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<!-- 2024-04-19 Fri 19:58 -->
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</head>
<body>
<div id="content" class="content">
<h1 class="title">Class notes</h1>
<div id="table-of-contents" role="doc-toc">
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
<li><a href="#org740344c">1. class 1 <i>sun sep 17 13:04:43 2023</i></a>
<ul>
<li><a href="#orgdeedad1">1.1. Les Reseaux locaux (LAN)</a></li>
<li><a href="#org4046b4b">1.2. MAC Address :</a></li>
<li><a href="#orgc7732e1">1.3. RJ-45 connecteurs</a></li>
<li><a href="#org0f55269">1.4. IPV4 classes :</a></li>
<li><a href="#org4127e6b">1.5. Adresses privées:</a></li>
<li><a href="#orge90d8a0">1.6. 500 hosts :</a></li>
<li><a href="#org67a8bc7">1.7. 150 hosts :</a></li>
<li><a href="#orgea65848">1.8. 60 hosts :</a></li>
<li><a href="#org9afb58b">1.9. 30 hosts:</a></li>
<li><a href="#orge54390c">1.10. 20</a></li>
<li><a href="#orgd72daa2">1.11. 15</a></li>
</ul>
</li>
<li><a href="#orgc3dfb36">2. Class 2Sun <i>Sep 24 09:09:28 2023</i></a>
<ul>
<li><a href="#org7607698">2.1. CCTV (finally)</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div id="outline-container-org740344c" class="outline-2">
<h2 id="org740344c"><span class="section-number-2">1.</span> class 1 <i>sun sep 17 13:04:43 2023</i></h2>
<div class="outline-text-2" id="text-1">
</div>
<div id="outline-container-orgdeedad1" class="outline-3">
<h3 id="orgdeedad1"><span class="section-number-3">1.1.</span> Les Reseaux locaux (LAN)</h3>
<div class="outline-text-3" id="text-1-1">
<p>
Cable 10 mbps ou moins = Ethernet
Cable 100 mbps = Fast Ethernet
Cable 1000 mbps ou plus = Giga Ethernet
</p>
</div>
</div>
<div id="outline-container-org4046b4b" class="outline-3">
<h3 id="org4046b4b"><span class="section-number-3">1.2.</span> MAC Address :</h3>
<div class="outline-text-3" id="text-1-2">
<p>
First three Bytes : vendor
Last three Bytes : Unique ID
(In Hexadecimal)
</p>
<p>
TODO: CSMA/ CA CD
</p>
</div>
</div>
<div id="outline-container-orgc7732e1" class="outline-3">
<h3 id="orgc7732e1"><span class="section-number-3">1.3.</span> RJ-45 connecteurs</h3>
<div class="outline-text-3" id="text-1-3">
</div>
<ol class="org-ol">
<li><a id="org4039adc"></a>Straight<br /></li>
<li><a id="orgea66000"></a>Crossover (croisé)<br /></li>
<li><a id="orgfd2e4fe"></a>Rollover (console)<br /></li>
</ol>
</div>
<div id="outline-container-org0f55269" class="outline-3">
<h3 id="org0f55269"><span class="section-number-3">1.4.</span> IPV4 classes :</h3>
<div class="outline-text-3" id="text-1-4">
<ul class="org-ul">
<li>Classe A : 0 - 127 /8
<ul class="org-ul">
<li>0.0.0.0/0 : route par default</li>
<li>127.0.0.0/8 : bouclage</li>
</ul></li>
<li>Classe B : 128 - 191 /16
<ul class="org-ul">
<li>169.254.0.0/16 : APIPA</li>
</ul></li>
<li>Classe C : 192 - 223 /24</li>
<li>Classe D : 224 - 239
<ul class="org-ul">
<li>Multicast</li>
</ul></li>
<li>Classe E : 240 - 255</li>
</ul>
</div>
</div>
<div id="outline-container-org4127e6b" class="outline-3">
<h3 id="org4127e6b"><span class="section-number-3">1.5.</span> Adresses privées:</h3>
<div class="outline-text-3" id="text-1-5">
<ul class="org-ul">
<li>Classe A : 10.0.0.0 - 10.255.255.255 /8</li>
<li>Classe B : 172.16.0.0 - 172.31.255.255 /12</li>
<li>Classe C : 192.168.0.0 - 192.168.255.255 /16</li>
</ul>
<p>
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
</p>
<p>
500
150
60
30
20
15
</p>
</div>
</div>
<div id="outline-container-orge90d8a0" class="outline-3">
