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Networking and Connecting to the
Internet
Which organization manages domain names and Internet Protocol (IP) addresses on the Internet? - correct answer ✔✔the Internet Corporation of Assigned Names and Numbers (ICANN) The Internet is a global network of interconnected networks that uses what? - correct answer ✔✔Hardware such as servers and routers. Software, specifically the Transmission control protocol/internet protocol (TCP/IP) suite of Internet protocols. Transmission media such as fiber optic cable and satellite (microwave) signals. Information is transferred over the Internet in small data groupings called ___ - correct answer ✔✔Packets Paul Baran developed packet ___ in hopes of making Semi-automatic ground environment (SAGE) less vulnerable - correct answer ✔✔Switching ARPA (now called DARPA) stands for the ___ - correct answer ✔✔Advanced Research Projects Agency The central controlling agency of the Internet is: - correct answer ✔✔Trick question - the Internet has no central controlling agency What is true about the development of the Internet? - correct answer ✔✔One of ARPAnet's challenges was to ensure that if individual computers or networks failed, the overall network would continue to operate. Paul Baran developed packet switching. For a network to connect to the Internet, it must use the ___ suite of protocols - correct answer ✔✔transmission control protocol/Internet protocol (TCP/IP)
SAGE was developed during the ___ War - correct answer ✔✔Cold Data on the Internet is usually stored on specialized computers called ___ - correct answer ✔✔Servers Telephones were connected using circuit switching while the Internet uses ___ switching - correct answer ✔✔Packet The redundancy of Internet connectivity is based on a technology called ___ - correct answer ✔✔Packet switching What is true regarding how circuit switching works when you make a traditional land line based phone call? - correct answer ✔✔When you pick up the receiver it creates an open connection to the local telephone switch. 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. 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. The protocols that led to the development of the Internet were first used in a network called ARPAnet. ARPA (now called DARPA) stands for ___ - correct answer ✔✔Advanced Research Projects Agency The forerunner of today's Internet was the DoD's (Department of Defense) - correct answer ✔✔ARPAnet What is true regarding the history of the Internet? - correct answer ✔✔Packet switching allows a message to be divided into many packets rather than traveling on one phone circuit. ARPA hired MIT Professor J.C.R. Licklider to connect computer networks of four universities. ARPAnet was built to ensure that if individual networks or computers fail, ARPAnet would still be functional. By ensuring that transmissions can be sent even when several sites are not working, ___ technology made the Internet possible - correct answer ✔✔Packet switching
That Internet Service Providers (ISPs) cannot throttle (slow) data, or charge fees, from specific content providers (such as Netflix) is a concept known as ___ - correct answer ✔✔Net neutrality An Internet connection capable of supporting multiple devices at once is called a ___ connection. - correct answer ✔✔Broadband What are commonly used Internet transmission media? (2) - correct answer ✔✔Coaxial cable, ethernet cable, and fiber optic cable What are characteristics of fiber-optic lines? - correct answer ✔✔Made of one or thousands of fibers High-speed transmission Your Internet signal is carried on a ___ - correct answer ✔✔Transmission media Fiber-optic cable is ___ to install than coaxial (television) cable - correct answer ✔✔More expensive The volume of data that can be carried on an Internet transmission media in an amount of time is called __ - correct answer ✔✔Bandwidth Telephone wire is also called ___ pair wire - correct answer ✔✔Twisted An Internet connection that has enough bandwidth to allow multiple computers to be connected to the same router is called a ___ connection - correct answer ✔✔Broadband The cable that is most commonly used within a network is called ___ cable and is sold by category (CAT- 7, for example) - correct answer ✔✔Ethernet What are the common reasons for purchasing broadband Internet service? - correct answer ✔✔You have several devices online at the same time. You want to stream music or video.
