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IBM Mainframe Systems Operator Level I Certificate 2.5 (V2) > The Evolving Mainframe > Flashcards

The Evolving Mainframe Flashcards

1
Q

What is IBM Z’s premier operating system?

A

z/OS

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2
Q

Which of these are the two most popular data processing methods used by organizations?

LAN
Manual
Online
TSO
Batch
DASD

A

Online
Batch

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3
Q

This person is responsible for scheduling ongoing and on-demand job activity on the mainframe.

A

Production controller

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4
Q

This person is responsible for the analysis, development, modification, installation, testing, and maintenance of the mainframe and middleware operating systems’ software.

A

Systems programmer

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5
Q

True or False

Online processing can only support a small number of logged-in users.

A

False

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6
Q

True or False

One of the characteristics of an online processing system is that transactions are run outside of business hours.

A

False

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7
Q

True or False

Batch processing can run in the background to online processing.

A

True

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8
Q

True or False

Batch processing is performed by CICS

A

False

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9
Q

True or False

Job scheduling software is often used by organizations to submit and monitor batch job processing.

A

True

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10
Q

Which three items are transaction management systems?

PL/I
WebSphere Application Server
JCL
COBOL
CICS
IMS

A

WebSphere Application Server
CICS
IMS

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11
Q

What OS provides virtual machines for the mainframe?

A

z/VM

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12
Q

z/VSE

A

The less complex mainframe operating system used for smaller mainframes.

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13
Q

What are the officially supported Linux variants that run on the mainframe?

A

SUSE, Ubuntu, RedHat

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14
Q

z/TPF

A

A specialized OS for very high transaction capacity

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15
Q

True or False

z/TPF can utilize multiple mainframes?

A

True - Handles thousands of transactions per second

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16
Q

z/OS

A

The premier IBM OS

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17
Q

What is the role of middleware?

A

It provides connectivity services between software components or applications across different platforms.

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18
Q

Central Processor

A

Responsible for scheduling and processing instruction execution.

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19
Q

How many central processors can the latest hardware support?

A

200

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20
Q

Name that Accronym

SAP

A

System Assistance Processor

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21
Q

System Assistance Processor

A

Responsible for running internal microcode primarily to control the I/O subsystem

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22
Q

Name that Accronym

IFL

A

Integrated Facility for Linux

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23
Q

Integrated Facility for Linux

A

Dedicated to running the Linux OS.

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24
Q

True or False. An IFL is the same as a central processor

A

True - Other than a couple z/OS related instructions that are disabled, it is a regular processor.

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25
Q

Name that Accronym

zAAP

A

Z system Application Assist Processor

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26
Q

Z system Application Assist Processor

A

Dedicated to running Java workloads

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27
Q

True or False

zAAPs are only supported on z14 and later?

A

False

zAAPs were retired along with z14 and replaced with zIIP

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28
Q

Name that acronym

zIIP

A

Z system Integrated Information Processor

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29
Q

Z system Integrated Information Processor

A

Dedicated to database and workloads previously handled by zAAP such as Java.

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30
Q

Name that acronym

ICF

A

Integrated Coupling Facility

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31
Q

Integrated Coupling Facility

A

Enables multiple IBM mainframes to share, cache, update, and balance data access across systems.

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32
Q

Spares

A

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

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33
Q

Capacity on Demand

A

A collection of capacity planning options

34
Q

Which capacity planning options are available?

A

CIU
On/OFF CoD
CBU

35
Q

Name that acronym

CIU

A

Customer Initiated Upgrade

36
Q

Customer Initiated Upgrade

A

Allows the customer to initiate a permanent increase in processing capacity

37
Q

Name that acronym

On/OFF CoD

A

On/Off Capacity on Demand

38
Q

On/Off Capacity on Demand

A

Allows for adding short-term additional processing capacity.

39
Q

Name that acronym

CBU

A

Capacity Backup Upgrade

40
Q

Capacity Backup Upgrade

A

Provides reserved emergency backup capacity for all processor configurations.

41
Q

Which two systems allow you to deploy cloud environments on their servers?

HMC
FICON
LinuxONE
TS4500
z15

A

LinuxONE
z15/16

42
Q

As of the beginning of 2021, which two are the current enterprise and entry-level versions of this hardware?

