Open Group OGA-032 Certification Exam Sample Questions

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Open Group ArchiMate 3 Practitioner Sample Questions:

01. An airline is modeling baggage handling across its network, and the team is treating two quite different things as one problem.
The first is the baggage hall at the main hub: a physical building containing sorting belts and screening machines, in which bags are actually moved and scanned. A rebuild of that hall is being costed this year, so the head of ground operations wants it visible in the model as the structure it is.
The second is that one Baggage Reconciliation application and one Bag Handling process, both defined centrally and identical everywhere, are in use at eleven outstations. The same head of ground operations wants to be able to ask which outstations a given system change will reach, and has said she does not want eleven copies of a process that the network runs as one.
How should the team model the hub building and the eleven outstations?
a) Model all twelve sites as Facilities, the sorting belts as Equipment, and the screening machines as Equipment inside each hall.
b) Model the hub hall as a Facility and record the eleven outstations as an attribute on the process and the application.
c) Model each outstation as a Grouping holding a copy of the process and the application, and the hub hall as a Grouping of its belts.
d) Model the hub baggage hall as a Facility because it is a physical structure in which handling happens, and model the eleven outstations as Locations, each assigned to the shared process and application present there.
 
02. A film studio renders its visual effects on a cloud provider's managed render farm. The arrangement is worth stating precisely, because it decides what can honestly go in the model.
The studio submits jobs through a published interface and is billed per completed frame. It does not know how many machines run its work, cannot choose one, cannot see or patch an operating system, and receives no notice when the provider replaces hardware. The provider publishes an availability commitment and nothing else about the platform's internals.
The infrastructure lead has two questions for the model. If the provider has an outage, what stops in the studio? And which parts of the rendering estate does the studio itself operate, as opposed to buy? The team has begun sketching the provider's servers and their operating systems from what it imagines they must be.
How should the managed render farm be modeled?
a) Model the provider's render farm as a Node, its operating system as System Software, and the images the studio submits as Artifacts deployed on that node, so the platform behind the service is visible.
b) Model the managed render farm as a Technology Service that the studio consumes through a Technology Interface, and place none of the provider's own nodes in the studio's model.
c) Model the render farm as an external Node that the studio's applications are served by, without modeling any software running on it.
d) Model the render farm as an Application Component belonging to the studio's own estate.
 
03. A publishing house already models Manuscript as a Data Object that its editorial system reads and writes. The infrastructure team now has to model deployment, and two stakeholders have concerns that pull in different directions.
The storage manager is planning a migration off two aging storage nodes and must be able to see which node physically holds what. Every manuscript exists on disk as an XML source file in a named storage area, and the same manuscript is also held as a PDF proof in a second area, frequently on a different node.
The editorial architect's concern is the opposite one. Editorial staff, contracts and royalties all treat a manuscript as one thing, and she does not want a deployment model that makes it look as though the house holds two manuscripts whenever it holds two files.
How should the files be modeled alongside the existing Data Object?
a) Model each file as an Artifact deployed on the storage node that holds it, with each Artifact realizing the Manuscript Data Object, so that the files are placed physically and the single manuscript is preserved.
b) Model each file as an Artifact deployed on its storage node, and relate the artifacts to the Manuscript Data Object with association relationships.
c) Model the XML source file and the PDF proof as two further Data Objects, each of them accessed by the editorial system.
d) Model each file as a Technology Service that the storage node offers to the editorial system.
 
04. A university's service catalog project has stalled over a disagreement nobody saw coming, and the architect has been asked to settle it in the model.
The registrar means what an applicant receives: a decision within fifteen working days, which is what she wants to publish in a service catalog applicants can read. The IT director means what the admissions system exposes: a decision endpoint that the student portal and two partner schools' systems call, and which he is about to change. Both call it the Admissions Service, and the model holds one element under that name.
The architect has two questions to answer from the model. What does the university offer applicants, in terms an applicant would recognize? And which systems break when the endpoint changes?
How should the Admissions Service be modeled?
a) Model one Application Service named Admissions Service and generate the registrar's catalog from it, treating the decision applicants receive as the output of that system.
b) Model one Business Service named Admissions Service and record the endpoint details as properties of that element for the IT director.
c) Model the Admissions Service as a single Business Interface through which applicants and partner systems reach the university.
d) Model two elements, a Business Service for the decision applicants receive and an Application Service for what the admissions system exposes, and have the application service serve the business process that realizes the business service.
 
05. A forestry cooperative has taken a board decision that will shape the next five years: it will move from clear-felling to continuous-cover forestry across its holdings. The decision is settled, the reasoning is recorded, and it is the thing the cooperative will be judged on.
Separately, the program office has defined three pieces of work that follow from it. Forty machine operators will be retrained. Six low-impact harvesters will be bought. The felling license process will be rewritten to match the new silvicultural standard. Each has a budget, a start date and an end date.
The strategy lead and the program director are arguing about the model. Both maintain that all four items are things the cooperative is doing and should therefore be represented in the same way, but neither is comfortable with what that produces.
How should the shift and the three pieces of work be modeled?
a) Model all four as Work Packages inside the transformation program, with the shift to continuous cover arranged as the largest package and the other three sitting within it.
b) Model all four as Courses of Action, on the grounds that each one is a decision the cooperative has taken about how it intends to operate in future.
c) Model the shift as a Course of Action and the three pieces of work as Work Packages that realize it.
d) Model the shift to continuous-cover forestry as a Goal, and the three pieces of work as the Outcomes that will achieve it for the cooperative.
 
