DevNet Associate DEVASC 200-901 Official Certification Guide by Adrian Iliesiu (z-lib.org)

T

R

A

C

E

A client can use a TRACE request to ask a server to

return a diagnostic trace of the actions it takes.

O P T I O N S

A client can use an OPTIONS request to ask a server to

return a list of the request methods it supports.

C O N N E C T

A client can use a CONNECT request to tell a proxy to

make a connection to another host and simply reply with

the content, without attempting to parse or cache it. This

request is often used to make SSL connection through

the proxy.

REST Methods and CRUD

As you have seen, REST is an architectural paradigm that
allows developers to build RESTful services. These
RESTful applications make use of HTTP requests for
handling all four CRUD operations: CREATE, READ,
UPDATE, and DELETE. These four operations are the
operations most commonly used in manipulating data.
The HTTP methods map in a one-to-one way to the
CRUD operations, as shown in Table 7-3.

Table 7-3 Mapping HTTP Methods to CRUD

Operations

HTTP MethodOperationExplanation

P

OS

T

C

R

EA

TE

Used to create a new object or resource.

Example: Add new room to a house