Business Analyst Interview Questions to Business Analysts

Business Analyst Interview Questions

Business Analyst Interview Questions

So you have submitted an application which has been short listed, you have been invited in for an interview, how can you make sure you do well at the interview and are offered the job? Without a doubt, everyone attending an interview needs to do some preparation. Preparation is the key to a successful interview. One of the best ways to prepare is to research some of the questions which might be asked at the interview, and formulate a response in advance. Below we will take a look at some of the business analyst interview questions which may be asked, why they are being asked and some guidelines towards preparing a suitable answer.

Why do you wish to leave your current job?

Not a specific business analyst interview question, but one which is almost always asked at every interview, a powerful question and the answer given tells the interviewer a lot about the applicant.

The number one rule when answering this question is never to say anything bad about your current employer. Instead, give reasons why the job is no longer suitable. Suitable answers would include such things as a lack of vertical space, meaning slim chance of promotion, current corporate instability leading to loss of job security and other general reasons. Remember! Do not bad mouth your current employer in any way!

We are interviewing several business analysts
for this job, why should we choose you?

In old sales terms, this is known as a drop sell. You are being put on the spot, and the reason for asking this question is not to merely get the answer, but to judge your reaction to being put on the spot.

The way to answer this business analyst interview question is to explain how your skillset suits the requirements of the post, how you would synergistically fit into the company, and how both parties would benefit from your employment.

What do you know about our company?

This question will almost always be asked in some form or another as one of the business analyst interview questions. The reason for this question being asked is not to find out what you actually know about the company, it is being asked to judge if you have performed any prior research and prepared for the interview.

This is your chance to demonstrate that you can logically research facts, and relate them in a coherent manner. Before the interview you should aim to discern key facts about the architecture of the business, its marketplace and trading history.

How many business case engagements
have you worked on, what was your involvement?

Here we start to hit the business analyst interview questions which pertain to the business analyst profession and its skillset. This question is asked to gauge your overall level of your experience.

When answering this question, the best approach is to give an overall indication of the number of business cases you have worked on. Then follow this up with a short description of your role. Now, it is likely that early in your career your involvement was at a more junior level, quickly brush over this early part if you can. When you come to more recent history, explain your more senior role in full. The aim here is to convince the interviewer that you have worked at a senior level and are experienced enough to move on.

What's the worst case
you have ever seen and why?

A bit of a trick question this, as the interviewers are not really interested in the actual answer; instead they are looking to judge your ability to perform reflective analysis in an unbiased fashion.

A great way to answer this question is to discuss a case you were actually involved in, during the explanation of the case, be sure to highlight your own failings as part of the reason this was the worst case you worked on, and then ALWAYS follow up by telling the interviewer what you learned from these mistakes and how it helped you grow as a business analyst.

What business analysis techniques
or methodologies have you found
most effective in the past, and why?

Here we are really getting to grips with the technical side of business analysis. If you are asked this business analyst interview question, then you will know you are sitting across from an interviewer who understands business analysis, probably is or was a business analyst himself, you are now in the spotlight.

To answer this question, draw on past experience, and explain certain cases, which went well due to the correct application of the right methodology. Detail why this methodology worked so well, and in your opinion, how it can be utilized to solve future cases. Do not give a wide answer encompassing many methodologies, chose one or two you are the most familiar with and discuss those.

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What are the benefits of Visual Models?
by Chris Adams
12 Jun 2017 at 11:27am
Visual models communicate much larger amounts of information in a comparatively short period of time versus written communication and documentation.  As they say, a picture is worth a thousand words.  The organization, structure, and order of information in visual models can also help an analyst ensure completeness through easier identification of gaps and missing information.
What do you do to increase your value as an analyst?
by Adrian M.
12 Jun 2017 at 9:25am

Most analysis managers and recruiters who are serious about hiring quality business analysts or systems analysts want to know that you are driven and interested in constantly increasing your knowledge and skills.

You want to be able to demonstrate to them that, outside of the employer required activities, you take the initiative to continue learning.