LinuxONE Emperor
LinuxONE Rockhopper
LinuxONE z15 T01
LinuxONE III LT2
LinuxONE III LT1
LinuxONE z15 T02

A

LinuxONE III LT2
LinuxONE III LT1

43
Q

Name that acronym

DASD

A

Direct Access Storage Devices

44
Q

Define mainframe storage in terms of programs

A

The area where programs must reside in order for them to run, much like the PC and its use of memory

45
Q

Define mainframe storage in terms of data

A

The medium used to store data that at some stage will need to be processed, for example, Direct Access Storage Devices (DASD), tapes, and cartridges

46
Q

Define “Real storage”

A

Real storage is also referred to as processor storage, central storage, or real memory. Put simply, it is the computer’s memory.

47
Q

Define “Auxilliary storage”

A

External storage such as DASD, tape, and cartridge

48
Q

Define “paging storage”

A

Also is auxiliary storage. This term is used when program instructions or data are “paged” to auxiliary storage.

49
Q

Name that acronym

LPAR

A

Logical partition

50
Q

Logical partition

A

Contains resources (processors, memory, and input/output devices) and operates as an independent system.

51
Q

True of False

A mainframe can contain multiple LPARs

52
Q

Channel subsystem

A

A mechanism to receive data from and send data to devices such as DASD, printers, tapes, and cartridges, which is external to central storage.

53
Q

z/OS 2.3 on z14 can support up to __ of memory per LPAR

54
Q

Name that acronym

PR/SM facility

A

Processor Resource/System Manager

55
Q

Processor Resource/System Manager (PR/SM) facility

A

Hardware circuits and microcode built into IBM System/390 mainframes that support logical partitions (LPARs)

56
Q

z/OS 2.5 on z16 can support up to __ of memory per LPAR

57
Q

Name that acronym

SNA/VTAM

A

Systems Network Architecture/Virtual Telecommunications Access Method

58
Q

Systems Network Architecture/Virtual Telecommunications Access Method (SNA/VTAM)

A

IBM’s protocol for networking and the software that manages communication in mainframe environments.

59
Q

SNA

A

Systems Network Architecture

60
Q

Systems Network Architecture

A

SNA is the original networking architecture that allowed mainframe computers to communicate with each other

61
Q

Virtual Telecommunications Access Method

A

Responsible for handling the data flow and overall communication session with user terminals or application programs within an SNA network

62
Q

Name that acronym

TCP/IP

A

Transmission Control Protocol/Internet Protocol

63
Q

Name that acronym

OSA Express

A

Open Systems Adapter Express

64
Q

Open Systems Adapter Express (OSA Express)

65
Q

Name that acronym

CSM

A

Communications Storage Manager

66
Q

What is the most common protocol for network communications with z/OS?

67
Q

True or False

TCP/IP is unable to communicate with other protocols such as FTP, Telnet, HTTP, etc.

A

False

TCP/IP can communicate with other protocols

68
Q

Name that acronym

OSA

A

Open Systems Adapter

69
Q

Open Systems Adapter

A

A network controller that enables the mainframe to communicate with a number of LANs by using network protocols such as SNA and TCP/IP.

70
Q

Name that acronym

71
Q

Queued Direct I/O

A

An operation that allows OSA-Express to achieve data transfer speeds of up to 10 Gbps.

72
Q

Which protocol is used to emulate of some mainframe applications

A

3270 protocol

73
Q

Mechanism that manages Internet applications on the mainframe

74
Q

Mechanism that manages communication for CICS IMS

A

Systems Network Architecture (SNA)

75
Q

used for handling session establishment and data flow between user terminals and application programs within an SNA network

A

Virtual Telecommunications Access Method (VTAM )

76
Q

Which type of operating system is particularly suited to organizations that have very high transaction volumes?

77
Q

What is an LPAR?

A

A partitioned part of the computing environment that operates as an independent system.

78
Q

Name that acronym

A

Central Processor

79
Q

Central Processor

A

Responsible for scheduling and processing instruction execution.

80
Q

Which z/OS Communications Server component provides shared I/O data flow?

A

Communications Storage Manager (CSM)

81
Q

Using what system is an LPAR configured?

A

Processor Resource/System Manager (PR/SM)

IBM Mainframe Systems Operator Level I Certificate 2.5 (V2) (10 decks)

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