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Computer Network

by Mohit Kaushik
Type: NoteInstitute: MAHARASHI DAYANAND ROHTAK Downloads: 185Views: 2729Uploaded: 5 months agoAdd to Favourite

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Mohit Kaushik
Mohit Kaushik
M.SC COMPUTER SCIENCE COMPUTER NETWORKS M.SC 2ND SEMESTER Lucky Shah htttp://luckyshah.website2.me
M.SC 2ND SEMESTER COMPUTER NETWORKS INDEX Units: Page No. Unit -1…………………………………………………………………………………………………………………… 4 - 93 Unit -2……………………………………………………………………………………………………………………… 93 - 149 Unit -3……………………………………………………………………………………………………………………… 149 - 254 Unit -4……………………………………………………………………………………………………………………… 254 - 388 These are totally according to the syllabus of M.D. U M.SC Computer Science 2nd Semester 1
M.SC 2ND SEMESTER COMPUTER NETWORKS COMPUTER NETWORKS PAPER CODE: M.Sc.-204 External: 80 Time: 3Hrs Internal: 20 Note: Examiner will be required to set NINE questions in all. Question Number 1 will consist of total 8 parts (short-answer type questions) covering the entire syllabus and will carry 16 marks. In addition to the compulsory question there will be four units i.e. Unit-I to Unit-IV. Examiner will set two questions from each Unit of the syllabus and each question will carry 16 marks. Student will be required to attempt FIVE questions in all. Question Number 1 will be compulsory. In addition to compulsory question, student will have to attempt four more questions selecting one question from each unit. UNIT-I Introduction to Computer Network: Types of Networks, Network Topologies, OSI and TCP/IP Reference Models; Comparison of Models. Data Communications Concepts: Digital Vs. Analog communication; Parallel and Serial Communication; Synchronous, Asynchronous and Isochronous Communication; Communication modes: simplex, half duplex, full duplex; Multiplexing; Transmission media: Wired-Twisted pair, Coaxial cable, Optical Fiber, Wireless transmission: Terrestrial, Microwave, Satellite, Infra red. UNIT-II Communication Switching Techniques: Circuit Switching, Message Switching, Packet Switching. Data Link Layer Fundamentals: Framing, Basics of Error Detection, Forward Error Correction, Cyclic Redundancy Check codes for Error Detection , Flow Control. Media Access Protocols: ALOHA, Carrier Sense Multiple Access (CSMA), CSMA with Collision Detection (CSMA/CD), Token Ring, Token Bus. UNIT-III 2
M.SC 2ND SEMESTER COMPUTER NETWORKS High-Speed LAN: Standard Ethernet, Fast Ethernet, Gigabit Ethernet, 10G; Wireless LANs: IEEE 802.11, Bluetooth. Network Layer: IP Addressing and Routing, Network Layer Protocols: IPv4 (Header Format and Services), ARP, ICMP (Error Reporting and Query message); IPv6 (Header Format and Addressing). UNIT-IV Transport Layer: Process-to-Process Delivery: UDP, TCP; Connection Management by TCP; Basics of Congestion Control. Application Layer: Domain Name System (DNS); SMTP; HTTP; WWW. Network Security: Security Requirements and attacks; Cryptography: Symmetric Key (DES, AES), Public Key Cryptography (RSA); Firewall. Created By: Lucky Shah 3

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