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IBM 000-453 Exam Questions & Answers

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IBM 000-453 Exam Questions & Answers

Exam Name: IBM System Storage DS8000 Technical Solutions V3

Exact-Exams

QUESTION 1What should be used to most effectively model System z customer workload for implementation on IBMDS8800?

A. SMF AnalyzerB. Disk Magic onlyC. RMF Magic onlyD. RMF Magic and Disk Magic

Correct Answer: DSection: (none)Explanation

Explanation/Reference:+

QUESTION 2A customer has submitted an REP for which a DS8870 is the preferred solution to support their VMwareenvironment. They require support for VAAI Extended Copy.What should the technical specialist advise this customer?

A. VAAI is only a host function so any disk subsystem can be consideredB. DS8870 supports the VAAI functionality required by this customerC. A SAN Volume Controller must be proposed along with the DS8870 to provide VAAI supportD. A DS8870 with FlashCopy should be proposed

Correct Answer: BSection: (none)Explanation


QUESTION 3Which of the following elements provides data integrity in the DS8000?

A. Non-Volatile StorageB. I/O Priority ManagerC. Storage Pool StripingD. Subsystem Device Driver

Correct Answer: ASection: (none)Explanation


QUESTION 4What z/OS solution supported by the D68000 is designed to provide continuous availability in cases of disksubsystem failure?

A. zHPE

B. MIDAWC. HyperSwapD. HyperPAV

Correct Answer: CSection: (none)Explanation


QUESTION 5A customer has a UNIX-based 25 TB Oracle/SAP instance currently running on an HP 12000 EnterpriseStorage array. The database is very sensitive to response times and is reported to have a peak I/O requirementof over 25,000 I/O per second. The HP device is nearly three years old, and the customer is consideringreplacing it.Which of the following is the best way to investigate the IBM DS8000 as a suitable technology replacement forthe HP 12000 device?

A. Ask the customer on what basis HP sized the HP 12000 Storage Array originally, and make an assessmentfrom that information.

B. Use the Internet to find out the capabilities of an HP 12000 Storage Array and configure an equivalent IBMD58800.

C. Ask the customer for IOSTAT output from the server or servers and use it as an input to a Disk Magicmodel.

D. Ask the customer if they can estimate the workload characteristics.



QUESTION 6A D38870 administrator would access the GUI using:


A. The POWER7 controllerB. A browserC. Only the HMCD. A thick client



QUESTION 7A customer wants to be sure that all the volumes and LUNs associated with a program are copied at aconsistent point in time.Which disaster recovery function does the DS8000 support that this customer wishes to focus on?

A. Consistency GroupsB. Global CopyC. FlashCopy ManagerD. Volume Copy



QUESTION 8Which of the following is true regarding Extent Pools on a D38000?

A. A Fixed Block LUN can span multiple Extent Pools.B. A Fixed Block LUN can have extents from separate ranks within the same Extent Pool.C. A Count Key Data Volume can span multiple Extent Pools.D. A Count Key Data Volume cannot have extents from separate ranks within the same Extent Pool.



QUESTION 9When I/O Priority Manager is enabled, each volume in a D38800 is assigned to a performance group at thetime of the volume creation.What action will the DS8800 take to ensure that the most important volumes as defined to I/O Priority Managerreceive the highest level of system resources available?

A. delay I/Os with lower performance policiesB. invoke Easy Tier for higher performance policy I/OsC. move volumes with higher performance policy I/Os to faster disks or SSDSD. allocate additional cache for volumes with higher performance policies


Explanation/Reference:

QUESTION 10What statement is correct regarding DS8870 Remote Pair FlashCopy?

A. D38700 Remote Pair FlashCopy is initiated using IP network links between the data centers.B. Using DS8870 Remote Pair FlashCopy does not require any existing Metro Mirror license.

C. With DS8870 Remote Pair FlashCopy, the local FlashCopy target is a Metro Mirror source.D. DS8870 Remote Pair FlashCopy is a separate feature code, which must be included on the system order.



QUESTION 11On the DS8870, which of the following drive options is a valid Easy Tier hybrid pool?

A. SLO and eMLO SSDsB. eMLO SSDs and 5,400 RPM drivesC. 7,200 RPM drivesD. 15,000 RPM and 7,200 RPM drives



QUESTION 12As the result of a performance sizing a D38870 system configuration must include 96 x 600 GB 10000 rpmSAS drives, and only 32 GB cache.Which DS8870 system version should to be offered?