You need relatively high-speed Internet service. The transmission media with the largest bandwidth is ___ - correct answer ✔✔Fiber-optic cable Television cable is also known as ___ cable. - correct answer ✔✔Coaxial A Wi-Fi connection is often referred to as a ___. - correct answer ✔✔Hotspot What are the characteristics of cellular service? - correct answer ✔✔Fastest-growing means of accessing the Internet Allows mobile devices to access the Internet Many smartphones can convert cellular signals into Wi-Fi signals The fastest growing Internet Service Provider media is __. - correct answer ✔✔cellular Internet service The device in a network that coverts analog (wave) signals into binary (digital) signals and vice-versa is a ___ - correct answer ✔✔Modem The cable that is most commonly used within a network is called ___ cable and is sold by category (CAT- 7, for example). - correct answer ✔✔Ethernet What are characteristics of a router? - correct answer ✔✔Connects networks Provides hardware firewall protection Usually incorporates switches Radio waves that transmit Internet signals to and from satellites in space are called ___. - correct answer ✔✔Microwaves What is true regarding switches? - correct answer ✔✔Connect computers and other devices within a network
The device that allows several computers to use your home network with just one Internet connection is called a ___ - correct answer ✔✔Switch What is true regarding an IP address? - correct answer ✔✔IP stands for Internet Protocol. In most home networks IP addresses are assigned by the Internet Service Provider. If two laptops are connected to the same home network, they connect to the Internet through the same IP address. Every computer connected to a network has a network interface card that contains a unique ___ address, allowing the switch to identify it. - correct answer ✔✔MAC When you request information from a website such as Wikipedia, the way its server knows which router to send the requested information to is because your router is identified by its ___ address. - correct answer ✔✔IP What is true regarding dual-band routers? - correct answer ✔✔Can transmit Wi-Fi signals in the 2.4 GHz frequency range Can transmit Wi-Fi signals in the 5.0 GHz frequency range Can minimize the Wi-Fi signal's interference from microwave ovens and car alarms The network portion of an IP address which is also called the ___ identifier is indicated by a certain number of bits, starting with the left-most bit. - correct answer ✔✔Network IP Addresses are assigned by the Internet Corporation for Assigned Names and ___ (ICANN) - correct answer ✔✔Numbers What is true regarding Internet Protocol (IP) addresses? - correct answer ✔✔Assigned to your home network by your ISP. Means by which your network is identified by other servers and computers on the Internet. ISPs usually have blocks of IP addresses that they assign as demanded.
What is true regarding how IP addresses are determined? - correct answer ✔✔An IP address is determined by the network on which it is hosted. All hosts on the same network share the same established network address, but are assigned a unique host number. Often IP addresses are structured and assigned by a service called a Dynamic Host Configuration Protocol (DHCP). If choosing between cable Internet or DSL Internet service, the Internet transmission medium that tends to provide the most consistent download speed is ___ - correct answer ✔✔DSL Servers identify your router by its __ address. - correct answer ✔✔IP 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. - correct answer ✔✔Cable The _____ portion of an IP address is indicated by the remaining bits that are present after the network identifier and identify the host of the network. - correct answer ✔✔Host What is true regarding IP addresses? - correct answer ✔✔When you purchase your Internet service from an ISP you receive the right to use their block of assigned addresses. IP Addresses are assigned by the Internet Corporation for Assigned Names and Numbers (ICANN). Fiber-optic Internet service: - correct answer ✔✔Is not available in all neighborhoods An IP address is determined by the network on which it is - correct answer ✔✔Hosted What is true regarding satellite Internet service? - correct answer ✔✔Uses microwaves to deliver service Provides broadband service virtually anywhere Customers usually purchase a data plan that limits uploading and downloading Of the following, the Internet service that tends to provide the most consistent speeds is ___. - correct answer ✔✔Digital subscriber line (DSL).
By having your smartphone send and receive Wi-Fi signals you are creating a mobile ___ - correct answer ✔✔Hotspot What should be considered when choosing an Internet Service Provider (ISP)? - correct answer ✔✔How many users will be logged on my network at the same time? Will users be streaming data? What ISP choices are available in my area? DSL - correct answer ✔✔Uses existing phone lines as transmission medium , Choice, Speeds and bandwidths tend to be consistent Speeds and bandwidths tend to be consistent , Choice, Often bundled with telephone service Often bundled with telephone service Cable - correct answer ✔✔Uses coaxial cable , Choice, Usually higher top speeds though often inconsistent Usually higher top speeds though often inconsistent , Choice, Often bundled with television Often bundled with television What are considerations for choosing fiber optic Internet service? - correct answer ✔✔Is it available? Is the bandwidth necessary? Is it affordable? Rather than purchasing separate cable or DSL Internet service for a home network, many individuals find it less expensive to add to their cellular ___ plan and only access the Internet through their smartphone or tablet. - correct answer ✔✔Data A request for an electronic "echo" or response from another computer or server is called a ___. - correct answer ✔✔Ping
What are considerations when determining your data and download speed requirements? - correct answer ✔✔Do you play dynamic, interactive, first-player shooter type games? Do you like to stream video? The ___ protocol allows documents to be sent over computer networks. - correct answer ✔✔Hypertext What are examples of streaming? - correct answer ✔✔Listening to Pandora Watching a Twitch stream Watching a movie on Netflix Hypertext made the ___. - correct answer ✔✔World Wide Web possible Web 1.0 - correct answer ✔✔The web before blogs, wikis, and interactive media. Web 2.0 - correct answer ✔✔Known as the interactive web. Made cloud computing and interactive content feasible. Web 3.0 - correct answer ✔✔Known as semantic web. Made searching for information easier. The ____ lets computer users drag images and documents across their computer's monitor. - correct answer ✔✔graphical user interface (GUI) A URL identifies a particular ___ address on the World Wide Web. - correct answer ✔✔File Leading to the creation of the World Wide Web, the __ allowed users to send documents and images across networks. - correct answer ✔✔hypertext transfer protocol (HTTP) Protocols for the World Wide Web are maintained and updated by the World Wide Web ____ - correct answer ✔✔Consortium
Protocols for the World Wide Web are maintained and updated by the World Wide Web ___ - correct answer ✔✔Consortium What are the characteristics of networks? - correct answer ✔✔Provide the ability to share files and information Allow users to share resources which saves money and time Allow users to access other networks and the Internet A computer that requests resources such as a web page, spreadsheet, image file, or services from another computer on a network is called a ___ - correct answer ✔✔Client In a server-based network the individual computers and devices (or software) that make requests are called _____. - correct answer ✔✔Clients A ____ , like Adobe Reader, is software that can be added to increase the functionality of a browser. - correct answer ✔✔Plug-in A local ___ network (LAN) is a collection of computers that are connected in a small geographic area such as an office, college campus, or in your home. - correct answer ✔✔Area What is true regarding filters? - correct answer ✔✔Filters limit the material browsers fetch Parents often use search engine filters to restrict offensive images from being displayed on a computer's monitor Filter settings are often accessed through a browser's preferences The largest WAN on the earth is the ___ - correct answer ✔✔Internet A _____ is 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. - correct answer ✔✔Network Remote access connections must be secured using authentication and encryption software. ______ software confirms the identity of the user or computer system. - correct answer ✔✔Authentication
A computer (or software) that provides resources and services to client computers is a ___ - correct answer ✔✔Server A virtual private ___ (VPN) creates a secure connection between two computers. VPNs allow for encrypted communications using the Internet as the pathway for data transmission and communication.
- correct answer ✔✔Network Client/server networks are also referred to as ___ based networks. - correct answer ✔✔Server The most popular network transmission media standard (the cable used) for LANs is ___ - correct answer ✔✔Ethernet When two or more LANs have been connected using a public network a _____ is created. - correct answer ✔✔WAN IT professionals spend a lot of time protecting networks from unauthorized connections from outside into a LAN. However, there are times when it is necessary to allow outside connections to a LAN. This is referred to as ___ access. - correct answer ✔✔Remote A virtual _____ network (VPN) creates a secure connection between two computers. - correct answer ✔✔Private Which two of the following statements are true about the development of the Internet? - correct answer ✔✔- One of ARPAnet's challenges was to ensure that if individual computers or networks failed, the overall network would continue to operate.
- Paul Baran developed packet switching The network that encompasses all the networks around the world that are connected to each other using TCP/IP is referred to as the - correct answer ✔✔Internet Which three of the following statements are true regarding packet switching? - correct answer ✔✔- The Internet uses packet switching to transfer data and information between hosts.
Paul Baran developed a technology called - correct answer ✔✔packet switching that made the Internet reliable (and possible!). The capacity of a particular transmission medium is called its - correct answer ✔✔bandwidth Which three of the following are the common reasons for purchasing broadband Internet service? - correct answer ✔✔- You have several devices online at the same time.
- You want to stream music or video.
