Wireless Router WRT300N 1
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Questions and Answers

What is the model number of the Wireless-N Broadband Router?

WRT300N

The Wireless-N Broadband Router can share Internet access, files, and fun securely.

True

What technology does the Wireless-N Broadband Router use to secure the wireless network?

Stateful Packet Inspection (SPI) firewall and Network Address Translation (NAT)

What does SSID stand for?

<p>Service Set Identifier</p> Signup and view all the answers

What are the two modes in which wireless networks can be set up?

<p>Ad-Hoc and Infrastructure</p> Signup and view all the answers

A wireless local area network (WLAN) is similar to a regular local area network (LAN) except that each computer uses a __________ to connect.

<p>wireless device</p> Signup and view all the answers

What is the main point of communications in the Infrastructure mode of a wireless network?

<p>A wireless router or access point</p> Signup and view all the answers

What does PPTP stand for?

<p>Point to Point Tunneling Protocol</p> Signup and view all the answers

What is the purpose of the Internet Access Policy in the Wireless-N Broadband Router?

<p>To block or allow specific kinds of Internet usage and traffic.</p> Signup and view all the answers

Which option is NOT a step to create an access policy?

<p>Click the Delete Policy button.</p> Signup and view all the answers

Policies are enabled by default.

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

How can users specify which PCs are affected by the policy?

<p>By selecting PCs using MAC address or IP address.</p> Signup and view all the answers

To block websites, you can enter specific URL addresses in the field next to Website Blocking by ______.

<p>URL Address</p> Signup and view all the answers

What does L2TP stand for?

<p>Layer 2 Tunneling Protocol</p> Signup and view all the answers

The default value for the Router’s Local IP Address is _____

<p>192.168.1.1</p> Signup and view all the answers

What is the default value for the Subnet Mask?

<p>255.255.255.0</p> Signup and view all the answers

The DHCP server is disabled by factory default.

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

What options exist for the DDNS service?

<p>DynDNS.org or TZO.com</p> Signup and view all the answers

What allows the Router to automatically re-establish the Internet connection after inactivity?

<p>Connect on Demand</p> Signup and view all the answers

The MTU (Maximum Transmission Unit) should be in the range of _____ to _____

<p>1200 to 1500</p> Signup and view all the answers

What does DHCP stand for?

<p>Dynamic Host Configuration Protocol</p> Signup and view all the answers

Which mode allows computers to communicate directly without needing a wireless router?

<p>Ad-Hoc mode</p> Signup and view all the answers

In Ad-Hoc mode, wireless devices can communicate with wired network computers.

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

What kind of devices can the Wireless-N Broadband Router communicate with?

<p>Notebook adapters, PCI adapters, and USB adapters.</p> Signup and view all the answers

The Router can connect wired PCs and other Ethernet network devices through its _____ ports.

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

What is the default password for the Router?

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

Which of the following is NOT an Internet connection type supported by the Router?

<p>Dial-up</p> Signup and view all the answers

To access the Router’s Web-based Utility, enter the IP address _____ in your web browser.

<p>192.168.1.1</p> Signup and view all the answers

What feature allows the Router to maintain an Internet connection while idle?

<p>Keep Alive</p> Signup and view all the answers

PSK stands for Pre-Shared Key.

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

What does WEP stand for?

<p>Wired Equivalent Privacy</p> Signup and view all the answers

Which option should be used to allow wireless access from devices listed?

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

What should you enter to automatically generate WEP keys?

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

The default beacon interval value is between __________ milliseconds.

<p>20-1000</p> Signup and view all the answers

What does the default Basic Rate setting of the Router allow?

<p>All standard wireless rates</p> Signup and view all the answers

Enabling Firewall Protection enhances network security.

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

Study Notes

Wireless Network Modes

  • There are two modes for wireless networks, infrastructure and ad-hoc.
  • Infrastructure mode involves a wireless router, such as the Wireless-N Broadband Router.
  • Ad-hoc mode enables wireless devices to communicate directly.
  • Wireless-equipped computers can share data and peripherals with wired networks through infrastructure mode.
  • Ad-hoc mode is limited to communication between wireless-equipped computers.

Wireless Networking Terminology

  • SSID (Service Set Identifier) is the name used to identify a wireless network.
  • LAN (Local Area Network) refers to computers on a local network using ethernet cables.
  • WLAN (Wireless Local Area Network) refers to computers using wireless cards or adapters to communicate.

Wireless Network Layout

  • The Wireless-N Broadband Router is designed for use with wireless-N, wireless-G, and wireless-B products.
  • It can work with laptop computers using notebook adapters, desktop computers using PCI adapters, and devices using USB adapters.
  • The Router can also communicate with devices like wireless print servers and bridges.
  • The Router has four local ethernet ports for wired networks.
  • A Linksys switch can be connected to the router to expand the network.

