Cibiyoyin sadarwa na amfani da fasaha masu yawa wanda ya ƙunshi lambobi. Wasu daga waɗannan lambobin (da lambobi na lambobi) suna da ma'anar musamman. Koyo abin da duk waɗannan "sihirin sihiri" na nufin zai taimake ka ka fahimci hanyoyin sadarwa da al'amurran sadarwa.
1, 6 da 11
Wibiyar sadarwa mara waya ta Wi-Fi tana aiki a wasu ƙananan matakan da ake kira tashoshi . Shafukan Wi-Fi na ainihi sun aiwatar da tashoshin tashoshin da aka ƙidaya 1 zuwa 14 tare da wasu tashoshin da ke da nauyin da aka fara. Tashoshi 1, 6 da 11 sune kawai tashoshi guda uku waɗanda ba tare da ɓoyewa ba a cikin wannan makirci. Masu kula mara waya ta hanyar mara waya mara kyau za su iya amfani da waɗannan lambobin na musamman lokacin da ke daidaita hanyoyin sadarwa na Wi-Fi a matsayin hanyar da za ta rage tsangwama ga maƙwabta. Kara "
2.4 da 5
Cibiyoyin sadarwa Wi-Fi kusan sune kawai suna gudana a kan sassan biyu na siginar mara waya, daya kusa da 2.4 GHz kuma ɗayan kusa da 5 GHz. Gilasar GHz 2.4 tana goyon bayan tashoshi 14 (kamar yadda aka bayyana a sama) yayin da 5 GHz band yana goyan baya da yawa. Duk da yake mafi yawan na'urori na Wi-Fi na goyon bayan nau'i ɗaya ko ɗayan, abin da ake kira dual-band mara waya na kayan aiki ya ƙunshi nau'i-nau'i iri biyu da ke bada damar yin amfani da na'urar guda ɗaya don sadarwa a kan waɗannan makamai. Kara "
5-4-3-2-1
Dalibai da masu sana'a suna koyar da al'ada na 5-4-3 na zane-zane na cibiyar sadarwa don taimaka musu suyi aiki tare da fasaha na fasaha da suka ci gaba kamar kamuwa da yankuna da jinkirin jinkirin. Kara "
10 (da 100 da 1000)
Ƙididdiga mafi yawan bayanai na cibiyar sadarwa na Ethernet 10 negabits da na biyu (Mbps). Kamar yadda wannan fasaha na fasaha ta jiki ya ci gaba a shekarun 1990 zuwa 2000, Cibiyar Fast Ethernet da ke tallafawa 100 Mbps ya zama misali mafi girma, Gigabit Ethernet ya biyo baya a 1000 Mbps. Kara "
11 (da 54)
Ƙididdiga mafi yawan bayanai na farkon gidan yanar gizo na Wi-Fi wanda ke kan 802.11b ya 11 Mbps. Sakamakon 802.11g na Wi-Fi ya karu wannan ƙimar zuwa 54 Mbps. A yau, zazzage Wi-Fi na 150 Mbps kuma mafi girma ma zai yiwu. Kara "
13
A Domain Name System (DNS) Sarrafa yanar-gizon sunaye a fadin duniya. Don yin la'akari da matakin, DNS yana amfani da tarin samfurori na saitunan yanar gizo. A tushen tushen zama a sa na 13 DNS tushen uwar garken gungu aptly mai suna 'A' ta hanyar 'M.' Kara "
80 (da 8080)
A cikin sadarwar TCP / IP , ana sarrafa tashar sadarwa ta hanyar tsarin tashar jiragen ruwa . 80 shi ne tashar tashar tashar jiragen ruwa mai amfani ta yanar gizo don karɓar buƙatun buƙatun HTTP daga masu bincike na yanar gizo da sauran abokan ciniki. Wasu shafukan yanar gizo irin su gwajin gwajin injiniya sunyi amfani da tashar jiragen ruwa 8080 ta hanyar yarjejeniyar matsayin madadin 80 don kauce wa ƙuntatawa na fasaha akan amfani da wuraren da ba a ƙidayar ba a kan Linux / Unix tsarin. Kara "
127.0.0.1
Masu adaftar cibiyar sadarwar ta amfani da wannan adireshin IP don "loopback" - hanyar sadarwar ta musamman da ta ba da damar na'urar ta aika saƙonni ga kansa. Masu aikin injiniya suna amfani da wannan na'ura don taimakawa wajen gwada na'urorin sadarwa da aikace-aikace. Kara "
192.168.1.1
Wannan adireshin IP ɗin mai zaman kansa ya zama sananne a cikin gidaje ta hanyar hanyar sadarwa na gida daga Linksys da sauran masana'antun da suka zaba shi (daga cikin babban tafkin lambobi) kamar yadda ma'aikata ke amfani da shi don mai shiga tsakani. Wasu shahararrun adiresoshin IP na roba sun hada da 192.168.0.1 da 192.168.2.1 . Kara "
255 (da FF)
Ɗaya daga cikin bayanan bayanan kwamfuta zai iya adana har zuwa 256 halaye daban-daban. Ta hanyar yarjejeniya, kwakwalwa ta amfani da bytes don wakiltar lambobi tsakanin 0 da 255. Adreshin IP yana bin wannan taron, yana amfani da lambobi kamar 255.255.255.0 a matsayin masks na cibiyar sadarwa. A cikin IPv6 , nau'i na hexadecimal 255 - FF - wani ɓangare ne na tsari na magancewa. Kara "
500
Wasu sakonnin kuskure da aka nuna a cikin shafin yanar gizon yanar gizonku suna nasaba da lambobin kuskure HTTP . Daga cikin waɗannan, kuskuren HTTP 404 shine mafi sananne, amma wannan yana haifar da shi ne ta hanyar haɗin yanar gizo fiye da haɗin yanar gizo. HTTP 500 shine lambar kuskuren kuskure da aka jawo lokacin da uwar garken yanar gizo bai iya amsa buƙatun cibiyar sadarwa daga abokin ciniki, ko da yake kurakurai 502 da 503 kuma zasu iya faruwa a wasu yanayi. Kara "
802.11
Cibiyar Kayan lantarki da injiniyoyin lantarki (IEEE) ke kula da iyali na matsakaicin hanyar sadarwa mara waya a ƙarƙashin lambar "802.11." An kafa ka'idoji na Wi-Fi na farko da 802.11a da 802.11b a 1999, sa'annan sababbin sababbin sun hada da 802.11g, 802.11n da 802.11ac . Kara "
49152 (har zuwa 65535)
TCP da UDP tashar lambobin farawa da 49152 ana kiran su tashar jiragen ruwa , ɗakuna masu zaman kansu ko tashoshin ephemeral . Ba a gudanar da tashar jiragen ruwa mai dorewa ba ta kowane gwamnonin kamar IANA kuma basu da ƙuntatawa na musamman. Ayyuka yawanci suna karɓar ɗaya ko fiye da sansanin maras tabbas a cikin wannan kewayon lokacin da suke buƙatar yin sadarwar sauti na multithreaded.