ABC Inc. has a host of servers, each serving a different purpose. Almost all of them are critical to the functioning of the business. Most of the servers were virtualized and had backup virtual components. Thus, when the memory of one server crashed in the middle of a busy business day, it did not affect the operations as the server quickly switched to a different virtual memory, which was kept as a backup for this purpose precisely. What is such a feature called?
After learning about the features of PASIS architecture, James decides to implement the same in his startup. After a few months, an earthquake destroyed a few storage nodes in the central server rendering the data in those nodes unreadable. Since James had implemented the PASIS architecture, he was able to recover the data present in the destroyed nodes. Which feature of PASIS architecture allowed James to recover the data?
Zane is a server administrator. While doing the regular maintenance of the servers, she finds out that the Active Directory of one of the servers present in the domain is missing. Which restoration process would help Zane in this scenario given that all the other servers in the domain have their Active Directory intact?
Which of the following techniques verifies that data is safe, secure, and readable after going through processes like update, restore, or retrieve?