COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK SECURITY AND CYBERSECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a snapshot?
A
A saved version of the system in its current state.
B
A snipped photo of the system in its current state.
C
A past version of a system.
D
The ability to quickly deploy resources when needed.
Explanation: 

Detailed explanation-1: -A snapshot is a read-only copy of the current state of one or more of the following lists that reside in system memory: processes, threads, modules, and heaps. Processes that use tool help functions access these lists from snapshots instead of directly from the operating system.

Detailed explanation-2: -A snapshot preserves the state and data of a virtual machine at a specific point in time. The state includes the virtual machine’s power state (for example, powered-on, powered-off, suspended). The data includes all of the files that make up the virtual machine.

Detailed explanation-3: -A point-in-time snapshot is a copy of a storage volume, file or database as they appeared at a given point in time and are used as method of data protection. In the event of a failure, users can restore their data from the most recent snapshot before the failure.

Detailed explanation-4: -Snapshots are a central part of the Google Cloud Backup architecture-they allow you to create a point-in-time backup of a persistent disk attached to a virtual machine instance, and save it to Google Cloud Storage. You can also rapidly restore a snapshot to a persistent disk.

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