Get premium membership and access questions with answers, video lessons as well as revision papers.
A technique in which data is written to two duplicate disks concurrently to ensure continuous availability. This means installing two disk drives and an equal number of drive controllers such that when the computer writes data on one drive, it automatically writes that data to the other drives and therefore offers synchronized copies on several drives. If one drive fails, the system swaps the failed drive for a new one, ensuring continuity. The problem with mirroring is that if a deletion occurs in one disk, the same will be deleted in the mirror back-up. The disks can be installed on the same machine or over long distance.
Kavungya answered the question on May 17, 2019 at 10:04
- Describe Online Backup.(Solved)
Describe Online Backup.
Date posted: May 17, 2019. Answers (1)
- Define Remote Backup.(Solved)
Define Remote Backup.
Date posted: May 17, 2019. Answers (1)
- Define Offsite Backup.(Solved)
Define Offsite Backup.
Date posted: May 17, 2019. Answers (1)
- Define Full Backup.(Solved)
Define Full Backup.
Date posted: May 17, 2019. Answers (1)
- Define Incremental Backup.(Solved)
Define Incremental Backup.
Date posted: May 17, 2019. Answers (1)
- What is Differential Backup?(Solved)
What is Differential Backup?
Date posted: May 17, 2019. Answers (1)
- Define Local backup.(Solved)
Define Local backup.
Date posted: May 17, 2019. Answers (1)
- Describe the Protection of computers from Power Interruptions.(Solved)
Describe the Protection of computers from Power Interruptions.
Date posted: May 17, 2019. Answers (1)
- What is Biometric authentication?(Solved)
What is Biometric authentication?
Date posted: May 17, 2019. Answers (1)
- Define Token authentication?(Solved)
Define Token authentication?
Date posted: May 17, 2019. Answers (1)
- What is Password authentication?(Solved)
What is Password authentication?
Date posted: May 17, 2019. Answers (1)
- Define Dumpster Diving.(Solved)
Define Dumpster Diving.
Date posted: May 17, 2019. Answers (1)
- What is Wiretapping?(Solved)
What is Wiretapping?
Date posted: May 17, 2019. Answers (1)
- What is Eavesdropping on Emanations?(Solved)
What is Eavesdropping on Emanations?
Date posted: May 17, 2019. Answers (1)
- Describe Denial or Degradation of Service.(Solved)
Describe Denial or Degradation of Service.
Date posted: May 17, 2019. Answers (1)
- Define Masquerading.(Solved)
Define Masquerading.
Date posted: May 17, 2019. Answers (1)
- Define software piracy.(Solved)
Define software piracy.
Date posted: May 17, 2019. Answers (1)
- What is Traffic Analysis?(Solved)
What is Traffic Analysis?
Date posted: May 17, 2019. Answers (1)
- Describe Trap Doors.(Solved)
Describe Trap Doors.
Date posted: May 17, 2019. Answers (1)
- Define Botnets.(Solved)
Define Botnets.
Date posted: May 17, 2019. Answers (1)