{"id":55632,"date":"2020-01-24T00:00:00","date_gmt":"2020-01-23T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/mu-mu-gav-gav-krya-krya-evolyutsiya-akusticheskoj-kommunikatsii"},"modified":"2020-02-18T14:03:46","modified_gmt":"2020-02-18T11:03:46","slug":"mu-mu-gav-gav-krya-krya-evolyutsiya-akusticheskoj-kommunikatsii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/mu-mu-gav-gav-krya-krya-evolyutsiya-akusticheskoj-kommunikatsii","title":{"rendered":"Mu-mu, hav-hav, krya-krya: evol\u00facia akustickej komunik\u00e1cie","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Mu-mu,
\n
\nV zvieracom svete, do ktor\u00e9ho patr\u00ed aj \u010dlovek, existuje mno\u017estvo met\u00f3d prenosu inform\u00e1ci\u00ed medzi sebou. M\u00f4\u017ee to by\u0165 energick\u00fd tanec, ako u rajsk\u00fdch vt\u00e1kov, ktor\u00fd hovor\u00ed o pripravenosti samca na reprodukciu; m\u00f4\u017ee to by\u0165 v\u00fdrazn\u00e9 sfarbenie, ako u amazonsk\u00fdch stromov\u00fdch \u017eiab, ktor\u00e9 nazna\u010duje ich jedovatos\u0165; m\u00f4\u017ee to by\u0165 z\u00e1pach, ako u psov, ktor\u00fd ozna\u010duje hranice terit\u00f3ria. Ale najbe\u017enej\u0161ou formou akustickej komunik\u00e1cie, teda vyu\u017e\u00edvania zvukov, je pre v\u00e4\u010d\u0161inu vyvinut\u00fdch zvierat. U\u010d\u00edme dokonca aj na\u0161e deti u\u017e od plienok, kto a ako hovor\u00ed: kravi\u010dka \u2013 mu-mu-mu, ps\u00edk \u2013 hav-hav a podobne. Pre n\u00e1s je verb\u00e1lna, teda akustick\u00e1 komunik\u00e1cia neoddielite\u013en\u00fdm aspektom socializ\u00e1cie. To ist\u00e9 m\u00f4\u017eeme poveda\u0165 aj o ostatn\u00fdch reprezentantoch fauny. Vedci z Hainansk\u00e9ho univerzity (\u010c\u00edna) sa rozhodli nahliadnu\u0165 do minulosti, aby pochopili evol\u00faciu akustickej komunik\u00e1cie. Do akej miery je akustick\u00e1 komunik\u00e1cia roz\u0161\u00edren\u00e1 medzi zvieratami, kedy sa zrodila a pre\u010do sa stala dominantnou met\u00f3dou prenosu inform\u00e1ci\u00ed? O tom sa dozvieme z spr\u00e1vy v\u00fdskumn\u00edkov. Po\u010fme na to.<\/a><\/noindex><\/p>\n

Z\u00e1klad v\u00fdskumu<\/h3>\n

\nV tejto f\u00e1ze evolu\u010dn\u00e9ho v\u00fdvoja mnoh\u00e9 druhy fauny \u00faplne integrovali akustick\u00e9 sign\u00e1ly do svojho \u017eivotn\u00e9ho rytmu. Zvuky, ktor\u00e9 zvierat\u00e1 vyd\u00e1vaj\u00fa, sa pou\u017e\u00edvaj\u00fa na pril\u00e1kanie partnera (spev vt\u00e1kov, kv\u00e1kanie \u017eiab a pod.), na zistenie alebo dezorient\u00e1ciu nepriate\u013ea (krik sojky, ktor\u00fd d\u00e1va dravcovi najavo, \u017ee bol objaven\u00fd a pasca nefunguje, preto by sa mal lep\u0161ie stiahnu\u0165), na pren\u00e1\u0161anie inform\u00e1ci\u00ed o pr\u00edtomnosti potravy (nasiedky, ktor\u00e9 na\u0161li potravu, vyd\u00e1vaj\u00fa charakteristick\u00fd zvuk, aby pril\u00e1kali pozornos\u0165 svojho potomstva) a tak \u010falej.<\/p>\n

