Updated 2.2 Flashcards
What is the purpose of a patch panel in a network? Options: (A) To connect different networks, (B) To organize and connect cables, (C) To boost network signals, (D) To provide power to devices
Correct Answer: (B) To organize and connect cables. Explanation: A patch panel allows cables to be organized and connected to network devices or switches.
What type of connectors are commonly used on a patch panel? Options: (A) RJ-45, (B) USB-C, (C) HDMI, (D) BNC
Correct Answer: (A) RJ-45. Explanation: RJ-45 connectors are standard for Ethernet cables used in patch panels.
What is the primary purpose of PoE (Power over Ethernet)? Options: (A) To transmit data over power lines, (B) To provide power to devices over Ethernet cables, (C) To boost Wi-Fi signals, (D) To manage network traffic
Correct Answer: (B) To provide power to devices over Ethernet cables. Explanation: PoE delivers both data and electrical power through Ethernet cables.
Which IEEE standard defines PoE+? Options: (A) 802.3af, (B) 802.3at, (C) 802.11ac, (D) 802.1X
Correct Answer: (B) 802.3at. Explanation: IEEE 802.3at is the standard for PoE+ with a maximum power output of 25.5 watts.
What is the function of a cable modem in a network? Options: (A) To convert digital data for transmission over cable TV lines, (B) To manage IP addresses, (C) To boost wireless signals, (D) To provide power to devices
Correct Answer: (A) To convert digital data for transmission over cable TV lines. Explanation: Cable modems enable internet access via cable TV infrastructure.
What type of cable is typically used to connect a cable modem to the network? Options: (A) Coaxial, (B) Fiber optic, (C) Ethernet, (D) HDMI
Correct Answer: (A) Coaxial. Explanation: Cable modems use coaxial cables to connect to the internet service provider’s network.
What does DSL stand for? Options: (A) Digital Subscriber Line, (B) Direct Signal Line, (C) Data Service Link, (D) Distributed Signal Loop
Correct Answer: (A) Digital Subscriber Line. Explanation: DSL provides internet access using existing telephone lines.
What is the main limitation of DSL compared to cable internet? Options: (A) Lower speed, (B) Higher cost, (C) Limited availability, (D) Greater signal interference
Correct Answer: (A) Lower speed. Explanation: DSL typically offers slower speeds compared to cable internet.
What does ONT stand for in fiber-optic networks? Options: (A) Optical Network Terminal, (B) Optical Node Transmission, (C) Optical Network Transfer, (D) Optical Node Technology
Correct Answer: (A) Optical Network Terminal. Explanation: ONT is the device that connects the fiber-optic network to a home or business.
What type of connection is typically used between the ONT and the router? Options: (A) Coaxial, (B) Ethernet, (C) HDMI, (D) Fiber optic
Correct Answer: (B) Ethernet. Explanation: Ethernet cables are commonly used to connect ONTs to routers.
What does SDN stand for? Options: (A) Software-Defined Networking, (B) Secure Data Network, (C) Service Data Node, (D) Smart Device Networking
Correct Answer: (A) Software-Defined Networking. Explanation: SDN uses software to manage and optimize network resources dynamically.
What is the primary advantage of SDN? Options: (A) Improved hardware performance, (B) Centralized network management, (C) Increased Wi-Fi speeds, (D) Lower power consumption
Correct Answer: (B) Centralized network management. Explanation: SDN allows network administrators to manage the network centrally using software.
What is a key advantage of using a patch panel in a network? Options: (A) Easier cable management, (B) Faster data transfer speeds, (C) Increased Wi-Fi range, (D) Enhanced device security
Correct Answer: (A) Easier cable management. Explanation: Patch panels simplify cable organization and maintenance.
Which tool is commonly used to connect wires to a patch panel? Options: (A) Crimper, (B) Punchdown tool, (C) Wire stripper, (D) Cable tester
Correct Answer: (B) Punchdown tool. Explanation: Punchdown tools are used to connect wires securely to patch panels.
What is the maximum power output of IEEE 802.3af (PoE)? Options: (A) 15.4W, (B) 25.5W, (C) 60W, (D) 100W
Correct Answer: (A) 15.4W. Explanation: The IEEE 802.3af standard delivers up to 15.4 watts of power per port.