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Question 1

What is the primary role of the database administrator?

Options :

A : Internet security access control

B : DBMS installation, maintenance, performance analysis, and troubleshooting

C : Business system design and development

D : Operating system throughput and performance optimization

Answer: A

Question 2

Why are businesses beginning to use big data?

Options :

A :

To integrate vast amounts of electronic data into analysis in order to gain insight for better decision making

B :

To store enormous amounts of paper documents and electronic data in databases and data warehouses for future analysis

C :

To connect a myriad of devices to the Internet and allow these devices to logically interact with one another

D :

To collect large amounts of data from various sources, both external and internal, both paper and electronic

Answer: A

Question 3

Which type of high-level language translates the entire program at once?

Options :

A : Scripting languages

B : Compiled languages

C : Assembly languages

D : Interpreted languages

Answer: B

Question 4

What is a characteristic of cloud computing?

Options :

A : Cloud computing provides services ranging from simple storage to load balancingfor large-scale computational processing.

B : Cloud computing requires client computers to download specific software.

C : Cloud computing increases investments in IT in order to meet increasing IT demands.

D : Cloud computing increases the need for internal IT personnel.

Answer: A

Question 5

What are two differences between a handheld computer and a desktop?

Choose 2 answers.

Options :

A : A desktop has more memory.

B : A desktop has more internal storage.

C : A handheld has more internal storage.

D : A handheld has more memory.

Answer: A