Question 1

Yammer is an enterprise social network that helps employees collaborate across departments,locations,and business apps.

Accepted Answer

Yammer is indeed an enterprise social network that facilitates collaboration among employees in different departments, locations, and with various business apps.

Question 2

WiMAX operates on the same basic principles as Wi-Fi in that it transmits data from one device to another via radio signals.

Accepted Answer

WiMAX does operate on the same basic principles as Wi-Fi in that it transmits data from one device to another via radio signals.

Question 3

Extranets are used within a company for data access,sharing,and collaboration.They are portals or gateways that provide easy and inexpensive browsing and search capabilities.

Accepted Answer

Extranets are used to share information securely with external partners, vendors, or customers, not just within a company. They extend a company's intranet to external users.

Question 4

NFC are location-aware technologies that are less secure than other wireless technologies like Bluetooth and Wi-Fi.

Accepted Answer

This statement is false. NFC (Near Field Communication) technology is actually considered more secure than Bluetooth and Wi-Fi because it has a shorter range and requires physical proximity to establish a connection. Additionally, NFC transactions typically involve encryption and authentication to ensure security.

Question 5

Cloud based brainstorming apps such as Evernote and iMindmap Online can help groups with idea generation when members of the group are geographically dispersed or have conflicting schedules that prevent them from meeting face-to-face.

Accepted Answer

Cloud based brainstorming apps such as Evernote and iMindmap Online can be used to facilitate ideation among geographically dispersed or busy team members.

Question 6

.IT developers use APIs to quickly and easily connect diverse data and services to each other.

Accepted Answer

APIs (Application Programming Interfaces) provide a way for developers to connect different software applications, databases, and services together, making it easier to share data and functionality between them. This can greatly speed up the development process and improve overall efficiency.

Question 7

A business benefit of APIs is that they are channels to new customers and markets.

Accepted Answer

Through APIs, businesses can reach new customers and enter new markets by providing easier access to their products and services. Third-party developers and companies can leverage these APIs to build integrations and applications that increase the exposure of the business’s offerings to a wider audience. This can result in increased revenue and business growth.

Question 8

Basically,an extranet is a network that connects two or more companies so they can securely share information.

Accepted Answer

This is the correct definition of an extranet. It is a private network that allows multiple organizations to communicate and share data in a secure manner.

Question 9

Wireless broadband WiMAX transmits voice,data,and video over high-frequency radio signals and was designed to bypass traditional telephone lines.

Accepted Answer

Wireless broadband WiMAX was designed to transmit voice, data and video over high-frequency radio signals and was specifically created to bypass traditional telephone lines.

Question 10

An intranet is a private,company-owned network that can be logged into remotely via the Internet.Typical users are suppliers,vendors,partners,or customers.

Accepted Answer

An intranet is a private network accessible only to an organization's staff. Generally, it is not accessible to external parties like suppliers, vendors, partners, or customers without specific permissions or secure access methods such as VPNs.

Question 11

As technologies that make up the mobile infrastructure evolve,identifying strategic technologies and avoiding wasted investments require more ad hoc adoption of mobile devices and network infrastructure.

Accepted Answer

Identifying strategic technologies and avoiding wasted investments in the mobile infrastructure require careful planning, analysis, and a strategic approach rather than an ad hoc adoption of mobile devices and network infrastructure.

Question 12

SmartSantander was a smart city experiment with 10,000 sensors that communicated with smartphone apps to inform drivers and commuters on parking availability,bus delays,road closures,and the current pollen count in real time.

Accepted Answer

SmartSantander was a smart city experiment with 10,000 sensors that communicated with smartphone apps to inform drivers and commuters on parking availability, bus delays, road closures, and the current pollen count in real time.

Question 13

Being profit-motivated without concern for damage to the environment is unacceptable.

Accepted Answer

As a responsible citizen, it is important to prioritize the protection of the environment over profit. Therefore, being profit-motivated without consideration of the impact on the environment is not acceptable.

Question 14

VPNs consist of encryption software and hardware that encrypt,send,and decrypt network transmissions.

Accepted Answer

This statement is true. VPNs use encryption software and hardware to secure network transmissions by encrypting the data, sending it securely through the network, and then decrypting it at the other end.

Question 15

Walmart provides P&G with access to sales information on every item Walmart buys from P&G.The information is collected by P&G on a monthly basis from every Walmart store,and used by P&G to manage the inventory replenishment for Walmart.

Accepted Answer

The answer of Walmart provides P&G with access to sales...

Question 16

Three general types of mobile networks are WANS,WiMAX,and LANs.

Accepted Answer

These are indeed three general types of mobile networks. WANs (wide area networks) cover large geographic areas, WiMAX is a wireless broadband technology that can provide connectivity over longer distances than Wi-Fi, and LANs (local area networks) are typically used in smaller areas like offices or homes.

Question 17

Wi-Fi is a short-range wireless communications technology found in billions of devices,such as smartphones,computers,medical devices,and home entertainment products.

Accepted Answer

The answer of Wi-Fi is a short-range wireless communications technology...

Question 18

A fully deployed smart grid has the potential of saving roughly $40 to $100 and up to 592 pounds of CO2 emissions per consumer per year in the U.S. ,according to the Smart Grid Consumer Collaborative.

Accepted Answer

The statement is true according to the Smart Grid Consumer Collaborative.

Question 19

To solve supply chain delays Caterpillar connected its engineering and manufacturing divisions with its active suppliers,distributors,overseas factories,and customers,through an extranet-based global collaboration system.

Accepted Answer

This sentence states that Caterpillar connected various divisions and stakeholders through an extranet-based collaboration system to solve supply chain delays.

Question 20

When security issues are a special concern,companies want to take extra steps to make sure that transmissions can't be intercepted or compromised.In these situations they will use a network that encrypts the packets before they are transferred over the network.This solution is called a Virtual Private Network (VPN)

Accepted Answer

Virtual Private Networks (VPNs) are commonly used in situations where security is a special concern, as they encrypt transmissions to prevent interception or compromise.

Quiz 4: Networks for Efficient Operations and Sustainability