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  1. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #1

    Default *TechNotes* Network+

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  3. Senior Member
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    #2
    Very nice. This reminded me of my fourth semester in Devry year 2000.
    Very detailed and clear
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  4. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #3
    Thanks Cross! I'm currently working on the next one. It will cover the first 5 objectives of the Network+ exam (logical and physical topologies, network technologies, ethernet standards, connectors and how clients are added.) I'm half way there, just need to create 6 more network diagrams and 8 connector photos ... I hope to have it up before the end of the weekend.

    Johan
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  5. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #4
    Ok, the next one in the Network+ series is ready: Media and Topologies (link is in the top post), covers almost everything in the first domain of the exam objectives. I'll write a separate TechNote about the other exam objective in that domain (1.6 network components.)

    Enjoy reading and let me know if you have any comments.

    Johan
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  6. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #5
    I just finished another TechNote for the Network+ exam:

    Network Components, covers the main network devices, a small part about collision and broadcast domains as well as the basic characteristics of VLANs.

    I hope the network diagrams illustrating the collision and broadcast domains make sense

    Next TechNote in line: TCP/IP protocols and their well-known ports (IP/TCP/UDP/SMTP/HTTP etc. etc.)

    Be sure to vote in our poll here: www.techexams.net/forums/viewtopic.php?t=381
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    #6
    These Tech Notes are just outstanding !

    Thanks for all your efforts.

    - Nicodemus
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  8. Senior Member
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    #7
    This is only my second post, as you can see, on this site. I have viewed over your tech notes and found them to be informative and easily understandable to you

    I have just begun searching these forums for info and plan on recommending to many of my friends. I wish I would have found this site awhile ago!
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  9. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #8
    Thanks Nicodemus and P42GDell! Such compliments keep me motivated

    I hope to finish the TCP/IP Suite TechNote today...
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  10. Senior Member
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    #9
    Not that it is a big deal...but just thought I'd mention the Ports practice exam you have has one small typo...

    (#5)
    5. Which port is used by the Poin-to-Point Tunneling Protocol?
    a. 443
    b. 159
    c. 1701
    d. 1723
    e. 80

    For those who don't know the answer...take the test and find out
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  11. Senior Member
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    #10
    One other thing....I didn't notice any port information in any of your TechNotes....are you planning on adding them or prolly not?

    Here are the ones I think that are most important to be familiar with FYI to anyone trying to learn them: maybe you could incorporate these into your TechNotes Johan?

    Protocol/Service-Port#
    FTP-21
    Telnet-23
    SMTP-25
    DNS-53
    TFTP-69
    Gopher-70
    Finger-79
    HTTP-80
    POP3-110
    NNTP-119
    NTP-123
    NNS137
    IMAP-143
    SNMP-161
    HTTPS-443
    WINS-1512
    L2TP-1701
    PPTP-1723
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  12. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #11
    Thanks for spotting the typo. fixed.

    As for the well-known ports: 6 post above this one I mentioned the next TechNote in line: "TCP/IP protocols and their well-known ports (IP/TCP/UDP/SMTP/HTTP etc. etc.)"

    It is going to be a single TechNote covering the TCP/IP suite instead, including protocols and service and addressing as well as the port numbers and why they exist, it'll be ready before the end of the weekend for sure.

    Here's a list of more ports in an other post by Cross: www.techexams.net/forums/viewtopic.php?t=97
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  13. Senior Member
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    #12
    Woops, I completely forgot about that post...duh ...sorry

    Man, that link you posted..wow, what a whole lot of ports
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  14. Senior Member
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    #13
    Too many ports indeed. I came across them when I was reviewing some notes on Network+, a good time ago
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  15. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #14
    it'll be ready before the end of the weekend for sure.
    I should have learned by now not to give myself deadlines

    For those waiting for it, I'll need a little more time to finish this TCP/IP TechNote.
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  16. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #15
    Here it is: TCP/IP Suite TechNote

    I'm not completely happy with it myself and I'll probably do a rewrite on this topic before I put it all together in the PDF, I'm also going to include the following objectives in this same TechNote later this week:

    2.7 Identify the purpose of the following network services (e.g. DHCP/bootp, DNS, NAT/ICS, WINS, and SNMP)

    4.8 Given a scenario, predict the impact of modifying, adding, or removing network services (e.g., DHCP, DNS, WINS, etc.) on network resources and users.

    After this "WAN Technologies" and then the "7-layer OSI model TechNote".

    Johan
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  17. Junior Member
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    #16
    I like your Technotes,they are clear and to the point.They make a good exam preparation tool.

    Regards

    Foggy.
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  18. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #17
    Thanks Foggy

    Wow, is this month flying by or what... its been almost two weeks already since the last TechNote for the Network+ exam, but I'm working on a couple of new ones of which the first should be finished within a day or so, as well as some new practice questions...

    Johan
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  19. Junior Member
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    #18
    First post. What a great site! Happened upon it on friday. Am studying for my Net+ right now, hope to test in the next week or 2 so this is
    a really big help to me. Passed my A+ hardware 1-15 and the OS
    1-27 Thanks again for such a great site.
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  20. Junior Member
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    #19
    Just found your notes. Very informative. I passed the the A+ tests last month, and am studying for the Net+ now.
    I got the MCP for W2Kpro last year.
    What do you think, should I go for the 70-215 and 70-218 to try for the MCSA or should I skip the rest of the Micrsoft stuff and go for the iNet+?
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  21. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #20
    Thanks for the compliment guys

    I'm almost done with the next TechNote, currently trying to figure out how to explain frame relay without throwing around an overload of abbreviations and details you don't need to know for the exam

    Quote Originally Posted by randycgaz
    What do you think, should I go for the 70-215 and 70-218 to try for the MCSA or should I skip the rest of the Micrsoft stuff and go for the iNet+?
    Personally I would go for the MCSA, you might be able to get a better (read: more rewarding) job with that one. I consider i-Net+ to be a good 'extra' cert, but it doesn't compare to MCSA...
    I would do both if I would have the opportunity, but I would start with MCSA.
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  22. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #21
    OK, here's the next for the Network+ series:
    WAN Technologies

    Related to the exam objective:
    2.11 Identify the basic characteristics (e.g., speed, capacity, media) of the following WAN technologies:
    - Packet switching vs. circuit switching
    - ISDN
    - FDDI (Covered in the Media and Topologies TechNote)
    - ATM
    - Frame Relay
    - Sonet/SDH
    - T1/E1
    - T3/E3
    - OCx

    I was planning on doing the OSI Model TechNote next, but I'm going to do a short one one IPX/SPX, NETBEUI and AppleTalk first....

    Johan
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  23. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #22
    Change of plans again... I want to cover every single Exam Objective CompTIA lists for the NET+ exam and as I'm going through them one by one I notice a lot of overlap... also I'm not sure the eventual PDF will have the same chapters in the same order... maybe I'll separate some TechNotes into several or combine some more later, but here's what will follow in the next couple of weeks, in somewhat random order:

    - Addition to the TCP/IP Suite TechNote to cover network services (Exam Objectives: 2.7, 4.8 )
    - 7-layer OSI reference model (2.2, 2.4)
    - Operating Systems and Protocols ( 2.3 (minus TCP/IP), 3.1 and 4.4 and maybe 3.2 and 4.11)
    - Remote Access (2.12, 3.7, 4.3)
    - Security Protocols (2.13)
    - Proxies and Firewalls (3.8, 3.9, 3.10)
    - Fault Tolerance, Distaster Recovery (3.5, 3.6)
    - NAS (3.4)
    - Tools (4.5)
    - Network Support (4.6 4.9 4.10 4.12)
    - And last but not least dosens of new practice questions...

    Comments would be welcome.

    Johan
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  24. Johan Hiemstra Forum Admin Webmaster's Avatar
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    #23
    Finally finished the OSI model TechNote

    There's a lot of 'OSI' on the web already so I tried to write something useful and primarily directed to the network+ exam objectives, I hope I succeeded in trying...

    Comments/critics anyone?
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  25. Grumpy old bugger RussS's Avatar
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    #24
    Very good presentation.
    Maybe a little bit more in-depth than the Comptia Net+ exam demands, but I have always thought that was a little light in some areas.
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  26. Junior Member
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    #25

    Default Tech Notes

    This is one of the best sites I have seen for exam prep and your tech notes seem to be concise and easily assimilated. Have had my A+ for 2.5 years and just started on Network+. Also planning to get MCP in 2kPro - don't know if I want to tackle 2KServer this year. Keep up the good work.

    gavi
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