06. Three statements came out of a public broadcaster's architecture board meeting, and all three have been entered into the model as Requirements.
The first is that the broadcaster buys before it builds wherever a supported product exists. This is a standing rule the board applies to every decision it takes, it has no end date, and it is used to judge proposals rather than being something any one project delivers.
The second is that no service may be built which requires an audience member to hold a commercial account. This comes from the broadcaster's universal-access charter, it is not negotiable, and it rules certain architectures out entirely.
The third is that the archive will be migrated to object storage over the next two years. This was decided at the meeting as the way to reach an existing cost-reduction goal, and a different way could have been chosen.
How should the three statements be modeled?
a) Model the buy-before-build rule as a Principle, the universal-access limit as a Requirement, and the archive migration as a Requirement that the board has now approved.
b) Model the buy-before-build rule as a Principle, the universal-access limit as a Constraint, and the archive migration as a Course of Action.
c) Model all three as Drivers of the broadcaster's current architecture program.
d) Model all three as Constraints, on the grounds that each one narrows what the broadcaster is permitted to do next.
 
07. A law firm models the Engagement Letter as a Business Object. The records manager has raised a problem the model cannot currently express.
The same engagement letter exists in three forms. There is a signed paper original in the strong room. There is a PDF in the document management system. There is a short summary shown to the client on the firm's portal. All three are the same letter, in the sense that the firm's obligations under it are one set of obligations, and the firm would say so in court.
The forms are not interchangeable for records purposes. The paper original must be kept for fifteen years, the PDF for seven, and the portal summary is discarded when the matter closes. The records manager needs each of those rules attached to the form it governs, while the model still says there is one letter.
How should the letter and its three forms be modeled?
a) Model three Business Objects, one for the paper original, one for the PDF and one for the portal summary, each carrying its own retention period as the records manager requires.
b) Keep one Business Object and model the paper original as Material held in the strong room, leaving the PDF and the portal summary implicit in the object itself.
c) Keep Engagement Letter as a Business Object and add a Representation for each perceptible form, with each Representation realizing the object.
d) Model each of the three forms as a Data Object in the application layer.
 
08. A dairy cooperative is modeling milk collection. Raw milk is collected from 340 member farms by road tanker and carried to two processing plants over a fixed set of collection rounds, each round having a known capacity and a known set of farms on it.
The supply chain director is considering closing the smaller of the two plants, and the question she needs the model to answer is a physical one: what actually moves, and over what, so that she can ask which rounds would have to absorb the closed plant's volume.
At present the team has modeled Milk Collection as a Business Process and has stopped there. Nothing in the model represents the milk itself, the plants as places, or the rounds. The director has been clear that the answer she needs cannot be produced from a process box.
How should the team extend the model?
a) Model the two plants as Facilities and the collection rounds as a Distribution Network, and keep the milk itself as a Business Object that the collection process accesses.
b) Model raw milk as Material, the two plants as Facilities, and the collection rounds between them as a Distribution Network.
c) Model each farm and each plant as a Location and draw flow relationships between those locations to represent the milk that passes along each collection round.
d) Model the farms as Locations, the plants as Locations, and the collection rounds as Communication Networks carrying the flow between sites.
 
09. A salmon farming company is modeling two structures that look similar on a diagram and behave very differently in practice.
A Sea Site consists of twelve pens. A pen is built when the site is built, is licensed as part of the site, cannot be towed to another site under the company's license, and is dismantled when the site is decommissioned. There is no such thing in this company as a pen that belongs to no site.
The North Region groups four sea sites for management reporting. Sites are reassigned between regions whenever the company reorganizes, which it has done twice in three years, and a site carries on producing fish perfectly well whether or not the region it was in still exists.
Which relationships should the team use for the two structures?
a) Use composition in both places, where a sea site is made up of pens and a region is made up of sites, and note the difference between them in each region's description so readers are not misled.
b) Use aggregation in both places, since aggregation is the safer choice when it is not certain whether a part could exist on its own.
c) Use composition from the Sea Site to its pens and aggregation from the North Region to its sites, because only the pen depends on its whole for its existence.
d) Use association in both places and name each relationship after the kind of grouping that it represents in the business.
 
10. A car rental company is modeling its fleet platform. The application architect has represented everything the Rental Management component does as a single Application Function called Rental Handling.
Two stakeholders now want more. The service desk manager needs to see the order in which the system handles a booking, because the desk is repeatedly asked where a particular booking has stalled and currently has to telephone the vendor to find out. The CIO wants a stable grouping of what the component does, which she will carry unchanged into the application portfolio; she has been told that the booking steps themselves are being re-sequenced next year when instant collection is introduced.
How should the team model the component's behavior so that both concerns are served?
a) Keep Rental Handling as an Application Function for the portfolio grouping, and model the booking sequence as an Application Process whose steps are ordered by triggering relationships between them.
b) Model each of the four booking steps as its own Application Service, consumed in turn by the service desk as a booking progresses.
c) Decompose Rental Handling into four sub-functions, one for each step of the booking, and order those sub-functions with triggering relationships so that the desk can follow a booking from quote to contract.
d) Model the booking sequence as a Business Process, so the steps sit in the layer where the service desk works.

Answers:

Question: 01
Answer: d		 Question: 02
Answer: b		 Question: 03
Answer: a		 Question: 04
Answer: d		 Question: 05
Answer: c
Question: 06
Answer: b		 Question: 07
Answer: c		 Question: 08
Answer: b		 Question: 09
Answer: c		 Question: 10
Answer: a

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