[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.sszfm.cz\/nastroj-pro-diagnostiku-vasi-wi-fi-site-v-operacnim-systemu-android\/#Article","mainEntityOfPage":"https:\/\/www.sszfm.cz\/nastroj-pro-diagnostiku-vasi-wi-fi-site-v-operacnim-systemu-android\/","headline":"N\u00e1stroj pro diagnostiku va\u0161\u00ed Wi-Fi s\u00edt\u011b v opera\u010dn\u00edm syst\u00e9mu Android","name":"N\u00e1stroj pro diagnostiku va\u0161\u00ed Wi-Fi s\u00edt\u011b v opera\u010dn\u00edm syst\u00e9mu Android","description":"Routery. Tyto nejvyt\u00ed\u017een\u011bj\u0161\u00ed s\u00ed\u0165ov\u00e9 prvky dnes a denn\u011b pracuj\u00ed i v kav\u00e1rn\u00e1ch, restaurac\u00edch, ve sportovn\u00edch za\u0159\u00edzen\u00edch, v r\u016fzn\u00fdch klubech, na m\u00edtinc\u00edch a spole\u010densk\u00fdch akc\u00edch. Zpravidla jsou zapojeny nonstop a jejich elektronick\u00e9 obvody mus\u00ed sn\u00e1\u0161et trvalou z\u00e1t\u011b\u017e. N\u011bkdy b\u00fdv\u00e1 p\u0159ipojen\u00ed p\u0159es bezdr\u00e1tovou s\u00ed\u0165 p\u0159\u00edli\u0161 pomal\u00e9, nebo se v\u00e1m zd\u00e1, \u017ee nen\u00ed","datePublished":"2023-05-15","dateModified":"2023-05-15","author":{"@type":"Person","@id":"https:\/\/www.sszfm.cz\/author\/#Person","name":"","url":"https:\/\/www.sszfm.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/8e6cbe5510d042e6a0b15162e198f2fd22eed76a4b5a1734d2174c652daccabc?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e6cbe5510d042e6a0b15162e198f2fd22eed76a4b5a1734d2174c652daccabc?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"sszfm.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.sszfm.cz\/wp-content\/uploads\/img_a311210_w1930_t1522133768.png","url":"https:\/\/www.sszfm.cz\/wp-content\/uploads\/img_a311210_w1930_t1522133768.png","height":0,"width":0},"url":"https:\/\/www.sszfm.cz\/nastroj-pro-diagnostiku-vasi-wi-fi-site-v-operacnim-systemu-android\/","wordCount":447,"articleBody":"Routery. Tyto nejvyt\u00ed\u017een\u011bj\u0161\u00ed s\u00ed\u0165ov\u00e9 prvky dnes a denn\u011b pracuj\u00ed i v kav\u00e1rn\u00e1ch, restaurac\u00edch, ve sportovn\u00edch za\u0159\u00edzen\u00edch, v r\u016fzn\u00fdch klubech, na m\u00edtinc\u00edch a spole\u010densk\u00fdch akc\u00edch. Zpravidla jsou zapojeny nonstop a jejich elektronick\u00e9 obvody mus\u00ed sn\u00e1\u0161et trvalou z\u00e1t\u011b\u017e. N\u011bkdy b\u00fdv\u00e1 p\u0159ipojen\u00ed p\u0159es bezdr\u00e1tovou s\u00ed\u0165 p\u0159\u00edli\u0161 pomal\u00e9, nebo se v\u00e1m zd\u00e1, \u017ee nen\u00ed stabiln\u00ed, a pokud nepom\u016f\u017ee ani restart za\u0159\u00edzen\u00ed, m\u016f\u017ee b\u00fdt probl\u00e9m k nalezen\u00ed paradoxn\u011b mimo v\u00e1\u0161 objekt. N\u011bkdo m\u016f\u017ee va\u0161i Wi-Fi s\u00ed\u0165 ru\u0161it.
 
