Telekommunikatsiya tarmoqlariga texnik xizmat
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1. Telekommunikatsiya tarmoqlarini loyihalashtirish uchun qanday loyihalashtirish xujjatlar tarkibi kerak? 2. Paketli tarmoqlarda multimedia li axborotlarni yetkazishni qanday asosiy sifat ko‘rsatkichlari bor? 3. Multimedia li tarmoqni loyihalashtirish nechta bosqichdan iborat? 4. Loyihalashtirilayotgan tarmoq uzellariga xizmat ko‘rsatish uchun zarur bo‘lgan yuklamani baholash uchun qanday ma’lumotlar kerak bo‘ladi? 5. Transport tarmoqni loyihalashtirishni tushuntiring. 6. Transport tarmog‘i yadrosi sathini vazifasi nimadan iborat? 7. Multimedia li tarmoqni loyihalashtirishning 2-bosqichida qanday ishlar amalga oshiriladi? 8. Multimedia li tarmoqni loyihalashtirishning 3-bosqichida qanday ishlar amalga oshiriladi? 9. Softswitch nima? 10. Ulanish tarmog‘ini loyihalashtirish bosqichlarini tushuntiring. 407 QISQARTMALAR RO‘YXATI ADM - add/drop multiplexer - kiritish/chiqarish multipleksori ADSL - Asymmetric Digital Subscriber Line - Assimmetrik raqamli abonent liniyasi ANSI - American National Standards Institute - Amerika xalqaro standartlashtirish instituti ATM - Asynchronous Transfer Mode - Asinxron uzatish rejimi ARQ - Automatic repeat request - Paketlarni uzatishda avtomatik takrorlash BER - Bit Error Rate - Xatoliklarni yuzaga kelishi CDM A - Code-Division Multiple Access - Kanallari kod bo‘yicha ajratilgan ko‘p marotaba ulanish DoS - Differentiated optical Services - Differensial optik xizmatlar DOD - Department of Defense - Axborotni himoyalash tashkiloti DNS - Domain Name System - Domen nomlar tizimi ETSI - European Telecommunication Standards Institute - Evropa Telekommunikatsiya standartlashtirish instituti FDL - Fiber Delay Line - Ma’lum bir vaqt oralig‘ida optik signalni ushlab turush uchun qo‘llaniladigan uzun tolali-optik liniya FTP - File Transfer Protocol - Fayllarni qayta uzatish protokoli GII - Global Information Infrastructure - Global axborot infratuzilmasi GSM - Global System For Mobile - Mobil aloqaning xalqaro standarti HTTP - Hyper Text Transfer Protocol - Gipermatnni uzatish protokoli HTM L - Hyper Text Markup Lahguage - Gipermatn tili IEEE - Institute of Electrical and Electronics Engineers - Elektrotexnika va elektronika sohasidagi injinerlar instituti IETF - Internet Engineering Task Force - Internet muammolari bo‘yicha shug‘ullanadigan injinerlar guruhi IEC - International Electrotechnical - Xalqaro Elektrotexnik Komissiyasi 408 Commission IP - Internet protocol - Internet protokol IPv4 - Internet protocol Version 4 - Internet protokolning 4-versiyasi IPv6 - Internet protocol Version 6 - Internet protokolning 6-versiyasi ISDN - Integrated Services Digital Network - Integral xizmatli raqamli tarmoq ISO - International Organization for Standardization - Xalqaro standartlashtirish tashkiloti ITU-T - International Telecommunication Union - Telekommunikatsiya sohasidagi Xalqaro Telekommunikatsiya ittifoqining standartlashtirish sektori ITU-R - International Telecommunication Union- Radio Sector - Xalqaro Telekommunikatsiya ittifoqining radioaloqa sektori IMS - IP Multimedia Subsystem - IP multimedia tizimosti LAN - Local Area Network - Lokal tarmoq LLC - Logical Link Control - Logik kanal bilan boshqarish MAN - Metropolitan Area Network - Umumshahar tarmog‘i MAC - Media Access Control - Muhitga ulanish bilan boshqarish MPLS - Multiprotocol Label Switching - Belgilar bo‘yicha ko‘p protokolli kommutatsiyalash MGC F - Media gateway controller function - Transport shlyuzini boshqaruvchi vosita NGN - Next Generation Network - Keyingi avlod tarmog‘i NP - Network Performance - Tarmoq xarakteristikasi NMS - Network Management System - Tarmoqni boshqarish tizimi OBS - Optical Burst Switching - Bloklarni optik kommutatsiyalash OSI - Open System Interconnection - Ko‘p sathli ochiq tizim OSSF - Operation Support Sustem Functions - Operatsiyalarni ta’minlash tizimining vazifalari OPS - Optical Packet Switching - Paketlarni optik kommutatsiyalash PON - Passive Optical Network - Passiv optik tarmoq QoS - Quality of Service - Xizmat ko‘rsatish sifati RIP - Routing Information - Ma’lumotni marshrutizatsiyalash 409 Protocol protokoli RTCP - Real-time Transport Control Protocol - Real vaqtdagi transport nazorat protokoli RTP - Real-time Transport Protocol - Real vaqtdagi transport protokoli SCS - Structured Cabling System - Strukturalashgan kabelli tizimlar SDH - Synchronous Digital Hierarchy - Sinxron raqamli ierarxiya STM - Synchronous Transport Module - Sinxron transport moduli SMTP - Simple Transfer Protocol - Pochta xabarlarini yetkazish protokoli STP - Shielded Twisted Pair - Ekranlashgan juftik SLA - Service Level Agreements - Xizmat ko‘rsatish sathi haqida kelishuv TCP - Transmission Control Protocol - Uzatishni boshqaruvchi transport protokol TMN -Telecommunications Management Network - Telekommunikatsiya tarmog‘ini boshqarish TOS - Type of Service - Xizmat ko‘rsatish turi UDP - User Datagram Protocol - Foydalanuvchi datagrammasi protokoli UTP - Unshielded Twisted Pair - Ekranlashtirilmagan juftlik kabel VoIP - Voice over Internet Protocol - IP tarmoq bo‘ylab so‘zlashuv trafigini uzatish texnologiyasi VoD - Video on Demand - Talab bo‘yicha video VPN - Virtual Private Network - Virtual shaxsiy tarmoq WDM -Wavelength Division Multiplexing - To‘lqin uzunligi bo‘yicha multipleksorlash WW W - World Wide Web - Butun dunyo to‘ri Download 6.66 Mb. 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