750 Guide chapter 3, SAP Netweaver Overview

Question 1

What are the 5 main sap product offerings?

Answer 1

Business by design
Business one
All in one
Business suite
S/4

Question 2

What are the 5 main sap product offerings?

Answer 2

Business one
Business by design
All in one
Business suite
S/4

Question 3

What is Business by design?

Answer 3

Is an on-demand solution of core processes. Suitable for business of 500 employees and 100 users

Question 4

What is Business one

Answer 4

It covers core processes and is suitable for business with less than 100 employees and 30 users
It is provided as SAAS

Question 5

What is all-in-one

Answer 5

SAP core processes for vertical solutions.

Question 6

What is the SAP Business Suite

Answer 6

An extended family of business applications
It is part of BTP (business technology platform)
It contains reusable enterprise services
It includes SAP NetWeaver
It includes the following 
ERP
HCM
CRM
SCM
SRM
PLM
Financials
Operations
Corporate services

Question 7

What enhancement in AS 6.1 allowed direct processing of HTTP requests rather than using the ITS?

Answer 7

The Internet communication manager (ICM)

Question 8

What is the structure of the AS ABAP application server

Answer 8

There are 6 main components

1) The ICM for handling web requests that are placed into the dispatcher queue
2) The Dispatcher which handles requests from SAP GUI and the message server. It can add or retrieve requests from the dispatcher queue
3) The Dispatcher queue
4) The work processes which have one of 5 types (Dialog, Background, Spool, Update, Enqueue)
5) The Gateway
6) Memory pipes used to transfer data from and to the ICM after the dispatcher assigns a work process
7) Shared Memory which is used by the work processes and also includes the PDX

Question 9

What is the structure of a work process?

Answer 9

1) Screen processor
2) ABAP processor
3) Database interface
There is also a context area

Question 10

What is a BSP?

Answer 10

A Business Server Page generates HTML code and allows access to SAP thru web pages (thru the ICM). Think of it as forerunner to web dynpro although it is actually more powerful

Question 11

How is communication between the ABAP and JAVA stack achieved?

Answer 11

By the JCO

Question 12

There are two new communication methods that can be connected together. What are they

Answer 12

ABAP Message Channels (AMC)

ABAP Push Channels (APC)

Question 13

How is ABAP 7.50 shipped now?

Answer 13

As copy of cloud based 7.62 based on kernel 7.45

Question 14

What is a use case for AMC

Answer 14

Communication between two programs is needed. The messages can be exchanged as text, byte strings, or content that is serialized (think JSON)
They are based on sender/receiver and are buit on interfaces and classes

Question 15

What is a use case for an APC?

Answer 15

This enables bidirectional communication with the internet. It is based on websocket and TCP protocols.
The service can be stateless or stateful

Question 16

What 3 things might you expect to see in the central services server?

Answer 16

The message server
The enqueue server
The start service

Question 17

What are the tasks of the kernel and administrative services?

Answer 17

1) running programs
2) user and process administration
3) Database access
4) Communication
5) Control and administration of Netweaver AS

Question 18

Name the 3 ways a user can access SAP

Answer 18

SAPGUI
NWBC
A web browser

Question 19

How do the three parts of standard SQL relate to ABAP components
DML (Data Manipulation Language)
DDL (Data Definition Language)
DCL (Data Control Language)

Answer 19

DML relates to open sql

DDL and DCL relate to the data dictionary and NetWeaver tasks

Question 20

Are multiple spool processes allowed?

Answer 20

Yes, after 4.0 multiple spool processes are allowed

Question 21

What process handles requests between application servers

And which process handles request from external sources (non-http)

Answer 21

The message server handles inter-app server requests

The gateway handles external requests

Question 22

What is an instance

Answer 22

It has a dispatcher, it has at least two work processes. It starts when the dispatcher starts. It is identified by a SYstem ID (sid) and instance number

Question 23

True or false
In the repository information system you can search for both the definition and the implementation of enhancements including badis, smod/cmod, and enhancements?

Answer 23

True