The Evolving Mainframe Flashcards
What is IBM Z’s premier operating system?
z/OS
Which of these are the two most popular data processing methods used by organizations?
LAN
Manual
Online
TSO
Batch
DASD
Online
Batch
This person is responsible for scheduling ongoing and on-demand job activity on the mainframe.
Production controller
This person is responsible for the analysis, development, modification, installation, testing, and maintenance of the mainframe and middleware operating systems’ software.
Systems programmer
True or False
Online processing can only support a small number of logged-in users.
False
True or False
One of the characteristics of an online processing system is that transactions are run outside of business hours.
False
True or False
Batch processing can run in the background to online processing.
True
True or False
Batch processing is performed by CICS
False
True or False
Job scheduling software is often used by organizations to submit and monitor batch job processing.
True
Which three items are transaction management systems?
PL/I
WebSphere Application Server
JCL
COBOL
CICS
IMS
WebSphere Application Server
CICS
IMS
What OS provides virtual machines for the mainframe?
z/VM
z/VSE
The less complex mainframe operating system used for smaller mainframes.
What are the officially supported Linux variants that run on the mainframe?
SUSE, Ubuntu, RedHat
z/TPF
A specialized OS for very high transaction capacity
True or False
z/TPF can utilize multiple mainframes?
True - Handles thousands of transactions per second
z/OS
The premier IBM OS
What is the role of middleware?
It provides connectivity services between software components or applications across different platforms.
Central Processor
Responsible for scheduling and processing instruction execution.
How many central processors can the latest hardware support?
200
Name that Accronym
SAP
System Assistance Processor
System Assistance Processor
Responsible for running internal microcode primarily to control the I/O subsystem
Name that Accronym
IFL
Integrated Facility for Linux
Integrated Facility for Linux
Dedicated to running the Linux OS.
True or False. An IFL is the same as a central processor
True - Other than a couple z/OS related instructions that are disabled, it is a regular processor.
Name that Accronym
zAAP
Z system Application Assist Processor
Z system Application Assist Processor
Dedicated to running Java workloads
True or False
zAAPs are only supported on z14 and later?
False
zAAPs were retired along with z14 and replaced with zIIP
Name that acronym
zIIP
Z system Integrated Information Processor
Z system Integrated Information Processor
Dedicated to database and workloads previously handled by zAAP such as Java.
Name that acronym
ICF
Integrated Coupling Facility
Integrated Coupling Facility
Enables multiple IBM mainframes to share, cache, update, and balance data access across systems.
Spares
Non-configured processors that are installed and referenced only if the system detects a failing central processor.
The spare takes the workload of the failing processor