In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

You are the administrator of Windows 2000 Server computer. Your computer has a span volume that consists of areas on three physical hard disks on the server. The three disks support hot swapping. You regularly backup the span volume by using windows backup. One of the disk fail, you replace the disk with a new un-partitioned disk. You want to recover the span volume and disk data as soon as possible. What should you do?

A

Extend the span volume to include the new disk, rescan the disk

B

Extend the span volume to include the new disk, shut down and restart the server, use windows backup to restore the data

C

Re scan the disk, format the span volume. Use windows back up to restore the data

D

Re scan the disk, extend the span volume to include the new disk. Shut down and restart the server, use windows backup to restore the new data

E

Re scan the disk, remove the span volume and create a new span volume that includes the new disk. Format the span volume, use Windows back up to restore the data

You install your boot volume on volume C on your Windows 2000 Server computer. You mirror volume C on dynamic Disk 1. Two years later, during routine server maintenance, you open Disk Management and find that the status of volume C is Failed Redundancy. The status of Disk 1 is Missing. You attempt to reactivate Disk 1, but the status of volume C does not return to Healthy. What should you do next?

A

Replace Disk 1 and restart the computer. The mirror will automatically regenerate

B

Remove the mirror on Disk 1, replace the disk, and then add back the mirror to the new Disk 1

C

Replace Disk 1 and copy all data from volume C to a new NTFS primary partition on the new Disk 1. Restart the computer

D

Rescan the disks, remove the mirror, and delete the data on Disk 1. Then re-create the mirror

E

None of above

Your Windows 2000 Server computer contains a stripe set with parity on a four-disk array. You convert the stripe set with parity to a dynamic RAID-5 volume. Six months later, users report that disk access on the server is slower than it had been on the previous day, You use Disk Management and discover that the status of the third disk in the array is Missing. You want to recover the failed RAID-5 volume. What should you do first?

A

Replace the third disk and restart the server. Use disk Management to repair the volume

B

Ensure that the third disk is attached to the server and has power. Use Disk Management to reactivate the disk

C

Ensure that the third disk is attached to the server and has power. Use Disk Management to repair the volume

D

Install a new disk and create a single extended partition on the new disk. Restart the computer and allow Windows 2000 to automatically repair the volume on the extended partition

E

None of above

Your Windows 2000 Server computer contains a stripe set with parity on a four-disk array. You convert the stripe set with parity to a dynamic RAID-5 volume. Six months later, users report that disk access on the server is slower than it had been on the previous day. You use Disk Management and discover that the status of the third disk in the array is missing. You want to recover the failed RAID-5 volume. What should you do first?

A

Replace the third disk and restart the server. Use Disk Management to repair the volume

B

Ensure that the third disk is attached to the server and has power. Use Disk Management to reactivate the disk

C

Ensure that the third disk is attached to the server and has power. Use Disk Management to repair the volume

D

Install a new disk and create a single extended partition on the new disk. Restart the computer and allow Windows 2000 to automatically repair the volume on the extended partition

E

None of above

A certain hard disk has a data transfer rate of 20 MB/sec. How much time is required to transfer 5 megabyte data from this disk to memory?

A

20 sec.

B

1 sec.

C

0.5 sec.

D

0.25 sec.

Hard disk এর পিছনের জাম্পার সেটিং ঠিক না থাকলে যে সমস্যা হয় -i. সফটওয়্যার install করা যায় নাii. Boot disk failureiii. Hard disk not found দেখায়নিচের কোনটি সঠিক?

A

i ও ii

B

i ও iii

C

ii ও iii

D

i, ii ও iii

You install and run a third-party 32-bit application named Application on your Windows 2000 Server computer. After several days, the application stops responding. You open Task Manager and find that the CPU usage is at 100 percent. The normal range of CPU usage on the server is from 20 percent to 30 percent You end the application. However, you see that the CPU on the server is still at 100 percent. Task Manager shows no other applications running. You then examine the Processes page in Task Manager and confirm that the Application.exe process is no longer running. You want to return the CPU usage to its normal range. What should you do?

A

Use Computer Management to stop and restart the Server service

B

Use Computer Management to stop and restart the Workstation service

C

Use Task Manager to end any related child processes

D

Use Task Manager to end and automatically restart the Explorer.exe process

E

None of above

What type of commands are individual programs kept, as separate files on the hard disk (DOS diskette)?

A

External

B

Internal

C

Change

D

File

E

None of the above

Which of the following statements are true?
Statement I Big data refers to no precise quantity, but generally refers to data in the range of Petabytes and Exabyte, i.e. billions to trillions of records, all from various sources. Big data is generated much faster. than traditional data in much larger quantities.
Statement II Big data interests industries because they are able to learn more patterns and curious variances than smaller data sets, with the capability to provide valuable insights into consumer behaviour, weather systems, financial market activity, or other phenomena.
Statement III Various departments and product lines use various applications within most organisations and store data in separate datasets. These separate databases may contain similar data, but data from one data base to another is not always consistent. This is called data silo.

A

Both statements I and II

B

Both statements II and III

C

Both statements I and III

D

All of the above

A solid cast iron disk of mass 1000kg is rotating at 350rpm. Diameter of the disk is 1m and time taken to come to stop the disk by brake is 1.6sec.Square of radius of gyration is 0.2. Calculate the angle through which disk rotated during braking period.

A

27.5rad

B

24.6rad

C

29.3rad

D

32.4rad

In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

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