While introducing the database course yesterday, Professor Cheng mentioned to his class that the dominant database model is the relational database model and all current major DBMS products are based on it$.$ This statement by Professor Cheng is:

Question $1$ options:

True

False

Question $2(1\mathrm{.}5$ points$)$

The distributed database architecture has several advantages. The advantages include all of the following except:

Question $2$ options:

The DBMSs at each site can be different

The hardware and software at each site can be customized to suit the needs of that site

Each site does not need to keep the portion of the database that contains data that it uses often

All of the answers are correct

Question $3(1$ point$)$

Advantages of cloud computing include all of the following except:

Question $3$ options:

Access to the latest software

Lowering of associated costs

Scalability and speed

Unreliability and security

Question $4(1\mathrm{.}5$ points$)$

Ngozi reminded her classmates that cloud computing is useful. She emphasized that there are different types of cloud computing. Different types of cloud computing are:

Question $4$ options:

Public, hybrid and private cloud

Public, company and hybrid cloud

Hybrid, private and government cloud

None of the answers are correct.

Question $5(1\mathrm{.}5$ points$)$

When an organization maintains a centralized database, it typically has no users connecting through local and wide area networks.

Question $5$ options:

True

False

Question $6(1\mathrm{.}5$ points$)$

Patel stores his data in a cloud storage. Since the data belongs to Patel, he needs to maintain his database hardware and DBMS$.$

Question $6$ options:

True

False

Question $7(1$ point$)$

All of the following are types of cloud services except:

Question $7$ options:

Software as a service $($SaaS$)$

Infrastructure as a Service $($IaaS$)$

Piano as a Service $($PaaS$)$

Functions as a Service $($FaaS$)$

Question $8(1\mathrm{.}5$ points$)$

Nichole was told by her supervisor that early relational Database Management System $($DBMS$)$ products had substantial inertia to overcome. However, as time progressed the advantages out$-$weighed the challenges. This statement by her supervisor is:

Question $8$ options:

True

False

Question $9(1$ point$)$

Web applications such as Facebook and Twitter use Big Data technologies.

Question $9$ options:

True

False

Question $10(1$ point$)$

In distributed DB architecture, data travels over network media that does not belong to the company, therefore security risks are removed.

Question $10$ options:

True

False

Question $11(1$ point$)$

For local area network, personal computers were networked with ethernet network technology and adopted as a national standard in $1943.$

Question $11$ options:

True

False

Question $12(1$ point$)$

Which of the following statements are incorrect?

Question $12$ options:

Data warehouses store huge amounts of information

Data warehouses are not used for online analytical processing

NoSQL refers to databases not using the relational model

Web Database Application has a web$-$ based interface that allows shopping using an Application Programming Interface.

Question $13(1$ point$)$

The cloud environment provides ease of access to enable users to manage:

Question $13$ options:

Network

Storage

Application resources

All of the answers are correct

Question $14(1$ point$)$

Cloud computing is the delivery of computing services over the internet.

Question $14$ options:

True

False

Question $15(1\mathrm{.}5$ points$)$

Personal computers have significant processing power but are incapable of taking raw data returned by the server and formatting the results for output.

Question $15$ options:

True

False

Question $16(1\mathrm{.}5$ points$)$

Andrew addressed his work team today at their weekly presentation. He informed the team that Apple iPhone and Google Android operating systems are all examples of things that depend on databases. This information by Andrew is:

Question $16$ options:

True

False

Question $17(1$ point$)$

When databases are stored in the cloud, they are hosted on hardware which is not owned by the organization that owns the data.

Question $17$ options:

True

False

Question $18(1\mathrm{.}5$ points$)$

The IT manager informed the management team of his company that cloud vendors are responsible for purchasing and maintenance of relevant hardware. This statement is:

Question $18$ options:

True

False

Question $19(1$ point$)$

Which of the following does not provide cloud services?

Question $19$ options:

IBM

Amazon

Algonquin

Google

All of them provide cloud services

Question $20(1\mathrm{.}5$ points$)$

During the pre$-$database period, data was stored in separate files. Data integration was very difficult. However, file storage space was cheap and unlimited.

Question $20$ options:

True

FalseWhile introducing the database course yesterday, Professor Cheng mentioned to his class that the dominant database model is the relational database model and all current major DBMS products are based on it$.$ This statement by Professor Cheng is:

Question $1$ options:

True

False

Question $2(1\mathrm{.}5$ points$)$

The di