Computer Networks and the Internet

Describe the potential benefits of 5G networks to the Internet of Things (IoT). More than one answer may be correct.

- 5G connectivity has the potential to create truly connected cities. - 5G networks may eventually allow for autonomous vehicles to safely interact with each other and their environment. - 5G connectivity will greatly improve what businesses and individuals can do with connected devices.

Describe how 5G connectivity will support IoT. More than one answer may be correct.

- 5G connectivity will allow for faster connection speeds, greater data capacity, and lower latency. - 5G connectivity will allow for greater data capacity. - 5G connectivity will allow for lower latency.

Which of the following is true about geographic information systems (GIS)? More than one answer may be correct.

- A GIS uses a global positioning system (GPS) powered by at least 24 satellites. - Combined with GPS, GIS is used to guide the transport of goods to different locations. - Spatial data generated from GIS is used by organizations to make better decisions.

From the following list, select the statement that correctly defines that type of network.

- A PAN connects devices around an individual. - The Internet connects LANs, WANs, and other Internet networks together.

Which of the following are true statements about cryptocurrencies? More than one answer may be selected.

- A cryptocurrency only exists on a computer. - You can create new cryptocurrency using a process called mining.

In order for a new block to be added to the blockchain, four criteria must be met. Which of the following are examples of the required criteria? More than one answer may be selected.

- A hardware company purchases lumber. - The digital signature of the vendor and consumer, as well as the transaction amount and date and time of purchase are stored on a block. - An independent bookstore pays off a line of credit used to purchase a bulk order of J.K. Rowling's most recent novel.

Which of the following describe cloud computing in today's business environment? More than one answer may be correct.

- A majority of global companies are using the cloud to backup and store data and information. - Due to the cost-effective nature of cloud storage, many small businesses use it to back up data. - Almost all organizations in the United States use the cloud.

Which of the following statements accurately describes computer networks? More than one answer may be correct.

- A network is a group of two or more devices/computers that are connected together. - Networks range in size from small home networks to the Internet, the world's largest network. - Networks support many different software applications and online or offline services.

Which of the following is an example of an organization combining data analytics with GIS information? More than one answer may be correct.

- A restaurant uses the location of users when they enter key word searches that lead to their online menu to determine where they should focus advertisements on their new delivery options. - A clothing store texts a 25 percent off coupon to customers who have shopped in their store when they are within a two-mile radius of the store. - A fitness center sends all new moms a complimentary one-month membership six weeks after they have given birth.

Which of the following are considered major cloud service providers? More than one answer may be correct.

- Amazon Web Services (AWS) offers a broad set of global cloud-based products. - Google Cloud offers a suite of modular cloud computing services. - Kamatera Performance Cloud offers a range of flexible cloud infrastructure services.

From the following list, select all the characteristics of Internet Protocol (IP) addresses.

- An IP address can be static or permanently assigned to a device. - An IP address can be translated into a domain name using recognizable words. - An IP address in the IPv4 format uses four-decimal notation, such as 182.124.7.9.

Which of the following are important questions to ask before signing a service level agreement (SLA) with a cloud services security vendor? More than one answer may be selected.

- Are you in compliance with local, state, and federal security standards and regulations? - Do you go through external security audits? - How is data from different corporations kept separate?

Describe key features of content delivery networks (CDN). More than one answer may be correct.

- CDNs are geographically distributed network server groups that work together to deliver web pages and other web content to users. - CDNs provide more efficient delivery of Internet and Web content because the closer the CDN server is to the user geographically, the faster the content will be delivered. - PoPs include various caching servers that assist in delivering content to website visitors within its operational proximity.

From the following list, select all the characteristics of collaboration software that enhance the productivity of teams, groups, and organizations.

- Dedicated workspaces are viewable and editable by approved users, regardless of their physical location. - The software is cloud-based, removing the need for users to have specific software downloaded on a device.

Which of the following are correct regarding blockchain? More than one answer may be selected.

- For business contracts, blockchain makes it almost impossible to change any information in a contract. This is advantageous for businesses that are dealing with multiple contracts. - In supply chain management, blockchain can verify with almost absolute certainty where items and goods are along the supply chain, thus removing guesswork and inefficiencies for shippers and customers. - Blockchain can be used to assist with quality assurance by tracing mistakes and errors in manufacturing back to where they occurred.

Which statement correctly defines the components of the World Wide Web (WWW)? More than one answer may be correct.

- HTTP is a protocol for the transmission of hypermedia documents (such as HTML) and was designed for communication between web browsers and web servers. - A URL is the address of a document or other content/resources found on the web. - HTML is a language commonly used format for publishing web documents and content.

From the following list, select the various components of the World Wide Web (WWW).

- Hypertext Transfer Protocol (HTTP) - Uniform Resource Locators (URL) - Hypertext Markup Language (HTML)

Which of the following applications or services will Web 3.0 be built to support? More than one answer may be correct.

- IoT - SaaS

Which of the following are correct statements about Infrastructure as a Service (IaaS)? More than one answer may be correct.

- It can grow with a company as its usage increases. - It uses the cloud to assist in running a client's information systems.

Which of the following correctly identify National Institute of Standards and Technology (NIST) cloud computing deployment models? More than one answer may be correct.

- Private cloud infrastructure is extended to a single organization with multiple consumers e.g., business units. - Public cloud infrastructure is for open use by the general public. It may be owned, managed, and operated by a business, academic, or government organization, or some combination of them.

From the following list, select all the statements that correctly describe Transmission Control Protocol/Internet Protocol.

