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sweet [91]
3 years ago
11

Businesses sometimes achieve uninterruptible service by using a technology known as ____ to keep a mirror copy of all their data

.
a) RFID
b) RAID
c) WPA
d) OnTrack
Computers and Technology
1 answer:
crimeas [40]3 years ago
6 0

Answer:

Option b is the correct answer for the above question.

Explanation:

RAID is a data storage technology that is used to store the data virtually. It keeps a copy of all data so that the data can be recover when it lost from the physical storage. Generally, logical storage is also physical for the computer system. It means that the disk is divided into two parts some parts of the system are physical and some are logical.

The question asked about the technology which solves the problem of interrupting the service. The technology can be RAID as described above . hence Option b is the correct answer while other is not because--

  • Option 'a' states about RFID technology which use in an electromagnetic field.
  • Option c states about WPA which is a protection mechanism.
  • Option d states about OnTrack which is not a technology.
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You notice that lately your computer has been running slow. When you open up your web browser, you get endless pop-up ads to the
Vlad [161]

Answer:

Spyware

Explanation:

The reason why you noticed your computer has been running slow is because of spyware, which is considered to be very bad to get on your computer. When a user opens his/her web browser, the user receives ads that are misleading to the user, which fools the user of thinking it's something real and not a scam. Not only that, the user also receives pop-up ads that can, as mentioned, trick the user to think that it's real and not fake. Finally, the user's search results will be manipulated. In conclusion, spyware is, in fact, the main cause of the scenario.

4 0
3 years ago
• What is the difference between primary storage, secondary storage, and off-line storage
sergiy2304 [10]


Primary storage refers to your RAM it is internal storage.

Secondary storage is any storage that is not the primary storage that permanently stores data. Examples are hard drive, tape disk drive, floppy disk drive  and compact disk drive. 

Off-line storage refers to any device that stores data that is not permanently attached to the computer. Example flash drives, The data remains on the storage device and can be connected to a different computer. 

3 0
3 years ago
Examine the exhibit above. "Device A" is an 8-port layer 2 managed switch and "Device C" is a 4-port hub. Which of the following
Harlamova29_29 [7]

Answer:

Device B is Router.

Explanation:

Router is the device that is used to connect different networks to communicate with each other to make possible for all devices of all networks to communicate with each other that are connected to that particular network.

In above case, Device A is 8 port switch that makes a network of 8 different computers. Device C is a 4 port hub that is connected with 4 computers. Both Device A and Device C are different Networks, router is used to connect both all devices of both networks so that they can communicate each other. So the Device B should be router.

6 0
3 years ago
Elena is used to kissing her friends on both cheeks as a form of greeting in her native country. She notices that her new friend
Veseljchak [2.6K]

Answer:

c. Norms.

Explanation:

When Elena noticed her friend getting uncomfortable when she kisses him on the cheeks as a form of greeting she was violating his norms.

Norms are something that is standard or typical.

In USA there they not used to kiss on the cheeks to greet their friends there would be some other norm of greeting someone.

5 0
3 years ago
The name of a .java file should ______________________________. Always match the name of the Class inside Should always start wi
natita [175]

Answer:

The name of a .java file should <u>always match the name of the class inside.</u>

Explanation:

In Java programming the program written in code editor is first saved with .java extension. The name of this .java file should be same as that of  the class declared inside the file.

This .java file is then compiled and  converted to .class file which contains the java bytecode. This bytecode can then be executed by java virtual machine(JVM).

However it is not always necessary that name of .java files should be same as that of class inside it. The name should be same only when the class inside is declared as public.

In case it is not declared as public one can name .java file different than the actual class name.  

7 0
3 years ago
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