4. What is the z/OS component (subsystem) that provides OLTP processing services for user transactions, e.g., inquiry to account balances, adding employee information into a database, etc. using legacy programming languages, e.g., COBOL? Answer:

5. z/OS is a full feature operating that executes IBM legacy applications. z/OS frequently runs under Z/VM as a guest operating. What is the function of the z/VM? Answer:

6. What is the relationship between z/VM, z/OS and zLinux IBM Enterprise systems? Answer:

7. Given the following IBM System z Concepts. Your text book has some excellent definitions. Describe the following System z concepts using the following table.

IBM Enterprise Concepts and Subsystems
Concept	Description
JES
LPAR
VTOC
DASD
Sequential Data Set
JCL
Sysplex
Catalog
CICS
REXX
ISPF
TSO
3270 Terminal

Video - Introduction to zOS and Processing Modes Part-2 3-14-2014 - http://youtu.be/TrVF5GjjmJY

Video - Introduction to zOS and Processing Modes Part-3 3-14-2014 - http://youtu.be/PzrbdaGAtn8

8. From your previous research of use lookup images using Google, paste an image that best illustrates the following concepts in the following table.

IBM System z Concepts and Subsystems
Concept	Image
JES
LPAR
VTOC
DASD
Sequential Data Set
JCL
Sysplex
Catalog
CICS
REXX
ISPF
TSO
3270 Terminal

9. What concept in Windows is comparable to IBM datasets? Answer:

10. What are DASD volumes and labels? Answer:

11. On what types of devices may data sets be stored? (There are more than one answer.) Answer:

12. How are data sets named? Answer:

13. What is the difference between a VTOC and a catalog (Assignment 1 hands-on explains this answer). Answer:

14. What is a VTOC similar to which storage concept in Windows? Answer:

15. A z/OS Partitioned Data Set is similar to which storage concept in a Windows, Unix or Linux file system? Answer:

23. An IBM 3270 terminal is used with what z/OS operating interactive facility? Answer:

24. What is VSAM? What is VSAM used for? Answer:

16. Windows and Linux files are byte-oriented. Windows or Linux stores file contents, e.g., a Word Document, as a contiguous series of bytes until the end of the file marker is reached. Many z/OS BM data sets are stored using a record-oriented content format. A record is a group of related data, words, or fields treated as a meaningful unit; for instance, a Name, Address, and Telephone Number can be a "Personal Record". Many IBM data sets were primarily designed to store business data or application program code rather than unstructured content used by a Word document or graphic file. What were the advantages of an IBM record-oriented file format? (Assignment 1 hands-on explains this answer). Answer: