Class Hierarchies, Library & Containers Quiz 6

1 / 24

Which type of relationship is modelled by Inheritance?

Belongs-to relationship

Has-A relationship

Part-Of relationship

Is-A relationship

2 / 24

Composition is a __________ type of Association relationship.

unnecessary

necessary

strong

weak

3 / 24

Which of the following is correct about the map and unordered map?

Ordering of keys in maps whereas no such order in the unordered map

Maps are implemented red-black trees whereas unordered map are implemented using hash tables

Average search time in the unordered map is O(1) whereas it is O(logn) in case of maps

All of the mentioned

4 / 24

Aggregation is a __________ type of Association relationship.

unnecessary

weak

strong

necessary

5 / 24

Unordered map is implemented using _________________

hash table

binary search tree

red black tree

heap

6 / 24

Composition is also a type of _______________ relationship.

Aggregation

Both Aggregation an Association

Inheritance

Association

7 / 24

In which of the following relationship objects of related classes are strongly dependent?

Aggregation

Both Composition an Association

Composition

Association

8 / 24

Which container is used to keep priority based elements?

priority queue

set

stack

queue

9 / 24

Which container is used to store elements as key-value pair?

all of the mentioned

multimap

unordered map

map

10 / 24

Which container is best to keep the collection of distinct elements?

heap

multimap

queue

set

11 / 24

Which type of relationship is modelled by Composition?

Part-Of relationship

Have-A relationship

Is-A relationship

Has-A relationship

12 / 24

Which container can have the same keys?

set

unordered map

multimap

map

13 / 24

1. In which of the following relationship objects of related classes can occur independently?

Both Aggregation an Association

Association

Composition

Aggregation

14 / 24

Which of the following is correct about map and multimap?

Implementation of maps and multimap are different

Map can have same keys whereas multimap cannot

Average search time of map is greater than multimap

Multimap can have same keys whereas the map cannot

15 / 24

Which type of relationship is modelled by Association?

Have-A relationship

Is-A relationship

Has-A relationship

Part-Of relationship

16 / 24

How many types of Association can be there between classes?

17 / 24

Which of the following relationships is uni-directional?

Association

Composition

Aggregation

Both Aggregation and Composition

18 / 24

Which of the following queue container can expand or shrink from both directions?

queue

deque

stack

priority queue

19 / 24

Sets are implemented using _______________________

binary search tree

heap

red black tree

avl tree

20 / 24

How the relationship is made in Association?

Through destructor

Through the objects of classes

Through class Names

Through constructor

21 / 24

Map is implemented using ____________________

heap

binary search tree

hash table

red black tree

22 / 24

How many types of class relationships are there?

23 / 24

Which type of relationship is modelled by Aggregation?

Has-A relationship

Is-A relationship

Have-A relationship

Part-Of relationship

24 / 24

Why do we need relationships between classes?

To increase code re-usability

To use the functionality of one class into other

To enhance the communication between classes

All of the mentioned

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