To display the contents of a text file called data, what command should be used?

A. disp data
B. ls data
C. ls -l data
D. cat data

Answer: D

Computer Science & Information Technology

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A client sends a 200 byte request message to a service, which produces a response containing 5000 bytes. Estimate the total time to complete the request in each of the following cases, with the performance assumptions listed below: i) Using connectionless (datagram) communication (for example, UDP); ii) Using connection-oriented communication (for example, TCP); iii) The server process is in the same machine as the client. [Latency per packet (local or remote, incurred on both send and receive):5 milliseconds Connection setup time (TCP only):5 milliseconds Data transfer rate:10 megabits per second MTU:1000 bytes Server request processing time:2 milliseconds Assume that the network is lightly loaded.]

What will be an ideal response?

Computer Science & Information Technology

Case Based Critical ThinkingCase 1Eleanor is the Benefits Coordinator at XYZ Regional Medical Center.  As part of her job, she informs employees of changes in health insurance benefits, new health service providers, open enrollment periods, and retirement benefits.  Eleanor works with a team of people who maintain the web pages associated with these employee benefits. Because a team of people are working on the project, they all use _____ to record notes and exchange information with other members of the team.

A. Validating Markup B. Ongoing Site Testing C. Testing Pages D. Design Notes

Computer Science & Information Technology