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Prepare a report - The report should be related to Business communications.
Topics to cover in your written report;
• LAN • WAN • Leased circuits (private business circuits rented from a carrier) • VPN • Internet, International communications • Security • Video conference • Remote collaboration on projects Carrier/Supplier • Fiberoptic • Copper cable • Satellite • Wireless • Bandwidth • Multiplexing Protocols • X25 • Frame relay • ATM Cloud • What is the Cloud • What does/can it supply • What benefits does it bring, • What potential problems will it bring.
Convert the table to 3NF. Represent your answer in DBDL. (i.e. Give table name and fields. Underline the primary key. Draw an entity-relationship diagram showing all relationships.)
The library System stores 3 type of informations: Users ( USID, USNAME, USMob, USEmail, USDept,USStartDate, NofBooks). Create the library database schema Structure.
Write the following procedures: woman_wants_to_enter, man_wants_to_enter, woman_leaves, man_leaves, using counters and sychronisation techniques to ensure that the correct behaviour will occur.
Sketch hash table of length 11 which results from using hash function h(i) = (2i + 5) mod 11, to hash the keys 12, 44, 13, 88, 23, 94, 11, and 39,
Compare the two non-sequential file structure models. What advantages does the first one have over the second and what advantages does the second have over the first?
Write down short description of database connectivity with Internet using one of widely disseminated technologies. (that is using either active server pages or Java server pages or others).
Evaluate the success WellCo and PharmaCARE shareholders
Suggest how to implement direct-address table in which keys of stored elements don't require to be distinct and elements can have satellite data.
Difference between obsolescent and redundant stocks
Construct a diagram using Rationale to map the arguments about a moral claim that you have identified in the article/case study and write an essay, which maps closely to the Rationale diagram that you constructed.
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables.
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