Computer Networks and the Internet

For the IoT to work properly, you must have which of the following? (3) a. network b. device c. data d. offline capabilities

a , b, c

Manufactures of computers and other electronic devices follow the IEEE 802.3 protocol to ensure that their products a. can work with both LAN and WAN networks as needed b. support WAN software from major vendors, such as Cisco Systems c. can be used to create a standard ethernet connection d. enable wireless connections using Bluetooth and Wi-Fi

c. can be used to create a standard ethernet connection.

Which cryptocurrency shares features with a previous cryptocurrency but is technologically enhanced? a. EOS b. bitcoin c. ethereum d. bitcoin cash

d. bitcoin cash

Which of the following is an example of an organization combining data analytics with GIS Information? More than one answer may be correct (2) a. 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. b. a clothing store tests a 25 percent off coupon to customers who have shopped in their store when they are within a two-mile radius of the store. c. a car dealership sends all residences in the city printed advertisements five times a year. d. a fitness center sends all new moms a complimentary one month membership six weeks are they have given birth.

a and b

Which of the following is a characteristic of the Internet that helps explain how it works? More than one answer may be correct (3) a. the Internet has connection points called nodes b. data is usually stored on specialized computers called servers c. data is transferred between networks through hardware called routers d. information is transferred over the Internet in small groupings called segments

a., b., c.

Amazon, Kamatera, Salesforce, and Google are all examples of a. search engines b. cloud service providers c. web conferencing providers d. e-commerce sites

b. cloud service providers

A doctor in a small, private practices 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 users blockchain. Why would this be a good system for this type of information? a. blockchain would not be appropriate to use to secure healthcare records; however, the practice could look into accepting payments via cryptocurrency. b. because blockchain can be used for quality assurance purposes, using it in healthcare would ensure that no mistakes were made when treating patients. c. in blockchain, a secure connection is created between computers accessing information. This would prevent unauthorized people from accessing any sensitive data. d. in blockchain, each records of a patients data would be encrypted as a secure "block" of data; only authorized users would be able to access it.

d.

When a user has determined their destination, GIS can assist in providing directions. This is called a. density map b. proximity location c. alert d. route information

d. route information

What is the second criteria necessary for adding a block to a blockchain? a. transaction storage b. a transaction takes place c. adding a hash d. transaction verification

d. transaction verification

Which of the following are correct statements about Infrastructure as a Service (IaaS)? (2) a. it can grow with a company as its usage increases b. it uses the cloud to assist in running a clients information systems c. it requires companies to acquire their own datacenter architecture d. it provides companies with complete software installation packages

a, b

From the following list, select the various components of the World Wide Web (WWW). (3) a. Hypertext Transfer Protocol (HTTP) b. Uniform Resource Locations (URL) c. Hypertext Markup Language (HTML) d. Base Transceiver Station (BTS)

a, b, c

What are the advantages of software as a service (SaaS)? More than one answer may be correct (3) a. instant access, downloads, and usability. b. frequent application updates offered c. relatively low upfront costs d. application accessed via the internet only

a. instant access, downloads, and usability b. frequent application updates offered c. relatively low upfront costs

While bitcoin is one of the most well-known cryptocurrencies, there are others. Which of the following are popular cryptocurrencies? a. litecoin b. etherium c. lunar d. PYT

a. litecoin b. etherium

According to the National Institute of Standards and Technology (NIST), which of the following are recommendations of cloud computing? (3) a. on-demand self service b. brand network access c. resource pooling d. slow elasticity

a. on demand self service b. brand network access c. resource pooling

Examples of IoT devices include which of the following? (3) a. smart TVs b. home security cameras c. smart speakers d. smartphones

a. smart tvs b. home security cameras c. smart speakers

Which Web 2.0 feature utilizes application programming interfaces (APIs) to automate web content and/or processes? a. software as a service (SaaS) b. interactivity c. folksonomy d. user participation

a. software as a service (SaaS)

How does each additional block added to the blockchain strengthen the integrity of the entire chain? a. there is no added integrity by adding additional blocks, a blockchain is as strong at inception as it will ever be. b. more blocks make it harder for hackers to access the network c. the random generation of unique identifiers that are associated with each block make it difficult and time consuming for hackers to identify. d. 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.

d. 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.

If a company wants to create a secure computer network that can be accessed and used solely by its employees, it should create a. an intranet b. an Internet c. a LAN d. a network of PANs

a. an intranet

From the following list, select the statement that correctly defines that type of network. a. a PAN connects devices around an individual. b. the Internet connects LANs, WANs, and other Internet networks together c. a WAN connects a variety of devices at a single sit, such as an office d. a LAN connects a variety of devices between two or more geographic locations

a. a PAN connects devices form around an individual b. the Internet connects LANs, WANs, and other Internet networks together.