- TCP/IP is a suite of communication protocols (standards/rules/guidelines) used to connect devices to the Internet. - TCP/IP can be used as a private network communications protocol for private networks including intranets and extranets. - TCP/IP covers how software applications communicate across networks and how data packets are assembled and reassembled once they reach their destination.

Which of the following is a characteristic of the Internet that helps explain how it works? More than one answer may be correct.

- The Internet has connections points called nodes. - Data is usually stored on specialized computers called servers. - Data is transferred between networks through hardware called routers.

What is occurring when a call placed on a cellular network is "dropped?" More than one answer may be correct.

- The call was unable to be relayed from the tower it initially connected with to a network of other cell towers. - The mobile switching station that your phone connected to was unable to maintain a connection with the mobile switching station of the person you're calling.

Which of the following statements correctly defines a TCP/IP layer? More than one definition may be correct.

- The network access layer handles the physical parts of sending and receiving data. - The Internet protocol layer controls the movement of packets throughout the network. - The transport protocol divides data into packets and acknowledges these have been received.

Troy is sending an email from his smartphone using his school's free Wi-Fi network. From the following list, select all the basic connections that must be made to send the email.

- The phone's NIC must wirelessly connect it to the school's Wi-Fi network - The school's network router must connect to the school's ISP. - The school's ISP must connect to the Internet.

Describe web services. More than one answer may be correct.

- Web services are a set of software technologies. - Web services allow for the exchange of information between two systems and are not tied to any one operating system or programming language. - Web services can be used to create apps that link different systems of different organizations and to build open-standard based web applications.

Which of the following services are often provided by platform as a service (PaaS) vendors? More than one answer may be selected.

- build scalable apps without having to write any code - provide social media capabilities - host hardware and software

List disadvantages of cloud computing. More than one answer may be correct.

- downtime - security risks -limited control

Describe the benefits 5G networks will provide cell phone carriers and users. More than one answer may be correct.

- faster connections and data transfer speeds - greater capacity - lower latency

Which of the following is a common method of connecting a LAN to the Internet? More than one answer may be correct.

- fiber optic cables - ethernet cables - coaxial cables

Select which entities in a connected city may benefit from increased data generated by 5G networks. More than one answer may be correct.

- first responders - city planners

Describe the benefits of cloud computing. More than one answer may be correct.

- flexibility - cost savings - collaboration

In blockchain, transaction data is stored in blocks. Each block in the blockchain contains ________, which helps create secure transactions. More than one answer may be selected.

- hash - digital fingerprint - unique identifier

What are the advantages of software as a service (SaaS)? More than one answer may be correct.

- instant access, downloads, and usability - frequent application updates offered - relatively low upfront costs

While bitcoin is one of the most well-known cryptocurrencies, there are others. Which of the following are popular cryptocurrencies? More than one answer may be selected.

- litecoin - etherium

For the IoT to work properly, you must have which of the following?

- network - device - data

According to the National Institute of Standards and Technology (NIST), which of the following are recommendations of cloud computing? More than one answer may be correct.

- on-demand self service - broad network access - resource pooling

Examples of IoT devices include which of the following? More than one answer may be correct.

- smart TVs - home security cameras - smart speakers

What is the difference between a cloud service and a web service?

A cloud service provides users with increased computing power and data management, whereas a web service provides the software tools needed for devices and systems to communicate with each other.

How does VPN software ensure that people accessing a network are authorized to do so?

VPN software authenticates users.

Why would a vendor agreement be a disadvantage of cloud computing?

Vendor agreements make it difficult to switch services.

What is the second step that occurs when placing a call on a cellular network?

Your voice is converted by your phone to an electrical signal that is transmitted via radio waves to the nearest cell tower.

Which of the following is one of the primary components that enable networks and individual devices to connect to the Internet?

a "backbone" of connected hardware and a suite of Internet protocol software

Manufacturers of computers and other electronic devices follow the IEEE 802.3 protocol to ensure that their products

can be used to create a standard ethernet connection.

A company just received a government contract to provide onboarding services targeted towards people who want to sign up for Medicare. They will be handling sensitive information, including the users' Social Security numbers and home addresses and will host the login page where people will access their Medicare account online. Which of the following are considered major cloud service providers?

cloud services security

Which type of collaboration software could best help an organization increase engagement between remote employees and those who are "in-house" or organization-based?

cloud-based forums, messaging, and meeting apps

A computer network must be connected to the Internet to support

communicating via email with people on other networks.

In addition to overall digital flexibility, technological savings, and increased collaboration, computing in the cloud provides organizations with

disaster recovery.

Which cryptocurrency offers a blockchain-based platform that can be used to develop decentralized applications?

ethereum

The key feature of Web 2.0 that allows users to collectively classify information, such as by tagging websites and online images, is called

folksonomy.

The amount of time that passes between when a device is asked to perform and when it completes the task is known as

latency

A PaaS vendor offers its clients the ability to quickly build a customer loyalty app that allows customers to earn points for every purchase. The client chooses what features they'd like the app to have from a predetermined list of choices. What is this an example of?

mobile software development kit

What type of computer users are considered miners?

people who validate cryptocurrency transactions on the digital ledger

When a user has determined their destination, GIS can assist in providing directions. This is called

route information.

With Web 3.0, everyday devices connected to the Web will become

smarter and more capable, given the improved support for the Internet of Things (IoT).

Which Web 2.0 feature utilizes application programming interfaces (APIs) to automate web content and/or processes?

software as a service (SaaS)

An investment firm creates a network designed to facilitate information exchange between devices at its offices in New York City and New Haven, Connecticut. Which type of network would the company use to exchange information?

wide area network (WAN)