LAMP2 Quiz 4

What does the Traversable Interface do?

Its primary use is for detecting if a class can be traversed using a foreach.

Exposes methods that are used by PHP's core for traversing a collection or objects

Exposes a standard way in which an object's iterator is retrieved

What does the Serializable Interface do?

Exposes two methods allowing for custom serialization to occur on an object.

A class who implements this interface should not implement the __sleep() or __wakeup() methods as they will not be invoked.

All the above

Are Accessor and Mulator getters and setters?

True

False

Neither

Define Container

Contains data that is used in the database

In computer science, a container is a class, a data structure, or an abstract data type (ADT) whose instances are collections of other objects. In other words; they are used for storing objects in an organized way following specific access rules.

What is the comment Status error that occurs when a page doesn't display to the user?

5xx Server Error

2xx Success

4xx Client Error

3xx Redirection

What is a user-agent?

Web browser

Any software that accesses, consumes or displays web content

An agent that works for the server.

The PUT method is....

request asks the server to store the enclosed entity under a supplied URI.

If the specified URI refers to an already existing resource, the existing is overwritten with the new data

If it does not exist, then the server can create the resource with the specified URI.

All the above

HEAD -- Identical to HTTP GET request with the exception that the resource's content is not included.

True

False

What does GNU stand for?

General Programming Licenses

General Public Liceneses

General Public License

General Programming License