Answer:
True.
Explanation:
The database can contain "bad data".
Bad Data is incorrect,incomplete,irrelevant or inaccurate records and the bad data can only be corrected or by data cleansing.
Data cleansing is deleting the bad data from the database.It is very important technique which is implemented by almost every one dealing with bad data.
Hence we conclude that the answer to this question is True.
The study on the prevalence of coronary artery disease in patients with isolated aortic valve stenosis is given below.
<h3>What was the study about?</h3>
The prevalence of a High amount coronary artery disease (that is the lowering in luminal diameter by about 50%) is one that is seen in a lot of people such as about 88 consecutive patients and it is one where they have aortic stenosis that needs aortic valve replacement.
The study shows that the risk factors associated with coronary disease were said to be equally distributed in all of the patients with and without a good amount of luminal obstruction.
Therefore, one can say that the study on the prevalence of coronary artery disease in patients with isolated aortic valve stenosis is well done.
Learn more about coronary artery disease from
brainly.com/question/1347334
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Answer
Directory Services
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<u>Definition</u>
It is a type of software that is used to unify and customize the resources available at the network.
<u>Explanation</u>
This software is used to gather the information and addresses of all computers connected on the network.
It is a type of information store, where all the information related to resources (computer) and services of network has been stored. It also gives administrator rights to the single point to manage whole network resources.
This is the reason, Option "D" is the best choice for me as sole IT employ in a company. I will prefer directory services software to gather the information of all computers of organization and manage users in company.
172.30.0.0: private network
10.20.1.0: public network