- You need relatively high-speed Internet service. Which three of the following are commonly used Internet transmission media? - correct answer ✔✔- Coaxial Cable
- Ethernet Cable
- Fiber Optic Cable Which two of the following are characteristics of fiber-optic lines? - correct answer ✔✔- Made of one or thousands of fibers
- High-speed transmission Of following, ___ has the most bandwidth. - correct answer ✔✔CAT 7 cable A public Wi-Fi site is referred to as a - correct answer ✔✔hotspot Which 3 of the following are true regarding Wi-Fi? - correct answer ✔✔Which 3 of the following are true regarding Wi-Fi? Multiple devices can be connected to one signal.Transmit Internet signals via radio waves.Transmission connections are known as hotspots Television cable is also known as ________ cable - correct answer ✔✔coaxial
Which three of the following are the characteristics of cellular service? - correct answer ✔✔- Fastest- growing means of accessing the Internet
- Allows mobile devices to access the Internet
- Many smartphones can convert cellular signals into Wi-Fi signals Select the wall outlet for a DSL cord: - correct answer ✔✔ethernet Radio waves that transmit Internet signals to and from satellites in space are called ___. - correct answer ✔✔microwaves The cable that is most commonly used within a network is called ---------- cable and is sold by category (CAT-7, for example). - correct answer ✔✔Ethernet Which three of the following statements are true regarding switches? - correct answer ✔✔- Connect computers and other devices within a network
- Usually integrated in the routers of home networks
- Ensure correct data are transferred to and from the correct computers in networks Router MAC address Modem Switch - correct answer ✔✔- Connects two networks
- Identifies a device within a network signals
- Converts analog signals into digital signals, and digital signals into analog signals
- Connects devices within a network The device that divides and connects two networks is a ___. - correct answer ✔✔router Which three of the following statements are true regarding dual-band routers? - correct answer ✔✔Can transmit Wi-Fi signals in the 2.4 GHz frequency range
All hosts on the same network share the same established network address, but are assigned a unique host number. Often IP addresses are structured and assigned by a service called a Dynamic Host Configuration Protocol (DHCP). Many cellular ISPs offer modem/router combination devices that can create a(an) ___. - correct answer ✔✔Wi-Fi hotspot Which two of the following statements are true regarding digital subscriber line (DSL) Internet service? - correct answer ✔✔Uses telephone wires as transmission wires Internet signal tends to be very consistent When determining how much cell phone data you need it is important to consider which two of the following? - correct answer ✔✔How much data you currently use? Do you use your phone to stream movies or TV? Which three of the following statements are true regarding cable Internet service? - correct answer ✔✔Uses the same coaxial cable that brings the cable television signal Usually has more bandwidth than DSL lines Internet service can often be bundled with television service Satellite Internet service providers primarily use ____ to deliver Internet signals. - correct answer ✔✔microwaves Which three of the following should be considered when deciding whether or not to use cellular Internet service at home? - correct answer ✔✔Is a broadband (4G or 5G) cellular signal available? Will multiple users be logging onto the network? If on a limited data plan, how much data are typically uploaded/downloaded per month? Which three of the following statements are true regarding cellular Internet service? - correct answer ✔✔Uses cell phone radio waves to transmit and receive Internet signals. Many providers offer data packages that may place limits on uploading and downloading.
Many smartphones can send and receive Wi-Fi signals, allowing them to become hotspots. Which three of the following should be considered when choosing an Internet Service Provider (ISP)? - correct answer ✔✔How many users will be logged on my network at the same time? Will users be streaming data? What ISP choices are available in my area? Gaming and _______ (watching videos or listening to music) take more bandwidth and require higher downloading speeds. - correct answer ✔✔streaming Some cell phone carriers that promise "unlimited data" will actually limit your high-speed 4G LTE data to a couple of gigabytes per month. - correct answer ✔✔True Which 2 of the following are considerations when choosing fiber-optic Internet service? - correct answer ✔✔Is it available? Is it affordable? A request from one computer to another computer (usually a server) to respond with an electronic signal is called a - correct answer ✔✔ping For ___ it may be less expensive to add to an existing cell phone data plan and to use the phone as a hotspot than to add wired Internet service. - correct answer ✔✔individual users Which 2 of the following are considerations when determining your data and download speed requirements? - correct answer ✔✔Do you like to stream video? Do you play dynamic, interactive, first-player shooter type games? Watching or listening to a file on the Internet without saving or copying it first is called: - correct answer ✔✔streaming Of the following, which requires the most bandwidth? - correct answer ✔✔streaming video
