Lesson 4 Flashcards by Yakkie Poo

MAN

Metropolitan Area Network

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SOHO

Small Office/Home Office

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A business-oriented network possibly using a centralized server

Small Office/Home Office (SOHO)

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Access Point

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What type of computer is dedicated to running network applications and hosting shared resources?

Server Computer

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What type of computer allows end users to access the applications and resources to do work?

Client Computer

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A whole site that is dedicated to provisioning server resources

Datacenter

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SAN

Storage Area Network

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iSCSI

Internet Small Computer System Interface

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What makes it possible to set up a shared-storage network where multiple servers and clients can access central storage resources as if the storage was a locally connected device?

Internet Small Computer System Interface (iSCSI)

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PAN

Personal Area Network

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_________ refers to using wireless connectivity to connect devices at a range of a few meters

Personal Area Network (PAN)

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IOT

Internet Of Things

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A smart fridge is an example of ________

Internet Of Things

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NIC

Network Interface Card

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Each Ethernet NIC port has a unique hardware/physical address, called the _________

Media Access Control (MAC) address

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IDC

Insulation Displacement Connector

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Punch-down blocks at the back of the Patch Panel

Insulation Displacement Connector (IDC)

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A legacy network hardware device that was used to implement the 10BASE-T and 100BASE-T Ethernet cabling designs.

Hub

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Which network design is referred to as a Star Topology?

Hub

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Each computer attached to a hub receiving all the traffic sent by other connected devices is referred to as a ______

Collision Domain

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When a group of computers can send or receive, but not at the same time.

Half-Duplex

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A device that connects two different local area networks together

Ethernet Bridge

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A type of switch that performs its functions without requiring any sort of configuration

Unmanaged Switch

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Ports that are used to connect a switch to another switch

Uplink Ports

Provides a power supply and fast communications backplane to interconnected multiple switch units

Modular Switch

PoE

Power over Ethernet

A means of supplying electrical power from a switch port over ordinary data cabling to a powered device

Power over Ethernet

Allows powered devices to draw up to 13W

802.3af

Allows powered devices to draw up to about 25W

802.3at (PoE+)

(IEEE Standards) Power over Ethernet + (PoE+)

802.3at

(IEEE Standards) Power over Ethernet ++ (PoE++ or 4PPoE)

802.3bt

Supplies up to 51W

802.3bt (PoE++)

A type of switch that goes through a detection phase to determine whether the device is PoE enabled. If so, it determines the device's power consumption and sets an appropriate supply voltage level.

PoE Switch

1. UTP 2. STP 3. ScTP 4, F/UTP 5. FTP 6. S/FTP 7. F/FTP

1. Unshielded Twisted Pair 2. Shielded Twisted Pair 3. Screened Twisted Pair 4. Foiled/Unshielded Twisted Pair 5. Foiled Twisted Pair 6. Shielded Twisted Pair 7. Foiled/Foiled Twisted Pair

What is the most popular type of network cable?

Unshielded Twisted Pair (UTP)

The reduction of the force, effect, or value of something

Attenuation

Unshielded Twisted Pairs have a maximum distance of _________

100 m (328 f)

Provides extra protection against interference

Shielded Twisted Pair (STP)

A particular twisted pair cable construction method rated for use with given Ethernet standards

Cat

RJ45 connectors are also referred to as

8P8C

8-Position/8-Contant

T568A pin order

1. Green/White 2. Green 3. Orange/White 4. Blue 5. Blue/White 6. Orange 7. Brown/White 8. Brown

T568B pin order

1. Orange/White 2. Orange 3. Green/White 4. Blue 5. Blue/White 6. Green 7. Brown/White 8. Brown

IDC

Institution Displacement Connector

Designed to score the outer jacket enough to allow it to be removed

Cable Stripper

Used to fix each conductor into an Institution Displacement Connector (IDC)

Punchdown Tool

A pair of devices designed to attach to each end of a cable. It can be used to test a patch cord.

Cable Tester

Used to intercept the signals passing over a cable and send them to a packet or protocol analyzer

Network Taps

A box with ports for incoming and outgoing network cabling and an inductor or optical splitter that physically copies the signal from the cabling to a monitor port.

Passive Test Access Point (TAP)

TAP

Passive Test Access Point

A powered device that performs signal regeneration, which may be necessary in some circumstances.

Active Passive Test Access Point (TAP)

HVAC

Heat, Ventilation, and Air Conditioning

A void in a building designed to carry Heating, Ventilation, and Air Conditioning (HVAC) systems

Plenum space

Plenum-rated cabled are marked as

CMP/MMP

General purpose cables are marked as

CMG/MMG

OSP

Outside Plant

Cable run on the external walls of a building or between two buildings

Outside Plant (OSP)

A cable that is laid and then covered in earth or cement/concrete

Direct Burial cable

Consists of an ultra-fine core of glass to convey the light pulses

Optical Fiber

SMF

Single Mode Fiber

MMF

Multi-Mode Fiber

IEEE

Institute of Electrical and Electronics Engineers

the Institute of Electrical and Electronics Engineers 802.11 standards are better known as

Wi-Fi

Means the each client device (station) is configured to connect to the network via an Access Point (AP)

Infrastructure Mode

The wired network is referred to as the

Distribution System (DS)

Frequency bands are split into a series of smaller rangers referred to as

Channels

The ________________ standard uses the 5 GHz frequency band

IEEE 802.11a

The ________________ standard uses the 2.4 GHz frequency band

IEEE 802.11b

802.11ac aka

Wi-Fi 5

802.11ax aka

Wi-Fi 6

SSID

Service Set Identifier

Records statistics for the access point that the client is currently associated with and detects and other access points in the vicinity

Wi-Fi Analyzer

Wireless signal strength is measured in _____ units

decibel (dB)

decibal

milliwatt

SNR

Signal-to-Noise Ratio

_______ spectrum means that the network operator purchased the exclusive right to use a frequency band within a given geographical area from the regulator

Licensed

FCC

Federal Communication Commision

________ means the operator uses a public frequency band

Unlicensed

EIRP

Effective Isotropic Radiated Power

BLE

Bluetooth Lower Energy

RFID

Radio Frequency Identification

NFC

Near Field Communication