Which of the following is the common port number for HTTP (WWW) using TCP?
A) 25
B) 23
C) 80
D) 53
C
Explanation: C) Port 80 is considered one of the most overloaded because it is used for general HTTP (WWW) requests, which use TCP.
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Which of the following reasons makes demand paging a desirable fetch policy?
a) Demand paging improves performance for processes with predictable memory-access patterns. b) Demand paging guarantees that the system brings into main memory only those pages that processes actually need. c) Demand paging improves performance by preloading pages that are likely to be needed in the future. d) all of the above
Which of the following most completely describes the steps for setting up event handling for a GUI component?
a. Create a class that represents the event handler, attach the JFrame to a JWindow object and register the event handler. b. Implement an appropriate event-listener interface and register the event handler. c. Create a class that represents the event handler and implement an appropriate event-listener interface. d. Create a class that represents the event handler, implement an appropriate event-listener interface and register the event handler.
When working with large data sets, it can be useful to group the data into ________
Fill in the blank(s) with correct word
Why is the speed of malicious attacks making the challenge of keeping computers secure more difficult?
What will be an ideal response?