Unified Modeling Language Mock Test

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Online Mock Test for BSc Computer Science Unified Modeling Language

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BSc Computer Science Unified Modeling Language Mock Test

1. What does a simple name in UML Class and objects consists of ?

letters punctuation characters digits All of the options

2. Which of the following is true

a physical architecture is the configuration of product's major constituents a logical architecture is the realization of product as code and data files residing and executing on computational resource All of the options none of the options

3. What does a message mean?

it passes all communications from one object to another and are represented by message arrows in sequence diagrams message goes from the sending object's lifeline to the receiving object's lifeline it is a rectangle containing an identifier with a dashed line extending below the rectangle All of the options

4. Which among the following are not the valid notations for package and component diagram?

extension mechanisms packages notes box

5. Which of the following is true.

transitions may be spontaneous, but usually some event triggers them an event is a noteworthy occurrence at a particular time; events have no duration a transition is a change from one state to another All of the options

6. Sequential composite states simplify state models in two ways?

they organize states into hierarchies they consolidate many transitions All of the options None of the options

7. Which among these are the common notations for deployment diagrams?

artifacts and nodes components stereotypes All of the options

8. What does a deployment diagram consists of?

artifacts that execute resource computational resource communication path between resource All of the options

9. A class is divided into which of these compartments ?

name compartment attribute compartment operation compartment All of the options

10. Which of these is correct ?

artifacts instances and types have same names artifact names and instances are underlines All of the options None of the options

11. What Does a Composite name consists of in a UML Class and object diagram ?

delimiter simple names digits All of the options

12. Which of these are diagrammatic heuristics?

use stereotypes to name dependencies use notes, constraints, properties and stereotypes to add information to uml models use packages to group elements in static models All of the options

13. What is true about the artifacts?

an artifact is a physical entity an artifact has spatio temporal location All of the options None of the options

14. What are the ways in which artifacts can be deployed?

the artifact symbol can appear outside the node but be attached to it by dependency arrow from the artifact artifact symbol can be placed within node symbol artifact name can be listed inside the node symbol All of the options

15. An attribute is a data item held by which of the following ?

class object All of the options None of the options

16. Which of the following is incorrect in deployment diagram?

communication connections between nodes are shown by communication paths artifacts are deployed inside nodes where they reside and execute communication paths are represented by dotted lines None of the options

17. Which are the ways to represent nodes in a deployment diagram?

nodes instances are underlined identifiers of the form name:type the name may be left off,indicating an unnamed instance of the type the type may be left off, indicating a named instance with an unspecified type All of the options

18. Which of the following is true:

a uml artifact is any physical representation of data used or produced during software development or software product operation a node is a computational resource All of the options None of the options

19. What are the heuristics which sequencing diagram follows?

position lifelines to make message arrows as short as possible put pairs of lifelines that interact heavily next to one another position lifelines to make message arrows go from left to right All of the options

20. A required interface can be shown in which of the following ways?

to connect the class or component requiring the interface to an interface ball with a dependency arrow to connect the class or component to a stereotyped class symbol with a dependency arrow to attach the stick of an interface socket symbol to a class or component All of the options

21. Detailed design is further classified into which of the following?

low-level design mid-level design All of the options None of the options

22. What should be mentioned as attributes for conceptual modelling ?

initial values names None of the options All of the options

23. Which of the following is correct.

an attribute can also be a instance variable, which means that there is only one value stored for the attribute that is shared by all class instances an attribute is an class variable when each object stores its own value for the attribute a class operation is encapsulated in a class and can be called through the class an instance operation can be called using any object

24. What are the three different types of message arrows?

self, multiplied,instance generator synchronous, asynchronous, synchronous with instance creation synchronous, asynchronous, asynchronous with instance creation None of the options

25. Which of these are part of class operation specification format ?

return-type list parameter list name All of the options

26. When is the operation executing, suspended and active?

an operation is suspended when it sends a synchronous message and it is waiting for the message to return an operation is executing when some process is actually running its code an operation is active when it is either executing or suspended All of the options

27. What is Interaction diagram?

interaction diagrams are a central focus of engineering design interaction diagrams are the uml notations for dynamic modeling of collaborations All of the options None of the options

