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I applied via Job Portal and was interviewed before Jul 2019. There were 5 interview rounds.
Logistic Regression is a statistical method used to analyze the relationship between a dependent variable and one or more independent variables.
It is used to predict a binary outcome (0 or 1).
It estimates the probability of an event occurring.
It can handle both continuous and categorical independent variables.
Multivariate categorical variables can be used by creating dummy variables for each category.
ANOVA and t-tests are statistical methods used to compare means of two or more groups.
ANOVA is used to compare means of three or more groups, while t-tests are used for two groups.
ANOVA tests if there is a significant difference between the means of the groups, while t-tests compare the means of the groups to see if they are significantly different.
ANOVA uses F-test to determine significance, while t-tests use t-distri...
I applied via Job Portal and was interviewed before Dec 2022. There were 2 interview rounds.
I applied via LinkedIn and was interviewed in Jun 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jun 2021. There were 3 interview rounds.
DHL SmarTrucking interview questions for popular designations
I applied via LinkedIn and was interviewed before Feb 2021. There were 2 interview rounds.
I applied via LinkedIn and was interviewed before Apr 2021. There was 1 interview round.
I applied via Internshala and was interviewed before Sep 2021. There were 2 interview rounds.
I applied via Recruitment Consultant and was interviewed in May 2020. There were 3 interview rounds.
Diameter of a binary tree is the longest path between any two leaf nodes.
Calculate the height of left and right subtrees recursively.
Calculate the diameter recursively using the formula max(left_height + right_height + 1, max(left_diameter, right_diameter)).
Return the maximum diameter.
To find interchanged terms from an AP series
Identify the common difference between terms
Swap the positions of adjacent terms
Check if the new series is also an AP
Repeat until no more interchanged terms can be found
Database indexing is a technique to improve the performance of database queries.
Indexing creates a data structure that allows for faster retrieval of data.
Indexes are created on one or more columns of a table.
Queries that use indexed columns can be executed faster.
Indexes can be clustered or non-clustered.
Clustered indexes determine the physical order of data in a table.
Non-clustered indexes create a separate structure...
DHCP is a protocol that assigns IP addresses to devices on a network. DNS is a system that translates domain names to IP addresses.
DHCP assigns IP addresses to devices on a network
DNS translates domain names to IP addresses
DHCP reduces the need for manual IP address configuration
DNS allows users to access websites using domain names instead of IP addresses
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