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Question 1 A) Explain briefly the advantages wireless communication systems B) What is a cellular network?
Question 2 Explain fundamental architecture of a cellular network
Question 3 Briefly describe the functions of BTS and BSC in a GSM Architecture
Question 4 Draw the layered architecture of the GSM protocol stack
Question 5 Explain any three most important GSM identifiers
Question 6 A) briefly explain about goals of the mobile initialization procedure
Question 7 What is speech coding? Explain briefly
Question 8 Define following
Question 9 Explain Time and Space diversity Techniques
Question 10 Explain OSI reference layer model for 802.11 standards
Explain teh term- Bits and Bitmap Many tiny dots, which are put together to make a picture. Bits are combined to make a graphic image called a bitmap. GIF and JPEG files are
Monitor Stations Lost tokens - timer is issued each time a frame or token is generated If no frame is received in time period new token is generated by a monitor stat
Computer Networking 1. Explain different network structures in use. 2. Elaborate the architecture and usage of ISDN. 3. Discuss the concept of framing in Data Link Layer
What is the different type of networking / internetworking devices? 1. Repeater: Also known as a regenerator, it is an electronic device that operates only at physical layer.
Ethernet Frame Fields Preamble - seven bytes of alternating 0s also 1s to notify receiver of incoming frame and to provide synchronization SFD (Start frame delimiter)
100Base-TX Uses two category 5 UTP cable pairs or else two STP cable pairs to connect stations to a hub (star) One pair holds frames from station to hub one pair from
Can you define the method of demilitarized zone?
Q. What do you mean by Modems? Telephone Modems - A telephone line has a bandwidth of approximately 2400 Hz for data transmission
Source to Destination Data Transfer - Datagram approach - Each packet is treated independently. - Every pkt will take its own path to reach the destination. - There i
What is Star topology Each station is directly connected to a common central node. Typically, each station attaches to a central node via two point-to-point links, one for tran
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