<h3 id="orge90d8a0"><span class="section-number-3">1.6.</span> 500 hosts :</h3>
<div class="outline-text-3" id="text-1-6">
<p>
Addresse: 10.0.0.0 /23
</p>
<p>
500 - 256 = 244
</p>
<p>
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
</p>
</div>
</div>
<div id="outline-container-org67a8bc7" class="outline-3">
<h3 id="org67a8bc7"><span class="section-number-3">1.7.</span> 150 hosts :</h3>
<div class="outline-text-3" id="text-1-7">
<p>
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
</p>
</div>
</div>
<div id="outline-container-orgea65848" class="outline-3">
<h3 id="orgea65848"><span class="section-number-3">1.8.</span> 60 hosts :</h3>
<div class="outline-text-3" id="text-1-8">
<p>
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
</p>
</div>
</div>
<div id="outline-container-org9afb58b" class="outline-3">
<h3 id="org9afb58b"><span class="section-number-3">1.9.</span> 30 hosts:</h3>
<div class="outline-text-3" id="text-1-9">
<p>
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
</p>
</div>
</div>
<div id="outline-container-orge54390c" class="outline-3">
<h3 id="orge54390c"><span class="section-number-3">1.10.</span> 20</h3>
<div class="outline-text-3" id="text-1-10">
<p>
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
</p>
</div>
</div>
<div id="outline-container-orgd72daa2" class="outline-3">
<h3 id="orgd72daa2"><span class="section-number-3">1.11.</span> 15</h3>
<div class="outline-text-3" id="text-1-11">
<p>
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
</p>
</div>
</div>
</div>
<div id="outline-container-orgc3dfb36" class="outline-2">
<h2 id="orgc3dfb36"><span class="section-number-2">2.</span> Class 2Sun <i>Sep 24 09:09:28 2023</i></h2>
<div class="outline-text-2" id="text-2">
</div>
<div id="outline-container-org7607698" class="outline-3">
<h3 id="org7607698"><span class="section-number-3">2.1.</span> CCTV (finally)</h3>
</div>
</div>
</div>
<div id="postamble" class="status">
<p class="author">Author: Crystal</p>
<p class="date">Created: 2024-04-19 Fri 19:58</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>

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@ -1,97 +0,0 @@
#+title: Class notes
* class 1 /sun sep 17 13:04:43 2023/
** Les Reseaux locaux (LAN)
Cable 10 mbps ou moins = Ethernet
Cable 100 mbps = Fast Ethernet
Cable 1000 mbps ou plus = Giga Ethernet
** MAC Address :
First three Bytes : vendor
Last three Bytes : Unique ID
(In Hexadecimal)
TODO: CSMA/ CA CD
** RJ-45 connecteurs
**** Straight
**** Crossover (croisé)
**** Rollover (console)
** IPV4 classes :
- Classe A : 0 - 127 /8
- 0.0.0.0/0 : route par default
- 127.0.0.0/8 : bouclage
- Classe B : 128 - 191 /16
- 169.254.0.0/16 : APIPA
- Classe C : 192 - 223 /24
- Classe D : 224 - 239
- Multicast
- Classe E : 240 - 255
** Adresses privées:
- Classe A : 10.0.0.0 - 10.255.255.255 /8
- Classe B : 172.16.0.0 - 172.31.255.255 /12
- Classe C : 192.168.0.0 - 192.168.255.255 /16
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
500
150
60
30
20
15
** 500 hosts :
Addresse: 10.0.0.0 /23
500 - 256 = 244
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
** 150 hosts :
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
** 60 hosts :
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
** 30 hosts:
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
** 20
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
** 15
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
* Class 2Sun /Sep 24 09:09:28 2023/
** CCTV (finally)