From bb6dfe8cd2675247e52f91ea516d8a64955a8b5e Mon Sep 17 00:00:00 2001 From: Crystal Date: Fri, 19 Apr 2024 20:02:21 +0100 Subject: Remove junk (html files) preparing for git exports --- src/org/class_notes.html | 420 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 420 insertions(+) create mode 100644 src/org/class_notes.html (limited to 'src/org/class_notes.html') diff --git a/src/org/class_notes.html b/src/org/class_notes.html new file mode 100644 index 0000000..4f7a736 --- /dev/null +++ b/src/org/class_notes.html @@ -0,0 +1,420 @@ + + + + + + + +Class notes + + + + + +
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Class notes

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1. class 1 sun sep 17 13:04:43 2023

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1.1. Les Reseaux locaux (LAN)

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+Cable 10 mbps ou moins = Ethernet +Cable 100 mbps = Fast Ethernet +Cable 1000 mbps ou plus = Giga Ethernet +

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1.2. MAC Address :

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+First three Bytes : vendor +Last three Bytes : Unique ID +(In Hexadecimal) +

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+TODO: CSMA/ CA CD +

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1.3. RJ-45 connecteurs

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  1. Straight
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  2. Crossover (croisé)
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  3. Rollover (console)
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1.4. IPV4 classes :

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  • Classe A : 0 - 127 /8 +
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    • 0.0.0.0/0 : route par default
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    • 127.0.0.0/8 : bouclage
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  • Classe B : 128 - 191 /16 +
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    • 169.254.0.0/16 : APIPA
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  • Classe C : 192 - 223 /24
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  • Classe D : 224 - 239 +
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    • Multicast
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  • Classe E : 240 - 255
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1.5. Adresses privées:

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  • Classe A : 10.0.0.0 - 10.255.255.255 /8
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  • Classe B : 172.16.0.0 - 172.31.255.255 /12
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  • Classe C : 192.168.0.0 - 192.168.255.255 /16
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+8 7 6 5 4 3 2 1 +128 64 32 16 8 4 2 1 +256 128 64 32 16 8 4 2 +/24 /25 /26 /27 /28 /29 /30 /31 +

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+500 +150 +60 +30 +20 +15 +

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1.6. 500 hosts :

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+Addresse: 10.0.0.0 /23 +

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+500 - 256 = 244 +

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+First IP : 10.0.0.1 /23 +Last IP : 10.0.1.254 /23 +@B IP : 10.0.1.255 /23 +Mask : 255.255.254.0 +

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1.7. 150 hosts :

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+Addresse: 10.0.2.0 /24 +First IP: 10.0.2.1 /24 +Last IP: 10.0.2.254 /24 +@B IP: 10.0.2.255 /24 +Mask: 255.255.255.0 +

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1.8. 60 hosts :

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+Addresse: 10.0.3.0 /26 +First IP: 10.0.3.1 /26 +Last IP: 10.0.3.63 /26 +@B IP: 10.0.3.64 /26 +Mask: 255.255.255.191 +

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1.9. 30 hosts:

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+Addresse: 10.0.3.63/8 +First IP: 10.0.3.64/8 +Last IP: 10.0.3.96/8 +@B IP: 10.0.3.97/8 +Mask: 255.255.255.158/11 +

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1.10. 20

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+Addresse: 10.0.3.97/8 +First IP: 10.0.3.98/8 +Last IP: 10.0.3.128/8 +@B IP: 10.0.3.129/8 +Mask: 255.255.255.126/11 +

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1.11. 15

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+Addresse: 10.0.3.129/8 +First IP: 10.0.3.130/8 +Last IP: 10.0.3.144/8 +@B IP: 10.0.3.145/8 +Mask: 255.255.255.110/12 +

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2. Class 2Sun Sep 24 09:09:28 2023

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2.1. CCTV (finally)

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Author: Crystal

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Created: 2024-04-19 Fri 19:58

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Validate

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