mobile computing 2003.pdf

Q5) a) Write a detail note on WAP. [8]b) Explain all the entities used in GPRS architecture. [8]ORQ6) a) Differentiate CDMA and GSM. [8]b) Explain both the spread spectrum technologies. [8]SECTION - IIQ7) a) What are the advantages and limitations of WLAN? [8]b) Explain the 802.11 architecture. [8]ORQ8) a) Explain SS#7 protocol stack. [8]b) What are the important differences between a desktop computer and aportable handheld device like a PDA? [8]Q9) a) Write a detail note on three prong approach used in Java. [8]b) Describe the Palm OS architecture. [8]ORQ10)a) What is CDC and CDLC in J2ME? [8]b) Explain the functions of various layers in Symbian OS architecture. [8]Q11)Write short notes on: [18]a) Any two real time protocols.b) Windows CE architecture.c) Comparison between SIP and H.323.ORQ12)Write short notes on: [18]a) Various components of Information security.b) Symmetric and asymmetric key cryptography.c) Various attacks on static assets.E E E[3964]-385 2