Connecting Your LAN to the Internet
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Connecting Your LAN to the Internet

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Questions and Answers

Which security option provides the highest level of security for unlocking a mobile device?

  • Password
  • Fingerprint (correct)
  • None
  • Pattern lock

    • What does the Status Bar on a mobile device display?

  • All notifications and status icons together only
  • Signal strength, battery level, and current time (correct)
  • Notification icons on the left and app shortcuts on the right
  • Time and available software updates only

    • What are widgets on the Home screen primarily used for?

  • Grouping multiple apps into a single icon
  • Providing shortcuts to app folders
  • Launching applications only
  • Displaying self-contained applications like clocks and calendars (correct)

    • How can users navigate between different Home screen pages?

    <p>By swiping left or right on the screen</p> Signup and view all the answers

    What function do app shortcuts perform on the Home screen?

    <p>Launching installed applications with a tap</p> Signup and view all the answers

    What is indicated by the Home screen indicator icon?

    <p>Which Home screen is currently displayed</p> Signup and view all the answers

    What option allows the user to set their phone to never use a lock screen?

    <p>None</p> Signup and view all the answers

    What is the purpose of the dock on the Home screen?

    <p>To provide shortcuts for frequently used applications</p> Signup and view all the answers

    What is the main function of output devices?

    <p>To send information to the user</p> Signup and view all the answers

    What is the role of Random Access Memory (RAM) in a computer?

    <p>It temporarily stores information for quick access</p> Signup and view all the answers

    Which of the following best describes the purpose of storage devices?

    <p>To hold and retain data when not in use</p> Signup and view all the answers

    How can the amount of RAM required by software vary?

    <p>Different programs have different RAM requirements</p> Signup and view all the answers

    What does the power supply of a computer do?

    <p>It converts AC current to low-voltage DC power</p> Signup and view all the answers

    Which statement is true regarding file sizes and memory?

    <p>There must be enough RAM to hold files while in use</p> Signup and view all the answers

    Which of the following is NOT a function of memory in computers?

    <p>Storing data permanently</p> Signup and view all the answers

    What is the theoretical top speed of USB Version 3.1 Generation 2?

    <p>10Gbps</p> Signup and view all the answers

    What color coding is typically used for USB 3.0 ports and connectors?

    <p>Blue</p> Signup and view all the answers

    What is a benefit of networking mentioned in the lesson objectives?

    <p>Improved communication</p> Signup and view all the answers

    What is the usual color coding for USB 2.0 ports and connectors?

    <p>Black or White</p> Signup and view all the answers

    Which of the following connection technologies is addressed in the lesson objectives?

    <p>Wi-Fi</p> Signup and view all the answers

    What is the typical top speed of USB Version 2.0?

    <p>480Mbps</p> Signup and view all the answers

    Which aspect of cellular networks is included in the lesson objectives?

    <p>Cellular service subscription management</p> Signup and view all the answers

    What is the theoretical top speed of USB Version 3.0?

    <p>5Gbps</p> Signup and view all the answers

    What is considered the minimum requirement for using a smartphone today?

    <p>3G</p> Signup and view all the answers

    What does LTE stand for in cellular technology?

    <p>Long Term Evolution</p> Signup and view all the answers

    Which of the following is NOT a characteristic of cellular service compared to Internet service?

    <p>It provides service at a fixed location.</p> Signup and view all the answers

    What identifies GSM carrier phones within their network?

    <p>SIM Card</p> Signup and view all the answers

    Which technology is recognized as the fastest cellular technology currently available?

    <p>4G LTE</p> Signup and view all the answers

    What is a characteristic of pre-paid carriers?

    <p>They provide services on a month-to-month basis.</p> Signup and view all the answers

    Which of these is a commonly recognized type of cellular carrier?

    <p>GSM Carriers</p> Signup and view all the answers

    What speed does 4G technology promise when stationary?

    <p>1 Gbps</p> Signup and view all the answers

    What is the primary function of network address translation (NAT) in a LAN?

