Class Hierarchies, Library & Containers Quiz 6

1 / 24

Which of the following is correct about map and multimap?

Multimap can have same keys whereas the map cannot

Implementation of maps and multimap are different

Average search time of map is greater than multimap

Map can have same keys whereas multimap cannot

2 / 24

Sets are implemented using _______________________

binary search tree

avl tree

red black tree

heap

3 / 24

Which type of relationship is modelled by Composition?

Have-A relationship

Has-A relationship

Is-A relationship

Part-Of relationship

4 / 24

Unordered map is implemented using _________________

binary search tree

red black tree

heap

hash table

5 / 24

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

Composition

Aggregation

Association

Both Composition an Association

6 / 24

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

all of the mentioned

unordered map

multimap

map

7 / 24

Which type of relationship is modelled by Association?

Part-Of relationship

Is-A relationship

Have-A relationship

Has-A relationship

8 / 24

Which of the following relationships is uni-directional?

Composition

Aggregation

Both Aggregation and Composition

Association

9 / 24

How the relationship is made in Association?

Through constructor

Through the objects of classes

Through class Names

Through destructor

10 / 24

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

Aggregation

Composition

Association

Both Aggregation an Association

11 / 24

Which type of relationship is modelled by Inheritance?

Part-Of relationship

Is-A relationship

Belongs-to relationship

Has-A relationship

12 / 24

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

queue

multimap

heap

set

13 / 24

Composition is also a type of _______________ relationship.

Aggregation

Both Aggregation an Association

Association

Inheritance

14 / 24

Composition is a __________ type of Association relationship.

weak

necessary

strong

unnecessary

15 / 24

How many types of Association can be there between classes?

16 / 24

Which container can have the same keys?

set

multimap

map

unordered map

17 / 24

Which type of relationship is modelled by Aggregation?

Part-Of relationship

Is-A relationship

Has-A relationship

Have-A relationship

18 / 24

Map is implemented using ____________________

hash table

red black tree

binary search tree

heap

19 / 24

Why do we need relationships between classes?

To enhance the communication between classes

To increase code re-usability

All of the mentioned

To use the functionality of one class into other

20 / 24

Which container is used to keep priority based elements?

priority queue

queue

set

stack

21 / 24

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

All of the mentioned

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

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

22 / 24

Aggregation is a __________ type of Association relationship.

weak

strong

unnecessary

necessary

23 / 24

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

deque

queue

stack

priority queue

24 / 24

How many types of class relationships are there?

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