2-1: Network, Internet, Cloud

Which three of the following are commonly used Internet transmission media?

A) Coaxial cable ✅ B) Ethernet cable ✅ C) Fiber optic cable ✅ D) Electrical cable Reason: This is an electrical cord. In general, electrical power circuits create too much electromagnetic interference to effectively carry an Internet signal. It is physically possible though, and some companies even promote it's use, though it's still not a common means of transmission.

Select all that apply Which three of the following statements are true regarding switches?

A) Connect computers and other devices within a network ✅ B) Usually integrated in the routers of home networks ✅ C) Ensure correct data are transferred to and from the correct computers in networks ✅ D) Primary function is to connect two networks Reason: Connecting networks is the role of routers.

Select all that apply Which three of the following are the characteristics of networks?

A) Provide the ability to share files and information ✅ B) Allow users to share resources which saves money and time ✅ C) Allow users to access other networks and the Internet ✅ D) Only accessible to large corporations and governments Reason: Networks can be as small as a home network and as large as the Internet and can be accessible to anyone with a network connection.

Installing the printer is the third step in setting up a Wi-FI network at home.

A) True Reason: Incorrect. It is not necessary to install a printer in order to have a home Wi-Fi network, but if you did install one this would occur after accomplishing the three main steps. B) False

Your___provides firewall protection for your home network. It connects your home network to your ISP's network.

A) Wi-Fi Reason: Incorrect. Wi-Fi is a wireless Internet protocol. B) bluetooth Reason: Incorrect. Bluetooth is a short-range wireless communication protocol. C) router ✅ D) modem Reason: Incorrect. A modem converts analog signals into digital signals and vice-versa.

Fiber-optic Internet service:

A) is available in all neighborhoods. Reason: Incorrect. It is not available everywhere yet, but competition is pushing rapid expansion. B) is not available in all neighborhoods. ✅

That Internet Service Providers (ISPs) cannot throttle (slow) data, or charge fees, from specific content providers (such as Netflix) is a concept known as ___.

A) net neutrality ✅ B) Internet freedom Reason: Incorrect. While it may seem to offer Internet freedom, the actual term is net neutrality. C) dumb pipe Reason: Incorrect. Dumb pipe is a term that has been used to describe net neutrality. D) over-provisioning Reason: Incorrect. Proponents of net neutrality believe that it promotes innovation because if large corporations such as Netflix could pay ISPs for more bandwidth they could easily run smaller content providers off the Internet.

Your home network's Wi-Fi name is its ______ , and is transmitted by your wireless router every few seconds unless you turn it off.

SSID or Service Set Identifier

Of the following, which requires the most bandwidth?

Streaming video

Digital subscriber line (DSL) Internet service providers use __ to bring you Internet service.

Telephone lines

To transmit large files from one server to another over the Internet, many use the File ____ Protocol.

Transfer

The specific means by which your Internet signal is carried is called its __ media. Examples include fiber optic cable, coaxial (television) cable, twisted-pair (telephone) wire, and Ethernet cable.

Transmission

WWW stands for World Wide ____.

Web

A computer that requests resources such as a web page, spreadsheet, image file, or services from another computer on a network is called a ____.

client

A computer that requests resources such as a web page, spreadsheet, image file, or services from another computer on a network is called a _____.

client

Large and small businesses find they can __________ their reliance on internal IT infrastructure and reduce cost by utilizing Cloud-based technologies.

decrease

A wireless router that transmits Wi-Fi signals on two separate frequencies is a ____ - band router

dual

Routers that can send Internet signals over two distinct frequencies are called _____ routers.

dual-band

By offloading a portion of the computing from the cloud or user's device and processing it at a location closer to the user, ___ computing speeds processing and is especially necessary for IoT.

edge

A security system separating two networks or even computers on the same network is a ___.

firewall

A public Wi-Fi site is referred to as a

hotspot

The device in a network that coverts analog (wave) signals into binary (digital) signals and vice-versa is a _____.

modem

The device that connects two networks and often provides firewall protection is a ____.

router

Put these steps in the proper order to explain communication over the Internet. Instructions

1) Assemble the data packet. 2) Correct domain name is identified (e.g., www.amazon.com). A domain name is a unique name affiliated with an IP address. 3) Look up IP address. Domain name system (DNS) is used to simplify the process. 4) IP (Internet Protocol) Address is added to the packet. 5) Transmission Control Protocol (TCP). TCP is an Internet protocol that ensures delivery of packets. 6) Message is sent/shipped using a variety of different carriers (ISPs). Often messages "hop" or move from one network to another.

