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Aliaksei Konyshau 2021-01-28 22:03:10 +03:00
commit 099aca67a3
11 changed files with 101 additions and 0 deletions

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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE sklep [
<!ELEMENT sklep (dzial1,dzial2)>
<!ELEMENT dzial1 (polki1,polki2)>
<!ELEMENT dzial2 (polki3,polki4)>
<!ELEMENT polki1(warzywa,owoce,milkfood)>
<!ELEMENT warzywa (#PCDATA)>
<!ELEMENT owoce (#PCDATA)>
<!ELEMENT milkfood (#PCDATA)>
<!ATTLIST polki1 domain CDATA "food">
<!ELEMENT polki2(paperowe,dlapisania)>
<!ELEMENT paperowe (#PCDATA)>
<!ELEMENT dlapisania (#PCDATA)>
<!ATTLIST polki2 domain CDATA "kancelaria">
<!ELEMENT polki3(glowa,cialo,odnoza)>
<!ELEMENT glowa (#PCDATA)>
<!ELEMENT cialo (#PCDATA)>
<!ELEMENT odnoza (#PCDATA)>
<!ATTLIST polki3 domain CDATA "clothes">
<!ELEMENT polki4(twarz,rece)>
<!ELEMENT twarz (#PCDATA)>
<!ELEMENT rece (#PCDATA)>
<!ATTLIST polki4 domain CDATA "akcesoria">
]>
<sklep>
<dzial1 >
<polki1 domaim="food">
<warzywa>marchew,ogorek</warzywa>
<owoce>jablyk,wisnia,pomelo</owoce>
<milkfood>mleko,jogurt</milkfood>
</polki1>
<polki2 domain="kancelaria">
<paperowe>zeszyt,notatnik</paperowe>
<dlapisania>dlugopis,olowek</dlapisania>
</polki2>
</dzial1>
<dzial2>
<polki3 domain="clothes">
<glowa>czapka,szalik</glowa>
<cialo>zakiet,portki,podloszulek</cialo>
<odnoza>skarpetki,buty</odnoza>
</polki3>
<polki4 domain="akcesoria">
<twarz>okulary,kolczyki</twarz>
<rece>pierscien,bransoletka</rece>
</polki4>
</dzial2>
</sklep>

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Aliaksei Konyshau
zad1
DHCP
DHCPDISCOVER =>1
DHCPOFFER <=1
DHCPREQUEST =>2
DHCPACKNOWLEDGE <=2
ARP
żądania ARP request =>3
odpowiada tylko host 192.168.0.5 <=3
TCP
host A host 192.168.0.5
stan pakiet stan
SYN-SENT | SYN |
|---------------> | SYN-RECEIVED
| SYN ACK |
ESTABLISHED | <---------------|
| ACK |
| --------------> | ESTABLISHED
| DANE |
| 12 pakietow |
|---------------->|
| ACK |
| 12 pakietow |
|<----------------|
| FIN |
| --------------> |
| FIN/ACK |
|<----------------|
| ACK |
|---------------->|
19 pakietow wyslanych
18 pakietow odebranych
zad2
/15=11111111.11111110.0.0=255.254.0.0
/22=11111111.11111111.11111100.0=255.255.252.0
/9=11111111.10000000.0.0=255.128.0.0
zad3
255.248.0.0
n=13
2^(19)-2=524286
255.255.252
n=22
2^(10)-2=1022
255.255.255.254
n=31
2^(1)-2=0

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