6. Describe each of the following concept using the following table. Then using

Question

6. Describe each of the following concept using the following table. Then using the previous table match the concept to the most appropriate advantage of z/Enterprise mainframes, e.g., Reliability, Security, Compatibility, etc.

Z/Enterprise Concept

Description

Appropriate Category of z/Enterprise Advantage

Evaluation Assurance Level 5 (EAL5)

Hot replacement of Processor components

Sysplex

Hardware Encryption

Virtualizing Linux Servers

Single workloads versus balanced workloads

Redundant Hardware Components

MTBF

7. Describe and provide an example of Batch Processing? Answer:

8. Describe and provide an example of Transaction Processing (Online Transaction Processing - OLTP). Answer:

9. List the advantages and disadvantages of Batch Processing using the following table.

Batch Processing

Advantages

Disadvantages

10. List the advantages and disadvantages of Transaction Processing (OLTP) using the following table.

Transaction Processing (OLTP)

Advantages

Disadvantages

9. What operating component of the Z/OS manages batch processing? Answer:

10. Historically, the only interface to manage and execute jobs on an IBM operating system was keypunch cards. The popular online interface to access IBM operating systems, manage jobs, perform system program tasks is called? Answer:

11. What is the z/OS component that provides OLTP processing services for user transactions, e.g., inquiry to account balances, adding employee information into a database, etc. using legacy programming languages, e.g., COBOL?   Answer:

Z/Enterprise Concept

Description

Appropriate Category of z/Enterprise Advantage

Evaluation Assurance Level 5 (EAL5)

Hot replacement of Processor components

Sysplex

Hardware Encryption

Virtualizing Linux Servers

Single workloads versus balanced workloads

Redundant Hardware Components

MTBF

Explanation / Answer

Answer to question Number 6:

Z/Enterprise Concept Description Appropiate category of z enterprise advantage Evaluation Assurance Level 5 It heps a developer gain maximum assurance from security engineering which is dependent upon rigorous commercial development practices supported by an application of specialist security engineering technique. Security Hot replacement of processor Components Hot replacement is a technique which is basically described as replacing or adding components without stopping or shutting down the system. If we have an appropriate software installed on the computer, a user can plug and unplug such processor components without rebooting. Compatibility Sysplex Sysplex is IBM system product which acts as a platform for MVS/EA operating systems for IBM main frame servers.It consists of the multiple computers which acts as the complex. A sysplex is designed to be a solution for business. Reliability Hardware Encryption It uses computer hardware to support its software,which may be by replacing its software to support data encryption.Its implemention is done as a part of processors instruction set. Security Virtualising linux servers. Linux server virtualization is the running of one or more virtual machines on a physical server which is running Linux operating system. The servers running virtualization software are able to host applications whch may run on different operating systems by using a single hardware platform as the foundation. Compatibility. Single workload vs Balanced Workload Single workload refers to acquiring the whole workpressure,effort and working of workplace on a single server. This strategy is termed as risky,as crashing of a system can crash down all the systems in a workplace. Balanced workload is splitting of workpressure,effort and working of workplace on more than one servers. It is more affordable and reliable than the single workload system. Balanced Workplace is more secure,reliable and compatible than single workplace. Redudant Hardware Components. It is defined as duplication of critical hardware components of a system with the intention of increasing reliability of the system, usually in the form of a backup or fail-safe, or to improve actual system performanceex: multi-threaded computer processing. Reliability and Security. MTBF Mean time between failure (MTBF) refers to the average amount of time that a device or product functions before failing. It only includes operational time between failures and ignores other times such as repair times. Reliability

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