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problem 1:

a)  In brief describe each of the given wireless standards:

•    WiFi
•    WiMAX
•    3G

b) Bluetooth is an industrial specification for the wireless personal area networks. Bluetooth gives a manner to join and exchange information between devices such personal digital assistants (PDAs), mobile phones and laptops through a secure, globally unlicensed short range radio frequency. The future version of Bluetooth code-named, Lisbon, would give enhanced security and usability features.

In brief describe each of the given features of Lisbon:

•    Atomic Encryption Change.
•    Extended Inquiry Response.
•    Sniff Subrating.
•    Qos.
•    Simple Pairing.

problem 2:

a) State the given terms with reference to the mobile phones:

•    3G phones
•    Handset
•    Satellite Phone
•    Hands-free kit 
•    Wireless Phone.

b) Describe on Mobile Marketing and the manners in which it is being exploited.

c) Describe what you understand by the given signal strength 40 dBµ or 100 µV/m².

d) In brief describe the Universal Mobile Telecommunications System (UMTS).

problem 3:

a) Short Message Service (SMS) is a service accessible on most mobile phones which permits the sending of short messages between mobile phones and other handheld devices and even the landline telephones.

In brief describe why an SMS is limited to 160 characters.

b) Multimedia Messaging Service (MMS) is a standard for telephony messaging systems which permit sending messages which comprises multimedia objects (images, audio, video, rich text) and not just text messages as in Short message service.

In brief describe the two modes of delivery in MMS.

c)  prepare down the fundamental steps which must be taken to secure the WiFi network.

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M95835

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