Zauj\u00edmav\u00fd fakt:<\/b>
\n

\r\n \"Prehrajte\r\n
<\/div>\r\n <\/div><\/center>
\nSam\u010dek jedno\u00fas\u00e9ho zvon\u00e1ra (Procnias albus)<\/i> vyd\u00e1va svadobn\u00fd krik o sile 125 dB (reakt\u00edvny motor \u2013 120\u2013140 dB), \u010d\u00edm sa st\u00e1va najhlasnej\u0161\u00edm vt\u00e1kom na plan\u00e9te.<\/i><\/p><\/blockquote>\n

\u0160t\u00fadium akustick\u00fdch sign\u00e1lov a ich evol\u00facie sa u\u017e vykon\u00e1va pomerne dlho. Z\u00edskan\u00e9 \u00fadaje z tak\u00fdchto pr\u00e1c prispievaj\u00fa k lep\u0161iemu pochopeniu toho, ako \u013eudia pou\u017e\u00edvaj\u00fa zvuky, a t\u00fdm p\u00e1dom, ako sa formovali r\u00f4zne jazyky v r\u00f4znych regi\u00f3noch plan\u00e9ty. Tieto v\u00fdskumy sa v\u0161ak nezaoberali samotn\u00fdm vznikom akustickej komunik\u00e1cie ako javu. Jednou z fundament\u00e1lnych ot\u00e1zok, na ktor\u00fa zatia\u013e nikto neodpovedal, je \u2014 pre\u010do vznikla akustick\u00e1 komunik\u00e1cia? <\/p>\n

Existuje mnoho ot\u00e1zok, ktor\u00e9 si vy\u017eaduj\u00fa odpovede. Po prv\u00e9, ak\u00e9 ekologick\u00e9 faktory ovplyvnili vznik a formovanie tohoto typu prenosu inform\u00e1ci\u00ed? Po druh\u00e9, bola akustick\u00e1 komunik\u00e1cia spojen\u00e1 s \u0161peci\u00e1ciou, t.j. pom\u00e1ha pri roz\u0161irovan\u00ed druhu a zabra\u0148uje jeho vyhynutiu? Po tretie, je existencia akustickej komunik\u00e1cie evolu\u010dne stabiln\u00e1 po jej v\u00fdvoji? A nakoniec, vyv\u00edjala sa akustick\u00e1 komunik\u00e1cia v r\u00f4znych skupin\u00e1ch zvierat paralelne alebo m\u00e1 spolo\u010dn\u00e9ho predka pre v\u0161etky existuj\u00face druhy?<\/p>\n

Odpovede na tieto ot\u00e1zky s\u00fa pod\u013ea vedcov d\u00f4le\u017eit\u00e9 nielen pre porozumenie akustickej komunik\u00e1cii ako takej, ale aj pre pochopenie evol\u00facie a behavior\u00e1lnych zmien u zvierat. Napr\u00edklad existuje te\u00f3ria, \u017ee prostredie ve\u013emi ovplyv\u0148uje v\u00fdber partnera a komunik\u00e1ciu u niektor\u00fdch druhov zvierat. Aplikovate\u013enos\u0165 tejto te\u00f3rie na formovanie sign\u00e1lov je zatia\u013e \u0165a\u017ek\u00e9 poveda\u0165, ale je to celkom mo\u017en\u00e9. Vedci tie\u017e pripom\u00ednaj\u00fa, \u017ee u\u017e Darwin hovoril o tom, \u017ee pri formovan\u00ed p\u00e1rov u niektor\u00fdch druhov zohr\u00e1va d\u00f4le\u017eit\u00fa \u00falohu pr\u00e1ve akustick\u00e1 signaliz\u00e1cia. T\u00fdm p\u00e1dom akustick\u00e9 sign\u00e1ly vpl\u00fdvaj\u00fa na \u0161peci\u00e1ciu. <\/p>\n