Router Back Panel Components

  • Internet Port: Used to connect the broadband modem.
  • Ethernet Ports 1-4: Connect wired PCs and other Ethernet devices to the router.
  • Reset Button: Resets the router to factory defaults, erasing all settings.
  • Power Port: Connects the power adapter.

Router Front Panel Components

  • Power LED: Lights up green when the router is powered on.
  • Ethernet LEDs 1-4: Light up green when the router is connected to a device through the corresponding port. Flashing indicates data transfer.
  • Internet LED: Lights up green when there is a connection through the Internet port.
  • Wireless LED: Lights up green when there is a wireless connection. Flashing indicates data transfer.
  • Security LED: Lights up green when wireless security is enabled.

Connecting the Router

  • Power off all hardware: Broadband modem, PCs, and the router.
  • Connect modem to router: Using an Ethernet cable, connect the modem's Ethernet port to the router's Internet port.
  • Connect PC to router: Connect one end of an Ethernet cable to one of the numbered ports on the router's back panel and the other end to an Ethernet port on a PC.
  • Power on modem: The modem should be powered on first.
  • Connect the power adapter to the router: Connect the included power adapter to the router's Power port, and then plug the power adapter into an electrical outlet.
  • Power on PC(s): Finally, power on your PC(s).

Accessing & Configuring the Web-based Utility

  • Default IP Address: 192.168.1.1
  • Access the utility:
    • Open a web browser and enter the default IP address in the Address field.
    • Press Enter.
    • Enter the password "admin" and leave the Username field blank.
    • Click OK.
  • Save Settings: Click Save Settings to save changes.
  • Cancel Changes: Click Cancel Changes to undo changes.
  • Help Tab: Click Help for information on a specific tab.

The Setup Tab - Basic Setup

  • Internet Setup: Configures the router for the Internet connection type provided by your ISP.
  • Connection Types:
    • Automatic Configuration - DHCP
    • Static IP
    • PPPoE
    • PPTP
    • Telstra Cable
    • L2TP
    • Note: Some of the connection types may not be available in your region.

The Setup Tab - Optional Settings

  • Host Name and Domain Name: Some ISPs require these names as identification, though leaving the fields blank may work for most users.
  • MTU: The Maximum Transmission Unit (MTU) specifies the largest packet size allowed for network transmission.
    • Manual: Select Manual for custom MTU size, the optimal range is between 1200 and 1500. Most DSL users should use 1492.
    • Auto: Allows the router to automatically select the best MTU for your Internet connection.

The Setup Tab - Network Setup

  • Router IP: This section allows you to change the router's local network settings.
  • Local IP Address: The default value is 192.168.1.1.
  • Subnet Mask: The default value is 255.255.255.0.
  • DHCP Server Setting: The router can act as a DHCP server for your network, automatically assigning IP addresses to each computer.

Understanding Important Terms:

  • Static IP: A fixed IP address assigned to a device on a network.
  • Subnet Mask: Determines the network size (e.g., how many devices can connect to that network).
  • Default Gateway: A device that forwards Internet traffic from your local network to the internet.
  • PPPoE: (Point-to-Point Protocol over Ethernet) is a type of broadband connection that requires authentication (username and password) in addition to data transport.
  • PPTP: (Point-to-Point Tunneling Protocol) is a VPN protocol often used in Europe and Israel.
  • Packet: A unit of data sent over a network.

DHCP Server

  • The Router can be configured to act as a DHCP server, assigning IP addresses to devices connected to the network.
  • The start IP address for DHCP must be between 192.168.1.2 and 192.168.1.254
  • The maximum number of users that can be assigned IP addresses by the DHCP server is 253.
  • The client lease time specifies how long a device will keep its dynamically assigned IP address.

Static DNS

  • The Domain Name System (DNS) translates domain names to IP addresses, or URLs.
  • The Router can use up to three DNS server IP addresses for faster access to domains.

WINS

  • The Windows Internet Naming Service (WINS) translates NetBIOS names to IP addresses.
  • WINS servers are needed for older versions of Windows that rely on NetBIOS for communication.

DHCP Reservation

  • Assign a fixed local IP address to specific devices by reserving an IP address for a MAC address on the DHCP server.

DDNS Service

  • Dynamic Domain Name System (DDNS) allows the Router to assign a fixed domain name and hostname to a dynamically assigned Internet IP Address.
  • Users can use this feature to host websites, FTP servers, or other services behind the Router with a constant domain name.
  • DDNS relies on third-party providers like DynDNS.org or TZO.com for service.

MAC Address Clone

  • A MAC address is a unique identifier for a network device, like a social security number.
  • Some ISPs require registration of a MAC address for access to the Internet.
  • The MAC Address Clone feature allows users to assign the MAC address of a device registered with the ISP to the Router itself.

