Class Hierarchies, Library & Containers Quiz 6

1 / 24

How many types of Association can be there between classes?

2 / 24

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

queue

deque

priority queue

stack

3 / 24

Composition is also a type of _______________ relationship.

Inheritance

Aggregation

Both Aggregation an Association

Association

4 / 24

Which type of relationship is modelled by Association?

Have-A relationship

Part-Of relationship

Has-A relationship

Is-A relationship

5 / 24

Sets are implemented using _______________________

avl tree

red black tree

heap

binary search tree

6 / 24

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

Both Aggregation an Association

Aggregation

Association

Composition

7 / 24

Which container is used to keep priority based elements?

set

priority queue

queue

stack

8 / 24

Which container can have the same keys?

multimap

unordered map

set

map

9 / 24

Which type of relationship is modelled by Aggregation?

Is-A relationship

Part-Of relationship

Has-A relationship

Have-A relationship

10 / 24

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

all of the mentioned

multimap

unordered map

map

11 / 24

Which of the following relationships is uni-directional?

Composition

Both Aggregation and Composition

Aggregation

Association

12 / 24

Which of the following is correct about map and multimap?

Map can have same keys whereas multimap cannot

Average search time of map is greater than multimap

Implementation of maps and multimap are different

Multimap can have same keys whereas the map cannot

13 / 24

Why do we need relationships between classes?

To increase code re-usability

To enhance the communication between classes

To use the functionality of one class into other

All of the mentioned

14 / 24

Composition is a __________ type of Association relationship.

necessary

unnecessary

strong

weak

15 / 24

How the relationship is made in Association?

Through the objects of classes

Through destructor

Through class Names

Through constructor

16 / 24

How many types of class relationships are there?

17 / 24

Map is implemented using ____________________

binary search tree

red black tree

hash table

heap

18 / 24

Aggregation is a __________ type of Association relationship.

weak

strong

unnecessary

necessary

19 / 24

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

multimap

set

queue

heap

20 / 24

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

Composition

Association

Both Composition an Association

Aggregation

21 / 24

Unordered map is implemented using _________________

binary search tree

red black tree

heap

hash table

22 / 24

Which type of relationship is modelled by Inheritance?

Has-A relationship

Part-Of relationship

Is-A relationship

Belongs-to relationship

23 / 24

Which type of relationship is modelled by Composition?

Has-A relationship

Is-A relationship

Part-Of relationship

Have-A relationship

24 / 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

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

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

All of the mentioned

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