V tejto pr\u00e1ci sa v\u00fdskumn\u00edci rozhodli presk\u00fama\u0165 evol\u00faciu zvukov\u00fdch sign\u00e1lov u \u0161tvonoh\u00fdch, pri\u010dom pou\u017eili fylogenetick\u00fd pr\u00edstup (zistenie vz\u0165ahov medzi r\u00f4znymi druhmi). Hlavn\u00fd d\u00f4raz bol kladen\u00fd na p\u00f4vod akustickej komunik\u00e1cie, nie na jej formy alebo funkcie. V \u0161t\u00fadiu boli pou\u017eit\u00e9 \u00fadaje z 1799 r\u00f4znych druhov, pri\u010dom sa zoh\u013eadnil aj faktor denn\u00e9ho spr\u00e1vania (druhy s dennou a no\u010dnou aktivitou). Okrem toho bolo vykonan\u00e9 presk\u00famanie spojenia medzi akustickou komunik\u00e1ciou a stup\u0148om diverzifik\u00e1cie druhov, t. j. ich roz\u0161\u00edrenia, prostredn\u00edctvom modelu vznikania a vyhynutia druhov. Rovnako bol overen\u00fd fylogenetick\u00fd konzervatizmus pri pr\u00edtomnosti akustickej komunik\u00e1cie medzi druhmi.<\/p>\n

V\u00fdsledky \u0161t\u00fadie<\/h3>\n

\nMedzi \u0161tvonoh\u00fdmi v\u00e4\u010d\u0161ina oboj\u017eiveln\u00edkov, cicavcov, vt\u00e1kov a krokod\u00edlov disponuje akustickou komunik\u00e1ciou, zatia\u013e\u010do v\u00e4\u010d\u0161ina \u0161upinat\u00fdch a korytna\u010diek nie. V triede oboj\u017eiveln\u00edkov nie je tento typ prenosu inform\u00e1ci\u00ed pr\u00edtomn\u00fd u ceceili\u00ed (Cephalina<\/i>), ale je u niektor\u00fdch druhov salamandier a u v\u00e4\u010d\u0161iny \u017eiab (u 39 z 41 sk\u00faman\u00fdch druhov). Rovnako akustick\u00e1 komunik\u00e1cia ch\u00fdba u hadov a u v\u0161etk\u00fdch rod\u00edn ja\u0161ter\u00edc, okrem dvoch \u2014 Gekkonidae<\/i> (gekonovit\u00e9), Phyllodactylidae<\/i>. V triede korytna\u010diek iba 2 z 14 rod\u00edn disponuj\u00fa akustickou komunik\u00e1ciou. Neprekvapuje, \u017ee u 173 sk\u00faman\u00fdch druhov vt\u00e1kov bola akustick\u00e1 komunik\u00e1cia pr\u00edtomn\u00e1 u v\u0161etk\u00fdch. 120 z 125 rod\u00edn cicavcov taktie\u017e preuk\u00e1zalo t\u00fato vlastnos\u0165.<\/p>\n

Zauj\u00edmav\u00fd fakt:<\/b>
\n\"Mu-mu,
\nSalamandry maj\u00fa \u00fa\u017easn\u00fa regener\u00e1ciu a dok\u00e1\u017eu znovu vyr\u00e1s\u0165 nielen chvost, ale aj nohu; salamandry, na rozdiel od mnoh\u00fdch svojich pr\u00edbuzn\u00fdch, neklad\u00fa vaj\u00ed\u010dka, ale s\u00fa \u017eivorod\u00e9; jedna z najv\u00e4\u010d\u0161\u00edch salamandier \u2014 japonsk\u00e1 obrovsk\u00e1 \u2014 v\u00e1\u017ei 35 kg.<\/i><\/p><\/blockquote>\n

