week 3

K2.3 The elements of infrastructure and associated technologies:

• network devices:

o firewalls (for example next generation firewall (NGFW)/unified threat management (UTM)

appliances)

o routers

o switches

o hubs

o bridges

o wireless/WiFi access points (APs)

o wireless range extenders

o modems

o media converters

• end user devices (EUDs):

o desktops and laptops

o mobile devices (for example smartphone, tablet)

o smart devices (for example wearable technology, smart speakers)

• storage devices and systems:

o hard disk drive (HDD)

o solid state drive (SSD)

o removable media (for example USB flash drive, external hard drive)

o network-attached storage (NAS)

o storage area network (SAN)

o block storage

o object storage

o redundant array of independent disks (RAID):

â–ª RAID 0 – striping

â–ª RAID 1 – mirroring

â–ª RAID 5 – parity across drives

â–ª RAID 10 – mirroring and striping

• wired and wireless technologies:

o unshielded twisted pair (UTP) cable:

â–ª straight-through

â–ª crossover

â–ª EIA/TIA-568A layout

â–ª EIA/TIA-568B layout

o RJ11 connectors

o 8P8C/RJ45 connectors

o copper cables (for example cat 5e, cat6)

o fibre-optic cables

o the point-to-point protocol (PPP)

o SDN

o WiFi protected access (WPA) 1, 2, and 3

• antennas:

o omni-directional

o directional

o patch

o yagi

o dipole

• cloud services:

o IaaS

o PaaS

o SaaS

o cloud storage

• test equipment:

o test plan

o testing kit:

â–ª tone generator and probe

â–ª cable tester

â–ª tracing kit

• support scripting (for example automation and administration)

• network monitoring and logging

• capacity management (for example monitoring server load)

Last Updated
2024-07-11 09:16:41