ISA offers a variety of resources to help you prepare for the Certified Automation Professional (CAP^®) exam.

Primary Textbook

A Guide to the Automation Body of Knowledge is the primary text resource for the CAP exam and provides a complete overview of all technical topics. Order the Guide to the Automation Body of Knowledge.

Study Guide

The CAP Study Guide is a comprehensive self-study resource that contains a list of the CAP domains and tasks, 75 review Braindumps complete with justifications. References that were used for each study guide question are also provided with the question. The Study Guide also includes a recommended list of publications that you can use to do further study on specific domains. Order the CAP Study Guide.

Review Courses

A CAP review course is available in several formats as preparation for taking the certification exam. This course is offered by ISA and can also be offered at your location.

ISA also has a variety of training courses that would be helpful in preparing for CAP. Visit the Automation Professional Training page for a complete list.

Additional Resources

Exam Topics

1. Basic Continuous Control: Process Instrumentation, Analytical Instrumentation, Continuous Control, Control Valves, Analog Communications, Control System Documentation, Control Equipment
2. Basic Discrete, Sequencing, and Manufacturing Control: Discrete Input & Output Devices and General Manufacturing Measurements, Discrete and Sequencing Control, Motor and Drive Control, Motion Control
3. Advanced Control Topics: Process Modeling, Advanced Process Control, Control of Batch Processes, Environmental, Environmental Monitoring, Building Automation
4. Reliability, Safety, and Electrical: Alarm Management, Reliability, Process Safety and Safety Instrumented Systems, Electrical Installations, Safe Use and Application of Electrical Apparatus
5. Integration and Software: Digital Communications, Industrial Networks, Manufacturing Execution Systems and Business Integration, System and Network Security, Operator Interface, Data Management, Software, Custom Software
6. Deployment and Maintenance: Operator Training, Checkout, System Testing, and Startup, Troubleshooting, Maintenance, Long-Term Support and System Management
7. Work Structure: Automation Benefits and Project Justifications, Project Management and Execution, Interpersonal Skills

CAP trial Questions

Questions on the exam were derived from the actual practice of automation professionals as outlined in the CAP Role Delineation Study and job task analysis. Using interviews, surveys, observation, and group discussions, ISA worked with automation professionals to delineate critical job components to develop exam specifications to determine the number of questions related to each domain and task tested. This rigorous program development and ongoing maintenance process ensures that CAP certification accurately reflects the skills and knowledge needed to excel as an automation professional.

The following six questions were taken from the CAP exam question item bank and serve as examples of the question type and question content found on the CAP exam.

1. The method by which the tasks and hazards associated with a machine or process are analyzed is known as:
   • A. Risk assessment.
   • B. Machine assessment.
   • C. Risk reduction.
   • D. Risk abatement.
2. To test controller tuning or prototype new control strategies offline, the model should be a(an):
   • A. Tie-back (loopback) simulation.
   • B. Artificial neural network.
   • C. Dynamic process simulation.
   • D. Steady state process simulation.
3. The temperature measurement with the BEST repeatability and resolution is the:
   • A. Thermocouple.
   • B. Resistance temperature detector (RTD).
   • C. Dial thermometer.
   • D. Capillary system.
4. Which of the following is NOT a variable speed drive setup parameter?
   • A. Acceleration rate.
   • B. Motor winding type.
   • C. Output frequency.
   • D. Maximum speed.
5. A complete test plan for system integration testing MUST include:
   • A. Comments for the application programmer.
   • B. Multiple test cases for each mode of operation.
   • C. At least five test cases for each test.
   • D. Expected results for each test case.
6. Frequency of maintenance should be determined by:
   • A. Failure rates of components.
   • B. Availability of personnel and parts.
   • C. Management targets for efficiency and productivity.
   • D. Effectiveness of maintenance personnel.

