Lesson 4 Flashcards
MAN
Metropolitan Area Network
SOHO
Small Office/Home Office
A business-oriented network possibly using a centralized server
Small Office/Home Office (SOHO)
AP
Access Point
What type of computer is dedicated to running network applications and hosting shared resources?
Server Computer
What type of computer allows end users to access the applications and resources to do work?
Client Computer
A whole site that is dedicated to provisioning server resources
Datacenter
SAN
Storage Area Network
iSCSI
Internet Small Computer System Interface
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)
PAN
Personal Area Network
_________ refers to using wireless connectivity to connect devices at a range of a few meters
Personal Area Network (PAN)
IOT
Internet Of Things
A smart fridge is an example of ________
Internet Of Things
NIC
Network Interface Card
Each Ethernet NIC port has a unique hardware/physical address, called the _________
Media Access Control (MAC) address
IDC
Insulation Displacement Connector
Punch-down blocks at the back of the Patch Panel
Insulation Displacement Connector (IDC)
A legacy network hardware device that was used to implement the 10BASE-T and 100BASE-T Ethernet cabling designs.
Hub
Which network design is referred to as a Star Topology?
Hub
Each computer attached to a hub receiving all the traffic sent by other connected devices is referred to as a ______
Collision Domain
When a group of computers can send or receive, but not at the same time.
Half-Duplex
A device that connects two different local area networks together
Ethernet Bridge
A type of switch that performs its functions without requiring any sort of configuration
Unmanaged Switch
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
- UTP
- STP
- ScTP
4, F/UTP - FTP
- S/FTP
- F/FTP
- Unshielded Twisted Pair
- Shielded Twisted Pair
- Screened Twisted Pair
- Foiled/Unshielded Twisted Pair
- Foiled Twisted Pair
- Shielded Twisted Pair
- 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
8P8C
8-Position/8-Contant
T568A pin order
- Green/White
- Green
- Orange/White
- Blue
- Blue/White
- Orange
- Brown/White
- Brown
T568B pin order
- Orange/White
- Orange
- Green/White
- Blue
- Blue/White
- Green
- Brown/White
- 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)
dB
decibal
mw
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