Sumiarn\u00ed tieto \u00fadaje, m\u00f4\u017eeme poveda\u0165, \u017ee akustick\u00fd prenos inform\u00e1ci\u00ed je pr\u00edtomn\u00fd u 69% z\u00e1stupcov \u0161tvonoh\u00fdch.<\/p>\n

\"Mu-mu,
\nTabu\u013eka \u010d. 1: percento majite\u013eov akustick\u00e9ho prenosu inform\u00e1ci\u00ed medzi sk\u00faman\u00fdmi druhmi \u0161tvonoh\u00fdch.<\/i><\/p>\n

Po ur\u010den\u00ed pribli\u017en\u00e9ho roz\u0161\u00edrenia akustickej komunik\u00e1cie medzi druhmi bolo potrebn\u00e9 pochopi\u0165 vz\u0165ah medzi touto schopnos\u0165ou a spr\u00e1van\u00edm zvierat (no\u010dn\u00e9 alebo denn\u00fd).<\/p>\n

Medzi viacer\u00fdmi modelmi, ktor\u00e9 popisuj\u00fa tento vz\u0165ah pre ka\u017ed\u00fd druh, bol vybran\u00fd model vhodn\u00fd na priemern\u00e9 zobrazenie vz\u0165ahu akustiky a spr\u00e1vania pre v\u0161etky druhy. Tento model (tabu\u013eka \u010d. 2) ukazuje v\u0161etky mo\u017en\u00e9 v\u00fdhody a nev\u00fdhody z tohto zru\u010dnosti pre obe varianty spr\u00e1vania zviera\u0165a.<\/p>\n

\"Mu-mu,
\nTabu\u013eka \u010d. 2: anal\u00fdza vz\u0165ahu medzi akustickou komunik\u00e1ciou a spr\u00e1van\u00edm zviera\u0165a (denn\u00e9 \/ no\u010dn\u00e9).<\/i><\/p>\n

Bola stanoven\u00e1 zjavn\u00e1 z\u00e1vislos\u0165 akustickej komunik\u00e1cie od spr\u00e1vania, ako aj vyv\u00e1\u017een\u00e1 vz\u00e1jomn\u00e1 z\u00e1vislos\u0165. Zauj\u00edmav\u00e9 je, \u017ee nebola zisten\u00e1 sp\u00e4tn\u00e1 z\u00e1vislos\u0165 \u2014 spr\u00e1vania od akustickej komunik\u00e1cie.<\/p>\n

Filogenetick\u00e1 anal\u00fdza uk\u00e1zala \u00fazke prepojenie akustiky a no\u010dn\u00e9ho sp\u00f4sobu \u017eivota (tabu\u013eka \u010d. 3).<\/p>\n

\"Mu-mu,
\nTabu\u013eka \u010d. 3: filogenetick\u00e1 anal\u00fdza vz\u0165ahu akustickej komunik\u00e1cie a denn\u00e9ho \/ no\u010dn\u00e9ho sp\u00f4sobu \u017eivota. <\/i><\/p>\n

Anal\u00fdza d\u00e1t tie\u017e uk\u00e1zala, \u017ee pr\u00edtomnos\u0165 akustickej komunik\u00e1cie nijako neovplyvnila r\u00fdchlos\u0165 diverzifik\u00e1cie v filogen\u00e9ze \u0161tvorkolk\u00e1rskych. Tak priemern\u00e9 ukazovatele diverzifik\u00e1cie (vytv\u00e1ranie druhov \u2014 vyhynutie; r = 0,08 udalost\u00ed na mili\u00f3n rokov) boli rovnak\u00e9 ako pre l\u00ednie druhov s akustickou komunik\u00e1ciou, tak aj pre l\u00ednie bez tejto zru\u010dnosti. Preto sa d\u00e1 predpoklada\u0165, \u017ee pr\u00edtomnos\u0165\/absencia akustickej komunik\u00e1cie nemala prakticky \u017eiadny vplyv na roz\u0161\u00edrenie dan\u00e9ho druhu alebo na udalosti s\u00favisiace s jeho vznikom \u010di vyhynut\u00edm.<\/p>\n

\"Mu-mu,
\nObr\u00e1zok \u010d. 1: graf v\u00fdvoja akustickej komunik\u00e1cie medzi r\u00f4znymi \u0161tvorkolk\u00e1rmi.<\/i><\/p>\n

Vedci predpokladaj\u00fa, \u017ee akustick\u00e1 komunik\u00e1cia sa pravdepodobne vyv\u00edjala nez\u00e1visle v ka\u017edej hlavnej skupine \u0161tvorkolk\u00e1rskych, ale jej p\u00f4vod bol d\u00e1vny vo viacer\u00fdch hlavn\u00fdch skupin\u00e1ch (~ 100\u2013200 mili\u00f3nov rokov dozadu). <\/p>\n

Napr\u00edklad akustick\u00e1 komunik\u00e1cia sa vyv\u00edjala dos\u0165 skoro vo filogen\u00e9ze radu bezchvost\u00fdch oboj\u017eiveln\u00edkov (Anura<\/i>), ale \u00faplne ch\u00fdba v sestrinskej skupine pre v\u0161etky ostatn\u00e9 s\u00fa\u010dasn\u00e9 \u017eaby z kladov obsahuj\u00facich rodiny Ascaphidae<\/i> (chvostat\u00e9 \u017eaby) a Leiopelmatidae<\/i> (leiopelmy).<\/p>\n

Zauj\u00edmav\u00fd fakt:<\/b>
\n\"Mu-mu,
\nLeiopelmy s\u00fa endemity Nov\u00e9ho Z\u00e9landu a pova\u017euj\u00fa sa za dlhovek\u00e9 medzi \u017eabami \u2014 samce \u017eij\u00fa a\u017e 37 rokov, zatia\u013e \u010do samice a\u017e 35 rokov.<\/i><\/p><\/blockquote>\n

U cicavcov, rovnako ako u \u017eiab, sa akustick\u00e1 komunik\u00e1cia vyvinula pribli\u017ene pred 200 mili\u00f3nmi rokov. Niektor\u00e9 druhy tento zru\u010dnos\u0165 v priebehu evol\u00facie stratili, av\u0161ak drviv\u00e1 v\u00e4\u010d\u0161ina ju zachovala a\u017e dodnes. V\u00fdnimkou s\u00fa vt\u00e1ky, ktor\u00e9, zd\u00e1 sa, s\u00fa jedin\u00ed, kto sa po\u010das celej evol\u00facie nevzdali akustickej komunik\u00e1cie.<\/p>\n

Bolo zisten\u00e9, \u017ee akustick\u00e1 komunik\u00e1cia existovala u najnov\u0161ieho predka s\u00fa\u010dasn\u00fdch vt\u00e1kov, ako aj u najstar\u0161ieho predka s\u00fa\u010dasn\u00fdch krokod\u00edlov. Ka\u017ed\u00e9mu z t\u00fdchto predkov je pribli\u017ene 100 mili\u00f3nov rokov. M\u00f4\u017eeme predpoklada\u0165, \u017ee akustick\u00e1 komunik\u00e1cia bola pr\u00edtomn\u00e1 aj u spolo\u010dn\u00e9ho predka t\u00fdchto dvoch kl\u00e1d, teda e\u0161te pred 250 mili\u00f3nmi rokmi. <\/p>\n

Zauj\u00edmav\u00fd fakt:<\/b>
\n

\r\n \"Prehrajte\r\n
<\/div>\r\n <\/div><\/center>
\nNiektor\u00e9 druhy g\u00e9k\u00f3nov dok\u00e1\u017eu vyd\u00e1va\u0165 najneo\u010dak\u00e1vanej\u0161ie zvuky pre ja\u0161tericu \u2014 \u0161tekanie, cvakanie, \u0161tebotanie a podobne.<\/i> <\/p><\/blockquote>\n