Sample Questions Answer Key

Savvy, talented and knowledgeable database professionals are always in demand. This article covers some of the best, most in-demand certifications for database administrators, database developers and anyone else who works with databases. 

During the past three decades, we’ve seen a lot of database platforms come and go, but there’s never been any question that database technology is a crucial component for all kinds of applications and computing tasks. 

Database certifications may not be as sexy or bleeding-edge as cloud computing, storage, or computer forensics. That said, there has been and always will be a need for knowledgeable database professionals at all levels and in a plethora of database-related job roles. 

To get a better grasp of the available database certifications, it’s useful to group these certs around job responsibilities. In part, this reflects the maturity of database technology and its integration into most aspects of commercial, scientific and academic computing. As you read about the various database certification programs, keep these job roles in mind: 

• Database administrator (DBA): Responsible for installing, configuring and maintaining a database management system (DBMS). Often tied to a specific platform such as Oracle, MySQL, DB2 or SQL Server. 

• Database developer: Works with generic and proprietary APIs to build applications that interact with a DBMS (also platform-specific, like DBA roles).
• Database designer/database architect: Researches data requirements for specific applications or users, and designs database structures and application capabilities to match.
• Data analyst/data scientist: Responsible for analyzing data from multiple disparate sources to discover previously hidden insight, determine meaning behind the data and make business-specific recommendations.
• Data mining/business intelligence (BI) specialist: Specializes in dissecting, analyzing and reporting on important data streams, such as customer data, supply chain data, and transaction data and histories.
• Data warehousing specialist: Specializes in assembling and analyzing data from multiple operational systems (orders, transactions, supply chain information, customer data, etc.) to establish data history, analyze trends, generate reports and forecasts, and support general ad hoc queries. 

Careful attention to these database job roles highlights two important technical issues for would-be database professionals to consider. 

First, a good general background in relational database management systems, including an understanding of Structured Query Language (SQL), is a basic prerequisite for database professionals of all stripes. 

Second, although various efforts to standardize database technology exist, much of the whiz-bang capability that databases and database applications deliver come from proprietary, vendor-specific technologies. Serious, heavy-duty database skills and knowledge are tied to specific platforms, including various Oracle products (such as the open-source MySQL environment and Oracle itself,) Microsoft SQL Server and IBM DB2. That’s why most of these certifications relate directly to those enormously popular platforms. 

It’s important to note that NoSQL databases – referred to as “not only SQL” and sometimes “non-relational” databases – handle many different types of data, such as structured, semi-structured, unstructured and polymorphic. NoSQL databases are increasingly used in big data applications, which tend to be associated with certifications for data scientists, data mining and warehousing, and business intelligence. Although there is some natural overlap, for the most part, we cover those certs in our annually updated “Best Big Data Certifications.” 

Before you look at our featured certifications in detail, consider their popularity with employers. The results of an informal search on several high-traffic job boards show which database certifications employers look for most when hiring. Though these results vary from day to day (and by job board), such numbers provide a useful perspective on database certification demand in current job listings.

Job board search results (in alphabetical order by certification)*

*See our complete methodology for selecting top five certifications in the “Best Certifications” series.

**Combined totals for MCSA: SQL Database Administration (540), MCSA: SQL Database Development (569), MCSE: Data Management and Analytics (640) and MTA: Database (503).

If the sheer number of available database-related positions isn’t enough motivation to pursue a certification, consider average salaries for database administrators. SimplyHired reports $86,415 as the national average in the U.S., in a range from $60,960 to over $128,000. Glassdoor’s reported average is somewhat higher at $93,164, with a top rung for experienced, senior DBAs right around $135,000.

Top 5 database certifications

Now let’s look at the details of our top five database certification picks for 2020.

1. IBM Certified Database Administrator – DB2

IBM is one of the leaders in the worldwide database market by any objective measure. The company’s database portfolio includes industry standard DB2, as well as IBM Compose, Information Management System (IMS), lnformix, Cloudant and IBM Open Platform with Apache Hadoop. IBM also has a long-standing and well-populated IT certification program, which has been around for more than 30 years and encompasses hundreds of individual credentials. 

