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Sergio [31]
3 years ago
12

Explain the following terms: a) Atomicity b) DML

Computers and Technology
1 answer:
GenaCL600 [577]3 years ago
6 0

Answer:

a) Atomicity:- It is among the one of the ACID properties of transactions.It states that an atomic transaction is irreducible and indivisible series of data operations such that either nothing occurs or all occurs.

b) DML(Data Manipulation Language):- It is a computer programming language that is used for inserting,deleting,manipulating data in the database.For example -SQL.

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Which option describes the purpose of configuring native supplicant profile on the cisco ise?
Ulleksa [173]

The best option describes the purpose of configuring Native Supplicant Profile on the Cisco ISE is it enforces the use of MSCHAPv2 or EAP-TLS for 802.1X authentication.

8 0
3 years ago
What is the purpose behind the Three Phase Commit? It improves upon the two phased commit by requiring that locks be acquired at
Ray Of Light [21]
The answer is a) It improves upon the two-phased commit by requiring that locks be acquired at the start of a transaction.

Reason: The 3PC is an extension or you can say developed from 2PC that avoids blocking of an operation. It just ensures that first n sites have intended to commit a transaction that means it acquires commits or locks before the start of any transaction to avoid any blocking.

Option b) is wrong as it does not allow coordination, it just let all the other sites do their transaction if any other site is blocked, so no coordination is there between sites that they will wait till their coordinator is corrected.

Option c) is wrong as lock operations are shared between other connections as when their coordinator fails, the new coordinator agrees to the old coordinator that they had shared locks before and they can start their transaction.

Option d) is wrong as option a) is correct.

If you like the answer, please upvote.
4 0
2 years ago
What is the most widely used operating system for mobile devices?
Alekssandra [29.7K]
Android, many phone brands use the Android OS. Unlike Apple, which is the only technology company with IOS.
8 0
3 years ago
Does the wireless signal between the cell phones require matter to travel from one phone to another?
mrs_skeptik [129]

Mobile phones transmit and receive signals using electromagnetic waves, that is, wireless signal are electromagnetic waves which can travel through a vacuum, they do not need a medium or matter.

<h3>What are electromagnetic waves?</h3>

They are generated by electrical and magnetic particles moving at the same time (oscillating).

<h3>Characteristics of electromagnetic waves</h3>

  • Network waves are electromagnetic waves.

  • A mobile phone has coverage when it receives electromagnetic waves from at least one base station.

  • They do not necessarily require a material medium for their propagation.

Therefore, we can conclude that electromagnetic waves are those that do not need a material medium to propagate and include, among others, radio, television and telephone waves.

Learn more about electromagnetic waves here: brainly.com/question/13803241

3 0
2 years ago
Each time an end user clicks a hyperlink, the browser generates a(n) _____ page request that is sent to the designated web serve
igomit [66]

Answer: HTTP GET

Explanation: There are many  HTTP(Hypertext Transfer protocol) requests sent to the server from the client .The page that gets request while the hyperlink page is clicked by the client, opens a HTTP GET page that belongs to the Internet protocol's(IP)suite by server. It is a process for the revival of the data from a particular server. The data does not get effected during the process of the retrieval.

3 0
3 years ago
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