Cheatography
https://cheatography.com
CompTIA Network+ certification course sum up. Oriented for cybersecurity later courses.
This is a draft cheat sheet. It is a work in progress and is not finished yet.
Devices
Virtual Servers |
- multiple VS into a single physical machine |
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- multiple NICs (more bandwidth), lower cost |
Hypervisor |
software enabling virtualization, emulates physical HW. Type1 (native on Hypervisor) or Type2 (hosted on OS) |
ex: |
VMWare, Hyper-V, Virtual Box |
Storage solutions |
- NAS |
Disk storage over TCP/IP |
- SAN |
LAN designed for data transfer (FC, FCoE, iSCSI) |
- Infiniband |
very high performance storage on direct connection |
V. Firewalls, Routers & Switches |
V. Desktops |
use from web interface on any device |
SDN |
Software define network |
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allows administration & configuration of V.NW via software |
Voice over IP (VoIP)
Purpose |
Digitizes voice traffic into data |
SIP |
Session Init. Protocole |
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to setup, open, maintain, tear down a session |
PBX |
telephone switch multi-lines managing waitings, transfers, conference-calls, messages, IDs, ... |
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