Network+ basics7 Flashcards by Brian Selman | Brainscape

Q

Fiber communications

A

Transmissions by light

hard to tap into

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Q

Multimode fiber

A

Short-range communication

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Q

Single-mode fiber

A

Long-range communication

expensive light source

laser beams

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Q

Cable Crimpers

A

Pinch the connector onto a wire

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Q

Punch down tool

A

Punch a wire into a wiring block

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Q

TDR

A

Sends electrical pulse down the cable

Estimate cable length

Splica location

Signal losses

OTDR does the same only with light

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Q

a Byte

A

eight bits

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Q

SIEM

A

Secuirty information and event manager

Security alerts

Log aggregation and long-term storage

Forensic analysis

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Q

Syslog

A

Standard for message logging

intergrated into the SIEM

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Q

SCADA

Power generation,refining,water management

Should be segmented on the network

A

Large scale , multi-site indsutrial control system

Power

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Q

VLAN

A

Logically separate your switch ports into subnets

router/firewall is the gatekeeper

group users together by function

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Q

Trunking

A

Multiple VLANs in a single wire

802.1Q standard

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Q

VTP

A

VLAN Trunking protocol

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