Updated 2.2 Flashcards

1
Q

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

A

Correct Answer: (B) To organize and connect cables. Explanation: A patch panel allows cables to be organized and connected to network devices or switches.

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2
Q

What type of connectors are commonly used on a patch panel? Options: (A) RJ-45, (B) USB-C, (C) HDMI, (D) BNC

A

Correct Answer: (A) RJ-45. Explanation: RJ-45 connectors are standard for Ethernet cables used in patch panels.

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3
Q

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

A

Correct Answer: (B) To provide power to devices over Ethernet cables. Explanation: PoE delivers both data and electrical power through Ethernet cables.

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4
Q

Which IEEE standard defines PoE+? Options: (A) 802.3af, (B) 802.3at, (C) 802.11ac, (D) 802.1X

A

Correct Answer: (B) 802.3at. Explanation: IEEE 802.3at is the standard for PoE+ with a maximum power output of 25.5 watts.

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5
Q

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

A

Correct Answer: (A) To convert digital data for transmission over cable TV lines. Explanation: Cable modems enable internet access via cable TV infrastructure.

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6
Q

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

A

Correct Answer: (A) Coaxial. Explanation: Cable modems use coaxial cables to connect to the internet service provider’s network.

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7
Q

What does DSL stand for? Options: (A) Digital Subscriber Line, (B) Direct Signal Line, (C) Data Service Link, (D) Distributed Signal Loop

A

Correct Answer: (A) Digital Subscriber Line. Explanation: DSL provides internet access using existing telephone lines.

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8
Q

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

A

Correct Answer: (A) Lower speed. Explanation: DSL typically offers slower speeds compared to cable internet.

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9
Q

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

A

Correct Answer: (A) Optical Network Terminal. Explanation: ONT is the device that connects the fiber-optic network to a home or business.

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10
Q

What type of connection is typically used between the ONT and the router? Options: (A) Coaxial, (B) Ethernet, (C) HDMI, (D) Fiber optic

A

Correct Answer: (B) Ethernet. Explanation: Ethernet cables are commonly used to connect ONTs to routers.

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11
Q

What does SDN stand for? Options: (A) Software-Defined Networking, (B) Secure Data Network, (C) Service Data Node, (D) Smart Device Networking

A

Correct Answer: (A) Software-Defined Networking. Explanation: SDN uses software to manage and optimize network resources dynamically.

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12
Q

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

A

Correct Answer: (B) Centralized network management. Explanation: SDN allows network administrators to manage the network centrally using software.

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13
Q

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

A

Correct Answer: (A) Easier cable management. Explanation: Patch panels simplify cable organization and maintenance.

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14
Q

Which tool is commonly used to connect wires to a patch panel? Options: (A) Crimper, (B) Punchdown tool, (C) Wire stripper, (D) Cable tester

A

Correct Answer: (B) Punchdown tool. Explanation: Punchdown tools are used to connect wires securely to patch panels.

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15
Q

What is the maximum power output of IEEE 802.3af (PoE)? Options: (A) 15.4W, (B) 25.5W, (C) 60W, (D) 100W

A

Correct Answer: (A) 15.4W. Explanation: The IEEE 802.3af standard delivers up to 15.4 watts of power per port.

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16
Q

What type of device might use PoE for both power and data? Options: (A) IP camera, (B) Desktop computer, (C) Printer, (D) Monitor

A

Correct Answer: (A) IP camera. Explanation: Devices like IP cameras and wireless access points commonly use PoE.

17
Q

What is a common feature of cable modems compared to DSL modems? Options: (A) Higher speeds, (B) Lower latency, (C) Wider availability, (D) Lower cost

A

Correct Answer: (A) Higher speeds. Explanation: Cable modems generally offer faster speeds than DSL modems.

18
Q

Which protocol is typically used by cable modems for communication? Options: (A) DOCSIS, (B) PPPoE, (C) HTTP, (D) FTP

A

Correct Answer: (A) DOCSIS. Explanation: Data Over Cable Service Interface Specification (DOCSIS) is the standard for cable modem communication.

19
Q

What is a splitter used for in a DSL setup? Options: (A) To separate voice and data signals, (B) To boost network speed, (C) To connect multiple devices, (D) To reduce latency

A

Correct Answer: (A) To separate voice and data signals. Explanation: Splitters prevent interference between telephone and internet signals in DSL setups.

20
Q

Which type of DSL offers the same upload and download speeds? Options: (A) ADSL, (B) SDSL, (C) VDSL, (D) HDSL

A

Correct Answer: (B) SDSL. Explanation: Symmetric DSL (SDSL) provides equal upload and download speeds.

21
Q

What is the primary function of an ONT? Options: (A) To convert optical signals to electrical signals, (B) To boost Wi-Fi speeds, (C) To store network data, (D) To manage network traffic

A

Correct Answer: (A) To convert optical signals to electrical signals. Explanation: The ONT connects fiber-optic networks to electrical-based home or office networks.

22
Q

What is a key benefit of using an ONT in a fiber-optic network? Options: (A) Higher internet speeds, (B) Lower power consumption, (C) Better device compatibility, (D) Enhanced data security

A

Correct Answer: (A) Higher internet speeds. Explanation: ONTs enable the high-speed internet that fiber-optic networks provide.

23
Q

What is a key characteristic of SDN? Options: (A) Centralized network control, (B) Improved hardware performance, (C) Faster internet speeds, (D) Lower power usage

A

Correct Answer: (A) Centralized network control. Explanation: SDN allows administrators to manage the network centrally using software.

24
Q

Which of the following is a benefit of SDN? Options: (A) Enhanced network flexibility, (B) Increased hardware costs, (C) Reduced bandwidth, (D) Improved Wi-Fi range

A

Correct Answer: (A) Enhanced network flexibility. Explanation: SDN makes it easier to reconfigure and scale network resources.

25
Q

What is a common material used in patch panel wiring? Options: (A) Copper, (B) Aluminum, (C) Fiber, (D) Plastic

A

Correct Answer: (A) Copper. Explanation: Ethernet cables in patch panels typically use copper wiring for signal transmission.

26
Q

What is the purpose of a PoE injector? Options: (A) To provide power to devices over Ethernet, (B) To increase data transfer speed, (C) To connect multiple devices, (D) To extend network range

A

Correct Answer: (A) To provide power to devices over Ethernet. Explanation: A PoE injector adds power to Ethernet cables for devices not connected to a PoE switch.

27
Q

What type of cable is typically used to connect a DSL modem to a telephone line? Options: (A) Twisted pair, (B) Coaxial, (C) Fiber optic, (D) Ethernet

A

Correct Answer: (A) Twisted pair. Explanation: DSL modems connect to telephone lines using twisted-pair cables.

28
Q

Which technology typically uses an ONT? Options: (A) Fiber-to-the-Home (FTTH), (B) DSL, (C) Cable internet, (D) Satellite internet

A

Correct Answer: (A) Fiber-to-the-Home (FTTH). Explanation: ONTs are used in fiber-optic installations like FTTH to convert signals for home use.

29
Q

What is the role of a controller in an SDN environment? Options: (A) To manage network resources, (B) To provide power to devices, (C) To increase data speed, (D) To secure data transmission

A

Correct Answer: (A) To manage network resources. Explanation: SDN controllers centralize network management and resource allocation.