What kind of server responds to recursive queries? How does this server work?
What will be an ideal response?
A DNS cache responds to recursive queries. Whereas an authoritative server
returns only records about domains it defines, a DNS cache attempts to find
a record if that record is not stored in the cache. When it does not have a
record you request, a DNS cache starts at the root server and sends iterative
queries to authoritative servers until it finds the requested record.
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LinkedIn has an additional ________ million people joining each month
Fill in the blank(s) with correct word
Given the following code, find the compile error.
``` public class Test { public static void main(String[] args) { m(new GraduateStudent()); m(new Student()); m(new Person()); m(new Object()); } public static void m(Student x) { System.out.println(x.toString()); } } class GraduateStudent extends Student { } class Student extends Person { @Override public String toString() { return "Student"; } } class Person extends Object { @Override public String toString() { return "Person"; } } } a. m(new GraduateStudent()) causes an error b. m(new Student()) causes an error c. m(new Person()) causes an error d. m(new Object()) causes an error