"The primary key of a table plays a significant role when setting relationships." Describe why this statement is true
What will be an ideal response?
You cannot join two tables unless a primary key has been set in a primary table. A join line joins a primary key to a foreign key in a different table. Relationships between tables will almost always be set using primary and foreign keys.
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To prevent an attacker from detecting your wireless network signals, what should be changed from the manufacturer defaults?
a. Change the SSID. b. Disable the SSID broadcast. c. Add MAC address filtering. d. Change the default administrator password. e. All the options provided are correct.
Answer the following questions true (T) or false (F)
1. According to the principle of information hiding, a module should be completely isolated from other modules. 2. An abstract data type is another name for a data structure. 3. The head of a list does not have a successor.