Data Storage and Databases
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1
What is local storage?
Storing data directly on a device or locally connected storage device.
2
What is cloud storage?
Storing data on remote servers accessed through an internet connection.
3
What is the difference between local and cloud storage?
Local storage keeps data on physical devices while cloud storage keeps data on remote servers.
4
What is a database?
An organized collection of information that can be stored searched and managed.
5
What is a database table?
A structure that organizes related data into rows and columns.
6
What is a database record?
A single row in a database table representing one entry.
7
What is a database field?
A column in a database table representing a particular type of information.
8
What is a primary key?
A field or combination of fields that uniquely identifies each record in a database table.
9
What is a data breach?
An incident in which sensitive or protected information is accessed or disclosed without authorization.
10
What is personally identifiable information?
Information that can identify an individual such as a name address or Social Security number.
11
What is disaster recovery?
The process of restoring systems and data after a major failure or disruptive event.
12
What is a full backup?
A backup that copies all selected data.
13
What is an incremental backup?
A backup that copies data changed since the most recent backup of any type.
14
What is a differential backup?
A backup that copies data changed since the last full backup.
15
What is the difference between RTO and RPO?
RTO measures acceptable downtime while RPO measures acceptable data loss measured in time.
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