A. DS8870 business class configuration including 4 core processorsB. DS8870 enterprise class configuration including 2 core processorsC. DS8870 enterprise class configuration including 4 core processorsD. DS8870 business class configuration including 2 core processors



QUESTION 13A customer is looking to open a new data center and has asked about raised floor requirements toaccommodate cabling for the DS8870.What is the correct response?

A. D38870 power cables can only be connected under the floor as DS8870 always requires a raised floor forcooling purposes

B. Only a DS8870 with business class cabling can have top exit power cablesC. An RPQ is needed to allow top exit cabling for a DSSSJO with any expansion framesD. There is a feature which allows power and EC cables to exit from the top of the DSSS7O frames

Correct Answer: DSection: (none)

Explanation


QUESTION 14A customer has a DS8000 with 100 TB raw capacity’ installed and running in their data center. All storage is foropen systems workloads. There is 30 TB of unused capacity’. There are no Advanced Functions installed, butafter a presentation from the Business Partner they are interested in using FlashCopy to help reduce theirovernight batch window.How can this function be tested in compliance with the DS8000 licensing rules?

A. All Advanced Function software is loaded so it can be used in test mode for 45 daysB. A FlashCopy license for 30 TB is neededC. A FlashCopy license for 100 TB is neededD. Use the DSEA website to request a temporary’ license



QUESTION 15Which of the following statements about the three-site solution Metro z/QS Global Mirror (MzGM) is true?

A. MzGM is a multi-target solution where the primary device is replicated both synchronously andasynchronously

B. MzGM can be managed by GDPS and Tivoli Storage Productively CenterC. MzGM does not support z/Linux data on CKD devicesD. MzGM supports distributed systems data on PB devices



QUESTION 16A System z customer would like confirmation of the actual amount of additional storage capacity they will get ifthey add a drive set of 300 GB 15,000 rpm drives in a RAID 5 configuration.Which tool would be used to provide this information?

A. RMF MagicB. Disk MagicC. ComprestimatorD. Capacity Magic



QUESTION 17With the DSS000, if a customer raises a Severity’ I call with the Hardware or Software Support Center.IBM will work on the call 24 hours a day, seven days a week provided the customer does what?

A. Agrees to attend a daily teleconference and continues to emphasize the importance of the problemB. Supplies all dumps, logs and traces that the device or component in error has producedC. Escalates the problem within IBM to see if this route helps fix the issue firstD. Has people available to work 24 hours a day, seven days a week to match the Support Center’s effort



QUESTION 18A new D58000 mixed mainframe and open storage customer would like to connect older open (2 Gbps) andmainframe servers (4 Gbps) to the DS8000 system’s 8 Gbps host adapters.How can this be done?

A. through the GUI, adjust the required FOP ports for open to 2 Gbps and the FIOON ports for mainframe to 4Gbps link speed

B. the DS8OIJO supports 4 Gbps for mainframe connection; the 2 Gbps open systems connection must beconnected via an intermediate SAN

C. the customer needs to change the server’s HBA5 to an 8 Gbps link speed typeD. the D58000 8 Gbps Host Adapter ports auto-negotiate to 4 Gbps and 2 Gbps link speed



QUESTION 19A customer has submitted an REP for which a DS8870 is the preferred solution to support their VMwareenvironment. They require support for VAAI Extended Copy.What should the technical specialist advise this customer?

A. VAAI is only a host function so any disk subsystem can be consideredB. DS8870 supports the VAAI functionality required by this customerC. A SAN Volume Controller must be proposed along with the DS8870 to provide VAAI supportD. A DS8870 with FlashCopy should be proposed



QUESTION 20A customer wants to add a new DSS8OFJ into a data center that is already in production. How is it possible toverify that the DS8800 is supported into the customer’s SAN and server infrastructure?

A. Check the interoperability matrixB. The D58800 is compatible with every SAN infrastructureC. Check the System Storage Interoperation CenterD. If there are other DS8000 systems in the data center there is no need to check for any compatibility



QUESTION 21Within the IBM disk storage portfolio, which of the following capabilities is unique to the DSS000?