U \u0161upinat\u00fdch sa akustick\u00e1 komunik\u00e1cia vyskytuje pomerne zriedka, \u010do m\u00f4\u017ee s\u00favisie\u0165 s jej vznikom v\u00fdhradne u no\u010dn\u00fdch \u017eivo\u010d\u00edchov, ako s\u00fa g\u00e9k\u00f3ny (Gekkota). Relat\u00edvne ned\u00e1vne evolu\u010dn\u00e9 zmeny viedli k vzniku akustickej komunik\u00e1cie u niektor\u00fdch fylogeneticky izolovan\u00fdch druhov mlokov a korytna\u010diek.<\/p>\n

Pre podrobnej\u0161ie obozn\u00e1menie sa s nuansami v\u00fdskumu odpor\u00fa\u010dam nahliadnu\u0165 do spr\u00e1vy vedcov<\/a><\/noindex> a \u010fal\u0161ie materi\u00e1ly<\/a><\/noindex> k nej.<\/p>\n

Epilog<\/h3>\n

\nS\u00fahrnne m\u00f4\u017eeme s prakticky \u00faplnou istotou tvrdi\u0165, \u017ee v\u00fdvoj akustickej komunik\u00e1cie s\u00favis\u00ed s no\u010dn\u00fdm sp\u00f4sobom \u017eivota. To potvrdzuje te\u00f3riu o vplyve ekol\u00f3gie (prostredia) na evolu\u010dn\u00e9 charakteristiky druhu. Napriek tomu akustick\u00e1 komunik\u00e1cia m\u00e1 v skuto\u010dnosti minim\u00e1lny vplyv na diverzifik\u00e1ciu druhu v dlhodobom \u010dasovom horizonte.<\/p>\n

Taktie\u017e v\u00fdskumn\u00edci zistili, \u017ee zvukov\u00e1 komunik\u00e1cia sa objavila pred pribli\u017ene 100-200 mili\u00f3nmi rokmi a niektor\u00e9 druhy \u0161tvorkolov\u00fdch prenechali t\u00fato schopnos\u0165 po\u010das cel\u00e9ho tohto \u010dasu prakticky bez ak\u00fdchko\u013evek zmien.<\/p>\n

Je potrebn\u00e9 zd\u00f4razni\u0165, \u017ee existenciu akustickej komunik\u00e1cie pre no\u010dn\u00e9 \u017eivo\u010d\u00edchy, aj ke\u010f je to zjavn\u00fd pr\u00ednos, nem\u00e1 negat\u00edvny vplyv pri prechode na denn\u00fd sp\u00f4sob \u017eivota. Tento jednoduch\u00fd fakt potvrdzuje, \u017ee mnoh\u00e9 predt\u00fdm no\u010dn\u00e9 druhy, ktor\u00e9 pre\u0161li na denn\u00fd re\u017eim, neztratili t\u00fato schopnos\u0165.<\/p>\n

Komunik\u00e1cia prostredn\u00edctvom zvukov pod\u013ea tohto v\u00fdskumu sa d\u00e1 nazva\u0165 najst\u00e1lej\u0161ou evolu\u010dnou \u010drtou. Ke\u010f sa t\u00e1to schopnos\u0165 objavila, prakticky nikdy nezmizla v priebehu evol\u00facie, \u010do sa ned\u00e1 poveda\u0165 o in\u00fdch typoch prenosu sign\u00e1lov, ako s\u00fa jasn\u00e9 farby alebo nezvy\u010dajn\u00e9 tvary tela, operenie alebo srs\u0165. <\/p>\n

