Question 1

Opening an online store requires at least the same amount of planning than building another physical store location.

Accepted Answer

Opening an online store involves various planning stages such as market research, understanding the target audience, selecting the right platform, inventory management, and marketing strategy, similar to the considerations needed for opening a physical store location.

Question 2

To manage a relational table, you need only be able to add new tuples to the table and delete tuples from a table.

Accepted Answer

Managing a relational table also involves updating existing tuples, querying data, and sometimes altering the table structure itself (e.g., adding or removing columns), in addition to adding and deleting tuples.

Question 3

The number-one attraction to online shopping is probably ____.
A)speed
B)lower cost
C)the ability to view products
D)convenience

Accepted Answer

The primary attraction of online shopping is the convenience it offers, allowing customers to shop from anywhere at any time without the need to visit a physical store.

Question 4

Authentication is the process of verifying the identity of the receiver of the data._________________________

Accepted Answer

The answer of Authentication is the process of verifying the...

Question 5

In the ____ world, customers have quick, easy, and secure access to purchasing items and paying for services through the World Wide Web.
A)e-transactions
B)ecommerce
C)web commerce
D)virtual commerce

Accepted Answer

The term "ecommerce" specifically refers to the buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions. It encompasses a wide range of online business activities for products and services.

Question 6

A disk input/output (I/O)operation is a much slower process than accessing information stored in main memory, sometimes by as much as three or four orders of magnitude._________________________

Accepted Answer

Disk I/O operations involve mechanical movements (like spinning disks and moving read/write heads) which are significantly slower than accessing electronic data stored in RAM, which does not involve moving parts.

Question 7

____ is an online coupon site.
A)iTunes
B)PayPal
C)Craigslist
D)Groupon

Accepted Answer

Groupon is known as an online platform that offers users discounts and coupons for various products and services, making it the correct choice for an online coupon site.

Question 8

The SQL command to create a table only requires specification of the various attributes by name and data type.

Accepted Answer

The SQL command to create a table requires not only the specification of the various attributes by name and data type but also constraints (like PRIMARY KEY, NOT NULL, UNIQUE, etc.) as needed to define the table's structure and rules more precisely.

Question 9

A database management system works much like a simple file manager.

Accepted Answer

A database management system (DBMS) is more complex and provides more functionality than a simple file manager. It allows for the creation, querying, update, and administration of databases, offering features like data integrity, security, backup, and concurrency control, which are not typically provided by simple file managers.

Question 10

Accessing a record in a large file involves at least one disk input/output (I/O)operation(s).

Accepted Answer

Accessing a record in a large file typically involves disk I/O operations because the data is stored on a disk, and retrieving it requires reading from the disk, which is an I/O operation.

Question 11

Building massive, integrated government databases raises fewer technical questions than legal, political, social, and ethical ones.

Accepted Answer

While technical challenges exist in building massive, integrated government databases, the more significant and complex issues often revolve around legal, political, social, and ethical considerations, such as privacy rights, data security, and the potential for misuse of information.

Question 12

A meta tag is a small text file that the web server sends to the user's browser and that gets stored on the user's hard drive. _________________________

Accepted Answer

A meta tag is an HTML tag containing information for search engines about a webpage, not a text file sent to or stored on the user's hard drive.

Question 13

Each record in a file contains information about an item in the "universe of discourse" that the file describes.

Accepted Answer

Each record in a file typically represents a single item or entity within the specific domain or "universe of discourse" that the file is intended to describe, capturing relevant details about that item.

Question 14

Encryption is the method in which data are protected during a transaction._________________________

Accepted Answer

Encryption is the process of converting information or data into a code, especially to prevent unauthorized access, ensuring that data is protected during transactions.

Question 15

The correspondence between primary keys and compound keys is what establishes the relationships among various entities in a database._________________________

Accepted Answer

Primary keys uniquely identify each record in a table, while compound keys (or composite keys) are a combination of two or more columns used to uniquely identify a record. Relationships among entities in a database are established through foreign keys, not the correspondence between primary keys and compound keys.

Question 16

You maintain a ____ web presence to streamline transactions between you as the seller and other businesses as buyers.
A)B2B
B)S2B
C)B2S
D)C2B

Accepted Answer

B2B stands for Business-to-Business, which is the correct term for transactions or interactions between businesses, such as a seller and other businesses as buyers.

Question 17

The Internet has been around since 1969.

Accepted Answer

The Internet's origins date back to 1969 with the development of ARPANET, a project funded by the U.S. Department of Defense.

Question 18

To the user, distributed databases look like a single database, just with slightly slower access times.

Accepted Answer

Distributed databases are designed to appear as a single database system to the user, despite being spread across multiple locations, which may result in slightly slower access times due to the data being distributed.

Question 19

The Census Bureau of the U.S. Department of Commerce estimated ecommerce retail sales in the United States for the first quarter of 2017 to be $105.7 billion, an increase of 14% from the first quarter of 2016.

Accepted Answer

The U.S. Census Bureau does provide estimates on ecommerce retail sales, and the figure of $105.7 billion for the first quarter of 2017, representing a 14% increase from the first quarter of 2016, aligns with the kind of data and reporting the Bureau provides on ecommerce trends and growth.

Question 20

An ____ will, for a fee, design your website and manage it on an ongoing basis.
A)application service provider
B)application manager
C)application hosting provider
D)application management provider

Accepted Answer

The answer of An ____ will, for a fee, design...

Quiz 14: Ecommerce, Databases, and Data Science