After redesigning its certification programs and categories, IBM’s major data-centric certification category is called IBM Data and AI, which includes a range of database credentials: Database Associate, Database Administrator, System Administrator, Application Developer and more. It’s a big and complex certification space, but one where particular platform allegiances are likely to guide readers straight to the handful of items that are relevant to their interests and needs. 

Database professionals who support DB2 (or aspire to) on Linux, Unix or Windows should check out the IBM Certified Database Administrator – DB2 certification. It’s an intermediate credential that addresses routine administration, basic SQL, and creation of databases and database objects, as well as server management, monitoring, availability and security. 

This certification requires candidates to pass two exams. Pre-exam training is recommended but not required.

IBM Certified Database Administrator – DB2 facts and figures

2. Microsoft SQL Server database certifications 

SQL Server offers a broad range of tools and add-ons for business intelligence, data warehousing and data-driven applications of all kinds. That probably explains why Microsoft offers database-related credentials at every level of its certification program. 

Microsoft has taken significant steps over the last year to change its certification program from technology-focused to role-centric, centered on the skills one needs to be successful in specific technology jobs. With these changes in mind, Microsoft now identifies four job tracks in its certification program: Developers, Administrators, Solution Architects and Functional Consultants. You will find a wide variety of skills and technologies within each of those categories, but we’ll concentrate below on the company’s SQL Server certifications.

MTA: Database Fundamentals

The MTA program includes a single database-related exam: Database Fundamentals (98-364). This credential is ideal for students or as an entry-level cert for professionals looking to segue into database support.

MCSA

Microsoft offers several SQL-related credentials at the Microsoft Certified Solutions Associate (MCSA) level:

• MCSA: SQL Server 2012/2014 (three exams)
• MCSA: BI Reporting (two exams)
• MCSA: SQL 2016 BI Development (two exams)
• MCSA: SQL 2016 Database Administration (two exams)
• MCSA: SQL 2016 Database Development (two exams)

MCSE

There is one SQL database credential at the Microsoft Certified Solutions Expert level: Data Management and Analytics. This certification has the MCSA as a prerequisite (a list of valid items follows in the table) and then requires passing one elective exam.

Microsoft SQL Server database certification facts and figures

3. Oracle Certified Professional, MySQL 5.7 Database Administrator 

Oracle runs its certifications under the auspices of Oracle University. The Oracle Database Certifications page lists separate tracks for Database Application Development (SQL and PL/SQL), MySQL (Database Administration and Developer) and Oracle Database (versions 12c, 12c R2, and 11g, and Oracle Spatial 11g). 

MySQL is perhaps the leading open-source relational database management system (RDBMS). Since acquiring Sun Microsystems in 2010 (which had previously acquired MySQL AB), Oracle has rolled out a paid version of MySQL and developed certifications to support the product. 

A candidate interested in pursuing an Oracle MySQL certification can choose between MySQL Database Administration and MySQL Developer. The Oracle Certified Professional, MySQL 5.7 Database Administrator (OCP) credential recognizes professionals who can install, optimize and monitor MySQL Server; configure replication; apply security; and schedule and validate database backups. 

The certification requires candidates to pass a single exam (the same exam can be taken to upgrade a prior certification). Oracle recommends training and on-the-job experience before taking the exam.

Oracle Certified Professional, MySQL 5.7 Database Administrator facts and figures

4. Oracle Database 12c Administrator

Most Oracle DBMS credentials require candidates to attend authorized training classes to qualify for the related exam, but MySQL (and Sun-derived) credentials often do not. Oracle certifications also represent a true ladder, in that it is generally necessary to earn the associate-level credentials first, professional-level credentials second and master-level credentials third, culminating with the expert level. 