Match the following terms. 1) Web 1.0 2) Web 2.0 3) Web 3.0

1) The web before blogs, wikis, and interactive media. 2) Known as the interactive web. Made cloud computing and interactive content feasible. 3) Known as semantic web. Made searching for information easier.

Hypertext made the ___ .

A) Ixquick possible. Reason: Incorrect. Ixquick (StartPage) is a search engine. B) basic input/output system (BIOS). Reason: Incorrect. BIOS is computer firmware. C) Internet possible. Reason: Incorrect. The Internet preceded the development of HTTP. D) World Wide Web possible. ✅

Fiber-optic cable is ___ to install than coaxial (television) cable.

A) just as expensive. Reason: Incorrect. Fiber-optic cable, while relatively inexpensive to manufacture in large quantities, is relatively expensive to install. B) much less expensive. Reason: Incorrect. Quite the opposite, fiber-optic cable is relatively expensive to install. C) less expensive. Reason: Fiber-optic cable, while relatively inexpensive to manufacture, is relatively expensive to install. D) more expensive. ✅

Web 3.0 is a distributed collection of "linked data" on the web that is structured to make searches more effective. This is also known as the:

A) knowledge-based web. Reason: Incorrect. Web 1.0 might be considered a knowledge-based Web that did not involve any interaction. B) holistic web. Reason: Incorrect. Web 3.0 is also called the semantic web because it provides a standardized way of connecting hyperlinks based on meaning. C) semantic web. ✅ D) artificial intelligence web. Reason: Incorrect. The goal of Web 4.0 is to integrate A.I>

Data on the Internet is usually stored on specialized computers called ___.

A) routers Reason: Incorrect. Routers are used to connect two different networks on the Internet. Most home routers also incorporate modems and switches. B) switches Reason: Incorrect. Network switches are used to ensure data packets are transferred to the correct clients on a network. C) servers ✅ D) modems Reason: Incorrect. Modems are used to translate analog signals into digital signals and vice-versa.

The transmission media with the largest bandwidth is ___.

A) telephone (DSL) cable. Reason: Incorrect. Fiber-optic cable currently offers the most bandwidth. Unfortunately it is not available for household service in all areas. B) landline cable. Reason: Incorrect. Telephone (landline) wires transmit signals at the speed of electricity in copper wire which is not as fast as the speed of light in fiber optic cable. C) fiber-optic cable ✅ D) coaxial cable. Reason: Incorrect. Coaxial cable cannot approach the speed of fiber optic cable.

For a network to connect to the Internet, it must use the ___ suite of protocols.

A) transmission control protocol/Internet protocol (TCP/IP) ✅ B) hypertext transfer protocol (HTTP/HTTPS) Reason: Incorrect. The HTTP/HTTPS protocols are used to allow the retrieval of resources on the World Wide Web. C) file transfer protocol (FTP) Reason: Incorrect. The file transfer protocol is used to transfer large files over the Internet. D) hypertext markup language (HTML) Reason: Incorrect. HTML is the underlying code for creating files that can be viewed and retrieved on the World Wide Web.

The capacity of a particular transmission medium is called its __.

Bandwidth

Television cable is also known as __ cable.

Coaxial

A ____ name, such as reddit.com, specifies the server or servers supporting a website.

Domain

TLD refers to the highest level in the _____ name hierarchy.

Domain

The cable that is most commonly used within a network is called __ cable and is sold by category (CAT-7, for example).

Ethernet

If available, your highest speed Internet option is going to be ___ service.

Fiber-optic

The protocol used for transmitting large files from one server to another over the Internet is known as the ___ Protocol (FTP).

File Transfer

The concept that Internet Service Providers (ISPs) permit data to be transmitted and accessed without regard to the amount of bandwidth required to transmit the data is known as net __.

Neutrality

Telephones were connected using circuit switching while the Internet uses ____ switching.

Packet

Packet-switched networks break information into units called ___.

Packets

IP, FTP, HTTP, and HTTPS are all acronyms that describe different __.

Protocols

ISP stands for Internet Service ___.

Provider

If your Internet download or upload speeds are lower than advertised, contact your Internet Service _____

Provider

The fastest growing Internet Service Provider media is __.

cellular Internet service

A group of two or more devices/computers connected together to allow for the exchange and information and for the sharing of resources such as printers is called a ____.

network

Gaming and _____ (watching videos or listening to music) take more bandwidth and require higher downloading speeds.

streaming

The device in a network that keeps track of connected devices' MAC addresses and is usually incorporated in a router is the _____.

switch

Domain names and IP addresses on the Internet are managed by ___

the Internet Corporation of Assigned Names and Numbers (ICANN)

Your Internet signal is carried on a ___

transmission media

Put the steps for how circuit switching works when placing a land line based phone call in the correct order.

1) Pick up the receiver which creates an open a connection to the local telephone switch. 2) Dial a number, then the switch connects to other switches along the PSTN. 3) When the call is received a circuit is established and will remain open for the entire length of your call. 4) Once you hang up the phone, the circuit is disconnected, and the switches and wire pathways that had been dedicated to your phone call are now free again for other people to use.

If you receive both a modem and a wireless router from your ISP, place the following steps in the correct order if you wished to setup a Wi-Fi network.

1) Using either coaxial (for a cable modem), a twisted pair (for a DSL modem), connect the modem to the appropriate outlet. 2) Using Ethernet cable, connect the modem to the wireless router. 3) Turn on your computer and connect to the Wi-Fi signal.

There are many protocols that are used to help streamline the communication of all digital devices. For example, Wi-Fi uses the _____ protocol. This protocol ensures that devices enabled with Wi-Fi can connect to any Wi-Fi network.

A) 2.4GHz Reason: Incorrect. This is a frequency used by Bluetooth devices. B) 802.11 ✅ C) 802.16 Reason: Incorrect. This is the WiMAX protocol used for large areas to provide city-wide wireless Internet access. D) 38kHz Reason: Incorrect. This is a frequency used by infrared signals.

Select all that apply Select what's true about Cloud computing in today's business environment. More than one answer may be selected.

A) 93% of small businesses backup some portion of their data using a Cloud provider. ✅ B) Large and small businesses find that the use of Cloud-based technologies increases their reliance on internal IT infrastructure and increases IT costs. Reason: This choice should be selected. More and more global companies are using the Cloud to backup and store data and information. C) 70% of global businesses backup some portion of their data using a Cloud service provider. ✅ D) In the United States, 96% of all organizations use the Cloud in one form or another. ✅

Select all that apply Which three of the following items are needed to install a home Wi-Fi network?

A) An Internet signal ✅ B) A modem ✅ C) A Bluetooth Reason: The three required items include a router, a modem, and an Internet signal. D) A router ✅

Select all that apply Which three of the following statements are true regarding a Wi-Fi's service set identifier (SSID)?

A) An SSID is the Wi-FI's name. ✅ B) Most routers transmit the SSID every few seconds so roaming devices can find the signal. ✅ C) In home networks, after all legitimate devices have connected to SSID once, transmitting the SSID is unnecessary. ✅ D) Once an SSID has been established it cannot be changed. Reason: You can change your Wi-Fi's SSID as often as you like.

Select all that apply Which three of the following statements are true regarding dual-band routers?

A) Can transmit Wi-Fi signals in the 2.4 GHz frequency range ✅ B) Can transmit Wi-Fi signals in the 5.0 GHz frequency range ✅ C) Can minimize the Wi-Fi signal's interference from microwave ovens and car alarms ✅ D) Usually less expensive than single band routers Reason: Dual-band routers are usually more expensive than single-band routers.

Select all that apply Which three of the following are the web browsers?

A) Chrome ✅ B) Edge ✅ C) Firefox ✅ D) Yahoo! Reason: Yahoo! is a search engine.

Which 3 of the following are commonly used Internet transmission media?

A) Coaxial (TV) cable ✅ B) Telephone wire ✅ C) Electrical (power) lines Reason: While it is theoretically possible for power lines to carry Internet signals, they create too much electrical interference for ISPs. D) Wi-Fi radio waves ✅

SAGE was developed by the U.S. Department of ___.