28. Which of these are true with respect to the message arrows?

the synchronous message arrow is used when a sending individual continues execution after sending the message the asynchronous message arrow is used when a sending individual suspends execution after sending the message the dashed arrow is used either to show the return of control from a synchronous message or to create a new entity All of the options

29. Which of the following are the heuristics for class diagram?

use the interface ball and socket symbols to abstract interface details and a stereotyped class symbol to show details. never place a name, role names, or multiplicities on a generalization connector don't italicize interface or operation names All of the options

30. What are the different interaction diagram notations does UML have?

a sequence diagram a communication diagram an interaction overview diagram All of the options

31. Every finite automaton specification must contain which of the following?

descriptions of transitions indicating each transition's source state, its target state, and the events that trigger it; descriptions of the automaton's states in a way that allows them to be distinguished, such as by naming each one designation of an initial state, the starting place for state transitions All of the options;

32. Which of the following is false?

the main way to extend uml is by constraints, properties, etc a dependency relation holds between two entities d and i where change in i does not affect d a note is a dog-eared box connected to any model element by a dashed line All of the options

33. Which of the following determines state diagram?

the uml notation for specifying finite automata is the state diagram in state diagrams, states are represented by rounded rectangles All of the options None of the options

34. What is a lifeline?

it is a name compartment ; the interaction is represented inside the rectangle it is a frame consisting of a rectangle with a pentagon inits upper left-hand corner it is a rectangle containing an identifier with a dashed line extending below the rectangle None of the options

35. Which of these depicts the true definition for the UML extensions?

a stereotype is a uml model element given more specific meaning a constraint is the statement that must be true of the entities designated by one or more model elements a property is a characteristic of the entity designated by a model element All of the options

36. Which of the following is true :

a state symbol without a nested state compartment represents a complex state one with a nested state compartment represents a simple state All of the options None of the options

37. Which of the following are composite states?

a concurrent composite state a sequential composite state All of the options None of the options

38. Which of the following in incorrect in reference to dependency?

module d depends for compilation on module i module d uses module i when a correct version of i must be present for d to work correctly class i imports elements from package d None of the options

39. What types of units does Component follow?

unit with well defined interface replaceable unit modular unit All of the options

40. Mid-level design is the activity of specifying software at the level of medium-sized components such as?

their properties, relationship compilation units or classes interaction of units All of the options

41. What is collection of model elements called?

box dependency uml packages package members

42. A design document is a complete engineering design specification composed of?

detailed design document(ddd) software architecture document(sad) All of the options None of the options

43. Which of these is true with respect to interfaces?

interfaces realized by a class or a component are required interfaces interface on which a class or component depends are called provided interfaces interfaces in component diagram defines relationship between components and environment All of the options

44. Which of these is correct-

mid-level design uses descriptr-paid specification low-level design is the activity of filling in small details at the lowest levels of abstraction low-level design uses descriptr specification All of the options

45. What is delegation connector?

a delegation connector ties a component interface to one or more internal classes or components a delegation connector may also extend from an internal class to an external interface delegation connectors are solid arrows stereotyped <> All of the options

46. The DDD template consists of which of the following?

detailed design rationale mapping between models mid level design and low level design All of the options

47. Which of the following is true:-

in a composition association, each part can be related to only a single whole at one time the aggregation association represents the part-whole relation between the instances of the associated classes an association class represents a relation on the sets of instances of the classes it connects, and it also holds data and behavior the pertinent to the relation All of the options

48. Which of the following is correct?

an attribute is an class variable when each object stores its own value for the attribute a class operation is encapsulated in a class and can be called through the class an instance operation can be called using any object an attribute can also be a instance variable, which means that there is only one value stored for the attribute that is shared by all class instances

49. What is sequential and concurrent composite state means?

a concurrent composite state contains a single state diagram composed of sub- states or inner states and the transitions between them a sequential composite state contains two or more sequential state diagrams in regions separated by dashed lines called concurrent region boundary lines All of the options none of the options

50. What is a sequence diagram?

a diagram that shows messages super imposed on a diagram depicting collaborating individuals and the links among them a diagram that shows the change of an individual's state over time a diagram that shows interacting individuals along the top of the diagram and messages passed among them arranged in temporal order down the page All of the options

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