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2018-02-27 18:32:55 +08:00
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notes/计算机网络.md
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@ -33,8 +33,10 @@
* [3. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#3-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* [<EFBFBD><EFBFBD><EFBFBD>Ե<EFBFBD><EFBFBD>ŵ<EFBFBD> - PPP Э<><D0AD>](#<23><><EFBFBD>Ե<EFBFBD><D4B5>ŵ<EFBFBD>---ppp-Э<><D0AD>)
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* [Media Access Control](#media-access-control)
* [<EFBFBD>㲥<EFBFBD>ŵ<EFBFBD> - CSMA/CD Э<><D0AD>*](#<23>㲥<EFBFBD>ŵ<EFBFBD>---csmacd-Э<><D0AD>)
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* [·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĶԱ<EFBFBD>](#·<><C2B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĶԱ<C4B6>)
* [MAC <20><>](#mac-<2D><>)
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
* [<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*](#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
@ -190,7 +192,7 @@
1. Ӧ<>ò㣺Ϊ<E3A3BA>ض<EFBFBD>Ӧ<EFBFBD>ó<EFBFBD><C3B3><EFBFBD><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> HTTP<54><50>DNS <20>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>ݵ<EFBFBD>λΪ<CEBB><CEAA><EFBFBD>ġ<EFBFBD>
2. <20><><EFBFBD><EFBFBD><EFBFBD>㣺<EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD>ǽ<EFBFBD><C7BD>̼<EFBFBD><CCBC><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ò<EFBFBD>Э<EFBFBD><D0AD><EFBFBD>ܶ࣬<DCB6><E0A3AC><EFBFBD><EFBFBD>ͨ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD><D0AD><EFBFBD>Ϳ<EFBFBD><CDBF><EFBFBD>֧<EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ò<EFBFBD>Э<EFBFBD>顣<EFBFBD><E9A1A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD>飺<EFBFBD><E9A3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD><D0AD> TCP<43><50><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><D3A1>ɿ<EFBFBD><C9BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>λΪ<CEBB><CEAA><EFBFBD>ĶΣ<C4B6><CEA3>û<EFBFBD><C3BB><EFBFBD><EFBFBD>ݱ<EFBFBD>Э<EFBFBD><D0AD> UDP<44><50><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŭ<EFBFBD><C5AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>λΪ<CEBB>û<EFBFBD><C3BB><EFBFBD><EFBFBD>ݱ<EFBFBD><DDB1><EFBFBD>
2. <20><><EFBFBD><EFBFBD><EFBFBD>㣺<EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD>ǽ<EFBFBD><C7BD>̼<EFBFBD><CCBC><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ò<EFBFBD>Э<EFBFBD><D0AD><EFBFBD>ܶ࣬<DCB6><E0A3AC><EFBFBD><EFBFBD>ͨ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD><D0AD><EFBFBD>Ϳ<EFBFBD><CDBF><EFBFBD>֧<EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ò<EFBFBD>Э<EFBFBD>顣<EFBFBD><E9A1A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD>飺<EFBFBD><E9A3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD><D0AD> TCP<43><50><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><D3A1>ɿ<EFBFBD><C9BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>λΪ<CEBB><CEAA><EFBFBD>ĶΣ<C4B6><CEA3>û<EFBFBD><C3BB><EFBFBD><EFBFBD>ݱ<EFBFBD>Э<EFBFBD><D0AD> UDP<44><50><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŭ<EFBFBD><C5AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>λΪ<CEBB>û<EFBFBD><C3BB><EFBFBD><EFBFBD>ݱ<EFBFBD><DDB1><EFBFBD>TCP <20><>Ҫ<EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><D4B7><EFBFBD><EFBFBD><EFBFBD>UDP <20><>Ҫ<EFBFBD>ṩ<EFBFBD><E1B9A9>ʱ<EFBFBD>Է<EFBFBD><D4B7><EFBFBD><EFBFBD><EFBFBD>
