Sentinel values must be selected so as not to conflict with ____.
A. legitimate data values
B. program logic
C. other sentinels
D. stored data
Answer: A
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What type of DNS resource record associates a particular TCP/IP service to a server along with the domain of the server and its protocol?
A. NS B. SRV C. SOA D. CNAME
What is the output of the following code?
``` public class Test { public static void main(String[] args) { new Person().printPerson(); new Student().printPerson(); } } class Student extends Person { @Override public String getInfo() { return "Student"; } } class Person { public String getInfo() { return "Person"; } public void printPerson() { System.out.println(getInfo()); } } ``` a. Person Person b. Person Student c. Stduent Student d. Student Person