Define a mail transfer agent (MTA) and provide an example.
What will be an ideal response?
A mail transfer agent (MTA) is a program for receiving and delivering messages via Simple Mail Transfer Protocol. In Linux, the MTA is often Postfix or sendmail; in Microsoft, an example is Microsoft Exchange Server.
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Discuss the importance of planning in the database lifecycle, detailing the significant stages in the process. Once the design phase of the database lifecycle has been initiated, the objective is to achieve a conceptual database schema design. Explain the procedures necessary in order to achieve this objective.
What will be an ideal response?
What is the output of the following code?
``` public class Test { public static void main(String[] args) { String s1 = new String("Welcome to Java"); String s2 = s1; s1 += "and Welcome to HTML"; if (s1 == s2) System.out.println("s1 and s2 reference to the same String object"); else System.out.println("s1 and s2 reference to different String objects"); } } ``` a. s1 and s2 reference to the same String object b. s1 and s2 reference to different String objects
An example of a(n) ________ key is a driver's license number
A) composite B) alternate C) natural D) artificial
A style rule value defines the target to which a style rule is applied.
Answer the following statement true (T) or false (F)