R23
IT · 3-1
✓ VERIFIED VS. PUBLISHED SYLLABUS 2026-07-11
Computer Networks
JNTUK R23 · IT · semester 3-1 · syllabus
This JNTUK R23 professional core course is listed for Information Technology (IT). It is listed in semester 3-1. It carries 3 credits. The published coverage runs across 5 units, from Introduction and Physical Layer through Transport and Application Layer.
Verified vs. published syllabus
Checked 11 Jul 2026
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Published evidence
✓ Verified
Checked 11 Jul 2026
Record 5 published units
Verification scope Subject name, credits, and unit-wise syllabus are sourced directly from JNTUK's official R23 course structure and syllabus document.
5 units, from Introduction and Physical Layer to Transport and Application Layer. Tick off units as you cover them — your progress stays on this device.
Unit-wise syllabus
0 / 5 COVERED
UNIT 01 — Introduction and Physical Layer
Network Types: LAN, MAN, WAN; Network Topologies · Reference models: the OSI Reference Model, the TCP/IP Reference Model, comparison of OSI and TCP/IP Reference Models, OSI vs TCP/IP · Physical Layer: guided media (twisted-pair cable, coaxial cable and fiber optic cable) · Introduction to unguided media
UNIT 02 — Data Link Layer
Design issues; Framing: fixed size framing, variable size framing; flow control; error control; error detection and correction codes, CRC, Checksum (idea, one's complement internet checksum) · Services provided to Network Layer; Elementary Data Link Layer protocols: simplex protocol, simplex stop and wait, simplex protocol for noisy channel · Sliding window protocol: one bit, Go-Back-N, selective repeat, stop and wait protocol · Data link layer in HDLC, Point to Point Protocol (PPP)
UNIT 03 — Media Access Control
Random Access: ALOHA, CSMA, CSMA with Collision Detection, CSMA with Collision Avoidance · Controlled Access: Reservation, Polling, Token Passing; Channelization: FDMA, TDMA, CDMA · Wired LANs: Ethernet, Ethernet Protocol, Standard Ethernet, Fast Ethernet (100 Mbps), Gigabit Ethernet, 10 Gigabit Ethernet
UNIT 04 — Network Layer and Internetworking
The Network Layer Design Issues: Store and Forward Packet Switching, Services provided to the Transport layer, Implementation of Connectionless Service, Implementation of Connection Oriented Service, Comparison of Virtual Circuit and Datagram Networks · Routing Algorithms: the Optimality principle, Shortest path, Flooding, Distance vector, Link state, Hierarchical · Congestion Control algorithms: general principles of congestion control, congestion prevention policies, approaches to congestion control (traffic aware routing, admission control, traffic throttling, load shedding); Traffic Control Algorithm: leaky bucket & token bucket · Internet Working: how networks differ, how networks can be connected, tunnelling, internetwork routing, fragmentation, network layer in the internet; IP protocols: IP Version 4, IPv4 header format, IP addresses, classful addressing, CIDR, subnets; IP Version 6: the main IPv6 header, transition from IPv4 to IPv6, comparison of IPv4 & IPv6
UNIT 05 — Transport and Application Layer
Transport layer protocols: services, port number, User Datagram Protocol, UDP services, UDP applications · Transmission Control Protocol: TCP services, TCP features, Segment, a TCP connection, windows in TCP, flow control, error control, congestion control in TCP · Application Layer: World Wide Web (HTTP), Electronic mail: architecture, web-based mail, email security · TELNET: local versus remote logging, Domain Name System