A) Defense ✅ B) Education Reason: Incorrect. SAGE was developed during the Cold War for the Department of Defense. C) Energy Reason: Incorrect. The DOE was established to reduce the U.S. dependency on foreign oil and safeguard U.S. nuclear materials. D) Agriculture Reason: Incorrect. The DOA is responsible for regulations pertaining to farming and forestry.

Select all that apply Which three of the following are the characteristics of cellular service?

A) Fastest-growing means of accessing the Internet ✅ B) Allows mobile devices to access the Internet ✅ C) Many smartphones can convert cellular signals into Wi-Fi signals ✅ D) Provides broadband Internet service in all areas Reason: Broadband Internet service is only available in areas of 4G cellular availability

Select all that apply The Internet is a global network of interconnected networks that uses which three of the following?

A) Hardware such as servers and routers. ✅ B) Software, specifically the Transmission control protocol/internet protocol (TCP/IP) suite of Internet protocols. ✅ C) Transmission media such as fiber optic cable and satellite (microwave) signals. ✅ D) The set of Internet guidelines established by the U.N. General Assembly. Reason: The Internet has no over-arching governing agency. Not even the U.N. General Assembly.

Select all that apply Which 2 of the following are considerations when determining your data and download speed requirements?

A) How many emails do you typically send? Reason: Sending email does not usually take much bandwidth. B) Do you print a large number of documents? Reason: Your ability to print documents is not impacted by your Internet speed. C) Do you play dynamic, interactive, first-player shooter type games? ✅ D) Do you like to stream video? ✅

Select all that apply Which three of the following should be considered when choosing an Internet Service Provider (ISP)?

A) How many users will be logged on my network at the same time? ✅ B) Will users be streaming data? ✅ C) Will users need to print documents? Reason: The choice of ISPs does not impact the printing of documents. D) What ISP choices are available in my area? ✅

Which might be a possible choice for Internet service in your area?

A) Infrared Internet Reason: Possible Internet Service Provider options include cable Internet, DSL Internet, satellite Internet, and cellular Internet. B) Ultraviolet Internet Reason: Possible Internet Service Provider options include cable Internet, DSL Internet, satellite Internet, and cellular Internet. C) Cable Internet ✅ D) Morse Internet Reason: Possible Internet Service Provider options include cable Internet, DSL Internet, satellite Internet, and cellular Internet.

Select all that apply Which two of the following are characteristics of fiber-optic lines?

A) Made of one or thousands of fibers ✅ B) High-speed transmission ✅ C) Susceptible to electromagnetic interference Reason: Fiber-optic lines allow minimal electromagnetic interference. D) Inexpensive to install Reason: Fiber-optic lines are relatively expensive to install.

Broadband is usually measured in __.

A) Mbps ✅ B) Kbps Reason: Incorrect. Broadband is measured in millions of bits per second (Mbps). C) Tbps Reason: Incorrect. Broadband is measured in millions of bits per second, not trillions of bits (yet!). D) Pbps Reason: Incorrect. It will be a while before bandwidth is measured in petabits per second.

The word "modem" stands for:

A) Modulator-Demodulator ✅ B) Mode Emulator Reason: Modems change signals from analog waves (modulated) to digital (demodulated) signals. C) Modulator-Demonstrator Reason: Modems change signals from analog waves (modulated) to digital (demodulated) signals. D) Monitor Device Reason: Modems change signals from analog waves (modulated) to digital (demodulated) signals.

Select all that apply Which 3 of the following are true regarding Wi-Fi?

A) Multiple devices can be connected to one signal. ✅ B) Transmit Internet signals via radio waves. ✅ C) Transmission connections are known as hotspots. ✅ D) Are always secure from intruders. Reason: Wi-Fi connections can easily be hijacked. Be sure to use WPA2 protection on your home network.

The device that divides and connects two networks is a ___.

A) RAM Reason: Incorrect. Random access memory is the memory that a CPU uses to process data. B) modem Reason: Incorrect. A modem (modulator/demodulator) converts analog to digital signals and vice-versa. C) Wi-Fi Reason: Incorrect. Because your router separates your home network from your ISP's network you should assign strong passwords and firewall protection. D) router ✅

The device that allows several computers to use your home network with just one Internet connection is called a ___.

