10+ Signzy Technologies Interview Questions and Answers

There are two main types of APIs - SOAP API and REST API.

• SOAP API is a protocol-based API that uses XML for communication, while REST API is an architectural style that uses standard HTTP methods like GET, POST, PUT, DELETE.

• SOAP API has a strict set of rules and standards, while REST API is more flexible and lightweight.

• SOAP API requires more bandwidth and resources compared to REST API.

• Examples of SOAP APIs include Salesforce API, while examples of REST APIs include Twitter ...read more

Script to display logs of GET response and response time and code from a log file

• Use grep command to filter GET requests from the log file

• Use awk command to extract response time and response code from the filtered logs

• Format the output using printf command

• Example: grep 'GET' logfile | awk '{print $4, $9, $NF}' | printf '%-20s %-10s %-10s '

Items in a project contract and factors to prevent legal issues with clients.

• Scope of work

• Project timeline

• Payment terms

• Deliverables

• Change management process

• Termination clauses

• Confidentiality agreements

• Dispute resolution mechanisms

Key information for API integration with a vendor

• Vendor's API documentation

• Authentication methods required

• Rate limits and usage restrictions

• Data formats supported (JSON, XML, etc.)

• Error handling and response codes

• Testing environment availability

To see CPU info on Linux, use the 'lscpu' command.

• Open the terminal and type 'lscpu' command

• This will display detailed information about the CPU architecture, vendor, model name, speed, cache size, and more.

• Other commands like 'cat /proc/cpuinfo' and 'top' can also be used to view CPU information.

VPC is a virtual private cloud that allows users to create a private network within the public cloud.

• VPC provides a secure and isolated environment for resources in the cloud

• NAT (Network Address Translation) allows instances in a private subnet to access the internet

• Subnets are subdivisions of a VPC that allow users to segment their resources and apply different security policies

Questions on swap memory, projects, CI/CD, Docker, and Kubernetes for Site Reliability Engineer role.

• Swap memory is a space on the hard disk used as virtual memory when RAM is full.

• Projects worked on may include automation, monitoring, and scaling.

• CI/CD is a software development practice that involves continuous integration, testing, and deployment.

• Docker is a containerization platform that allows for easy deployment and management of applications.

• Kubernetes is an open-source...read more

Idempotent HTTP requests are requests that can be repeated multiple times without changing the result beyond the initial request.

• Idempotent requests have the same outcome no matter how many times they are executed.

• GET, PUT, and DELETE HTTP methods are typically idempotent.

• POST requests are not idempotent as they can create new resources with each execution.

HTTPS port is 443. Command for date in Linux is 'date'.

• HTTPS port is used for secure communication over the internet and is commonly used for websites that require login credentials or sensitive information.

• The 'date' command in Linux displays the current date and time in the terminal.

• Additional options can be added to the 'date' command to display the date and time in different formats.

Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.

• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and .catch() to handle errors.

The sales cycle is the process that a salesperson goes through to close a deal with a customer.

• Includes prospecting, qualifying, presenting, handling objections, closing, and follow-up

• Can vary in length depending on the complexity of the sale and the industry

• Involves building relationships with potential customers and guiding them through the buying process

Event loop in Node.js manages asynchronous operations by executing callback functions when certain events occur.

• Event loop is responsible for handling I/O operations, timers, and callbacks in Node.js

• It allows Node.js to perform non-blocking operations efficiently

• Event loop continuously checks the event queue for new events to execute