Math.pow(4, 1 / 2) returns __________.

Answer the following statements true (T) or false (F)

1. Data transport and processing and control support are sub layers of the resource layer. 2. Representational State Transfer (REST) is an architectural style used to define APIs. 3. In addition to northbound and southbound interfaces, a typical SDN controller will have an east/westbound interface that enables communication with other SDN controllers and other networks. 4. The application plane contains applications and services that define, monitor, and control network resources and behavior. 5. The northbound interface enables applications to access control plane functions and services without needing to know the details of the underlying network switches.

Which of the following statements is true?

a. Each object (instance) of the class shares the class’s instance variables. b. Most instance-variable declarations are preceded with the keyword public, which is an access modifier. c. Variables or methods declared with access modifier private are accessible only to methods of the class in which they’re declared. d. None of the above is true.