From sentto-2556519-9-976962598-roland=centrum.sk@returns.onelist.com Sat Dec 16 11:29:03 2000 Received: from ci.egroups.com ([64.211.240.235]:62756 "HELO ci.egroups.com") by mail.centrum.sk with SMTP id ; Sat, 16 Dec 2000 11:28:52 +0100 X-eGroups-Return: sentto-2556519-9-976962598-roland=centrum.sk@returns.onelist.com Received: from [10.1.4.55] by ci.egroups.com with NNFMP; 16 Dec 2000 10:30:02 -0000 X-Sender: jajko@pobox.sk X-Apparently-To: ktl_info@egroups.com Received: (EGP: mail-6_3_1_3); 16 Dec 2000 10:29:57 -0000 Received: (qmail 52917 invoked from network); 16 Dec 2000 10:29:57 -0000 Received: from unknown (10.1.10.27) by l9.egroups.com with QMQP; 16 Dec 2000 10:29:57 -0000 Received: from unknown (HELO www4.pobox.sk) (212.5.216.14) by mta2 with SMTP; 16 Dec 2000 10:29:57 -0000 Received: from www4.pobox.sk (www4.pobox.sk [212.5.216.14]) by www4.pobox.sk (POBOX server v.III/1.2) with SMTP id LAA27987 for ; Sat, 16 Dec 2000 11:28:53 +0100 Message-Id: <200012161028.LAA27987@www4.pobox.sk> To: ktl_info@egroups.com X-Pobox-Id: 2710768835 X-User-Agent: Mozilla/4.0 (compatible; MSIE 5.0; Windows 95; DigExt) WebWasher 2.2.1 X-Mailer: POBOX (mico's engine 5.0/3.0.1) From: Karel Ruzicka MIME-Version: 1.0 Mailing-List: list ktl_info@egroups.com; contact ktl_info-owner@egroups.com Delivered-To: mailing list ktl_info@egroups.com Precedence: bulk List-Unsubscribe: Date: Sat, 16 Dec 2000 11:28:53 +0100 Reply-To: ktl_info@egroups.com Subject: [ktl_info] dalsie otazky Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 7bit Return-Path: X-Orcpt: rfc822;roland@centrum.sk > > 2. Ako sa odlisuje na fyzickej urovni Fast Ethernet pri prenose po > > kabloch UTP cat.3 a UTP cat.5 ? > > > > a. UTP cat.5 pouziva kodovanie 4B5B a UTP cat.3 kodovanie 8B6T > > b. Fast Ethernet nemozno pouzit na kabloch UTP cat.3 > > c. nie je v nich rozdiel > > d. pri UTP cat.3 sa musi tok rozdelovat do dalsich dvoch parov (zo > > styroch) t.j. dva pary su trvale pridelene pre jednotlive smery, > > dalsie dva pary sa zdielaju, zatial co pri UTP cat.5 to nie je > > potrebne, pretoze tie maju dostatocne siroke prenosove pasmo > > a jednotlive smery idu kazdy po dvoch paroch > > > > spravne : a > > > > > > 4. Na com je zalozeny princip technologie Distributed Queue Dual Bus ? > > > > a. "kto prv pride, ten prv melie", teda kto si prvy obsadi > > zbernicu, ten ju pouziva > > b. vsetky stanice su "slusne" a prenechavaju zbernicu aj inym > > c. po zbernici sa pohybuju viacere tokeny (z toho distributed) > > d. na zbernici existuju monitor, ktory si vytvara dve fronty > > poziadaviek o zbernici a striedavo urcuje z front stanicu, > > ktora moze hovorit (z toho queue dual) > > > > spravne : b > > > > > > 2. co spravi router fungujuci podla RIP protokolu, ked sa v jeho > > smerovacej tabulke nenachadza IP adresa prijemcu paketu ? > > > > a) paket zahodi a upovedomi odosielatela > > b) do paketu namiesto IP adresy prijemcu ulozi adresu 0.0.0.0 > > c) vypyta si od susedov smerovacie tabulky a podla toho rozhodne > > d) vo svojej smerovacej tabulke najde zaznam s adresou 0.0.0.0 a > > odosle paket na router oznaceny podla tejto adresy > > > > spravne : d > > > > 3. transakcia v SMTP je : > > > > a) komunikacia rovny s rovnym > > b) komunikacia klient - server vylucne jednosmerna > > c) komunikacia klient - server jednosmerna s moznostou vymeny > > uloh > > prikazom TURN > > d) zalezi od implementacie > > > > spravne : c > > > > 5. SMTP model prenosu posty ma : > > > > a) 8 bitovy prenosovy kanal > > b) 8 bitovy prenosovy kanal s tym, ze najvyznamnejsi bit je pred > > prenosom nastaveny na nulu > > c) 7 bitovy prenosovy kanal > > d) 7 bitovy prenosovy kanal s tym, ze 8.bit sa nemusi, ale moze > > pocas prenosu na niektorom systeme nastavit na nulu > > > > spravne : b > > > > 6. RFC822 definuje pouzitie hlaviciek sprav (From:, To:, Date:, ...) > > v SMTP. Tieto hlavicky: > > > > a) su nutne na uspesny prenos mailu k prijimatelovi > > b) su nutne len niektore z definovanych > > c) nie su nutne na uspesny prenos mailu k prijimatelovi > > d) su nutne len v urcitych situaciach - napr. odpovedanie > > ("reply") na mail > > > > spravne : c > > > > pretoze hlavicka sa nachadza az v tele mailu (t.j. medzi prikazmi > > DATA a QUIT - t.j. From:, To:, Date:, ...) a odosielatela > > identifikujem prikazom MAIL (teda jeho domenu) a prijemcu > > prikazom RCPT, hlavicku na uspesny prenos mailu k prijemcovi > > vyplnat nemusim > > > > ako coho rozlisim, ci polozka ramca TYP/DLZKA obsahuje typ > > alebo dlzku ramca ? > > > > a) podla konfiguracie hardveru - sietovej karty > > b) podla nastavenia softveru - ovladaca karty > > c) podla samotnej hodnoty tejto polozky > > d) podla polozky DATA v konkretnom ramci > > > > spravne : c > > > > > > ____________________________________ P. S. V. P. U. http://www.pobox.sk/ -------------------------- eGroups Sponsor -------------------------~-~> eGroups eLerts It's Easy. It's Fun. Best of All, it's Free! http://click.egroups.com/1/9698/0/_/_/_/976962598/ ---------------------------------------------------------------------_-> To unsubscribe from this group, send an email to: ktl_info-unsubscribe@egroups.com