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Formation of loop in switched network
A loop in a switched network occurs when there are multiple paths between two devices
This can cause broadcast storms and network congestion
To prevent loops, network administrators use Spanning Tree Protocol (STP) or Rapid Spanning Tree Protocol (RSTP)
STP and RSTP identify and disable redundant paths to prevent loops
A station is a device that connects to a wireless network, while an access point is a device that creates a wireless network.
A station is a client device that connects to an access point to access a wireless network.
An access point is a device that creates a wireless network and allows client devices to connect to it.
Access points are often used in public places like airports and cafes to provide wireless internet acce...
Access Lists are a set of rules that control network traffic flow based on source and destination IP addresses, ports, and protocols.
Access Lists are used in routers and firewalls to filter traffic.
They can be configured to allow or deny traffic based on specific criteria.
Access Lists can be applied to inbound or outbound traffic on an interface.
They can also be used for traffic shaping and prioritization.
Examples of A...
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I applied via Approached by Company and was interviewed in Nov 2024. There was 1 interview round.
Split alpha-numeric values in Java without using split method
Iterate through each character in the input string
Check if the character is a digit or a letter using Character.isDigit() and Character.isLetter() methods
Create separate strings for digits and letters and store them in an array
Use ALTER TABLE statement to add a new column with a default value and set it to NOT NULL
Use ALTER TABLE table_name ADD column_name data_type DEFAULT default_value NOT NULL;
Example: ALTER TABLE employees ADD hire_date DATE DEFAULT '2022-01-01' NOT NULL;
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
Selenium is a widely used open-source tool for web automation testing, while Cypress is a newer tool known for its fast and reliable testing capabilities.
Selenium is more established and has a larger community support
Cypress is known for its fast test execution times
Cypress has built-in support for modern web technologies like React and Angular
Selenium supports multiple programming languages like Java, Python, and C#
Cy...
Cypress can be installed using npm package manager.
Install Node.js if not already installed
Open terminal and run 'npm install cypress'
Once installation is complete, run 'npx cypress open' to open Cypress Test Runner
Reverse a string in Javascript
Use the split() method to convert the string into an array of characters
Use the reverse() method to reverse the order of the characters
Use the join() method to convert the array back into a string
posted on 9 Dec 2024
I was interviewed in Oct 2024.
Complex aptitude Test
Test estimation techniques involve various methods to predict the time and resources needed for testing activities.
Use historical data from previous projects to estimate testing effort
Break down the project into smaller tasks and estimate each task individually
Use expert judgment from experienced QA engineers to provide input on estimation
Consider complexity, risks, and dependencies when estimating testing effort
My framework is a data-driven automation framework using Selenium and TestNG.
Utilizes Selenium for web automation
Uses TestNG for test case management and execution
Data-driven approach for test data separation
Supports parallel execution for faster testing
Includes reporting tools like ExtentReports for detailed test results
OOPs concept is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOPs stands for Object-Oriented Programming
Key concepts include classes, objects, inheritance, polymorphism, and encapsulation
Classes are blueprints for objects, defining their properties and behaviors
Objects are instances of classes, representing real-world entities
Inh...
Basic aptitude questions and pseudo codes
posted on 24 Sep 2024
Packet flow in routers involves data transmission through different layers of the OSI model.
Packet flow starts at the network layer where packets are routed based on IP addresses.
Packets then move to the data link layer where MAC addresses are used for communication.
Finally, packets are transmitted physically through the network interface.
OSI model consists of 7 layers: Physical, Data Link, Network, Transport, Session,
I applied via Walk-in and was interviewed in Mar 2024. There was 1 interview round.
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