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CompTIA A+ Core 1 > 10. Networking Basics > Flashcards

10. Networking Basics Flashcards

1
Q

What provides an ethernet connection to the network and is what NIC stands for?

A

Network Interface Card

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2
Q

Between which / how many ports does a hub have?

A

4 ~ 48

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3
Q

What are smart hubs that remember the ports connected to them, and can have multiple people talking at the same time?

A

Switches

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4
Q

What is the difference between an Unmanaged and Managed switch?

A

Whether it requires a configuration to perform its functions

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5
Q

What device allows wireless devices to connect to a wired network?

A

Wire Access Point

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6
Q

What is used to connect networks together?

A

Router

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7
Q

What scans and blocks traffic that enters or leaves a network, and unifiied threat management (UTM) contains such features?

A

Firewall

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8
Q

What device allows cable network jacks from a wall into a central area?

A

Patch panel

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9
Q

What supplies electrical power from a switch port over an ordinary data cable to a power device?

A

Power over Ethernet (PoE)

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10
Q

Waht plugs into a wall outlet to get power?

A

Power injector

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11
Q

Waht device translates coaxial cable signals into radio frequency waves?

A

Cable modem

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12
Q

What device translates coaxial cable signals into phone lines?

A

Digital Subscriber Line (DSL)

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13
Q

What terminates a fiber connection?

A

Optical Network Terminal (ONT)

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14
Q

What refers to a way of virtualizing network hardware?

A

Software Defined Networking (SDN)

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15
Q

What is the smalled type of network and covers the least amount of area?

A

Personal Area Network (PAN)

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16
Q

What network type connects components within a limited distance of a few hundred feet?

A

Local Area Network (LAN)

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17
Q

What network type connects LANs that are building-centric within a distance of up to a few miles of each other?

A

Campus Area Network (CAN)

18
Q

What network type connects scattered locations across a city or metropolitan area up to about 25 miles of each other?

A

Metropolitan Area Network (MAN)

19
Q

What does WLAN stand for?

A

Wireless Local Area Network

20
Q

What network type provisions access to configurable pools of storage devices that can be used by application servers?

A

Storage Area Network (SAN)

21
Q

What network type uses a centralized server or simply provides clients access to local devices like printers, file storage, or the internet?

A

Small Office, Home Office (SoHo) LAN

22
Q

What refers to a global network of appliances and personal devices that have been equipped with sensors, software, and network connectivity to report
state and configuration?

A

Internet of Things (IoT)

23
Q

What max distance should twisted pair cable runs be under from the IDF to the office?

A

70 meters

24
Q

What is the difference between bandwidth and throughput?

A

Bandwidth measures theoretical (maximum) data being transferred while throughput measures actual successful data transfer.

25
Q

What designation describes bandwitdth and cable type?

A

Ethernet Standard

26
Q

Also known as a straight-through cable, what contains the exact same pinouts on both sides?

A

Patch cable

27
Q

What standard is preferred when wiring jacks inside of buildings?

A

568b

28
Q

What cable swaps the placement of send & receive pins from one end to the other?

A

Crossover cable

29
Q

What is an automated way to electronically simulate the use of a crossover cable?

A

Medium dependent interface crossover (MDIX)

30
Q

What cable rating specifices a stronger sheathing & jacket that can withstand more extreme weather conditions?

A

Direct Burial

31
Q

What type of fiber optic cable is used for longer distances and has a smaller core diameter (8.3-10µ) which allows for only a single mode of travel for the light signal?

A

SMF (Single Mode FibeR)

32
Q

What type of fiber optic cable is used for distances of 2km or less and has a larger core diameter (50-100µ) which allows for multiple modes of travel for the light signal?

A

MMF (Multimode Fiber)

33
Q

What are the four types of coaxial cable jacks?

A

RG-6, RG-59, F-type, and BNC

34
Q

How is a twinaxial cable different from a coaxial cable?

A

It uses two inner conductors to carry data instead of just one

35
Q

What is similar to a cable tester but is used specifically for twisted pair ethernet cables?

A

Wire mapping tool

36
Q

What are the six types of twisted pair cable errors?

A

Open pairs, Shortened pairs, Short between pairs, Reversed pairs, Crossed pairs, and Split pairs

37
Q

What is used to determine a cable’s category or data throughput?

A

Cable certifier

38
Q

What device facilitates the testing of simple network issues?

A

Loopback adapter/device

39
Q

What device connects directly to the cable infrastructure and splits or copies packets for analysis, security, or general network management?

A

Tap

40
Q

What device ensures proper coverage and prevents overlap between wirless access point coverage zones and channels?

A

Wireless analyzer

CompTIA A+ Core 1 (13 decks)

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