In how many ways SAP Netweaver AS can be installed? Explain.

There are 3 different installation options for SAP Netweaver AS. These are :
• SAP Netweaver AS ABAP : Complete infrastructure in which ABAP-based applications can be developed and used.
• SAP Netweaver AS Java : Complete infrastructure in which J2EE-conform applications can be developed and used.
• SAP Netweaver AS ABAP + Java : Complete infrastructure in which ABAP-based and J2EE-based applications can be developed and used. This installation emphasizes the seamless Java ABAP integration.