Osi modelida nechta tarmoq satxi bor ?

62. WiMAX tarmoq arxitekturasi nechta tashkil etuvchidan iborat?

5

6

4

3

63. WiMAX tarmoq arxitekturasi qaysi tashkil etuvchidan iborat?

Base station, Subscriber station, Mobile station, Relay station, Operator network

Operator network, Base station, Subscriber station

Base station, Subscriber station, Mobile station, Relay station

Operator network, Base station

64. GSM raqamli mobil telefonlarining nechanchi avlodi uchun ishlab chiqilgan protokol?

Ikkinchi avlodi

Uchinchi avlodi

To’rtinchi avlodi

Beshinchi avlodi

65. GSM standarti qaysi tashkilot tomonidan ishlab chiqilgan?

European telecommunications standards institute

Open system authentication institute

Shared key authentication institute

Interoperability for Microwave access company

66. .... – o’zida IMSI raqamini, autentifikatsiyalash kaliti, foydalanuvchi ma’lumoti va xavfsizlik algoritmlarini saqlaydi.

Sim karta

Token

Smart karta

Elektron raqamli imzo