____ refers to the ability of one computing device (a desktop computer, portable computer, or smartphone, for example) on a network (such as the Internet or a mobile phone network) to identify another device on the same network and determine its status.
A. Presence technology
B. Computer monitoring
C. Digital surveillance
D. Detection technology
Answer: A
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Which of the following is not true about static methods?
a. It is not necessary for an instance of the class to be created to execute a static method. b. They are called by placing the key word static after the access specifier in the method header. c. They are called from an instance of the class. d. They are often used to create utility classes that perform operations on data but have no need to collect and store data.
Critical Thinking Questions Case 1-1 ? You have created a simple worksheet like the one in the accompanying figure to help you keep track of your available funds based on your monthly costs for rent, gas, food, and entertainment. You have a monthly income of 2000 that is stored in cell B3. Your rent expense is 450 that is stored in cell B6. ? ? In your budget, there is a formula in cell C7 that you want to copy to cells C8 and C9. What Excel feature would you use to accomplish this? a.formula painterc.fill handleb.formula copierd.formula index
What will be an ideal response?
Typically, a database management system is managed by a person called a _____, who assesses overall requirements and maintains the database for the benefit of an entire organization rather than a single department or user.
A. database administrator B. business intelligence analyst C. database consumer D. big data analyst
Some congestion control methods are based on simple techniques such as the flow control methods.
Answer the following statement true (T) or false (F)