 Jako dokonal\u00fd pomocn\u00edk k diagnostice s\u00ed\u0165ov\u00e9ho rozhran\u00ed se jev\u00ed Network Analyzer. Je dostupn\u00fd v obchod\u011b Google Play zdarma. Pou\u017e\u00edv\u00e1 n\u011bkolik speci\u00e1ln\u00edch p\u0159\u00edkaz\u016f pro otestov\u00e1n\u00ed va\u0161eho bezdr\u00e1tov\u00e9ho vys\u00edla\u010de:
 \u00b7 P\u0159\u00edkaz Ping ov\u011b\u0159\u00ed p\u0159\u00edstupnost s\u00ed\u0165ov\u00e9ho za\u0159\u00edzen\u00ed a dobu odezvy v milisekund\u00e1ch.
 \u00b7 Ports sn\u00edm\u00e1 stav v\u0161ech s\u00ed\u0165ov\u00fdch port\u016f a dozv\u00edte se, kter\u00e9 z nich jsou uzav\u0159en\u00e9 a kter\u00e9 otev\u0159en\u00e9.
 \u00b7 P\u0159\u00edkaz Route mapuje stav s\u00ed\u0165ov\u00e9 \u201ecesty\u201c mezi s\u00ed\u0165ov\u00fdmi prvky, tedy konkr\u00e9tn\u011b mezi chytr\u00fdm telefonem a serverem. Zaj\u00edmav\u00e9 je tak\u00e9 pozorovat, kudy va\u0161e data prot\u00e9kaj\u00ed, resp. p\u0159es kter\u00e9 zem\u011b. Dozv\u00edte se to z mal\u00fdch vlaje\u010dek v popisu s\u00ed\u0165ov\u00e9 cesty.
 
 \u00b7 Whois je standardn\u00ed unixov\u00fd p\u0159\u00edkaz pro zji\u0161t\u011bn\u00ed informac\u00ed o IP adrese nebo dom\u00e9n\u011b. Snadno tak zjist\u00edte webhosting ka\u017ed\u00e9ho webu. 
 Hust\u011b zas\u00ed\u0165ovan\u00e9 oblasti (a nemus\u00ed to b\u00fdt ani hust\u011b obydlen\u00e1 m\u00edsta) m\u00edvaj\u00ed probl\u00e9m s ru\u0161en\u00edm bezdr\u00e1tov\u00e9ho sign\u00e1lu. Ka\u017ed\u00fd router si p\u0159edstavte jako miniaturn\u00ed vys\u00edla\u010d, kter\u00fd pracuje na ur\u010dit\u00e9 frekvenci (kan\u00e1lu). K ru\u0161en\u00ed dojde tehdy, jsou-li nabl\u00edzku dva, nebo v\u00edce router\u016f, vys\u00edlaj\u00edc\u00edch data ve stejn\u00e9m p\u00e1smu. Pozn\u00e1te to pak podle lability s\u00edt\u011b, nebo sn\u00ed\u017een\u00edm p\u0159enosov\u00e9 rychlosti. Pr\u00e1v\u011b ke zji\u0161t\u011bn\u00ed optim\u00e1ln\u00edho kan\u00e1lu poslou\u017e\u00ed Network Analyzer.
 
 V \u010d\u00e1sti programu s n\u00e1zvem LAN Scan m\u016f\u017eete tak\u00e9 pohodln\u011b vysledovat, kdo je k va\u0161\u00ed s\u00edti moment\u00e1ln\u011b p\u0159ipojen. Zobraz\u00ed se seznam v\u0161ech fyzick\u00fdch za\u0159\u00edzen\u00ed a t\u00edm lze snadno detekovat p\u0159\u00edpadn\u00e9ho nezvan\u00e9ho n\u00e1v\u0161t\u011bvn\u00edka, kter\u00fd se na v\u00e1s p\u0159ipojil. Pokud v\u0161ak m\u00e1te zabezpe\u010denou Wi-Fi a m\u00e1te ji chr\u00e1n\u011bnu dostate\u010dn\u011b siln\u00fdm heslem, nem\u011blo by k tomu doj\u00edt.
                                                                                                                                                                                                                                                                                                                                                                                         4.2\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"N\u00e1stroj pro diagnostiku va\u0161\u00ed Wi-Fi s\u00edt\u011b v opera\u010dn\u00edm syst\u00e9mu Android","item":"https:\/\/www.sszfm.cz\/nastroj-pro-diagnostiku-vasi-wi-fi-site-v-operacnim-systemu-android\/#breadcrumbitem"}]}]