A. Three-site cascaded replicationB. Point-in-time copy with full copyC. Thin provisioning for distributed systemsD. Cache mirroring for all write data from servers



QUESTION 22A customer has a mission-critical application with redundant fabrics. The customer plans to replace older EMCsystem with a DS8870 and a SAN Volume Controller (SVC).Which statement best describes the impact of data migration on the production environment?

A. The production environment does not require an outage.B. The production environment requires an outage to install the SVC.C. The production environment requires an outage to install the D58870.D. The production environment requires an outage to remove the EMC systems.



QUESTION 23A potential D6881J0 customer asks the technical specialist if the D38800 systems provide a point in time copysolution where the FlashCopy volume can logically be pre-configured but no disk space is allocated as long asthere are no updated tracks written.Which D38800 FlashCopy method supports this customer’s requirement?

A. FlashCopy with N000PY optionB. incremental FlashCopyC. dataset FlashCopyD. space efficient FlashCopy



QUESTION 24After initial installation of DSSSOO systems in a customer site a review must be conducted to verify that thedisk system performance is in range.How can the cache hit ratio be verified?

A. Use the DSS000 Real Time Performance MonitorB. Issue the CLI command dscli>verify-perf-read hit-time periodC. Use the pen stat command in the CLID. Use Tivoli Storage Productively Center



QUESTION 25A customer would like to implement an enterprise solution and needs 200 TB usable capacity on a writeintensive workload. They are convinced that 600 GB drives are the optimum size for their business applications.Very limited space is available for additional systems in their data center.Which solution best meets this requirement?

A. XIV Gen3 system with 13 modulesB. Three fully-configured clustered Storwize V7000 systemsC. DS8870 system with one frame and 5% SSD drivesD. DS8870 system with two frames







QUESTION 27A customer has recently decommissioned their DS8700 wants to use the same data center floor space for anew D38 870.What is an important fact for the technical specialist to discuss with the customer as it relates to data centerrequirements?

A. The DS8870 uses more power than the DS8700 so more power cords will need to be ordered.B. The DS8870 uses a different power connector than the D68700 so new cords will need to be supplied.C. Air circulation in the DS8870 has changed and flows back to front so cooling vent locations will need to be

adjusted.D. The rack dimensions on the DS8870 are larger than the D38700 so more floor space will be needed.



QUESTION 28A pre-sales TDA must be done for the sale of a new DS8870. Which document type should be used fordocumenting the review details?

A. The generic STG pre-sales TDA guideB. The IBM System Storage High End Disk Technical and Delivery Assessment (TDA) GuideC. No special document format is required for the review summaryD. The D58870 Technical and Delivery Assessment (TDA) Guide



QUESTION 29What is the purpose of the Power Line Disturbance feature in a D38000?

A. It removes the need for an external generator in case of power failureB. It keeps the disks spinning for up to one hour when there is a power failureC. It increases the time before the DS8000 automatically shuts down in the event of a power failureD. It is required to retain data on SSDs in the event of a power failure



QUESTION 30The customer requires a point-in-time copy solution on a DS8000. Which of the following statements is true?

A. The source and target volumes must be on different drivesets.B. The source and target volumes must be on different drivesets only if a background copy is being used.C. The source and target volumes must be on drives with the same capacity and speed.D. The source and target volumes are totally independent and can be on any drives.



QUESTION 31A potential D68870 customer asks the technical specialist which extent size is used to relocate hot extents fromnormal SAS disk resources to SSDs because they want to understand IBM’s adjustment compared to the otherhigh end disk suppliers.Which is the extent size used for DSS000 Easy Tier data relocation?

A. 256 MBB. 1 GBC. 2 BGD. 8 GB



QUESTION 32The DS Command Line Interface (CLI) of the DS8800 can be used to perform which two of the followingconfiguration actions?1_ Assign RAID ranks to extent pools2_ Install and activate the D68000 storage tier advisor tool3_ Invoke a server failover/fallback4_ Create and assign LUNs to hosts/servers

A. 1 and 2B. I and 4C. 2 and 4D. 3 and 4



QUESTION 33A customer’s IT department has had problems meeting their backup window. They now mandate that a fastbackup process be in place before an application is deployed. They have a DS8000 as their disk subsystemand a TS3500 tape library for backups.What is the simplest and most effective option to satis1i this requirement?

A. Implement TS1 140 drivesB. Implement FlashCopyC. Install Solid state DrivesD. Increase cache size



QUESTION 34The value-based licensing for the Operating Environment License (OEL) is priced based on whatcharacteristics?

