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    • Understanding IPv4/IPv6 Tunneling.
      Water Closet • network+ wrcombs ipv4 ipv6 learning tunneling professormesser • • WrCombs  

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      Example: I have an IPv4 network, and you have an IPv4 network, and we want to talk to each other. But there's no IPv4 network between us. We need to tunnel our networks somehow through whatever is between us so that we can network to each other. That in between network could be anything, NetBEUI, IPX/SPX, IPv6, whatever. As long as we tunnel through it, our IPv4 networks can see each other (but not the network inbetween).
    • Just for Fun - Network + Journey
      Water Closet • network+ wrcombs learning learning resources • • WrCombs  

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      @WrCombs said in Just for Fun - Network + Journey: @pmoncho said in Just for Fun - Network + Journey: @WrCombs said in Just for Fun - Network + Journey: @pmoncho said in Just for Fun - Network + Journey: @WrCombs said in Just for Fun - Network + Journey: @scottalanmiller said in Just for Fun - Network + Journey: What is the best way to secure the most vulnerable attack vector for a network? Choices: A] Remove unneeded services running on the servers B] Provide end-user awareness training for office staff C] Update all antivirus definitions on workstations and servers D] Use biometrics and SSO for authentication Hey First Question - Thanks Scott My first instinct D]Use biometrics and SSO for Authentication The key words in the question is "most vulnerable attack vector" so IMHO, D] would incorrect. Well People would be the most vulnerable so B? Correct, B. @scottalanmiller will have to confirm though. I thought that too, but then I thought that was too easy and that he probably was meaning something else . The test SHOULD be too easy. If you really know the material, and are paying attention to the reading (because the questions are designed to not let you skim them), it should feel pretty obvious a lot of the time.
    • Collision Domain - In POS
      Water Closet • network+ wrcombs pos • • WrCombs  

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      @manxam said in Collision Domain - In POS: @scottalanmiller said in Collision Domain - In POS: @manxam said in Collision Domain - In POS: I can't recall ever seeing a switch "back in the day" that didn't have ASICs. There are a few newer switches that do, in fact, use CPU rather than ASICs, but they're built using MUCH faster CPUs than what are included in most -- if not all -- routers. Early days, the ASICs didn't even exist yet. It wasn't a choice, it was all that there was to use software. Then the ASICs came along and obviously dominated. But yes, it always requires throwing more hardware at it. How far back are we going here? My first experience with a switch was with Alantec/FORE ATMs (circa early 91/2). These had a RISC SCP processor to run the OS/management functions and custom ASICs for switching. After that, in the more mainstream, came Kalpana and then Cisco. To the best of my knowledge, there were no switches available prior to thicknet (first commercial ethernet). I'd love more information if you have it available. I love the history of tech. Not that far back, still 90s, but a lot of switches were all software in the middling to later 90s as the ASICs weren't broadly available. But even the very, very first ASICs were / are always based on working software prototypes. I've never seen a thicknet switch, what a freaking mess that must be.
    • Physical Security - CompTIA Network+ N10-007 Prof. Messer
      Training • security youtube comptia prof messer certification it career video training it training network+ • • steve  

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    • Policies and Best Practices - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube comptia prof messer certification video training it career it training network+ • • steve  

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    • Remote Access - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube comptia prof messer certification video training it career it training network+ remote access • • steve  

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    • Performance Metrics - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube comptia prof messer certification it career video training it training network+ • • steve  

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    • Event Management - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube comptia prof messer certification video training it career it training network+ • • steve  

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    • Process Monitoring - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube comptia prof messer certification video training it career it training network+ • • steve  

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    • Backup and Recovery - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube backup comptia prof messer certification it career video training it training network+ disaster recovery dr • • steve  

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    • Recovery Sites - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube comptia prof messer certification it career video training it training network+ disaster recovery dr • • steve  

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    • Power Management - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube comptia prof messer video training it career it training network+ • • steve  

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    • Availability Concepts - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ high availability availability • • steve  

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      I used to manage a Full Tolerance Infrastructure. 2 Devices of Everything (Routers, Firewalls, Edge Switches, Core Switches, Access Switches, etc) 2 Internet Providers 2 Private Circuits
    • Network Documentation - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification it career video training it training network+ documentation wiki • • steve  

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      Network Documentation is very very important, for Network Admins is a must, because for example a new team member joins, this information will be useful to acknowledge the network infrastructure.
    • WAN Termination - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ wan • • steve  

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    • WAN Technologies - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ wan • • steve  

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    • WAN Transmission Mediums - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ wan • • steve  

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    • WAN Services - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ wan • • steve  

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      I have experienced that T3 (DS3) collapses (saturates) once you reach 40 Mbps, even rate is up to 44 Mbps.
    • Network Storage - CompTIA Network+ N10-007 Prof. Messer
      Training • storage youtube networking comptia prof messer certification video training it career it training network+ nas san • • steve  

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    • Virtual Networking - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ • • steve  

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    • Advanced Networking Devices - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ • • steve  

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    • Networking Devices - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ • • steve  

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    • Ethernet Standards - CompTIA Network+ N10-007 Prof. Messer
      Training • networking comptia prof messer certification video training it career it training network+ ethernet • • steve  

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    • Network Transceivers - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ • • steve  

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    • Network Termination Points - CompTIA Network+ N10-007 Prof Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ • • steve  

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      @Pete-S Very true, in IT temporary becamos forever... that is a LAW!!!
    • Copper Termination Standards - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ • • steve  

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      @scottalanmiller said in Copper Termination Standards - CompTIA Network+ N10-007 Prof. Messer: @jmoore said in Copper Termination Standards - CompTIA Network+ N10-007 Prof. Messer: @scottalanmiller said in Copper Termination Standards - CompTIA Network+ N10-007 Prof. Messer: But I'm literally 100% confident given your description, that you are perceiving it as people using "cell phones" to replace VoIP, and not realizing that it's standard VoIP softphones being deployed onto mobile computing devices that are often, but not required to be, cell phones. We have cisco everything and I was told it was too expensive to have softphones on our cell, we instead must have a separate cell phone. I doubt that, but who knows. And yet it wasn't too expensive to have Cisco... suspicious. yep, agree!
    • Optical Fiber Connectors - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ fiber optic • • steve  

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      @melvinsilva said in Optical Fiber Connectors - CompTIA Network+ N10-007 Prof. Messer: @mary It depends on what you have, some Cisco Switches came with GBIC others (now in time) come with SPF. And now SFP+ (SPF is sunscreen levels, SFP/SFP+ are the adapters.)
    • Copper Connectors - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ • • steve  

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      @JaredBusch This type of cable Im refering to.
    • Optical Fiber - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ • • steve  

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      @JaredBusch said in Optical Fiber - CompTIA Network+ N10-007 Prof. Messer: The point was that it is cheaper to buy pre-terminated fiber in the lengths needed instead of buying fiber and getting it terminated. Not that does not apply universally. It does apply for most office buildings. Where he is, I have random conversations with people who are like "Oh yeah, I trenched across town myself." Things you never hear here. There is actually a lot of self termination, lol.
    • Copper Cabling - CompTIA Network+ N10-007 Prof. Messer
      Training • youtube networking comptia prof messer certification video training it career it training network+ cabling • • steve  

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      In one of the companies that I worked, they have an "Initial Test" for any Engenier; They ask you, Are you an Engenier?, then do a Patch cord, here are the tools, make 1 with B Standard. That is the way to show that you are a good engenier... jajaja