Mastering Power over Ethernet (PoE) Standards

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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?

To manage network communications (A) Signup and view all the answers

What is the function of a switch in a network?

To provide connectivity (A) Signup and view all the answers

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

To terminate cabling (C) Signup and view all the answers

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

To provide additional functionality for larger networks (A) Signup and view all the answers

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

To assign and manage fully qualified domain names (C) Signup and view all the answers

What type of network device is a docking station?

Port replicator (B) Signup and view all the answers

What is the function of an injector in a network?

To connect devices without PoE support (A) 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?

PoE 802.3bt (B) Signup and view all the answers

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

600 mA (B) Signup and view all the answers

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

13W (A) Signup and view all the answers

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

100 m (B) Signup and view all the answers

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

52 Mbps (C) Signup and view all the answers

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

6 Mbps (D) Signup and view all the answers

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

3 m (A) Signup and view all the answers

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

5 m (D) Signup and view all the answers

What is the principal innovation of SDN?

Inserting a control layer between the application and infrastructure layers (B) Signup and view all the answers

What is the maximum range supported by VDSL?

100 m (D) 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?

Wireless router (A) Signup and view all the answers

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

1000BASE-T (A) Signup and view all the answers

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

Terminates cabling but does not establish connections between cable segments (A) Signup and view all the answers

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

Networking appliance (C) 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?

To terminate cabling and establish connections between cable segments (D) Signup and view all the answers

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

Hub (A) Signup and view all the answers

Which network authentication protocol is commonly used for VPN connections?

RADIUS (B) Signup and view all the answers

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

Mobile devices (C) Signup and view all the answers

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

To identify the network name (D) 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?

RJ45 (C) Signup and view all the answers