Questões de Concurso Comentadas para caip-imes

No sistema operacional Linux, a construção do sistema de arquivos pode ser feita por meio do comando:

A XML pode ser usada para oferecer informações sobre a estrutura e o significado dos dados nas páginas Web, em vez de apenas especificar como elas são formatadas para exibição na tela. Os aspectos de formatação são especificados separadamente – por exemplo, usando uma linguagem de formatação como a XSL (Extensible Stylesheet Language) ou uma linguagem de transformação como a:

Para se verificar a versão Ruby instalada em sua máquina, pode-se entrar com o comando:

Considere as afirmações abaixo.

I - A table is in second normal form (2NF) if it is in 1NF and there is no nonkey column dependent on a partial primary key of that table. This means if (A,B) is a combination of two table columns building the key, then there is no column of the table depending either on only A or only B.

II - SOAP is a XML-based protocol to let applications exchange information over HTTP. Or more simply: SOAP is a protocol for accessing a Web Service.

Pode-se afirmar que:

Considere as afirmações abaixo.

I - In Object-Oriented Programming, the Abstract Factory pattern is one level of abstraction higher than the factory pattern. You can use this pattern when you want to return one of several related classes of objects, each of which can return several different objects on request. In other words, this pattern is a factory object that returns one of several factories. One classic application is the case where your system needs to support multiple “look- and-feel” user interfaces, such as Windows-9x, Motif or Macintosh. You tell the factory that you want your program to look like Windows and it returns a GUI factory which returns Windows-like objects. Then when you request specific objects such as buttons, check boxes and windows, the GUI factory returns Windows instances of these visual interface components.

II - Although Web Services do not necessarily translate to SOA, and not all SOA is based on Web Services, the relationship between the two technology directions is important and they are mutually influential: Web Services momentum will bring SOA to mainstream users, and the best-practice architecture of SOA will help make Web Services initiatives successful.

Pode-se afirmar que: