Is it possible for an interactive system to be efficient without being effective? Why or why not?
What will be an ideal response?
Effectiveness is the ability of a person to achieve a desired goal by using a system, while efficiency is a measure of how quickly a person can achieve a desired goal. If a system is not effective, it means that people cannot achieve their goals. If they cannot achieve their goal at all, it does not make sense to talk about how quickly they can achieve their goal. So a system cannot be efficient without being effective
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The Election service must ensure that a vote is recorded whenever any user thinks they have cast a vote. Discuss the effect of maybe call semantics on the Election service. Would at-least-once call semantics be acceptable for the Election service or would you recommend at-most-once call semantics?
What will be an ideal response?
Whereas phishing involves sending millions of generic e-mail messages to users, which type of similar attack targets only specific users?
A. whaling B. vishing C. spear phishing D. pharming
Which command is universally known as the "show me the endpoint" utility?
A. RSH B. Netstat C. RCP D. rlogin
Which of the following is the most secure security protocol used with routers?
a. WPA2 b. WPA c. WEP2 d. WEP