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I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
A stack is a data structure that follows the Last In, First Out (LIFO) principle, where elements are added and removed from the top.
Elements are added to the top of the stack and removed from the top as well
Common operations on a stack include push (add element) and pop (remove element)
Examples of stacks include the call stack in programming and a stack of plates
VPC stands for Virtual Private Cloud, it is needed to securely isolate resources within the cloud environment.
VPC allows you to create a private network in the cloud.
It provides control over network settings such as IP address range, subnets, route tables, and network gateways.
VPC helps in securing resources by setting up security groups and network access control lists.
It enables you to connect your on-premises networ...
A load balancer is a device or software that distributes network or application traffic across multiple servers to ensure no single server is overwhelmed.
Balances traffic across multiple servers
Improves performance and reliability
Can be hardware or software based
Examples: F5 BIG-IP, NGINX, HAProxy
IAM stands for Identity and Access Management. Policies are rules that determine who has access to what resources.
IAM is a framework for managing digital identities and controlling access to resources
IAM policies are rules that define the permissions and access levels for different users or groups
IAM policies can be attached to users, groups, or resources to control access
IAM helps organizations ensure that only author...
DNS server is a system that translates domain names to IP addresses, allowing users to access websites using human-readable names.
DNS servers store a database of domain names and their corresponding IP addresses.
When a user enters a domain name in a web browser, the DNS server is queried to find the corresponding IP address.
DNS servers help in the efficient routing of internet traffic by translating domain names to IP ...
Types of lookup tables include direct mapping, associative arrays, and hash tables.
Direct mapping: uses a key to directly access the corresponding value in the table
Associative arrays: store key-value pairs where keys are unique
Hash tables: use a hash function to map keys to values for efficient retrieval
Troubleshooting steps for network issues
Check physical connections (cables, ports)
Verify network settings (IP address, subnet mask)
Restart networking devices (modem, router)
Run network diagnostics tools (ping, traceroute)
Check for software conflicts or firewall issues
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I was interviewed before Jun 2021.
Round duration - 180 minutes
Round difficulty - Easy
It was an mcq + coding round. There were aptitude and ouput based question in mcq. And coding questions were easy
Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Yo...
Find the duplicate number in an array of integers from 0 to (N-2).
Iterate through the array and keep track of the frequency of each number using a hashmap.
Return the number with a frequency greater than 1 as the duplicate number.
Time complexity can be optimized to O(N) using Floyd's Tortoise and Hare algorithm.
You are provided with a string S
and an array of integers A
of size M
. Your task is to perform M
operations on the string as specified by the indices in array A
...
Given a string and an array of indices, reverse substrings based on the indices to obtain the final string.
Iterate through the array of indices and reverse the substrings accordingly
Ensure the range specified by each index is non-empty
Return the final string after all operations are completed
Round duration - 60 Minutes
Round difficulty - Easy
It was technical + hr round. there were 2 people as interviewer. They stated from intro and asked some basic puzzles and hr questions. After that they asked about my projects, technologies and some ds algo and dbms questions.
Tip 1 : Practice aptitude
Tip 2 : Focus on practicing coding
Tip 3 : Learn from mistakes
Tip 1 : Mention some projects that you have done
Tip 2 : Try to have skills that are required for the role
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
Easy DSA questions and some questions on resume
Fan trap is a situation in which a query involving multiple tables results in a Cartesian product.
Fan trap occurs when a table is connected to multiple tables in a one-to-many relationship.
It can be solved by creating a bridge table or by using aggregate functions.
For example, if a customer table is connected to an orders table and a products table, a fan trap can occur when trying to retrieve information about custome...
Dynamic break in report allows for automatic page breaks based on data.
Define a break field in the report design
Set the break field to trigger a page break when its value changes
Use dynamic break to automatically adjust page breaks based on data
Example: A report on sales by region can use dynamic break to create a new page for each region
Foreach function is used to iterate through an array of strings in a report.
Foreach function is used to loop through each element in an array of strings.
It can be used to display each element in a report.
Example: foreach(string item in stringArray){ Console.WriteLine(item); }
Aggregate awareness is a feature in Business Objects that allows reports to be optimized for performance by using aggregate tables.
Aggregate awareness is used when creating reports in Business Objects
It allows the report to use aggregate tables instead of detailed tables for improved performance
Syntax: AGGR_AWARE(
Example: AGGR_AWARE(Product, Sum(Sales), Sales_Fact_Table)
The @prompt function syntax is used to display a prompt message to the user and receive input.
The syntax is @prompt('message', 'default value')
The message is the prompt message to be displayed to the user
The default value is optional and will be displayed in the input field
The function returns the value entered by the user
I applied via Naukri.com and was interviewed before Aug 2021. There was 1 interview round.
I applied via Referral and was interviewed before Oct 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before Oct 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before Jan 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Sep 2020. There were 5 interview rounds.
based on 1 interview
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