Oracle Database 12c R2 is the latest version, which includes enhancements to Oracle Database 12c. Oracle 12c certifications are currently offered at the associate, professional and master levels. 

A Foundations Junior Associate certification (novice level) is also available for Oracle Database 12c, as are three specialist designations: the Implementation Specialist, the Oracle Database Performance and Tuning 2015 Certified Implementation Specialist, and the Oracle Real Application Clusters 12c Certified Implementation Specialist. 

Available expert-level credentials include the Oracle Certified Expert; Oracle Database 12c: RAC and Grid Infrastructure Administrator; Oracle Database 12c Maximum Availability Certified Expert; Oracle Certified Expert; Oracle Database 12c: Data Guard Administrator; Oracle Certified Expert; and Oracle Database 12c: Performance Management and Tuning. Oracle still offers 11g certifications as well. 

Note: Although premium support for Oracle 11g Database ended on Dec. 31, 2014, extended support lasts until December 2020, so it’s probable that Oracle Database 11g will remain in use for the short term. 

We focused on requirements for Oracle Database 12c certifications. One important consideration is that Oracle 11g is forward-compatible with Oracle 12c, but Oracle 12c is not backward- compatible with the prior version. Because Oracle 12c is a newer version, IT professionals with Oracle 11g certifications should consider upgrading their 11g credentials.

Oracle Database 12c Administrator facts and figures

5. SAP HANA: SAP Certified Technology Associate – SAP HANA (Edition 2016)

SAP SE has a large portfolio of business application and analytics software, including cloud infrastructure, applications, and storage. The foundation of the SAP HANA platform is an enterprise-grade relational database management system, which can be run as an appliance on premises or in the cloud. The cloud platform enables customers to build and run applications and services based on SAP HANA. 

SAP offers a comprehensive certification program, built to support its various platforms and products. We chose to feature the SAP Certified Technology Associate – SAP HANA cert because it aligns closely with other certifications in this article and is in high demand among employers, according to our job board surveys. This certification ensures that database professionals can install, manage, monitor, migrate and troubleshoot SAP HANA systems. It covers managing users and authorization, applying security, and ensuring high availability and effective disaster recovery techniques. 

SAP recommends that certification candidates get hands-on practice through formal training or on-the-job experience before attempting this exam. The SAP Learning Hub is a subscription service that gives certification candidates access to a library of learning materials, including e-learning courses and course handbooks. The annual subscription rate for individual users on the Professional certification track is $3,048. This online training program is designed for those who run, support or implement SAP software solutions. Though this may seem like a steep price for online training, you will likely be able to pass any SAP certification exams you put your mind to by leveraging all of the learning resources available to SAP Learning Hub Professional subscribers. 

Typically, SAP certifications achieved on one of the two most accurate SAP solutions are considered current and valid. SAP contacts professionals whose certifications are nearing end of life and provides information on maintaining their credentials.

SAP Certified Technology Associate facts and figures

Beyond the top 5: More database certifications

Besides the ones mentioned in this article, other database certification programs are available to further the careers and professional development of IT professionals who work with database management systems. 

While most colleges with computer science programs offer database tracks at the undergraduate, master and Ph.D. levels, there are few well-known vendor-neutral database certifications. The Institute for the Certification of Computing Professionals (ICCP) is part of this unique group, offering its Certified Data Professional and Certified Data Scientist credentials. Find out more about ICCP certifications here. 

EnterpriseDB administers a small but effective certification program, with two primary certs: the EDB Certified Associate and the EDB Certified Professional. PostgreSQL was the fourth-ranked relational database management system in October 2019, according to DB-Engines. 

Credentials from Google, MarkLogic, Teradata and SAS may also be worth considering. All of these credentials represent opportunities for database professionals to expand their skill sets – and salaries. However, such niches in the database certification arena are generally only worth pursuing if you already work with these platforms or plan to work for an organization that uses them. 