A) ROM Reason: Incorrect. ROM stands for read-only memory. B) modem Reason: Incorrect. Often, the switch is included in the same unit that holds your router and modem. C) CPU Reason: Incorrect. Switches allow multiple devices to be connected to a network. D) switch ✅

SAGE was developed during the ___ War.

A) Revolutionary Reason: Incorrect. George Washington fought in the Revolutionary War. This occurred 200 years before ARPAnet was established to develop a computer network. B) Cold ✅ C) Civil Reason: Incorrect. SAGE was developed during the Cold War. D) Spanish-American Reason: Incorrect. Teddy Roosevelt's Rough Riders charged San Juan Hill in Cuba during the Spanish-American War. There were no Wi-Fi connections then.

Select all that apply Which two of the following sites offer Internet speed test services?

A) Speedtest.net ✅ B) TestMy.net ✅ C) Wikipedia.com Reason: This is a good site for research, but it would not test your Internet connection's speed. D) Reddit.com Reason: This is site often has interesting info, but it would not test your Internet connection's speed.

Which of the following group determines the standards for the Web?

A) The World Wide Web Consortium (W3C) ✅ B) The Internet Corporation for Assigned Names and Numbers (ICANN) Reason: Incorrect. ICANN has overall responsibility for domain names. C) Internet Electronics and Electrical Engineers (IEEE) Reason: Incorrect. There is no Internet Electronics and Electrical Engineers group, though there is an International Electronics and Electrical Engineers group. D) Internet Organization for Standardization (ISO) Reason: Incorrect. ISO determines other types of protocols.

Select all of the characteristics of that explain how the Internet works.

A) The connections points in the Internet are called nodes. ✅ B) Information sent over the Internet is transferred in small groupings called segments. Reason: This choice should not be selected. Information is sent on the Internet in small groupings called packets. C) Data is transferred from one network to another network through hardware called routers. ✅ D) Data on the Internet is usually stored on specialized computers called servers. ✅

Although it sounds ironic, searching the

A) Thrifty Nickel is usually an efficient way to find an ISP in your area. Reason: Searching the Internet can show you the fastest ISPs in your area. B) classifieds is usually an efficient way to find an ISP in your area. Reason: Searching the Internet can show you the fastest ISPs in your area. C) Internet is usually an efficient way to find an ISP in your area. ✅ D) yellow pages is usually an efficient way to find an Internet service provider (ISP) in your area. Reason: Searching the Internet can show you the fastest ISPs in your area.

When referring to the World Wide Web, TLD stands for ___.

A) Trending Local Data Reason: Incorrect. Trending topics can be found on Twitter.T B) Total Liquid Diet Reason: Incorrect. Total liquid diet is what I intend to go on after the holidays. C) Threshold Level Delta Reason: Incorrect. Top Level Domains, such as .com, .edu, and .gov divide Internet sites into major categories. D) Top Level Domain ✅

Many 4G and 5G cellular Internet Service Providers offer a device that serves as a hotspot for your home and includes an integrated modem and router.

A) True ✅ B) False Reason: Incorrect. Many 4G and 5G cellular Internet Service Providers offer a device that serves as a hotspot for your home and includes an integrated modem and router.

Select all that apply Which three of the following statements are true regarding cable Internet service?

A) Uses the same coaxial cable that brings the cable television signal ✅ B) All ISPs provide a modem with a router included for free with their service plans Reasons: Most ISPs do not provide free modems/routers. C) Usually has more bandwidth than DSL lines ✅ D) Internet service can often be bundled with television service ✅

The original protocol (standard) for Wi-Fi security that was widely introduced in 1999 but replaced in 2003 was known as ___.

A) WPA2 Reason: Incorrect. WPA2 quickly replaced WPA when vulnerabilities were discovered. B) WPA Reason: Incorrect. WPA replaced WEP in 2003. C) WEP ✅ D) WEP2 Reason: Incorrect. WPA replaced WEP in 2003. WPA2 quickly replaced WPA when vulnerabilities were discovered. There was never a WEP2.

