SBL Interview Questions and Answers

Semantic tags in HTML are specific tags that provide meaning to the content they enclose.

• Semantic tags help search engines and screen readers understand the structure of a webpage.

• Examples of semantic tags include <header>, <footer>, <nav>, <article>, <section>, <aside>, <main>, <figure>, <figcaption>.

• Using semantic tags improves SEO and accessibility of a website.

Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.

• Currying helps in creating reusable functions and partial application.

• It allows you to create new functions by fixing some parameters of an existing function.

• Example: const add = (a) => (b) => a + b; add(2)(3) will return 5.

Map is used to transform each element of an array, while Filter is used to select elements based on a condition.

• Map returns a new array with the same length as the original array, but with each element transformed based on a provided function.

• Filter returns a new array with only the elements that pass a provided condition function.

• Example for Map: [1, 2, 3].map(num => num * 2) will result in [2, 4, 6].

• Example for Fi...read more

Map creates a new array with the results of calling a provided function on every element, while forEach executes a provided function once for each array element.

• Map returns a new array with the same length as the original array, while forEach does not return anything.

• Map does not mutate the original array, while forEach can mutate the original array.

• Map is more suitable for transforming data and creating a new array, w...read more

Authentication verifies the identity of a user, while authorization determines the user's access rights.

• Authentication confirms the user's identity through credentials like username and password.

• Authorization determines what actions the authenticated user is allowed to perform.

• Authentication precedes authorization in the security process.

• Example: Logging into a website (authentication) and then accessing specific pages

Local storage persists even after the browser is closed, while session storage is cleared when the browser is closed.

• Local storage has no expiration date, while session storage expires when the browser is closed.

• Local storage stores data with no limit, while session storage has a limit of around 5MB.

• Local storage data is available across all windows/tabs for that domain, while session storage data is only available wit...read more

Experienced customer support executive with strong communication skills and problem-solving abilities.

• Over 5 years of experience in customer support roles

• Skilled in handling customer inquiries and resolving issues efficiently

• Proficient in using CRM systems and chat support platforms

• Excellent communication skills both written and verbal

• Ability to multitask and prioritize tasks effectively

Prodapt is a global IT services company providing solutions in the telecom domain.

• Prodapt offers services such as digital transformation, network services, and customer experience management.

• They have expertise in areas like AI, IoT, and SDN/NFV.

• Prodapt works with leading telecom companies around the world to help them innovate and stay competitive.

My father is a retired engineer who loves gardening, and my mother is a homemaker who enjoys cooking and painting.

• Father is a retired engineer

• Father loves gardening

• Mother is a homemaker

• Mother enjoys cooking and painting

Experienced customer support executive with strong communication skills and problem-solving abilities.

• Over 5 years of experience in customer support roles

• Skilled in handling customer inquiries and resolving issues efficiently

• Proficient in using CRM systems and chat support platforms

• Excellent communication skills both written and verbal

• Ability to multitask and prioritize tasks effectively

Prodapt is a global IT services company providing solutions in the telecom domain.

• Global IT services company

• Specializes in the telecom domain

• Offers solutions for digital transformation

• Provides customer support services

Telecom refers to the transmission of information over long distances using technology such as telephones, internet, and wireless networks.

• Telecom stands for telecommunications.

• It involves the exchange of information between two or more parties over a distance.

• Examples include phone calls, text messages, emails, and video calls.

• Telecom companies provide services such as phone and internet connectivity.

• Technologies used...read more

Customer service is the assistance and support provided to customers before, during, and after a purchase.

• Customer service involves addressing customer inquiries, issues, and complaints in a timely and professional manner.

• It includes providing product information, troubleshooting technical problems, and processing returns or refunds.

• Good customer service focuses on building positive relationships with customers to enha...read more

Essential customer service skills include communication, empathy, problem-solving, patience, and adaptability.

• Effective communication to understand and address customer needs

• Empathy to show understanding and compassion towards customers

• Problem-solving skills to resolve issues efficiently

• Patience to handle difficult customers and situations

• Adaptability to adjust to different customer personalities and needs

The internet is a global network of interconnected computers that allows for communication, information sharing, and online activities.

• Global network of interconnected computers

• Allows for communication and information sharing

• Enables online activities such as browsing, emailing, and social media

• Accessed through web browsers like Chrome, Firefox, and Safari

I am familiar with protocols such as HTTP, HTTPS, TCP/IP, FTP, SMTP, and SNMP.

• HTTP - Hypertext Transfer Protocol used for web communication

• HTTPS - Secure version of HTTP using SSL/TLS encryption

• TCP/IP - Transmission Control Protocol/Internet Protocol for network communication

• FTP - File Transfer Protocol for transferring files over a network

• SMTP - Simple Mail Transfer Protocol for sending emails

• SNMP - Simple Network Man

MQTT publish and subscribe work by clients connecting to a broker, where publishers send messages to topics and subscribers receive messages from those topics.

• Clients connect to a broker to publish or subscribe to topics

• Publishers send messages to specific topics on the broker

• Subscribers receive messages from topics they are subscribed to

• Broker manages the routing of messages between publishers and subscribers