Unit Test 1
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Unit Test 2
Found These Resources after a little research. I recommend using these for studying.
Last Week Prep
DIGITAL COMMUNICATIONS AND NETWORKING – FINAL THEORY EXAM ROADMAP
Duration: 5 Days
Objective: Complete, deep theoretical understanding and retention of Units III & IV.
Approach: Topic-focused study blocks, with layered reinforcement through books, lectures, diagrams, and active recall. No distractions. No fluff. Only execution.
DAY 1
Topics to Study:
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Types of Errors: Single-bit, burst errors
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Forward Error Correction vs Retransmission (ARQ)
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Framing: Fixed-size vs Variable-size
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OSI Model Architecture and Encapsulation
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OSI Layer Functions: Physical to Application Layer
Tasks:
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Write concise notes on OSI functions with responsibilities and examples
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Draw OSI architecture + encapsulation diagram
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List all types of framing with real-world analogies
DAY 2 – ERROR DETECTION AND CORRECTION
Topics to Study:
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Error Detection: Repetition codes, Parity bits, Checksums, CRC
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Error Correction: ARQ protocols, Hamming Code (7,4)
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TCP/IP Model: Layers and their core functions
Tasks:
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Write side-by-side table: Detection vs Correction (Strengths, Use-cases)
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Solve Hamming Code examples (single-bit error correction)
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Prepare a simplified version of TCP/IP model with function mapping
DAY 3 – PROTOCOLS AND WIRELESS NETWORKING
Topics to Study:
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Protocols: SLIP, PPP, IP, ARP, RARP, ICMP, TCP, UDP, FTP, HTTP, SMTP, TELNET, BOOTP, DHCP
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Wireless LAN (IEEE 802.11): Architecture, Features, Standards (a, b, g, n, p)
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Bluetooth: Architecture, Piconet, Scatternet
Tasks:
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Create a protocol comparison table (Layer, Protocol, Purpose, Features)
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Diagram: 802.11 architecture and version evolution
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Diagram: Bluetooth Piconet vs Scatternet
DAY 4 – IP ADDRESSING AND MOBILE GENERATIONS
Topics to Study:
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Addressing Types: Physical, Logical, Port
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IPv4: Concepts, Notation, Classful vs Classless, Subnetting, Supernetting
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IPv6: Basic structure, format
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Mobile Communication: 3G, 4G, 5G
Tasks:
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Write subnetting and supernetting rules, solve examples by hand
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Diagram IPv4 and IPv6 format fields
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Timeline comparison of mobile generations (features, tech used)
DAY 5 – FINAL RECALL AND EXECUTION
Tasks:
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Revise all handwritten diagrams: OSI, TCP/IP, IPv4/IPv6, Framing types, Hamming Code
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Revisit all flashcards and memory hooks (especially protocols and layers)
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Solve past exam questions with full-length descriptive answers
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List your three weakest areas. Re-study them in focused 1-hour blocks.
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Simulate a 2-hour writing session: Write answers for 3–5 long questions
Execution Rules:
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No passive reading. Write, speak, draw.
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No skipping diagrams. Redraw from memory.
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No second-guessing. If you hesitate, revise again.
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Prioritize depth over speed. Your goal is complete recall under pressure.
Recommended Resources
- Computer Networks by Andrew.S.Tanenbaum (Use AdBlocker)
- NPTEL