3. <20><><EFBFBD><EFBFBD><EFBFBD>㣺Ϊ<E3A3BA><CEAA><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD>񣬶<EFBFBD><F1A3ACB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Э<EFBFBD><D0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>еĽ<D0B5><C4BD><EFBFBD><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1>Ķλ<C4B6><CEBB><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD>ݱ<EFBFBD><DDB1><EFBFBD>װ<EFBFBD>ɷ<EFBFBD><C9B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>䡣
@ -298,6 +300,13 @@ TCP/IP Э
Ŀǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD>㷺ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飨CRC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>鲻<EFBFBD><EFBFBD> 100% <20>ɿ<EFBFBD><C9BF><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> CRC<52><43><EFBFBD><EFBFBD><EFBFBD>еļ<D0B5><C4BC>鷽<EFBFBD><E9B7BD><EFBFBD><EFBFBD><EFBFBD>磺
- <20><>żУ<C5BC>飺<EFBFBD><E9A3BA><EFBFBD><EFBFBD> 1 λʹ 1 <20><>λ<EFBFBD><CEBB>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ż<EFBFBD><C5BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>Ķ<EFBFBD>ά<EFBFBD><CEAC>żУ<C5BC>鷽<EFBFBD><E9B7BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ծ<EFBFBD><D4BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD>
- <20><><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD> UDP <20><><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>㷽<EFBFBD><E3B7BD><EFBFBD>ж<EFBFBD>
## <20><><EFBFBD>Ե<EFBFBD><D4B5>ŵ<EFBFBD> - PPP Э<><D0AD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>ij<EFBFBD><EFBFBD> ISP ֮<><D6AE><EFBFBD><EFBFBD><EFBFBD>ܽ<EFBFBD><DCBD>뵽<EFBFBD><EBB5BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PPP Э<><D0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ISP <20><><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>ʱ<EFBFBD><CAB1>ʹ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><C2B7>Э<EFBFBD>顣
@ -312,6 +321,10 @@ TCP/IP Э
![](https://github.com/CyC2018/InterviewNotes/blob/master/pics/8b15e36f-69b4-46b6-a07c-7234ac7c7927.jpg)
## Media Access Control
ý<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʿ<EFBFBD><EFBFBD><EFBFBD> <20><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <20><><EFBFBD><EFBFBD>·<EFBFBD>϶<EFBFBD><CFB6><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5>ķ<EFBFBD><C4B7><EFBFBD>
## <20>㲥<EFBFBD>ŵ<EFBFBD> - CSMA/CD Э<><D0AD>*
<EFBFBD>ڹ㲥<EFBFBD>ŵ<EFBFBD><EFBFBD>ϣ<EFBFBD>ͬһʱ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ̨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݡ<EFBFBD>
@ -336,6 +349,15 @@ CSMA/CD
![](https://github.com/CyC2018/InterviewNotes/blob/master/pics/40c3f8e5-3a20-45b6-a60c-77b9b952e104.jpg)
## ·<><C2B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĶԱ<C4B6>
| \ | <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> | ·<><C2B7><EFBFBD><EFBFBD> | <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> |
| --- | --- | --- | --- |
| traffic isolation | No | Yes | Yes |
| <20><><EFBFBD>弴<EFBFBD><E5BCB4> | Yes | No | Yes |
·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Թ㲥<EFBFBD>籩<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
## MAC <20><>
MAC <20><>ַ<EFBFBD><D6B7> 6 <20>ֽڣ<D6BD>48 λ<><CEBB><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ψһ<CEA8><D2BB>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ̨<D2BB><CCA8><EFBFBD><EFBFBD>ӵ<EFBFBD>ж<EFBFBD><D0B6>ٸ<EFBFBD><D9B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>ٸ<EFBFBD> MAC <20><>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼDZ<CABC><C7B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ձ<EFBFBD><D5B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>