CompTIA Network+

cmd: msg ZCM-33126123 * /w hi! Networks can be defined as a set of nodes and links, where nodes a...

the public internet's basic structure The WAN interface of the SOHO router connects the local net...

everybody is plugged in with everyone else For every node n in the network, the mesh topology req...

big hub small hub organize by floors internet for all yippie! Main Distribution Frame -> primary ...

the IEEE defines 802.3 standards for ethernet cables Official documentation for the 802.3 standa...

merge two network links logically for redundancy Link aggregation can be used to boost the bandwi...

grr ethernet packet header formatting preamble start frame delimiter destination MAC address sou...

sometimes you can't go 30 over because traffic When troubleshooting a link, learn to differentiat...

grr avoiding traffic jams across redundant links The Spanning Tree Protocol and other network pr...

hijack and configure switch using terminal >:) Most network switch OS's run in three main modes: ...

urban design & planning but it's networking we have the basic network topologies: star mesh p2p ...

i need an entire network segment for microsoft teams calls VoIP transmits using data packets inst...

what if we (Internet-Assigned-Numbers-Authority) hijacked the first 1024 ports that's exactly wha...

i need a post office to specifically handle foreign mail IPv6 has an address autoconfiguration pr...

having a single gate to your gated neighborhood is bad because what if they just lock you in one ...

what if something goes wrong? Configuration management means identifying and documenting all the ...

i need to plant a bug in the oval office Protocol analyzers, often called 'packet sniffers,' are ...

I NEED MORE LANES ON THE INTERSTATE Latency and jitter are hard to control and predict due to the...

i need my handy handy spy device How do I detect poor network performance? Throughput Testers Tra...

ranged, mental, physical, etc. Fingerprinting and Footprinting The attacker wishes to list all th...

i have the flipper zero to spam light changes at traffic lights While other on-path attacks like ...

what am i a frog VLAN hopping is designed to send packets that escape the current VLAN. This is d...

keys. lots of keys. you have the two big boys of encryption. Encryption Algorithm A function that...

911 hehehehehehehehehe fnuuy CIA and FBI i mean VTR Confidentiality, Integrity, and Availability ...

i need a soviet grade wiretap for spying on the white house in the form of a trojan horse This wa...

what if people that aren't exactly employees need to access the company network This idea is call...

oh yes we all need government-issued digital IDs that compromise all forms of privacy and are pro...

license and registration please Access Control Systems govern how subjects and principals interac...

i need a superhighway that destroys all the poor neighborhoods but instead it's a network ok so s...

now how exactly should i go about ensuring that employee's can't see the 15 terabytes of data i'v...

what if i just used a specific port and trusted everything on that 802.1X: Port-Based Network Acc...

you better be able to trust your network administrators (i.e. pay them well) Network Access Contr...

the device needs to be rock hard Hardening is basically making any device secure against tamperin...

im so tired i can't do this anymore i can't think Content filtering can apply Application layer f...

A server that mediates the communications between a client and another server. Proxies often have...

separate but NOT equal mwahahahaha Effective placement of security appliances depends on segmenti...

even bigger! even better! come on, let's go! never give up! Wifi 6 uses advanced modulation and s...

i need bigger and better wifi NOW Wifi 5 only works in the 5 GHz band. 2.4 GHz support only works...

the second wifi standard of all time (OAT). 802.11b uses the 2.4 GHz frequency band, and was the ...

this is a lot of yap for a wifi standard 802.11n increased bandwidth over it's predecessors by mu...

the first wifi standard of all time i think Wireless radios are configured to use a frequency ban...

i need a map that dictates where all the ______ people are Range, interference, and signal streng...

signal jamming but instead it's wifi Wifi-enabled devices should have an indoor range of 100 feet...

i am tired of taking notes let me out of here Wireless Access Points are configured to use a MAC ...

yes we need to shut down three lanes of traffic to fix this pothole Many Wifi access points have ...

lockdown! lockdown! this is a (maybe) drill! lockdown! lockdown! Wifi networks need to be configu...

miscellaneous stuff The lesson sites two more types, ad hoc, mesh, and p2p. We kinda already know...

grrr you have the three main attack vectors (yes im getting lazier and lazier with these notes, s...

i can't trust any of you. all of you are fake. except you. i trust this one person. nobody else. ...

You must manually set $VaultPath before you run the script. $AllFiles = Get-ChildItem -Path $Vaul...

what if i have four small ip addresses instead of one big overkill one Classless Interdomain Rout...

there are a lot of ways to shout at people nodes unicast vs broadcast vs anycast vs multicast ...

but what if i was special...? Each OS has their own way of setting up a static IP address for the...

packets are complicated kinda maybe somewhat Ethernet only runs at OSI Layer 1 and Layer 2, so it...

network protocols define the shape of data being transmitted Network protocols have two main part...

yelling at nodes but in mandarin a foreign language now Unicast addressing in IPv6 also refers to...

i need them both, but on a single network Most networks run both IPv4 and IPv6 in some or all seg...

what if i had a gps but for packets >:) Most hosts on a network don't have the necessary capabili...

i need multiple gps apps for some reason Dynamic routing protocols implement algorithms that use ...

how home network routers work Every home has a SOHO router provided by an ISP that links the LAN ...

the International Organization for Standardization came together one day The official documentat...

everyone knows the plug, but not everyone else Star Topology is used most commonly in small LAN n...

how big? how wide? where? Network sizes are determined by the number of connected hosts, while it...

physical layout vs logical layout Physical topology refers to the placement of nodes and what typ...

grr i have four different gps apps again DNS is very very very very very very very∞ important to ...

i need to watch my employees work from my beach chair in hawaii We love our telecommunications st...

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa I need a lot of services for m...

IM NOT A BIG FAN OF SQL (30 on 30) We love databases. It allows us to interact with and manage la...

i need more numbers Mean Time Between Failures - expected lifetime of an asset. (total operation ...

i need several popeyes locations in the hood in case one gets shut down A Disaster Recovery Plan ...

i need a number that tells me how good we are at not imploding We love a number that directly st...

i wanna walk around my house with epic amounts of internet Clients can roam around an ESA using ...

The operational considerations for the various stages in the lifecycle of an encryption key or ke...