What is The Agile Extension to the BABOKŪ Guide?
by Chris Adams
12 Jun 2017 at 9:20am
The Agile Extension to the BABOK® Guide was collaboratively developed by the Agile Alliance and IIBA.  It builds on the content of the BABOK® Guide as it was first developed by the IIBA and it further extends it to incorporate Agile Development principles.
What is DevOps and how does it relate to software development?
by Chris Adams
15 May 2017 at 8:42am
As the name suggests, DevOps represents a union of two different sub-disciplines – Development and Operations. Most analysts are highly familiar with the Development portion of DevOps.  This is the traditional software development lifecycle used to create or make major changes to software applications.  It includes a vast network of people who assist in developing a product including product managers, business analysts, software developers, quality assurance engineers, and others. From the DevOps perspective, this stage end just prior to software release/deployment.
The Operations portion of DevOps tend to be less familiar to analysts. In years past Development and Operations operated almost entirely in their own silos.  The Ops team is made up of system and network engineers, DBAs, and others that build, manage, and monitor the IT infrastructure required to ensure the software can be properly deployed and supported.  They receive the tested software builds  and manage the release and deployment of the software onto the IT network while monitoring network stability. 
What is Infrastructure as a Service?
by Chris Adams
15 May 2017 at 6:40am
Infrastructure as a Service describes a model where organizations outsource hardware requirements such as database storage, networking components, servers, and database/server virtualization to an outside vendor . The organization will often pay on a per-use basis meaning the vendor charges based on actual storage space used in conjunction with data transmission rates.   The vendor provides the equipment and is responsible for its maintenance which typically offers dynamic scalability as the purchasing organization’s hardware requirements increase.  

Which is better: Waterfall or Spiral development?
by Chris Adams
15 May 2017 at 6:30am
The choice of SDLC methodology for a project largely depends on: (1) the type of project, and (2) the environment or organizational culture within the project takes place.  With that said, a Spiral method is superior for the vast majority of projects today, especially those which include the development of customer facing products.
What are some steps the Business Analyst can take to avoid vague, incomplete ...
by Chris Adams
9 Apr 2017 at 3:55pm
Stakeholders often interpret requirements in a variety of different ways. Whether its from the natural ambiguity of conversational language or due to missing information, ambiguous and incomplete requirements can lead to project delays and budget overruns. But by keeping a few key considerations in mind the Business Analyst can dramatically improve the quality of product requirements.
What is a business entity model?
by Chris Adams
9 Apr 2017 at 1:00pm

A business entity model is a logical model that documents the entities, or things, that a business or business process uses and interacts with in order to accomplish its business activities and goals. In addition to documenting entities, a business entity model may capture the attributes of an entity, relationships between entities, and cardinality information. Many business entity models are created in the form of a UML class diagram. However, it is important to note that business entity models document the logical structure of a business domain, not the physical structure.

What techniques have you used to elicit business requirements?
by Adrian M.
9 Apr 2017 at 12:50pm

There are a number of methods used for eliciting and discovering requirements.  These methods can be categorized into two main categories: Collaborative Interaction and Restricted Interaction.

What is DMN and how is it used to support BPMN?
by Chris Adams
13 Mar 2017 at 12:35pm
BPMN is used to define business processes as a sequence of activities. Gateways are used to show branching of different process paths.  For many years, analysts would clumsily model decision logic directly in business process models in an attempt to fully define process branching logic. This made process models messy.

DMN or Decision Modeling Notation was published in 2015 by the Object Management Group.  It's a graphical language for specifying business decisions.  DMNs primary purpose is to give analysts a tool for separating the business decision logic from the business process. 

What are the 5 basic categories of elements in BPMN?
by Chris Adams
13 Mar 2017 at 10:25am
BPMN is a robust notation designed to balance two competing needs.  The notation should be simple enough for all stakeholders to understand, yet robust enough to handle complex orchestration of events to a level of detail which can be made executable.  Not an easy thing to do.  However, by organizing elements into distinct categories, a sizable notation can be more easily understood.
What is the Cone of Uncertainty?
by Chris Adams
13 Mar 2017 at 10:05am
The Cone of Uncertainty is a term often used in project management to describe the phenomenon by which project unknowns decrease over time.  As the project proceeds and more research and development is completed the amount of uncertainty decreases, eventually approaching zero. Project unknowns, or uncertainty, largely correlate to variances in project estimates.  Plotting these variances over time creates a cone or funnel shape (variance percentages shown are only examples, values may vary).
What types of actions can help the business analyst avoid Analysis Paralysis?
by Chris Adams
12 Feb 2017 at 4:10pm
Analysis Paralysis is the dreaded black hole of projects. So, how do you recognize that you might be in Analysis Paralysis.  Here are a few symptoms that might clue you in.
How can the acronym INVEST assist the analyst during the development of user ...
by Chris Adams
12 Feb 2017 at 5:56am

INVEST is an acronym that can help a Product Manager or Developer create quality user stories.  INVEST stands for Independent, Negotiable, Valuable, Estimable, Sized-Appropriately, Testable.  