Ed Tittel

Ed is a 30-year-plus veteran of the computing industry, who has worked as a programmer, a technical manager, a classroom instructor, a network consultant, and a technical evangelist for companies that include Burroughs, Schlumberger, Novell, IBM/Tivoli and NetQoS. He has written for numerous publications, including Tom’s IT Pro and GoCertify, and is the author of more than 140 computing books on information security, web markup languages and development tools, and Windows operating systems. 

Earl Follis

Earl is also a 30-year veteran of the computer industry, who has worked in IT training, marketing, technical evangelism, and market analysis in the areas of networking and systems technology and management. Ed and Earl met in the late 1980s when Ed hired Earl as a trainer at an Austin-area networking company that’s now part of HP. The two of them have written numerous books together on NetWare, Windows Server and other topics. Earl is also a regular writer for the computer trade press, with many e-books, whitepapers and articles to his credit.

More than 20 years after Linus Torvalds developed Linux, the operating system remains a force in the computing industry. While Linux is not widely used on desktops (making up just over 2.4% of the overall desktop operating system market share in January 2019, according to NetMarketShare), it is extraordinarily strong on the web server side, where it enjoys a market share of almost 54%.

IT professionals invest considerable time learning about server computing for everything from installation, configuration, maintenance and virtualization to application support and security. This also means that many IT professionals are working with and around Linux operating systems daily, often alongside Windows and various UNIX OS brands as well.

The best of the Linux certifications vie for considerable mindshare among IT professionals and present an interesting mix of distribution- or brand-agnostic credentials alongside some pretty formidable vendor-specific credentials. There are multiple well-elaborated certification ladders available to those interested in learning, using, and mastering the Linux operating system environment and all the many bells and whistles it supports.

The results of a job search we conducted on several popular job posting sites show which Linux certifications employers are looking for when hiring new employees. While results vary from day to day (and job board to job board), this table reflects those Linux-related certifications that employers were seeking in the U.S.

Job Board Survey Results (in alphabetical order, by certification)

We found that for nearly every certification category listed above, the number of national jobs postings mentioning that certification has increased, in some cases substantially, since we surveyed the same job sites a year ago. Linux system administrators and engineers can expect average earnings in the low $70s and upward, depending on the job role. PayScale lists $70,194 as the average salary for Linux system administrators ($52,000/low and $101,000/high). Glassdoor reports earnings for Linux system administrators averaging $68,884, Linux system engineers at $99,348 and senior Linux system engineers at $122,071.

GCUX: GIAC Certified Unix Security Administrator

The Global Information Assurance Certification (GIAC) program is part of SANS, a highly regarded source of instruction and research in the information security field. SANS also provides breaking news, operates a security alert service and serves on all kinds of government, research and academic information security task forces, working groups and industry organizations.

The SANS GIAC program encompasses 37 information security certifications across several categories, such as cyber defense, penetration testing, incident response and forensics, management, audit, legal, developer and industrial control systems. The GIAC Certified UNIX Security Administrator (GCUX) falls under its Cyber Defense category, and aims at professionals who install, configure, monitor, secure and audit both Unix and Linux systems.

GIAC certifications must be renewed every four years by earning 36 continuing professional experience (CPE) credits. Also, credential holders must pay a certification maintenance fee of $429 every four years.

GCUX Facts & Figures

Linux+ (CompTIA Linux+ Powered by LPI)

CompTIA exercises extraordinary certification clout at the entry level in many IT niches. This nonprofit has shown itself as willing to team up with more focused IT organizations, associations and consortia to combine their own market reach and visibility with niche smarts and subject matter expertise on loan from various partners.

One great example is the organization’s partnership with the Linux Professional Institute (LPI), which resulted in the CompTIA Linux+ Powered by LPI credential. This unique certification replaced the original CompTIA Linux+ certification in 2010 and uses the same two exams required for LPIC-1 certification.

