Wednesday, January 25, 2023

Dr. A.P.J. Abdul Kalam University BE VIII SEM (CS) Wireless Network Web & Ontologies (CS8303T) June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Eighth Semester Main Examination, June-2021

Wireless Network Web & Ontologies (CS8303T)

Branch-CS Regular

Time: 3:00 Hrs Max Marks 70

Note: Attempt any five questions out of eight.

All questions carry equal marks.

Q.1 (a) What do you mean by Wireless Networks? Explain different generations of Wireless Networks.

(b) Discuss the principle of Radio Propagation Mechanism.

Q.2 (a) Discuss about the effects of Multipath and Doppler.

(b) Discuss about Wireless Network Topologies.

Q.3 (a) Discuss about the path loss modeling and Signal coverage.

(b) What are the advantages and disadvantages of CDMA cellular network?

Q.4 (a) Discuss the principle of GPRS.

(b) Discuss the technologies used for Home Area Network (HAN).

Q.5 (a) What do you understand by Wireless LAN? Write down some important requirements for wireless LANs.

(b) What is Amplitude modulation?

Q.6 (a) Explain GSM architecture with neat diagram.

(b) Compare SDMA, TDMA, FDMA and CDMA in terms of Transmission Technique, signal separation, advantages, disadvantages and applications.

Q.7 (a) Explain the protocol architecture of Bluetooth.

(b) Explain the layered protocol architecture of 802.11 standard.

Q.8 (a) What do you mean by 2.5G and 3G?

(b) What is Ad-hoc Network? What are the challenging issues in Ad-hoc network maintenance?

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