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The following data structure appears in a COBOL program used by a bureau de change:01 AUXILAIRY-ITEMS. 05 AMOUNT-REQUIRED PIC999V99. 05 SUCCESS-INDICATOR PIC 9.&nbs
There are many errors in the following COBOL source code. Identify the errors and rewrite the program so that it contains no errors:IDENTIFICATION DIVISION (Full stop required)PROGRAM ID.
Write a COBOL IF sentence to use the values of numeric variables EXAM and COURSEWORK, both assumed to be with format PIC 999 and in the range 0 to 100 and to move the value:“FAIL”, “
The accuracy of product table data is crucial and the Brwebean’s. owner prefers to have an audit file which contains information regarding all DML activity on the BB_PRODUCT table. This informat
On occasion, some of Brewbean’s customers mistakenly leave an item out of a basket already checked out, therefore they create a new basket containing the missing items. Though they request that
An analyst in the quality assurance office reviews the time lapse between receiving an order and shipping an order. Any orders which have not been shipped in a day of the order being positioned are in
Most of the reports produced from the system compute the total dollars in purchases for a shopper. Process the following steps to build a function named TOT_PURCH_SF which accepts a shopper id as inpu
The company wish to provide an incentive of free shipping to such customers who have not returned for 2 months. Build a procedure named PROMO_SHIP_SP which determines these customers are and then upda
Build a procedure named STATUS_SHIP_SP which permits a company to employee in the Shipping Department to update the status of an order to add up shipping information. The BB_BASKETSTATUS table maintai
Process the following steps to make a procedure to compute the tax on an order. The BB_TAX table includes the states which need taxes to be submitted for Internet sales. When the state is not listed i
Customers arrive at a bank with 2 tellers. The manager took the following data for 11 customers during a busy time. The manager has asked you to:(a) Create an event log. (b) Calculate the average ti
Give an algorithm that, given a grammar G = (V, Σ, R, S), decides whether the grammar G can derive the empty string.
Let REGEXP be the language of valid regular expressions over {a, b}. That is, REGEXP is the set of all strings over the symbols Σ= {a, b, (,), U,*, ^} that are valid regular expressions. For exa
Why is merging voice and data a major organizational challenge?
How can network costs be lowered?
In terms of designing network circuits and devices, what is capacity planning and how is it done? In your response, be sure to discuss current and future circuit loading, average circuit traffic
Assume that new transport layer protocols, not together from TCP and UDP, are invented and implemented. Describe how would that influence the existing NATs and why?
Compare and contrast symmetric and asymmetric encryption including: the number of keys included, key management and distribution, relative speed, operations executed on data, etc. In public key encryp
How can you secure a network perimeter? Be ensure to discuss all three of the basic access points into most networks, as well as the different types of firewalls commonly used today.
There are numerous components in a typical security policy. Explain three important components.
Compare and contrast digital subscriber line (DSL) and the cable modem. (Use bullets for each of the items you compare and contrast. Give at least six key in points of comparison.) Which is more
Is WAN (Wide area network) uses dialed circuits easier or harder to design than one which uses dedicated circuits? Explain.
Define a routed backbone, a switched backbone, and the VLAN. What is the finest practice backbone design of today and why?
How can you enhance the performance of a backbone network (BN)?
Name the three technology layers in backbone design? List the favoured technologies used in each of such layers.