ISU IT 330 Unit 1 Quizzes
A logical segmentation of a mainframe's memory and other resources that allows it to run its
own copy of the operating system and associated applications is called a _____? - ✔✔LPAR
The mainf
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ISU IT 330 Unit 1 Quizzes
A logical segmentation of a mainframe's memory and other resources that allows it to run its
own copy of the operating system and associated applications is called a _____? - ✔✔LPAR
The mainframe role which most likely installs, customizes and maintains the operating system is
_____? - ✔✔System programmer
Sysplex and Parallel Sysplex technologies are examples of? - ✔✔cluster technologies
Which of the following concepts BEST describes a cluster of IBM mainframes acting together as
a single system image? - ✔✔Parallel Sysplex
Concerning LPARs, channels, ESCON/FICON, switches and control units, which of the
following statements is false? - ✔✔ESCON switches are used to attach a mainframe to a LAN.
Common Criteria Evaluation Assurance Level 5 (EAL5) is a unique advantage of IBM
mainframes. EAL5 BEST relates to which of the following categories used to compare computer
systems? - ✔✔Security
Which of the following is NOT a common characteristic of a Batch Processing workload? -
✔✔Immediate output response is common.
The IBM zAAP processor instruction set was designed and optimized for which of the following
types of processes? - ✔✔Java web applications
Which of the following statements BEST describes the concept of Serviceability? - ✔✔The
ability of a system failed to allow the replacement of a hardware or software component while
minimizing the impact on the operational system.
In order to implement a Sysplex or Parallel Sysplex, which of the following must be used? -
✔✔a Coupling Facility must be used
The maximum number of severs that Parallel Sysplex can link together as one Sysplex is - ✔✔32
All of the following are cited as advantages of a Parallel Sysplex Cluster, except? - ✔✔Support
for different operating systems on a single mainframe
IBM LPARs (logical partitions) is the MOST conceptually similar to which of the following
concepts? - ✔✔virtualization technologies
The concepts of channel, control unit and device number are related to which of the following
hardware technologies? - ✔✔I/O connectivity
Which of the following Parallel Sysplex concepts is MOST associated with Disaster Recovery? -
✔✔Geographically Dispersed Parallel Sysplex (GDPS)
The IBM zIIP processor instruction set was designed and optimized for which of the following
types of processes? - ✔✔DB2 database applications
Which of the following statements BEST describes the concept of Reliability? - ✔✔The ability
to conduct automated extensive tests to identify potential problems that will impact the
availability of the system.
Which of the following statements BEST describes the concept of Basic Shared DASD? -
✔✔Two different channels assigned to two different LPARS are connected to the same control
unit
The mainframe role which most likely maintains security resource control lists, users and user
profiles, network connectivity and monitors system performance is _______? - ✔✔System
administrator
Which of the following statements BEST describes the concept of Compatibility? - ✔✔The
design of new computer hardware, operating systems and applications to be integrated with older
computer systems.
IBM 3990 devices are popular types of which zEnterprise hardware component? - ✔✔direct
access storage devices (disk drives)
The design goal that ensures that no application changes are required to run in a Parallel Sysplex
and compared to a single LPAR is called a(n)? - ✔✔Application compatibility
Which of the following statements BEST describes the concept of Availability? - ✔✔The ability
to recover from minor or extensive hardware failures without impacting the rest of the running
system.
Which of the following is not one of the processor types used by zEnterprise mainframes? -
✔✔MA4 ( Math Assist Quad Core Processor)
Which of the following is NOT a common characteristic of an OLTP workload? - ✔✔Large
volumes of input data to be processed
All of the following describes the process of responding to an interrupt, except? - ✔✔The
hardware erases the Program Status Word (PSW) to prevent contamination cause by the
interrupt.
The simultaneous operation of two or more processors that share various hardware resources,
e.g., system and disk storage, is called ______? - ✔✔multiprocessing
The primary security function of a storage protection key is to _______. - ✔✔determine if an
executing application is authorized to access a 4K virtual storage unit
The 64-bit z/OS operating system can manage up to 16-extabytes of storage. This means that up
to 16- extabytes of executing programs and data can be under the z/OS 's control. To be more
specific z/OS supports up to 16-extabytes of ________ storage. - ✔✔virtual
Vital information about the z/OS component and an executing application's status that can help
diagnose the cause of a failing component is stored in a ____________. - ✔✔control block
Predefined code used as callable within z/OS or application programs is called ________? -
✔✔macro
The hardware component that independently controls communication with the I/O control unit
without the assistance of the CP in a multiprogramming is called a(n) ____? - ✔✔channel
Channel subsystems signaling the completion of a process or a return of a printer to ready status
are examples of which type of interrupt? - ✔✔I/O interrupts
Which of the following is (are) included in a 64-bit z/OS virtual address? - ✔✔All of the above
(region index (RX) - which region? - bits 0 -32, segment index (SX) - which segment within a
region? - bits 33 - 43, page index (PX) - which page within a segment and within a region - bits
44 - 51, byte index (BX) - which byte with a page - bits 52 - 63)
Workload Management (WLM), Recovery Termination Manager ( RTM), Unified Resource
Manager (URM), and RACF are examples of - ✔✔system components
An event that alters the sequence in which the processor executes instructions is called? -
✔✔interrupt processing
What is a "page fault"? - ✔✔A virtual address is not in real memory and z/OS must bring in the
page from auxiliary storage.
All if the following are types of z/OS storage, except? - ✔✔dynamic storage
A group of z/OS related instructions are called a ________? - ✔✔module
In z/Archtecture, address space isolation (protection) is based on __________? - ✔✔private and
common address spaces
Virtual storage is dynamic representation of ________. - ✔✔real and auxiliary storage
A program performing an illegal operation, e.g., divide-by-zero, or referencing a page that is not
in central storage (a page-fault) are examples of which type of interrupt? - ✔✔Program interrupts
An active virtual storage page residing currently i
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