Network Infrastructure and Cloud Computing

PAN

Personal Area Network

What is LAN?

Local Area Network

What is SAN?

Storage Area Network

What is WLAN?

Wireless LAN

What is MAN?

Metropolitan Area Network

What is WAN?

Wide Area Network

What does PAN stand for?

Personal Area Network

What does LAN stand for?

Local Area Network

What does SAN stand for?

Storage Area Network

What does WLAN stand for?

Wireless Local Area Network

What does MAN stand for?

Metropolitan Area Network

What does WAN stand for?

Wide Area Network

What is bandwidth?

Data transfer capacity

What is cable internet?

Always-on broadband via cable

What is coax cable?

Shielded copper cable

What is DSL?

Internet over phone lines

What is fiber internet?

High-speed light-based internet

What is ONT?

Fiber to copper converter

What is satellite internet?

Space-based internet connection

What is cellular WAN?

Internet via mobile network

What is SIM card?

Mobile network authentication chip

What is mobile hotspot?

Device sharing mobile internet

What is WISP?

Wireless Internet Service Provider

What is LRFW?

Long Range Fixed Wireless

What are unlicensed frequencies?

Free-use radio frequencies

What are licensed frequencies?

Controlled radio frequencies

What is unmanaged switch?

No configuration switch

What is managed switch?

Configurable network switch

What is VLAN?

Virtual LAN subnet

What is repeater?

Boosts network signal

What is bridge?

Connects two network segments

What is Ethernet speed 100 Mbps?

Fast Ethernet

What is 1000 Mbps Ethernet?

Gigabit Ethernet

What is 10 Gbps Ethernet?

High-speed backbone Ethernet

Ethernet cable types?

UTP. STP. Fiber

What is UTP?

Unshielded Twisted Pair

What is STP?

Shielded Twisted Pair

What is direct burial cable?

Ground-rated cable

What is fiber optic cable?

Light-based transmission cable

Fiber connector types?

ST. LC. SC

What is coax cable?

Single-core TV/internet cable

What is PoE?

Power over Ethernet

What is PoE+?

Higher power Ethernet delivery

What is PoE injector?

Adds power to Ethernet cable

What is SDN?

Software Defined Networking

What is SCADA?

Industrial control system

What is UTM?

Unified Threat Management

What is IDS?

Intrusion Detection System

What is IPS?

Intrusion Prevention System

What is VPN?

Encrypted private network tunnel

What is load balancer?

Distributes network traffic

What is loopback plug?

Tests ports/cables

What is cable tester?

Checks cable health

What is patch panel?

Cable management hub

What is Wi-Fi analyzer?

Detects wireless issues/devices

What is toner probe?

Finds cables in walls

What is cable stripper?

Removes cable insulation

What is crimper?

Attaches connectors to cable

What is punchdown tool?

Terminates wires into blocks

What is network tap?

Monitors network traffic

What is Wi-Fi?

Wireless radio networking

What is a channel?

Wi-Fi frequency range

What causes slow network?

Config errors. switch issues. congestion

What is port flapping?

Port constantly going up/down

What causes port flapping?

Misconfig. bad hardware. firmware issues

What is latency?

Network delay

What is jitter?

Latency variation

What is VDI?

Virtual Desktop Infrastructure

What is virtual desktop?

Remote desktop VM view

What is hypervisor?

Creates and manages VMs

Virtualization uses?

Multiple OS on one machine

What is sandbox?

Safe testing environment

What is application virtualization?

Apps run in isolated environment

VM requirements?

CPU cores. RAM. storage. network

What is cloud computing?

Internet-based virtual services

What is public cloud?

Open internet cloud services

What is private cloud?

Single organization cloud

What is hybrid cloud?

Mix of public and private

What is community cloud?

Shared org cloud

Cloud characteristics?

Elasticity. metering. shared resources. availability

What is rapid elasticity?

Scale resources up/down

What is metered usage?

Pay per use billing

What is IaaS?

Infrastructure as a Service

What is PaaS?

Platform as a Service

What is SaaS?

Software as a Service

What is XaaS?

Anything as a Service