Examen 3 P2

Question 1

This refers to minimazing the dependencies between services in order to have a flexible underlying architecture (reducing the risk that change in one service will have a knock-on effect on other services)

Answer 1

Loose coupling

Question 2

The acces point of aweb service with a ______ can depend on context and can change fron time to time, its current ______ can be obtained from a ______ lookup service

Answer 2

URN, URL, URN

Question 3

This is designed to enable both client-server and asynchronous interaction over the internet

Answer 3

SOAP

Question 4

This is an alternative aproach which uses its own service description to deal with the service-specific characteristics of the message it recieves

Answer 4

REST

Question 5

This is carried in an ‘envelope’. Inside the envelop there is an optional header and a body

Answer 5

SOAP Message

Question 6

The key characteristic of most web services is that they can process:

Answer 6

XML Fornatted SOAP messages

Question 7

This is a persistent reference, meaning that it will continue to refer to the service for as long as the server the URL points to exist

Answer 7

URL