A. Disk drive type and raw capacityB. Only the total raw capacityC. Only the amount of usable capacityD. Amount of cache, number of host adapters, usable capacity







QUESTION 36In a DSSSOO controller which components are created during configuration of space-efficient (PTC-SE)storage in an extent pool?

A. Virtual space and repository spaceB. Volume and virtual spaceC. Background copy and target copyD. Source volume and target volume

Correct Answer: ASection: (none)

Explanation


QUESTION 37What is DS8000 Assist On Site (AOS)?

A. AOS is an STG lab services program to assist DSS000 customers onsite for machine performanceimprovements.

B. AOS is a GTS program to assist DS8000 customers for data migration.C. AOS is a program designed to help DS8000 customers support accessing the system remotely through SSL

secure connection.D. AOS is an STG lab services program to assist DSS000 customers perform HDD secure data erase.



QUESTION 38A customer has an existing D68800 which is installed in their data center. It now must have an extra frameadded to support additional capacity growth, but there is no room to fit the expansion frame to the right.Which option should be taken?

A. Fit the expansion frame to the left of the base frameB. Configure the expansion frame with the DS8000 Passthrough feature to allow placement of the frame

anywhereC. Disruptively relocate the D68800 to make space to the right of the base frame for the expansion frameD. Create an MES to replace all of the existing capacity with larger drives which support both the existing

workload and the planned increase



QUESTION 39The DS CLI can be invoked in which three modes?1_ Single-shot command mode2_ Interactive command mode3_ Script command mode4_ Background command mode

A. 1, 2, 3B. 1, 2, 4C. 2, 3, 4D. 1, 3, 4



QUESTION 40A new DS8000 z/OS storage customer needs to configure the DSS000 system’s host adapter ports to BrocadeSAN directors for host access in a Metro Mirror solution.Which protocols must be configured for this system?

A. FICON protocol for both host ports and Metro Mirror connectionB. No action required; the DS8000 auto-negotiates the required protocol without any adjustmentC. FIOON protocol for host ports and FOP for Metro Mirror connectionD. FIOON for FOP for host ports and FOP for Metro Mirror connection



QUESTION 41A customer requires an infrastructure to support disaster recovery of critical applications between two remotedata centers. One data center is in Tokyo and one is in Beijing. The customer’s Recovery Point Objective(RPO) requires a six-hour window for a bandwidth of 100 MB/s and a new storage system for a total of 4 TB ofdata. They estimate 100 MB of new data produced hourly.What data synchronization method would be recommended to meet the requirements?

A. Metro MirrorB. FlashCopyC. Global MirrorD. Snapshot



QUESTION 42A customer has a UNIX-based 25 TB Oracle/SAP instance currently running on an HP 12000 EnterpriseStorage array. The database is very sensitive to response times and is reported to have a peak I/O requirementof over 25,000 I/O per second. The HP device is nearly three years old, and the customer is consideringreplacing it.Which of the following is the best way to investigate the IBM DS8000 as a suitable technology replacement forthe HP 12000 device?

A. Ask the customer on what basis HP sized the HP 12000 Storage Array originally, and make an assessmentfrom that information.

B. Use the Internet to find out the capabilities of an HP 12000 Storage Array and configure an equivalent IBMD58800.

C. Ask the customer for IOSTAT output from the server or servers and use it as an input to a Disk Magicmodel.

D. Ask the customer if they can estimate the workload characteristics.



QUESTION 43Which statement is true of the Easy Tier feature on DS8000?

A. It handles data in 256 MB chunks.B. It is a priced feature by terabytes used.C. It will operate in a homogeneous pool.D. It requires SSDs to be added to a heterogeneous pool to operate.



QUESTION 44A customer wants to collect performance data from a newly installed IBM System Storage DSS700 todetermine if the system meets expected benchmarks using their application test data.Which tool best gathers the performance data?

A. IBM DS Storage ManagerB. Tivoli Storage Resource ManagerC. Tivoli Storage Productivity Center V5.1D. Tivoli Storage Productivity Center for Data



QUESTION 45A customer already has a D38000 with RAID 10 protection for their production data. They want to implementNL-SAS drives in the same DS8000 for archive data.Which disk protection should be used for this and why?

