C1000-038 Online Practice Questions and Answers

Which of the following best describes the term "RPO"?

A. The point at which the data is in a consistent state at both the primary and the backup sites.

B. The point at which the business declares a disaster.

C. The point at which GDPS software begins automatic failover.

D. The point at which the age of data at the backup site is acceptable.

Intel marketing argues that their chip-based encryption is equivalent to IBM Z Systems capability.

As it relates to Pervasive Encryption, which of the following statements most accurately counters this Intel-centric claim?

A. Coupling IBM Pervasive Encryption with Intel encryption is sufficient as Intel exploitation requires no application changes

B. Intel encryption requires application changes

C. Intel encryption established parity with the IBM Z High Performance Bulk Data Encryption capability

D. IBM Pervasive Encryption leverages Full Disk Encryption (FDE) within their Intel servers

A client has a production data center and disaster recovery data center separated by more than 300 km.

What level of recovery can they achieve by using GDPS/GM (Global Mirror)?

A. RPO = 0, RTO = 0

B. RPO = 0, RTO > 0

C. RPO > 0, RTO = 0

D. RPO > 0, RTO > 0

Which of the following is used to consolidate host channels on an IBM z14?

A. CFSIZER tool

B. FICON Aggregation analysis

C. Fit for Purpose study

D. zBNA tool

A customer is running a z14-702 with two zIIPs. They started noticing that the zIIP utilization during peak hours was averaging about 85% due to a new Java application. After examining RMF, they realized that during these periods, much zIIP eligible work was overflowing to the general purpose CPs, causing them to also run over 90% for considerable periods of time.

They have a limited budget for new equipment. After reading about Simultaneous Multithreading (SMT), they think they can solve their problem by turning SMT on instead of purchasing either another GP, a zAAP, or a third zIIP in order to get more throughput.

What must they consider before making the decision to turn on SMT or purchasing another processor?

A. Adding a third General Purpose processor and a zIIP is the only solution that will eliminate both problems.

B. Adding a zIIP cannot be done because a 702 with two General Purpose CPs can only have two zIIP Processors.

C. If there is a large amount of Java work, adding a zAAP would substantially reduce the zIIP utilization and free up the zIIPs to handle workloads that are specifically zIIP eligible.

D. Turning on SMT, while providing more zIIP throughput, could affect the zIIP intensive workloads performance negatively.

A client wants to add the Live Guest Relocation (LGR) feature to their IBM Z environment. Which of the following actions supports this requirement?

A. Enabling Single System Image (SSI) on z/OS v2.3 or newer

B. Applying the latest APAR to z/VM v5.4

C. Enabling Security Server on z/OS

D. Enabling Single System Image (SSI) on z/VM v6.4 or newer

A z13s customer is excited about the prospect of acquiring a z14 ZR1. They are very interested in the 16U Reserved component space within the z14 ZR1 CPC.

Which of the following is a limiting factor when proposing the 16U Reserved feature?

A. A maximum of two I/O drawers can be ordered.

B. The space is reserved for the IBM DS8882F.

C. Top Exit I/O cannot be ordered.

D. No three phase power is available.

How was zBNA improved to support the latest driver level for the z14 server (GA2 in October 2018)?

A. z/OS Coupling Facility Structure Encryption support

B. PCle Express Gen3 Coupling Express Long Reach support

C. zHyperLink write support

D. FICON Channel Aggregation

A security administrator would like to know more details about Coupling Facility Encryption. Their main concern is with Coupling Facility CPU overhead once encryption has been implemented.

Which ICF overhead consideration is associated with Coupling Facility Encryption?

A. Overhead is dependent on the number and type of structures to be encrypted.

B. Encryption is z/OS based and will not impact Coupling Facility overhead.

C. A Pervasive Encryption assessment can determine the overhead.

D. Once ICA links are implemented, overhead will not be impacted.

A customer currently owns a z13s. The customer decides to purchase a z14 ZR1 and connect it to the z13s in a Parallel Sysplex. The two IBM Z machines will be 200 meters apart.

Which sysplex connectivity proposal is correct?

A. Add ICA SR links to the z13s and order ICA SR on the z14 ZR1.

B. Add IFB 1X links to the z13s and order CE LR links on the z14 ZR1.

C. Add IFB 1X links to the z13s and order IFB 1X links on the z14 ZR1.

D. Add CE LR links to the z13s and order CE LR links on the z14 ZR1.