As a result of this partnership, IT professionals who are serious about Linux can earn both the Linux+ credential and the LPIC-1 at the same time. Candidates must first earn the Linux+ credential and then submit a request to CompTIA asking that their results be sent to LPI to obtain the LPIC-1 certification. CompTIA exam records are confidential, so candidates must request that their records be forwarded to LPI when taking the CompTIA Linux+ Powered by LPI exams.

Earning the CompTIA Linux+ Powered by LPI requires candidates to pass two exams. The first covers system architecture, installation and package management, GNU and Unix commands, devices, file systems and standard file system hierarchies. The second exam digs into command shells, scripting and data management, user interfaces and desktops, administrative tasks and activities, basic system services, networking fundamentals and security topics. The CompTIA Linux+ Beta exam (XK1-004) closed as of October 22, 2018, though candidates who took the exam prior to the end date can still access those scores and apply a passing grade to their Linux+ certification. The replacement Linux+ 104 exam based on this beta exam will become publicly available in April of 2019.

Note that the Linux+ credential is valid for life.

CompTIA Linux+ Powered by LPI Facts & Figures

LPI (Linux Professional Institute) Certifications

The Linux Professional Institute (LPI) started up in October of 1999, almost one decade after Linus Torvalds began his pioneering efforts on the Linux kernel. Since then, LPI has become one of the leading certification providers on Linux courses and technologies. Given the organization’s distribution-agnostic approach to Linux, it offers excellent coverage of a platform that’s available in many forms and flavors in today’s marketplace.

The LPI Certification (LPIC) program is available in three distinct levels:

• LPIC-1: Linux Administrator: A  junior-level Linux certification with no prerequisites. Candidates must pass two exams that cover basic Linux skills, including installing and configuring Linux on a workstation, working at the command line, performing basic maintenance tasks, and making LAN or internet connections. While you can obtain the LPIC-1 credential directly from LPI, candidates should consider obtaining the CompTIA Linux+ Powered by LPI credential first, which qualifies you for both the Linux+ and LPIC-1 credentials.
• LPIC-2: Linux Engineer: An advanced-level Linux certification that requires an active LPIC-1 certification. Candidates must pass two exams that cover significant Linux skills and topics. The first exam covers the kernel, system startup, file system and devices, advanced storage administration, network configuration, system maintenance and capacity planning. The second exam covers web services, file sharing, network client management, email services, system security and troubleshooting, and domain name servers.
• LPIC-3: Linux Enterprise Professional Certification: A senior-level Linux certification that requires an active LPIC-2 and passing any single exam in the 300 series. Valid exam IDs currently include 300: Mixed Environment, 303: Security, and 304: Virtualization and High Availability. The Mixed Environment exam covers Samba (domain integration, user and group management, name services, share configuration and so forth), plus OpenLDAP, and working with Linux and Windows clients. The Security exam covers network, operations and application security, as well as cryptography and access controls. High availability cluster storage and management, along with virtualization, are covered in the Virtualization and High Availability exam.

In addition to the LPIC-1, 2 and 3 credentials, LPI also offers an entry-level credential, the Linux Essentials Professional Development Certificate (PDC). Linux Essentials focuses on foundational skills, such as creating and running simple scripts, restoring compressed backups and archives, working with the command line, Linux operating system basics, FOSS, and users/groups and file permissions for public and private directories. Linux Essentials is a great way to get started while gaining the skills and knowledge needed for the more challenging LPIC credentials.

LPI’s newest certification is the LPIC-OT DevOps Tools Engineer, which recognizes the effective use of tools for collaboration during system and software development. There are no prerequisites, and the single exam lasts for 90 minutes and has 60 questions.

LPIC credentials are worthwhile for IT pros whose chosen Linux distributions do not warrant their own certification programs, and for those seeking broad, vendor- and distribution-neutral coverage of Linux topics, tools and technologies. They are popular among IT pros and in demand among IT employers.

