Answer:
Explanation:
Punch card is the oldest computer storage; followed by tape and then floppy disk. Hard drive goes back as far as floppy but is still in use today. CD/DVD/BR discs are all later storage but are also used for storing music and videos. USB flash, SD card, SSD and cloud storage are the common technologies used today for data storage.
Cellular phones have had a major impact on our lives and the way that we perform every day tasks. Many of these changes are apparent, while others we may not even be aware of.
Cell phones have brought a whole new meaning to the term multitasking. Twenty years ago, it was not possible to talk to the office while you were at the grocery store picking up some necessary items. You could never have had a three-way business conference while you were fixing dinner or been able to deal with a business client from home while caring for a sick child.
An isolated networking space or sub-network that is isolated from the rest of the organization's connected footprint using logical or physical blocks to enable access to untrusted connections in a safe environment is referred to as a demilitarized zone (DMZ).
Demilitarized zones are secluded network areas that provide as a secure link between proprietary and non-proprietary networks within an organization's perimeter. It stops unauthorized traffic from entering the internal local area network of a business. A demilitarized zone (DMZ) is a region where warring parties have agreed to put their differences aside in order to create peace. An example of a DMZ is the little sliver of territory that divides North and South Korea on the Korean Peninsula.
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