word Wide is not mentioned, the assumption is:

A. Ultra

B. Narrow

C. Single Ended

D. Ultra 2

20. Wide SCSI works ____ bits at a time:

A. 8

B. 16

C. 32

D. 64

XI  Summary 1 XIII  Chapter 0101: Test for Success Answers