LPIC-1, LPIC-2 and LPIC-3 Facts & Figures

Oracle Linux OCA & OCP

When Oracle bought Sun Microsystems in 2010, it acquired a rich and deep UNIX tradition. Oracle started phasing out Solaris almost immediately after finalizing the Sun acquisition.

Today, Oracle offers associate- and professional-level certifications based on Linux rather than harking back to any kind of UNIX roots. These certifications retain enough of their Sun roots, however, so that courses are not mandatory prerequisites to taking the exams for the two Oracle Linux certifications currently available.

As with other vendor-specific Linux certifications, Oracle’s are most appealing to those who work with or around that distribution, or who wish to work for employers who use those distributions.

OCA and OCP Facts & Figures

Note: Though there is now an OCA and OCP exam available for Oracle Linux 7 System Administrator, Oracle has yet to announce this new certification or release the details of new Linux 7-based certification tests for OCA and OCP candidates.

Oracle Linux 6 Certified Implementation Specialist Certification

The Oracle Linux 6 Certified Implementation Specialist Certification is a certification available for those who sell, design, configure and implement Oracle Linux 6 solutions. Though any candidate can complete this certification, it is most typically achieved by Oracle partner implementation personnel with strong foundational experience in Linux and previous field experience implementing Linux 6.

Red Hat RHCSA, RHCE & RHCA

If there’s one major star in the vendor-specific Linux certification firmament, it’s got to be Red Hat. The company has major market presence and serious duration as a commercial provider of Linux platforms and technologies.

Red Hat offers a typical administrator, engineer, architect certification ladder. Unlike many other such programs, however, it offers highly regarded and valued credentials at each rung, along with demanding and hands-on oriented exams and an excellent training curriculum to match. All exams for the following Red Hat certifications are performance based and last two hours or longer.

The giveaway for Red Hat certifications is that all come with acronyms that start with RH, as follows:

• Red Hat Certified System Administrator (RHCSA): This foundation certification vets essential skills in handling files, working at the command line and using system documentation, along with managing systems (boot up, identifying processes, start/stop virtual machines, controlling services), configuring storage partitions and logical volumes, and more.
• Red Hat Certified Engineer (RHCE): This cornerstone certification is designed to test and validate the skills and knowledge necessary to work as a senior-level Linux system administrator. courses covered include advanced IP routing and services, managing runtime kernel behavior, working with iSCSI, automating maintenance tasks with shell scripts and working with networking services for Web, FTP, NFS, SMB, SMTP, SSH and more. An RHSCA is a prerequisite for the RHCE.
• Red Hat Certified Architect (RHCA): Red Hat’s pinnacle certification offers two paths to certification, depending on which prerequisite advanced Red Hat certification credentials you have already completed: Red Hat Certified Enterprise Microservices Developers (RHCEMDs) and Red Hat Certified JBoss Developers (RHCJDs) can earn an RHCA in Enterprise Applications, and Red Hat Certified Engineers (RHCEs) can earn an RHCA in Infrastructure. In general, the five additional exams that must be passed to achieve the RCHA in either Infrastructure or in Enterprise Applications are specific to each area of specialization, though a few of the tests can be used to satisfy the five exam requirement in both RHCA tracks. A number of previously available certification exams have been discontinued for new RHCA candidates and renewals, though those exams can still be applied to the RHCA certification if you’ve already passed them. Find out more about discontinued exams that can be counted towards the RHCA credential on the RHCA page under the Candidate Guidance tab.

Because Red Hat Linux is widely used in the business world, the RHCA certification is an excellent choice for those interested in a more platform-focused path into the Linux world. Of course, for those who already work with or around Red Hat, it is a natural certification choice as well.

RHCSA, RHCE and RHCA Facts & Figures

Beyond the Top 5: More Linux certifications

Outside the top five Linux credentials and programs covered in this article, other Linux certifications may be worthy of your time and attention.

