Mastering Power over Ethernet (PoE) Standards
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Questions and Answers

Which device is responsible for implementing the functions of the control layers in a software-defined networking (SDN) architecture?

  • DSL modem
  • Switch
  • SDN controller (correct)
  • Firewall
  • Which IP address is in the range reserved for APIPA (automatic private IP addressing)?

  • 224.100.100.1
  • 169.254.1.121 (correct)
  • 192.168.100.52
  • 52.165.16.254
  • Which type of addressing is associated with the IP address 224.100.100.1?

  • Multicast (correct)
  • Broadcast
  • Anycast
  • Unicast
  • What is the role of a firewall in a computer system?

    <p>To manage network communications</p> Signup and view all the answers

    What is the function of a switch in a network?

    <p>To provide connectivity</p> Signup and view all the answers

    What is the purpose of a patch panel in a network?

    <p>To terminate cabling</p> Signup and view all the answers

    What is the role of a managed switch in a network with VLANs?

    <p>To provide additional functionality for larger networks</p> Signup and view all the answers

    What is the function of a DNS (Domain Name System) in a network?

    <p>To assign and manage fully qualified domain names</p> Signup and view all the answers

    What type of network device is a docking station?

    <p>Port replicator</p> Signup and view all the answers

    What is the function of an injector in a network?

    <p>To connect devices without PoE support</p> Signup and view all the answers

    Which standard of Power over Ethernet (PoE) supplies up to about 51W (Type 3) or 73W (Type 4) usable power?

    <p>PoE 802.3bt</p> Signup and view all the answers

    What is the maximum current that powered devices can draw with Power over Ethernet (PoE) 802.3at (PoE+)?

    <p>600 mA</p> Signup and view all the answers

    What is the maximum usable power with Power over Ethernet (PoE) 802.3af?

    <p>13W</p> Signup and view all the answers

    What is the maximum cable length for a Power over Ethernet (PoE) setup?

    <p>100 m</p> Signup and view all the answers

    What is the maximum downstream speed supported by a 300 m ADSL RJ11-terminated patch cord?

    <p>52 Mbps</p> Signup and view all the answers

    What is the maximum upstream speed supported by a 300 m ADSL RJ11-terminated patch cord?

    <p>6 Mbps</p> Signup and view all the answers

    What is the maximum cable length for low-speed USB devices?

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

    What is the maximum cable length for full-speed and high-speed USB devices?

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

    What is the principal innovation of SDN?

    <p>Inserting a control layer between the application and infrastructure layers</p> Signup and view all the answers

    What is the maximum range supported by VDSL?

    <p>100 m</p> Signup and view all the answers

    Which device combines the functions of a router, DSL/cable modem, Ethernet switch, and Wi-Fi access point in a small office or home office (SOHO) setup?

    <p>Wireless router</p> Signup and view all the answers

    What type of Ethernet does a built-in adapter on motherboards support?

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

    What is the purpose of a patch panel in a network setup?

    <p>Terminates cabling but does not establish connections between cable segments</p> Signup and view all the answers

    What device is used to connect cable segments together like a switch in a network setup?

    <p>Networking appliance</p> Signup and view all the answers

    What is the purpose of a DSL modem or router in a small office or home office (SOHO) setup?

    <p>To terminate cabling and establish connections between cable segments</p> Signup and view all the answers

    What is a legacy network hardware device used to implement 10BASE-T and 100BASE-T Ethernet cabling designs?

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

    Which network authentication protocol is commonly used for VPN connections?

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

    What does enterprise mobility management (EMM) apply security policies to?

    <p>Mobile devices</p> Signup and view all the answers

    What is the purpose of a service set identifier (SSID) in a wireless local area network (WLAN)?

    <p>To identify the network name</p> Signup and view all the answers

    What type of cable is used to convert the optical signal to an electrical one in an ONT-to-router connection?

    <p>RJ45</p> Signup and view all the answers

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