Pod\u013ea vedcov sa ich anal\u00fdza spojenia akustickej komunik\u00e1cie a prostredia m\u00f4\u017ee aplikova\u0165 aj na in\u00e9 evolu\u010dn\u00e9 znaky. Predt\u00fdm sa predpokladalo, \u017ee vplyv ekol\u00f3gie na met\u00f3dy prenosu sign\u00e1lov je obmedzen\u00fd na rozdiely medzi bl\u00edzko pr\u00edbuzn\u00fdmi druhmi. Av\u0161ak na z\u00e1klade vy\u0161\u0161ie uveden\u00e9ho diela m\u00f4\u017eeme s istotou poveda\u0165, \u017ee z\u00e1kladn\u00e9 typy prenosu sign\u00e1lov sa tie\u017e menia v s\u00falade so zmenami v prostred\u00ed \u017eivo\u010d\u00edcha. <\/p>\n

Petkov offtop:<\/b>

\r\n \"Prehrajte\r\n
<\/div>\r\n <\/div><\/center>
\nSkvel\u00e1 uk\u00e1\u017eka neuverite\u013enej rozmanitosti zvukov, ktor\u00e9 vyd\u00e1vaj\u00fa r\u00f4zne druhy vt\u00e1kov.<\/i><\/p>\n

Off-topic 2.0:<\/b>

\r\n \"Prehrajte\r\n
<\/div>\r\n <\/div><\/center>
\nNiekedy zvierat\u00e1 vyd\u00e1vaj\u00fa ve\u013emi nezvy\u010dajn\u00e9 a z\u00e1bavn\u00e9 zvuky.<\/i><\/p>\n

\n\u010eakujem za pozornos\u0165, zosta\u0148te zvedav\u00ed a prajem v\u0161etk\u00fdm skvel\u00fd v\u00edkend, kamar\u00e1ti! \ud83d\ude42<\/p>\n

Trochu reklamy \ud83d\ude42<\/h3>\n

\n\u010eakujeme, \u017ee ost\u00e1vate s nami. P\u00e1\u010dia sa v\u00e1m na\u0161e \u010dl\u00e1nky? Chcete vidie\u0165 viac zauj\u00edmav\u00fdch materi\u00e1lov? Podporte n\u00e1s, vytvoren\u00edm objedn\u00e1vky alebo odpor\u00fa\u010dan\u00edm zn\u00e1mym, cloud VPS pre v\u00fdvoj\u00e1rov od 4,99 dol\u00e1rov<\/a><\/noindex>, unik\u00e1tny ekvivalent entry-level serverov, ktor\u00fd sme pre v\u00e1s vytvorili:<\/b> Cel\u00e1 pravda o VPS (KVM) E5-2697 v3 (6 jadier) 10GB DDR4 480GB SSD 1Gbps od 19 dol\u00e1rov alebo ako spr\u00e1vne rozdeli\u0165 server?<\/a><\/noindex> (k dispoz\u00edcii varianty s RAID1 a RAID10, a\u017e 24 jadier a a\u017e 40GB DDR4).<\/p>\n

Dell R730xd je dvakr\u00e1t lacnej\u0161\u00ed v d\u00e1tovom centre Equinix Tier IV v Amsterdame?<\/b> Len u n\u00e1s 2 x Intel TetraDeca-Core Xeon 2x E5-2697v3 2.6GHz 14C 64GB DDR4 4x960GB SSD 1Gbps 100 TB od 199 dol\u00e1rov<\/a><\/noindex> v Holandsku! Dell R420 \u2014 2x E5-2430 2.2Ghz 6C 128GB DDR3 2x960GB SSD 1Gbps 100TB \u2014 od 99 dol\u00e1rov!<\/b><\/b> Pre\u010d\u00edtajte si o tom Ako vybudova\u0165 infra\u0161trukt\u00faru korpor\u00e1tneho typu s pou\u017eit\u00edm serverov Dell R730xd E5-2650 v4 s cenou 9000 eur za zlomok ceny?<\/a><\/noindex>
\n
Zdroj: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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