The Linux Foundation, a membership-based organization, promotes the development of the Linux kernel through collaboration, conferences and education. The organization’s small but respected certification program includes the Linux Foundation Certified System Administrator (LFCS) and the Linux Foundation Certified Engineer (LFCE).

IBM continues to offer a handful of Linux-related certifications. One certification of interest is the Certified Database Administrator, which continues to be in demand for those running DB2 on Linux, Unix and Windows systems.

Many industry experts, including Steven J. Vaughn-Nichols, a long-time user and expert on Linux and Unix operating systems, say that certifications can be an important ingredient in a job candidate’s qualifications. But interviewers should also pay close attention to how many Linux systems candidates have set up, managed or used to get a sense of the scale and scope of their experience.

In other words, when you see a web hosting service advertising for Linux jobs, they’re not looking for people who’ve installed and used Linux at home or in a small business setting; they’re looking for professionals who’ve set up and managed Linux in a highly distributed and virtualized data center environment, with lots of complex networking and services coming into the mix.

Jeff Grundy has been writing computer-related articles and tutorials since 1995. Since that time, Grundy has written many guides to using various applications that are published on numerous how-to and tutorial sites. Born and raised in South Georgia, Grundy holds a Master of Science degree in mathematics from the Georgia Institute of Technology.

The MarketWatch News Department was not involved in the creation of this content.

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NCEA examinations are just weeks away, with thousands of secondary school students expected to sit the tests when they kick off on November 7.

Recent changes to our national qualification framework have sparked controversy. New literacy and numeracy standards set to be introduced in 2024 have been criticised for being too difficult, and moves to digitise exams and assessments have received mixed reviews from students and educators.

Mathematics exams have proven particularly curly in the past – tricky questions have been the subject of a string of complaints since 2017.

Would you be able to ace last year’s exams? Test your knowledge on these 2021 NCEA exam questions.

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Level 1 Mathematics and Statistics – Apply algebraic procedures in solving problems

Ben has been painting some straight lines on the field for his rugby team to do some training exercises.

The total length of all the painted lines shown in the diagram below is 20 metres.

If the shaded area is 14m², find the possible values of x.

Level 1 Physics – Demonstrate understanding of aspects of wave behaviour

Water is poured into a cup, and a coin appears, as shown below.

Explain why you cannot see the coin in the cup with no water, but when water is poured into the cup, the coin suddenly appears.

Use a ray diagram to help explain your answer.

Level 2 Biology – Demonstrate understanding of life processes at the cellular level

A) Photosynthesis occurs in the leaves of plants. Describe the process of photosynthesis.

B) Water is an important requirement for the process of photosynthesis. Explain how water enters a plant AND how it is used in the light-dependent reaction.

Level 2 Economics – Analyse inflation using economic concepts and models

In 2020, New Zealand’s inflation rate was 1.4%. Despite this relatively low inflation rate, the price of some goods and services increased significantly. For example, the overall price of fresh fruit and vegetables increased by 8.9%.

A) Explain why not all households will be equally affected by an 8.9% increase in the overall price of fresh fruit and vegetables.

B) Explain one reason why the 2020 inflation rate of 1.4% was less than the 8.9% increase in the overall price of fresh fruit and vegetables.

Level 3 Chemistry – Demonstrate understanding of thermochemical principles and the properties of particles and substances

Explain the difference in the atomic radii of calcium and selenium.

Level 3 Calculus – Apply integration methods in solving problems

A water tank developed a leak.

6 hours after the tank started to leak, the volume of water in the tank was 400 litres.

10 hours after the tank started to leak, the volume of water in the tank was 256 litres.

The rate at which the water leaks out of the tank at any instant is proportional to the square root of the volume of the water in the tank at that instant.

How much water was in the tank at the instant it started to leak?

You must use calculus and show the results of any integration needed to solve the problem.