I - Independent:  The user story should be self-contained if at all possible to avoid dependencies on other user stories.  Since one characteristic of agile methodologies is the ability to be flexible and re-prioritize what’s important, independent user stories allow for flexibility during iteration planning. If you do find that your user stories are dependent upon one another, you may be able to combine smaller user stories together that have a dependency between one another.  Similarly, you can divide larger dependent user stories into smaller stories such that one of the new smaller stories contains and isolates the overlapping portion of the larger stories.

N - Negotiable:  User stories can always be changed or rewritten up until the point of coding.  This further supports the flexibility associated with agile methodologies.   Since requirements often evolve or rise and fall in priority, user stories should be able to adapt with the changing requirements.

V - Valuable:  A user story represents a goal of an end user or purchaser and should deliver functionality that is deemed valuable.  This means that specifics of the technical design are not something that you would document as user stories.  However, some technical requirements have a component which is valuable to a user.  A user might expect pages to load within 2 seconds.  The user story would specify the need for 2 second page load times while the specifics of the physical implementation of this would be left out.

E - Estimable:  You should always be able to estimate the size of a user story.  Sometimes, developers won’t have the experience required to size a particular situation or needed for a user story.  When this occurs the user story can be split into two separate user stories.  The first is a “spike” which is where developers do some quick research to determine the feasibility of something or get a better idea of how long it might take to implement the particular feature.  The spike is always time-boxed, meaning it is limited to a pre-defined amount of time.  The “spike” user story might be named “Research (something) to determine…)”, while the second user story is where the functionality will actually be delivered.  These two user stories should be scheduled into two separate iterations such than the spike can be completed and the feasibility of the second user story assessed before coding begins.  This gives the team time to react if problems arise from the spike.

S - Sized Appropriately:  User stories shouldn’t be too big or too small.  So how do you decide what size is right.  First, any user story that can’t be completed by a developer within a single iteration (or by a developer pair when paired programming is being used) is too big.  The user story should be subdivided into two or more smaller stories.  Similarly, there is no need to make user stories too granular just for the sake of decomposing features.  If features group well together and complement each other then it makes sense to make a single user story.  For instance, “As a job seeker I want to be able to add, delete, and edit a job skill on my electronic resume so that I can maintain an accurate listing of my skills.”  There is no reason to split “add, delete, and edit” into multiple user stories unless one of them creates a significant amount of work that would make the user story too large for the iteration.

T - Testable:  User stories must be testable in order to ensure that development is complete and has been done correctly.  So when are user stories not-testable?  Often, if the analyst isn’t carful, non-functionality requirements are written in a manner which is un-testable.  Consider the example, “pages should always load quickly”.  There are two un-testable components of this statement; “always” and “quickly”.  A testable statement would be “pages should load within 1.5 seconds 97% of the time”.

Chris Adams
LinkedIn Profile

What is the different between a business policy and a business rule?
by Chris Adams
12 Feb 2017 at 5:52am

Business Rules and Policies tend to be complicated for analysts to untangle because they are so closely related.  Policies are typically more general assertions or guidance about how an organization is intended to operate, while business rules describe the specific execution of the business policy. 

The BABOK describes a policy as “a non-actionable directive that supports a business goal', and a business rule as 'a specific, actionable, testable directive that is under the control of the business and supports a business policy'

The Business Rules Group goes further in their definition of business rules describing it as an atomic statement that defines or constrains some aspect of the business.  They categorize business rules as one of three sub-classifications; structural assertion, action assertion, or derivation.  The definitions of these get quite detailed and while knowing them, along with understanding things like fact models, may help elaborate one’s understanding of a business rule, at a summary level business rules are best understood by a higher level definition (like the IIBA’s) and a few examples.

Additionally, policies, being more general, typically change less often than business rules which are specific implementations of policies.

To restate, a policy is:

A non-actionable directive Often requires employees to translate into specific statements of what to do (business rules) Supports a business goal Supported by one or more business rules

A business rules is:

Actionable Specific Testable Supports a policy

Examples of policies for a car rental company:

Maintenance must be performed in a manner which maximizes the life and value of the car Renters must have valid insurance

Example of business rules that may support these policies:

All vehicles are required to have a 58 point inspection after every 3 months of use before re-renting. A car which has accumulated more than 3500 miles must have its oil changed before re-renting. Tires with less than 1/16th inch of tread must be replaced. Renters in the state of Texas must have insurance covering $100,000 of liability or more. Renters in the state of Arizona must have insurance covering $50,000 of liability or more.

Notice that each of the business rules are written as a level which is actionable, specific, and testable.

Chris Adams
LinkedIn Profile

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