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What types of disk arrays provide the MOST fault tolerance?
RAID 6 provides the most fault tolerance of any standard RAID disk arrays (RAID 0, 1 , 5, 6, and RAID 10). If any two disks in a RAID 6 array fail and are removed, then two new blank disks can be installed and no data has been lost. RAID 1+1 or most other "layered" RAID systems can provide more fault tolerance than RAID 6, tolerating the failure of any 3 disks. Some experimental non-standard disk arrays can provide more fault tolerance with less overhead, such as the parchive system. Nearly all distributed file systems and distributed version control systems can be set up so that if one machine is completely destroyed by fire, all the data can be recovered from a backup machine in another building.
Difference between temporal redundancy and spatial redundancy?
The redundancy is nothing but the reduction.The temporal locality is of relating to short time requirements.And the spatial is of relating to over environment.The redundancy occur in the images are of most common,so many techniques applied to overcome this. In image temporal redundancy is of abrupt transitions while in spatial it is of block based transitions.Spatial is applied at minimum cost and temporal is at maximum cost.Threshold values apply to temporal redundancy and the pixel comparison technique applies to spatial redundancy.
Which method is most frequently used for providing fault tolerance to DHCP servers?
A) failover clusteringB) standby serversC) splitting scopes
Why was fault tolerance a major focus of the initial design for the internet?
Fault tolerance was a major focus of the intitial design of the Internet because the serial data connections that formed the backbone of the Internet were noisy and subject to bit errors, both single and burst, because they often used telephone lines, and various techniques were developed to detect/retransmit or detect/correct errors. Data integrity was and is paramount, and most protection is provided at layer four (transport layer), although much work has been done recently to enhance layer 2 (network layer) and layer 1 (physical layer).
What backbone type is the most fault-tolerant?
Parallel Backbone