A. RAID 0 because archive data isn’t mission critical and they should use tape backupB. RAID 5 because data on these drives is less critical than the production dataC. RAID 6 because the time to rebuild NL-SAS drives would leave the array exposed for a long time after a

single disk failureD. RAID 10 because this is the only protection supported for NL-SAS drives



QUESTION 46A mainframe customer would like to receive a proposal for a mainframe storage system with 120 TB rawcapacity. The mainframe server load is not too high, and they need drives with the lowest possible powerconsumption to keep operating costs low. The customer will not increase the capacity of their mainframeapplications in the future but rather invest later into their Power servers.Which of the following solutions best meets these requirements at the lowest cost?

A. Offer a DS8870 with the largest available capacity EC drivesB. Offer a DS8870 with standard cabling and the largest available capacity SAS drivesC. Offer a DS8870 with business class cabling and the largest available capacity SAS drivesD. Offer a DS8870 with the largest available capacity SATA drives



QUESTION 47A customer is planning to implement a new DS8000. They want to keep management of the DS8000 to aminimum. Which is the preferred method for allocating volumes to assist with this?

A. Rotate Extents to allow granular placement of extents across multiple ranksB. Rotate Arrays to allow optimum placement of arrays in the DSS000C. Rotate Ranks to allow random positioning of ranks across arraysD. Rotate Volumes to allow volumes to fill ranks sequentially



QUESTION 48A potential DS8870 customer knows that RAID 5 works much faster and is more capacity-efficient than RAID 6,but they fear for double disk failures due to high rebuild times at large disk sizes.How should the technical specialist address this concern?

A. Suggest configuring large storage pools with multiple RAID 5 arrays.B. Discuss the DSS000 Smart Rebuild function with the customer.C. Discuss how additional hot spares can be configured per device adapter pair.D. Explain RAID 6 is the only applicable solution.



QUESTION 49How many Tivoli Key Lifecycle Manager servers are required to implement encryption on the DS8000?

A. 1B. 2C. 3D. 4



QUESTION 50A Business Partner has been successful in selling a relatively small DSSSOO into an engineering company. Itis the engineering company’s first purchase of IBM hardware.Who is responsible for ensuring the pre-install TDA is completed?

A. IBM Maintenance and Technical SupportB. IBM Tec lineC. Business PartnerD. IBM Lab Services



QUESTION 51How many Global Mirror sessions are supported on a single DSSSOO?

A. 1B. 16C. 32D. 256



QUESTION 52Who is entitled to perform an IBM Secure Data Overwrite of a DSSS7O?

A. Field Support PersonnelB. CustomersC. Business PartnersD. STG Lab Services



QUESTION 53The customer’s data center has an elevator with a maximum load capacity’ of 2200 lb (1000 kg). A Disk Magicstudy has proved that the performance requirements of the workload are at Enterprise class levels.What should be recommended?

A. A standard D68800. The Customer Engineer can then remove parts until the elevator load capacity’ is notexceeded.

B. Redesign the solution to use modular systems, like IBM Storwize V7000, which could be delivered in lightershipments.

C. Configure the feature code on DS8800 which allows a shipping weight reduction.D. Order a DS8800 with minimal disks and then MES upgrade with additional capacity’ to the customer’s

requirements.



QUESTION 54What factor in the architecture of the DSS000 allows for concurrent microcode updates to be performed?

A. Control-unit Initiated Reconfiguration supportB. Subsystem Device DriversC. Call Home and Dial-in supportD. Built-in redundancy



QUESTION 55Which statement about I/O Priority Manager on the DS8000 is true?

A. It needs at least two tiers of disks to workB. It can be more granular on z/OS than any other operating systemC. It allocates cache on 4K boundaries to improve performanceD. It can interface with VMware VAAI primitives to improve performance



QUESTION 56Which of the following items would suggest that the use of space efficient FlashCopy for the Global Mirror

secondary volume could present an issue?

A. The customer is using Tivoli Storage Productivity Center for Replication to manage Global MirrorB. The workload has a large amount of heavy sequential write activityC. There is a long distance between the primary and secondary sitesD. There are multiple primary disk subsystems in the Global Mirror session



QUESTION 57A potential D6881J0 customer asks the technical specialist if the D38800 systems provide a point in time copysolution where the FlashCopy volume can logically be pre-configured but no disk space is allocated as long asthere are no updated tracks written.Which D38800 FlashCopy method supports this customer’s requirement?

