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Guide for CompTIA Data+ Certification

Quiz CompTIA Data+ Certification

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/ 10

Quiz

1/10
Which of the following can be used to translate data into another form so it can only be read by a
user who has a key or a password?
Select the answer
1 correct answer
A.
Data encryption.
B.
Data transmission.
C.
Data protection.
D.
Data masking.

Quiz

2/10
Q3 2020 has just ended, and now a data analyst needs to create an ad-hoc sales report that
demonstrates how well the Q3 2020 promotion went versus last year's Q3 promotion.
Which of the following date parameters should the analyst use?
Select the answer
1 correct answer
A.
2019 vs. YTD 2020
B.
Q3 2019 vs. Q3 2020
C.
YTD 2019 vs. YTD 2020
D.
Q4 2019 vs. Q3 2020

Quiz

3/10
A data analyst has been asked to create an ad-hoc sales report for the Chief Executive Officer (CEO).
Which of the following should be included in the report?
Select the answer
1 correct answer
A.
The sales representatives' home addresses.
B.
Line-item SKU numbers.
C.
YTD total sales.
D.
The customers' first and last names.

Quiz

4/10
Which of the following is an example of a discrete data type?
Select the answer
1 correct answer
A.
8in (20cm)
B.
5 kids
C.
2.5mi (4km)
D.
10.7lbs (4.9kg)

Quiz

5/10
Which of the following contains alphanumeric values?
Select the answer
1 correct answer
A.
10.1΄²
B.
13.6
C.
1347
D.
A3J7

Quiz

6/10
A junior web developer is developing a new application where users can upload short videos. The
first task is to create a homepage that shows the headline "Upload Your Short Videos" and a clickable
button that says "upload now".
Which of the following HTML commands would help the developer to complete the task
successfully?
Select the answer
1 correct answer
A.
< span >Upload Your Short Videos< /span >< button >upload now< /button >
B.
< p >Upload Your Short Videos< /p >< p >upload now< /p >
C.
< hl >Upload Your Short Videos< /h1 >< button >upload now< /button >
D.
< hl >Upload Your Short Videos< /h1 >< hl >upload now< /h1 >

Quiz

7/10
A web developer wants to ensure that malicious users can't type SQL statements when they asked
for input, like their username/userid.
Which of the following query optimization techniques would effectively prevent SQL Injection
attacks?
Select the answer
1 correct answer
A.
Indexing.
B.
Subset of records.
C.
Temporary table in the query set.
D.
Parametrization.

Quiz

8/10
Consider the following dataset which contains information about houses that are for sale:


Certification Exam CompTIA Data+ Certification CompTIA CompTIA-DA0-001 2-1743294506



Which of the following string manipulation commands will combine the address and region name
columns to create a full address?
full_address------------------------- 85 Turner St, Northern Metropolitan 25 Bloomburg St, Northern
Metropolitan 5 Charles St, Northern Metropolitan 40 Federation La, Northern Metropolitan 55a Park
St, Northern Metropolitan
Select the answer
1 correct answer
A.
SELECT CONCAT(address, ' , ' , regionname) AS full_address FROM melb LIMIT 5;
B.
SELECT CONCAT(address, '-' , regionname) AS full_address FROM melb LIMIT 5;
C.
SELECT CONCAT(regionname, ' , ' , address) AS full_address FROM melb LIMIT 5
D.
SELECT CONCAT(regionname, '-' , address) AS full_address FROM melb LIMIT 5;

Quiz

9/10
The ACME Corporation hired an analyst to detect data quality issues in their excel documents. Which
of the following are the most common issues? (Select TWO)
Select the answer
2 correct answers
A.
Apostrophe.
B.
Commas.
C.
Symbols.
D.
Duplicates.
E.
Misspellings.

Quiz

10/10
Consider this dataset showing the retirement age of 11 people, in whole years:
54, 54, 54, 55, 56, 57, 57, 58, 58, 60, 60
This tables show a simple frequency distribution of the retirement age data.


Certification Exam CompTIA Data+ Certification CompTIA CompTIA-DA0-001 3-139898787
Select the answer
1 correct answer
A.
56
B.
55
C.
57
D.
54
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  • Quiz name:CompTIA Data+ Certification
  • Total number of questions:139
  • Number of questions for the test:50
  • Pass score:80%

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