Select all that apply Which three of the following statements are true regarding how circuit switching works when you make a traditional land line based phone call?

A) When you pick up the receiver it creates an open connection to the local telephone switch. ✅ B) When you dial a number, then the switch connects to other switches along the public switched telephone network (PSTN). This forms a physical path between your phone and the person you are calling. ✅ C) When the call is received a circuit is established and will remain open for the entire length of your call. As long as the circuit remains open, no one else can use the telephone line. ✅ D) Once you hang up the phone, the circuit is disconnected, and the switches and wire pathways that had been dedicated to your phone call take about 15 minutes for other people to use. Reason: Incorrect. Once you hang up the phone, the circuit is disconnected, and the switches and wire pathways that had been dedicated to your phone call are now free again for other people to use.

Many cellular ISPs offer modem/router combination devices that can create a(an) ___.

A) Wi-Fi hotspot ✅ B) IP address Reason: Incorrect. Sending and receiving Wi-Fi signals is a characteristic of a mobile hotspot. C) GPS signal Reason: Incorrect. Many cellular ISPs, such as Verizon, offer a "hotspot" device that can provide WiFi capability where ever 4G service is available. D) LAN Reason: Incorrect. The transmission media usually associated with a LAN is Ethernet cable.

Select all that apply Which three of the following are the common reasons for purchasing broadband Internet service?

A) You have several devices online at the same time. ✅ B) You want to stream music or video. ✅ C) You want to use Office 2019. Reason: Office 2019 productivity software is loaded on your computer's hard drive. You do not need Internet service to use it. D) You need relatively high-speed Internet service. ✅

The volume of data that can be carried on an Internet transmission media in an amount of time is called __.

A) bandwidth ✅ B) broadband Reason: Incorrect. Broadband is the ability to carry multiple signals. C) baseband Reason: Incorrect. Larger bandwidth = more data per second D) latency Reason: Incorrect. Latency measures how fast a signal can travel.

To reduce latency caused by network congestion and bandwidth limitations, the Internet of Things (IoT) has necessitated the creation of local networks of local servers to reduce transmission delays. This is called:

A) edge computing ✅ B) fringe computing Reason: Incorret. Edge computing (not fringe computing) allows a portion of the processing to be executed by smaller Edge servers positioned between the cloud and the user. The correct choice is edge computing. C) PAN computing Reason: Incorrect. PAN stands for personal area network and refers to a persons network of a personal hotspot or items connected to their phone via Bluetooth technology. Edge computing allows a portion of the processing to be executed by smaller Edge servers positioned between the cloud and the user. The correct choice is edge computing. D) LAN (local area network) computing Reason: Incorrect. A local area network is simply a system of connected computers in a geographically limited area. Edge computing allows a portion of the processing to be executed by smaller Edge servers positioned between the cloud and the user. The correct choice is edge computing.

The World Wide Web refers to the billions of ___.

A) hypertext files accessible through the Internet ✅ B) images accessible through the Internet Reason: Incorrect. By placing files into the hypertext format and using the hypertext transfer protocol, billions of users can access billions of files. C) text documents accessible through the Internet Reason: Incorrect. The hypertext transfer protocol makes many files accessible via the Internet. D) video files accessible through the Internet Reason: Incorrect. The hypertext transfer protocol enables the accessibility of billions of files.

Select the domain name.

A) www.cnet.com/articles/domainnames Reason: Incorrect. The domain name does not include the fact that it is on the Web (www) B) mheducation.com ✅ C) http://www.mit.edu/computers Reason: Incorrect. The domain name does not state that it uses the hypertext transfer protocol (http) D) .gov Reason: Incorrect. This is a top-level domain, not a domain name.

Of following, ___ has the most bandwidth.

CAT 7 cable

Information is transferred over the Internet in small data groupings called __.

Packets

WEP stands for __ equivalent privacy. WEP has been replaced by the far more secure WPA2 protocol.

Wired

An Internet connection capable of supporting multiple devices at once is called a ___ connection.

broadband

An Internet connection that has enough bandwidth to allow multiple computers to be connected to the same router is called a _____ connection.

broadband

Because it uses the same wire that carries television signals, you usually do not have a choice regarding the _____ Internet Service Provider uses in your neighborhood.

cable