Question 1

Comprehensive security measures must ensure that access to an organization's extranet is granted only to authorized users and trusted business partners.

Accepted Answer

Comprehensive security measures are essential for protecting an organization's extranet, as it often contains sensitive information. Ensuring access is granted only to authorized users and trusted business partners helps prevent unauthorized access and potential security breaches.

Question 2

Any computer that stores hypermedia documents and makes them available to other computers on the Internet is called a client.

Accepted Answer

The correct term for a computer that stores hypermedia documents and makes them available to other computers on the Internet is a server, not a client.

Question 3

Client-based e-mail enables a user to access his or her e-mail account from any computer.

Accepted Answer

Client-based email requires the installation of email software on the user's computer, limiting access to the email account to computers that have the specific email client installed and configured.

Question 4

The Internet is owned by the Advanced Research Projects Agency Network (ARPANET).

Accepted Answer

The Internet evolved from ARPANET, but it is not owned by any single organization, including ARPANET. It is a global network of networks that is decentralized.

Question 5

Voice over Internet Protocol (VoIP)is used to route traffic starting and ending at conventional public switched telephone network phones.

Accepted Answer

VoIP can be used to route calls between the internet and conventional public switched telephone network (PSTN) phones, allowing for communication between traditional phone systems and internet-based calls.

Question 6

Even if there are more than one smart object on an individual's body, they would not be aware of each other's existence.

Accepted Answer

Smart objects are not typically designed to communicate with each other, so they would not be aware of each other's existence even if they were on the same individual's body.

Question 7

Intranets are typically set up behind a firewall.

Accepted Answer

Intranets are designed to be accessible only within an organization, and a firewall is used to protect the network from unauthorized access from the outside, ensuring the security and privacy of the internal communications and data.

Question 8

A typical IoT device is secured when purchased from vendors.

Accepted Answer

Many IoT devices come with default settings that may not prioritize security, making them vulnerable to attacks if not properly configured and secured by the user or manufacturer.

Question 9

Online degree programs adversely affect colleges and universities that are facing an enrollment decline.

Accepted Answer

Online degree programs can actually help colleges and universities facing an enrollment decline by expanding their reach to non-traditional students, those who need flexibility, and international students, potentially increasing enrollment numbers.

Question 10

In the context of directories on the Web, a human-powered directory uses crawlers to collect data.

Accepted Answer

A human-powered directory relies on human editors to manually collect, review, and categorize websites, unlike automated directories which use crawlers to collect data.

Question 11

The Web changed the Internet by introducing a graphical interface to the largely text-based Internet.

Accepted Answer

Before the introduction of the World Wide Web, the Internet was primarily text-based, accessed through command-line interfaces or simple text-based applications. The Web introduced a graphical interface, allowing for the use of images, graphics, and later multimedia, significantly enhancing user interaction and accessibility.

Question 12

In comparison with the Internet, the information on an organization's extranet is typically confidential.

Accepted Answer

An organization's extranet is designed to facilitate secure communication and information sharing with external parties, such as partners or clients, and typically contains confidential information not available to the general public, unlike the broader, publicly accessible Internet.

Question 13

Combinations of spaces and special characters can be used in domain names of uniform resource locators (URLs).

Accepted Answer

Domain names in URLs cannot contain spaces or special characters, except for hyphens (-). They must adhere to a specific set of allowed characters, primarily consisting of letters (A-Z, a-z), digits (0-9), and hyphens.

Question 14

A T3 line uses two pairs of copper wires to carry up to 24 simultaneous conversations and has a transmission rate of 1.544 Mbps.

Accepted Answer

A T3 line actually has a transmission rate of about 44.736 Mbps and does not use copper pairs to carry 24 simultaneous conversations; that description applies to a T1 line, which has a transmission rate of 1.544 Mbps and can carry 24 simultaneous conversations.

Question 15

The security system of an organization's extranet should not include auditing and reporting capabilities.

Accepted Answer

Auditing and reporting capabilities are essential for monitoring, detecting, and responding to security incidents within an organization's extranet, ensuring the integrity and security of the system.

Question 16

Hypermedia documents can be stored anywhere in the world.

Accepted Answer

Hypermedia documents, like web pages, can be stored on servers located anywhere in the world and accessed via the internet.

Question 17

An intranet is an application or service that uses an organization's computer network.

Accepted Answer

An intranet is a private network accessible only to an organization's staff, often used to share company information and computing resources among employees.

Question 18

In the context of directories on the Web, Open Directory is an example of an automated directory.

Accepted Answer

Open Directory, also known as DMOZ (Directory Mozilla), was a human-edited directory where websites were organized into categories by volunteer editors, not automatically by algorithms.

Question 19

Telepresence surgery allows surgeons to operate all over the world without physically traveling anywhere.

Accepted Answer

Telepresence surgery, also known as remote surgery, utilizes robotic systems and telecommunications infrastructure to allow surgeons to perform surgical procedures on patients from remote locations, eliminating the need for physical travel.

Question 20

IoM will enable health insurers to recommend plans that offer savings for using a wearable device.

Accepted Answer

The Institute of Medicine (IoM) can influence health policy and recommendations, including the adoption of technology in healthcare. If research supports that wearable devices contribute to better health outcomes or cost savings, the IoM might advocate for their use, potentially leading insurers to recommend plans that offer savings for using such devices.

Quiz 7: A Connected World