Describe how 5G connectivity will support IoT. (3) a. 5G connectivity will allow for faster connection speeds, greater data capacity, and lower latency b. 5G connectivity will allow for greater data capacity c. 5G connectivity will allow for lower latency d. 5G connectivity will fully replace 4G connections

a. b. c.

What is the second step in the process of sending a message via the Internet? a. look up the IP address using the Domain Name System (DNS) b. identify the correct domain name c. assemble the data packet d. add the IP address to the packet

b. identify the correct domain name

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? a. world wide web b. wide area network c. personal area network d. local area network

b. wide area network

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? (3) a. a hardware company purchases lumber. b. 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. c. an independent bookstore pays off a line of credit used to purchase a bulk order of J.K. Rowling's most recent novel. d. an importer wants to check on the status of items he ordered from China last month.

a, b, c

Which of the following correctly identify National Institute for Standards and Technology (NIST) cloud computing deployment models? More than one answer may be correct. a. private cloud infrastructure is extended to a single organization with multiple consumers e.g. business units b. 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. c. community cloud infrastructure is a composition of two or more distinct cloud infrastructures that remain unique entities but are bound together by standardized or proprietary technology.

a. b.

Which of the following are important questions to ask before signing a service level agreement with a cloud services security vendor? (3) a. are you in compliance with local, state, and federal security standards and regulations? b. do you go through external security audits? c. how is data from different corporations kept separate? d. how are blocks of transactions linked together?

a. b. c.

Which statement describes part of the process for sending information on the Internet? More than one answer may be correct. (3) a. each device connecting to the Internet must have a network interface card (NIC) installed. b. devices connect to the Internet using either network cables or wireless technologies c. modems and routers are connected to the Internet via an Internet Service Provider (ISP) d. server software on digital devices serve as a bridge between that device and all others on the Internet

a. b. c.

Which of the following services are often provided by platform as a service (PaaS)? (3) a. build scalable apps without having to write any code b. provide social media capabilities c. host hardware and software d. provide an organization with servers

a. build scalable apps without having to write any code b. provide social media capabilities c. host hardware and software

What are the major issues faced by organizations in terms of data and information that were addressed by cloud computing? More than one answer may be correct. a. data management b. storage c. costs d. security

a. data management b. storage c. costs

Which of the following is a common method of connecting a LAN to the Internet? (3) a. fiber optic cables b. ethernet cables c. coaxial cables d. satelite signals

a. fiber optic cables b. ethernet cables c. coaxial cables

Describe the benefits of cloud computing. More than one answer may be correct. a. flexibility b. cost savings c. collaboration d. local copies of data

a. flexibility b. cost savings c. collaboration

For laptops and tablets to use a LAN to connect to the Internet wirelessly, a. the LAN device hosting the ISP connection must act as a wireless access point. b. the ISP must transform the wired LAN to a wireless LAN for these users. c. the LAN must be connected to the Internet with a wired digital subscriber line (DSL) d. the organization or individual customer must pay additional money to the ISP

a. the LAN device hosting the ISP connection must act as a wireless access point.

Which of the following is true about geographic information systems (GIS)? More than one answer may be correct (3) a. a GIS uses a global positioning system (GPS) powered by at least 24 satellites. b. combined with GPS, GIS is used to guide the transport of goods to different locations c. spatial data generated from GIS is used by organizations to make better decisions d. GIS data is only available to users and organizations in the form of maps

a., b., c.

In addition to overall digital flexibility, technological savings, and increased collaboration, computing in the cloud provides organizations with a. better software b. disaster recovery c. inexpensive hardware d. diminished security

b. disaster recovery

What is the main purpose of content delivery networks (CDN)? a. to automate content uploads to an organization's website b. to minimize the distance between website users and website servers c. to house and allow access to an organization's internal data d. to deliver updates to systems and individual computers

b. to minimize the distance between website users and website servers.

The main advantage of the IPv6 format for IP addresses is that a. it can be given a verbal name without using the Domain Name System(DNS) b. it is shorter and easier to remember than addresses in the IPv4 format c. it can accommodate many more addresses than the IPv4 format d. it can be temporarily assigned by your Internet Service Provider (ISP)

c. it can accommodate many more addressees than the IPv4 format.

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? a. software hosting b. data analytics c. mobile software development kit d. social and mobile capabilities

c. mobile software development kit