    <p>To replace LAN private IP addresses with a public WAN-IP address</p> Signup and view all the answers

    Which of the following Ethernet standards offers the slowest data transfer rate?

    <p>10Base-T Ethernet</p> Signup and view all the answers

    How long can Ethernet cables reliably transmit signals?

    <p>300 feet</p> Signup and view all the answers

    What type of connection does an Ethernet cable provide inside a LAN?

    <p>Wired connection</p> Signup and view all the answers

    What private address range is commonly assigned by routers in a LAN?

    <p>192.168.1.x</p> Signup and view all the answers

    Where can you find your public IP address?

    Signup and view all the answers

    What function does a modem/router perform on the LAN side?

    <p>It assigns private network addresses and manages traffic.</p> Signup and view all the answers

    Which of the following correctly describes the technology used to replace private IP addresses with Internet-addressable IP addresses?

    <p>Network Address Translation (NAT)</p> Signup and view all the answers

    What is the fastest data transfer rate in Ethernet standards mentioned?

    <p>1Gbps</p> Signup and view all the answers

    What is the typical maximum length for reliable transmission of Ethernet cables?

    <p>300 feet</p> Signup and view all the answers

    Which category of Ethernet cable is commonly referred to as 'Cat 5'?

    <p>Category 5</p> Signup and view all the answers

    What primary advantage does using a wired Ethernet connection offer within a LAN?

    <p>Fastest and most secure connection.</p> Signup and view all the answers

    What type of IP address do systems on a private LAN typically use?

    <p>Private address, usually 192.168.1.x</p> Signup and view all the answers

    How does a system in your private LAN connect to the Internet?

    <p>By using a NAT to communicate with the ISP’s public IP.</p> Signup and view all the answers

    Study Notes

    Connecting Your LAN to the Internet

    • Even if private networks use the same IP addresses, they do not cause problems because they use different public IP addresses.
    • The modem/router gets the public WAN-IP address when it connects to the ISP.
    • The modem/router assigns private network addresses to systems connected to it.
    • It uses NAT to replace the private IP address used by a system on the LAN with the Internet-addressable IP address.

    Viewing Your Public IP Address

    Wired Connection - Ethernet

    • A wired connection to a LAN is called an Ethernet connection.
    • Ethernet cables are used to connect computers and other devices to wired connection points in your network.
    • Ethernet cables are made in different grades or categories called Category 5 or “Cat” 5.
    • Ethernet cables can reliably transmit signals over a cable length of about 300 feet (100 meters).

    Wireless Connection - Wi-Fi

    • Wi-Fi, or wireless fidelity, is a standard for wireless networking that uses radio waves to transfer data between computers and other devices.

    Cellular Networks

    • Cellular service travels with you and is available anywhere your provider has a cell network.
    • Your phone can roam and use services from another carrier if you leave your provider’s coverage area.

    Cellular Carriers

    • Cellular carriers are cell phone companies that provide cellular service to mobile phone users.
    • AT&T, Sprint, T-Mobile, and Verizon are the four biggest cell carriers in the USA.
    • GSM carriers use GSM networks and their phones identify with the carrier network through the use of a SIM card.
    • CDMA carriers use CDMA networks and CDMA phones use an ESN (Electronic Serial Number) to identify with the carrier network.
    • Pre-Paid Carriers charge an up-front fee for services and are run by either a CDMA or GSM carrier or a third-party carrier who “piggybacks” services off a major carrier network.

    Obtaining Cell Service

    • Pre-Paid services provide cellular service on a month-to-month basis and do not require users to sign a contract.

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    Related Documents

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    Description

    This quiz covers the essentials of connecting a Local Area Network (LAN) to the Internet, explaining the roles of modems, routers, and IP addresses. Test your knowledge on wired connections, particularly Ethernet, and how they facilitate network communication. Dive into topics such as NAT, private and public IP addresses, and Ethernet cable categories.

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