Computer Networks and the Internet Quiz

Which of the following are features of virtual private networks (VPNS)? More than one answer may be selected.

1. allows for encrypted communications between computers 2. allows remote workers to connect to the company network when working from home 3. allows a security system to be implemented in cloud-based infrastructure

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 is ideal for audits because of the encryption used and because it eliminates the need for banks to handle audits.

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. GIS data is only available to users and organizations in the form of maps.

How does each additional block added to the blockchain strengthen the integrity of the entire chain?

Because each block contains information on recording time and sequence for both its transaction and the transaction immediately preceding it, with more blocks there is more transaction history information, making it difficult to falsify.

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.

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

IoT ubiquitous computing

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

Smart Speakers Home Security Cameras Smart TVs

Which is the best explanation of how the World Wide Web (WWW) differs from the Internet?

The web is only one of many applications that runs on and is accessed through the Internet.

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

Vendor agreements make it difficult to switch services.

If a company wants to create a secure computer network that can be accessed and used solely by its employees, it should create

an intranet.

What type of computer users are considered miners?

people who validate cryptocurrency transactions on the digital ledger

he basic types of computer networks include which of the following? More than one answer may be correct.

personal area network (PAN) local area network (LAN) wide area network (WAN)

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

software as a service (SaaS)

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.

A doctor in a small, private practice is looking for a safe way to share and receive patient information with other doctors his patients go to for care. She wants to make sure that any system she uses guarantees her patients privacy and abides by all local, state, and federal regulations (including HIPPA). Her tech adviser recommends a system that uses blockchain. Why would this be a good system for this type of information?

In blockchain, each record of a patient's data would be encrypted as a secure "block" of data; only authorized users would be able to access it.

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

In blockchain, the previous hash links two blocks together, which prevents anyone from inserting a block where one should not be. At its inception, members of a newly created blockchain network must agree to the rules and guidelines that will govern their blockchain.

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 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

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.

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