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Quiz: Data Structures Mock Tests on B and B+ Trees

Quiz: Data Structures Mock Tests on B and B+ Trees

The quiz contains information about B and B+ trees.

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Quiz Questions And Answers

B+ trees are always-

irregular
balanced
modified

A B+ tree is an N-ary tree with a .................... but often large number of children per node.

folder
variable
file

B-Tree is designed to contain large number of ............... so that tree height is small.

numbers
keys
values

Why B+ trees structure is a widely used structure?

For valid format
For unsorted structure
For index structures

The ......................... nodes are the leaf nodes in a B+ tree.

middle
bottommost
uppermost nodes

Why B+ trees are more preferred to binary trees in databases?

Disk access slower than memory access
Disk access faster than ALU access
Disk access not that easy

The B+ trees can also be used for data, those are stored in-

ROM
RAM
Server

The Internal nodes are known as-

All-leaf node
Non-leaf nodes
Leaf nodes

A B+ tree consists of a root, .......................... and leaves.

lists
objects
internal nodes

A non-leaf node may hold up to n pointers and should hold at least-

51 pointer
9n poinetrs
n/2 pointers

The time complexity of search operation in B/B+ tree is better than ................Trees in general.

White Red
Red Black
Blue Red

Which thing of B+ trees can be improved by using some compression techniques?

Logic unit
Space efficiency
Process time

The lengths of the paths from the root to all leaf nodes are all equal that is why B+ Trees are considered as-

Complete
Balanced
Empty

When the B tree was first described in the paper "Organization and Maintenance of Large Ordered Indices"

in 1960
in 1972
in 1950

When B-tree was 1st invented?

in 1971
in 1993
in 1980
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