Equip your students for success in the data and networking exam modules with this comprehensive, classroom-ready exam practice workbook. This booklet targets the fundamentals of data structures, encryption algorithms, data transmission, and modern web architectures. It features an integrated Teacher Tracking Cover Page to seamlessly monitor progress, log support sessions, and target weak areas. Perfect for revision, independent study, or a structured homework pack.
Key Topics Covered:Data Security & Compression: Differentiating lossy vs. lossless compression, mechanics of RLE and Dictionary coding, symmetric vs. asymmetric encryption, and cryptographic hashing use-cases. Relational Databases & SQL: Flat files vs. relational database structures, keys (primary, foreign, secondary), ERM diagrams, normalisation up to 3NF, record locking, ACID principles, and writing/interpreting raw SQL queries. Network Structures & Security: Routing hardware (switches, hubs, routers), client-server vs. peer-to-peer setups, packet vs. circuit switching, DNS, IP addressing, and the 4-layer TCP/IP stack. Web Concepts & Architecture: Practical HTML structural components, element and class-based CSS styling modification, client-side vs. server-side processing, and the factors governing the PageRank algorithm.
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