Patterns, or design patterns
a) Distill programmer experience into models that work
b) Should be taken as a detailed prescription for problem solving.
c) Have become standard and useful tools
d) Have no formalism for expression and implementation of patterns.
e) UML is a formalism to express patterns
b) Should be taken as a detailed prescription for problem solving.
d) Have no formalism for expression and implementation of patterns.
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The reason that a blind copy of the purchase order is sent to receiving is to
A. inform receiving when a shipment is due B. force a count of the items delivered C. inform receiving of the type, quantity, and price of items to be delivered D. require that the goods delivered are inspected
Which of the following is not a task handled by a router?
A. ?A router forwards broadcasts over the network. B. ?A router can reroute traffic if the path of first choice is down but a second path is available. C. ?A router can interpret Layer 3 and often Layer 4 addressing. D. ?A router can connect dissimilar networks.