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CIDR (Classless Inter-Domain Routing) is an efficient method for IP address allocation compared to classful addressing. It defines IP address networking information using prefix notations such as /24 or /16, and it also helps simplify routing configuration and management. The best use case is learni...

A Salesforce Roll Up Summary Field is one such field that automatically calculates its value from related child records within the master-detail relationship. A Roll Up Summary Field can use various formulas, such as SUM, COUNT, MIN, and MAX, on child records without requiring manual calculation or ...

IELTS score remains valid for 2 years from the date you sat your test. Most universities, companies, and government immigration organizations will require you to retake the test once your score expires if evidence of your English proficiency is still required. It is advisable to apply for university...