Advanced Routing

  • NAT setting enables the Router to act as a gateway for the network, translating internal IP addresses to the external internet IP address.
  • Dynamic routing feature allows the Router to automatically adjust to changes in the network layout and communicate with other routers connected to the network.
  • Static routing is a pre-determined pathway that network data can follow to reach a specific host or network. This can be useful for communicating with specific networks or devices outside of the main network.
  • The Advanced Routing screen allows up to 20 static routes to be configured.

Basic Wireless Settings

  • The Network Mode defines the type of wireless network: Mixed for a network with Wireless-N, Wireless-G, and Wireless-B devices, Disable for no wireless devices.
  • The Network Name (SSID) identifies the network and must be the same across all devices on the network.
  • Radio Band setting allows the user to prioritize either performance (Wide - 40MHz Channel) or compatibility ( Standard - 20MHz Channel) for different Wi-Fi standards.
  • SSID Broadcast option allows the Router's SSID to be visible to nearby wireless devices.

Wireless Security

  • The Router supports six wireless security modes: PSK-Personal, PSK2-Personal, PSK-Enterprise, PSK2-Enterprise, RADIUS, and WEP.
  • PSK (Preshared Key) offers better security than WEP.
  • PSK2 is an advanced, stronger version of PSK.
  • RADIUS (Remote Authentication Dial-In User Service) is a centralized authentication and authorization system for network access.
  • If no wireless security is required the Security Mode should be set to "Disabled."

PSK-Personal

  • Allows for encryption (TKIP or AES) with a pre-shared key.

PSK2-Personal

  • Offers advanced encryption options (AES or TKIP or AES) and a pre-shared key.

PSK-Enterprise

  • Uses PSK in coordination with a RADIUS server, requiring server configuration for implementation.

PSK2-Enterprise

  • Uses PSK2 in coordination with a RADIUS server, requiring server configuration.

RADIUS

  • Employs WEP encryption with a centralized RADIUS server.

WEP

  • Uses basic WEP encryption with two levels: 40/64-bit and 128-bit.
  • WEP keys can be automatically generated from a passphrase or manually entered.

Wireless Tab - Wireless Security

  • WEP (Wired Equivalent Privacy) is used to encrypt wireless traffic.
  • MAC Address filtering allows you to restrict access to your wireless network by specific devices.
  • You can block access from devices by entering their MAC addresses.
  • You can allow access from specific devices by entering their MAC addresses.
  • Wireless Client List displays the computers and devices connected to the wireless network.
  • You can add a device to the MAC Address Filter List by checking the Save to MAC Address Filter List checkbox and clicking Add.

Wireless Tab - Advanced Wireless Settings

  • AP Isolation isolates wireless clients from each other, preventing them from communicating with each other, while still allowing them to communicate with the Router.
  • Authentication type can be set to Auto (allowing Open System or Shared Key authentication), or Shared Key (requiring a WEP key for authentication).
  • Basic Rate determines the set of wireless rates that the Router will advertise to other devices.
  • Transmission Rate determines the speed of data transmission between the Router and wireless clients.
  • N Transmission Rate sets the transmission speed for Wireless-N networks.
  • CTS Protection Mode can be used to enhance transmission performance in environments with heavy 802.11b traffic.

Security Tab - Firewall

  • Firewall Protection can be enabled to enhance network security using Stateful Packet Inspection (SPI).
  • Internet Filter can be used to block anonymous Internet requests, filter multicasting, block Internet NAT redirection, and filter IDENT (port 113 traffic).

Security Tab - VPN Passthrough

  • VPN Passthrough enables VPN tunnels to pass through the Router.
  • IPSec Passthrough allows secure exchange of packets at the IP layer.
  • L2TP Passthrough allows Layer 2 Tunneling Protocol for point-to-point sessions over the Internet.
  • PPTP Passthrough allows Point-to-Point Tunneling Protocol for PPP over an IP network.

Access Restrictions Tab - Internet Access Policy

  • Internet Access Policy allows you to control Internet access for specific devices by defining access restrictions based on time, days, websites, keywords, and applications.
  • Access Policy can be created by selecting a policy number, entering a policy name, and selecting the desired settings.
  • Summary provides information about the current policies, including their name, access restrictions, and status.
  • You can edit and delete policies to manage access restrictions.
  • You can block specific URLs and keywords to restrict website access.
  • Specific applications can be filtered by blocking them in the Application List.

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Related Documents

Linksys WRT300N Wireless-N Broadband Router User Guide PDF

Description

This quiz explores the fundamental concepts of wireless networking, including infrastructure and ad-hoc modes, key terminologies, and network layouts. Understand how devices communicate within a local wireless network and the roles of different components such as routers and adapters.

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