A. FlashCopy with N000PY optionB. incremental FlashCopyC. dataset FlashCopyD. space efficient FlashCopy



QUESTION 58Which tool can a customer use without assistance to determine whether a mixture of different disk types, inconjunction with Easy Tier, could improve performance on a DS8000?

A. Disk MagicB. Capacity MagicC. Pre-Sales AdvisorD. Storage Tier Advisor



QUESTION 59Which of the following statements about remote replication on the D38000 is true?

A. Global Copy does not provide consistencyB. Global Mirror has a maximum of 256 volumesC. Metro Mirror’s longest supported distance is 100 kilometersD. Metro/Global Mirror can only be used for z/OS data



QUESTION 60What term is used when defining a single IBM DS8000, including the base frame plus additional installedexpansion frames?

A. Storage UnitB. Storage SubsystemC. Storage EnvironmentD. System Storage Productivity Center



QUESTION 61The DS8000 supports over 90 server platforms. Where is the most current and up-to-date list of supportedplatforms found?

A. System Storage Interoperation CenterB. DS8000: Architecture and Reference GuideC. Interoperability listing on www.storage.ibm.comD. DS8000: Host Attachment and Interoperability Manual


Explanation/Reference:ibm

QUESTION 62To balance performance and cost, what is the recommended percentage of SSDs in an Easy Tier environmenton a DS8000 in most customer environments?

A. 3-5%B. 8-10%C. 33% (2 to 1 ratio of hard drives to SSD)D. 50% (balanced workload of SSD and hard drives)



QUESTION 63A customer wishes to implement I/O Priori ty Manager on a DS8000 but is concerned about the ability to isolate"high performance" quality of service to a single key open system application.How should the technical specialist respond?

A. High Priority can be isolated to volumesB. High Priority can be isolated to the applicationC. High Priority can be isolated to host portsD. High Priority can be isolated to servers



QUESTION 64When deciding what the requirements are for DS8000 Advanced Functions, what is the best source for detailedinformation on license requirements?

A. Sales ManualB. Disk Storage Functional Authorization (DSFA) websiteC. eConfigD. Capacity Magic



QUESTION 65During a DS8870 installation review it turns out that the customer requires a top of rack installation for theDS8870 system's power cords. Which technical solution is required to meet the customer's requirement?

A. Install power line cords on right side of DS8870 rack outside from bottom to top of the rackB. the DS8870 machine configuration needs to include a top exit power cord feature codeC. DS8870 power cords must always be installed through the bottom side of the DS8870

framesD. issue a IBM SCORE/RPQ request to get approval for a special solution }



QUESTION 66The exhibit represents the IBM System Storage DS GUI.Which icon is selected to access Disk Encryption information?

A. aB. bC. cD. d


Explanation/Reference:IBM (icons - gear)

QUESTION 67When configuring the storage on a DS8000, which of the following statements is true?

A. Individual disks for RAID groups can be selected from a list in the GUI or CLI.B. Volumes cannot be expanded once created. C. Extent size is defined when the Extent Pool is created.D. Volumes are created from 1 GB extents.



QUESTION 68A DS8800 customer would like to implement synchronous remote mirroring on an DS8800 using their existingdark fibre infrastructure between the two data centers. The related Disk Magicmodel shows a very high expected replication rate between the two DS8800 systems. Which technical aspect needs most to be considered during implementation?

A. as long as there are configured separated ports for replication, no risk of insufficient bandwidth existsB. the DS8000 Metro Mirror synchronization speed should be adjusted in the GUI to the highest possible valueC. ensure sufficient bandwidth is available in the dark fibre linksD. configure FICON links for replication because these are faster



QUESTION 69A customer in the financial sector is buying a new DS8870. They have strict regulations about data protection. Which of the following applies to DS8870 encryption?

A. NL-SAS and SSD drives can not be encryptedB. if data encryption is chosen, all volumes in the DS8870 must be encryptedC. a customer can choose whether to encrypt some volumes but not others by creating different Encryption

GroupsD. a customer can choose to move non-disruptively between encryption and non-encryption on a volume by

volume basis



QUESTION 70As with all types of technology. System z software occasionally needs to have maintenance applied to it to fixerrors or to support enhanced functionally.In the System z environment, this maintenance is known as:

A. Service Level setsB. APAR5 and PTE5C. MLs and Patches D. Non-disruptive Code Loads




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