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Coreel technologies Interview Questions and Answers
Ques:- How do you ensure your work remains consistent despite frequent changes in deadlines or expectations
Right Answer:
I prioritize tasks based on urgency and importance, maintain clear communication with my team and stakeholders, and stay flexible by adjusting my plans as needed. I also set personal milestones to track progress and ensure quality remains high despite changes.
Ques:- Difference between PLC and SCADA ?What are merits & De-merits of PLCs ?What are merits & De-merits of SCADAs ?
Right Answer:
**Difference between PLC and SCADA:**
- **PLC (Programmable Logic Controller):** A hardware device used for automation of industrial processes, controlling machinery on factory floors.
- **SCADA (Supervisory Control and Data Acquisition):** A software system that monitors and controls industrial processes at a higher level, providing data visualization and management.

**Merits of PLCs:**
- High reliability and durability.
- Real-time control and fast response times.
- Easy to program and modify.
- Suitable for complex control tasks.

**De-merits of PLCs:**
- Limited data handling and visualization capabilities.
- Higher initial cost for complex systems.
- Requires specialized knowledge for programming.

**Merits of SCADAs:**
- Centralized monitoring and control of multiple PLCs.
- Advanced data visualization and reporting capabilities.
- Remote access and control.
- Scalability for large systems.

**De-merits of SCADAs:**
- Higher complexity and cost.
- Vulnerability to cybersecurity
Ques:- Why extras are provided at top and bootom in a beam of slab?
Right Answer:
Extras are provided at the top and bottom of a beam or slab to accommodate bending moments and shear forces. The top reinforcement handles tension in the upper part due to bending, while the bottom reinforcement deals with tension in the lower part. This ensures structural integrity and prevents cracking.
Ques:- Work progress In Site On Time
Right Answer:
To ensure work progress on site is on time, implement a detailed project schedule, conduct regular progress meetings, monitor tasks closely, allocate resources efficiently, and address any issues promptly.
Ques:- What are the ways a project time schedule can be compressed?
Right Answer:
A project time schedule can be compressed through the following methods:

1. **Fast Tracking**: Overlapping tasks that were originally planned to be done sequentially.
2. **Crashing**: Adding more resources to critical path tasks to complete them faster.
3. **Scope Reduction**: Reducing project scope or deliverables to shorten the timeline.
4. **Resource Leveling**: Adjusting the start and finish dates based on resource availability to optimize the schedule.
Ques:- What is a project charter?
Right Answer:
A project charter is a formal document that outlines the objectives, scope, stakeholders, and overall framework of a project. It serves as an official authorization for the project to begin and provides a high-level overview of what the project aims to achieve.
Ques:- Can you describe what a sprint backlog is and how it is created
Right Answer:
A sprint backlog is a detailed plan of work for a specific sprint, derived from the product backlog. It's created during sprint planning by the development team, who select items from the product backlog they commit to complete, then break down those items into tasks and estimate the effort required for each.
Ques:- What is a product backlog, and how do you manage it
Right Answer:
A product backlog is a prioritized list of features, bug fixes, tasks, and requirements needed to build a product. It's managed through regular refinement, prioritization, estimation, and updates based on feedback and changing business needs, often facilitated by the Product Owner.
Ques:- What are the benefits and challenges of continuous delivery in an Agile environment
Right Answer:
**Benefits:** Faster time to market, reduced risk, improved quality, faster feedback, happier teams.

**Challenges:** Requires high automation, strong collaboration, cultural shift, investment in infrastructure, and robust testing.
Ques:- How do you prioritize features or tasks in an Agile sprint
Right Answer:
We prioritize features or tasks in an Agile sprint using a combination of factors like business value, risk, effort/size, dependencies, and urgency. Product Owner usually leads this, using techniques like MoSCoW (Must have, Should have, Could have, Won't have) or story pointing, to ensure the most valuable items are tackled first.
Ques:- What is the difference between Kanban and Scrum, and when would you use each
Right Answer:
Kanban focuses on visualizing workflow, limiting work in progress (WIP), and continuous flow. Scrum uses time-boxed iterations (sprints) with specific roles (Scrum Master, Product Owner, Development Team) and events (sprint planning, daily scrum, sprint review, sprint retrospective).

Use Kanban when you need continuous delivery, have evolving priorities, and want to improve workflow incrementally. Use Scrum when you need structured development with fixed-length iterations, have clear goals for each iteration, and benefit from team collaboration with defined roles.
Ques:- What do you mean by search engines?
Right Answer:
Search engines are online tools that help users find information on the internet by indexing and retrieving web pages based on keywords and queries. Examples include Google, Bing, and Yahoo.
Ques:- What should you do to avoid the Google penalty?
Right Answer:
To avoid a Google penalty, ensure your website follows these practices: create high-quality, original content; avoid keyword stuffing; use ethical link-building strategies; ensure your site is mobile-friendly; improve page load speed; and comply with Google's Webmaster Guidelines.
Ques:- Name some hallmarks of a good PPC landing page?
Right Answer:
1. Relevant and compelling headline
2. Clear and concise content
3. Strong call-to-action (CTA)
4. Fast loading speed
5. Mobile-friendly design
6. Trust signals (e.g., testimonials, reviews)
7. Minimal distractions (e.g., limited navigation)
8. Consistent messaging with the ad
9. High-quality images or videos
10. Easy-to-fill forms
Ques:- What is the role of SEO in e commerce
Right Answer:
SEO (Search Engine Optimization) in e-commerce helps improve the visibility of an online store in search engine results, driving organic traffic to the website. It involves optimizing product descriptions, images, and site structure to rank higher for relevant keywords, ultimately increasing sales and customer engagement.
Ques:- What is e commerce and how does it work
Right Answer:
E-commerce, or electronic commerce, is the buying and selling of goods and services over the internet. It works by allowing customers to browse products on a website, add items to a virtual shopping cart, and complete transactions using online payment methods. The process involves a web platform, payment gateways, and logistics for delivery.
Ques:- What are the key components of an e commerce website
Right Answer:
The key components of an e-commerce website are:

1. User Interface (UI) and User Experience (UX) Design
2. Product Catalog
3. Shopping Cart
4. Payment Gateway
5. Order Management System
6. Customer Account Management
7. Security Features (SSL, Data Protection)
8. Mobile Responsiveness
9. Search Functionality
10. Customer Support (Chat, FAQs, Contact Information)
Ques:- How do you introduce a cross-sell without sounding too pushy?
Right Answer:

To introduce a cross-sell without sounding pushy, listen to the customer's needs and preferences first. Then, suggest the additional product as a helpful solution that complements their current choice, framing it as a benefit rather than a hard sell. Use phrases like, "Many customers find this product helpful alongside what you're choosing."

CoreEL Technologies is a leading provider of cutting-edge technology solutions and engineering services, specializing in embedded systems, semiconductor design, and software development. With a focus on innovation, quality, and customer satisfaction, CoreEL Technologies offers a comprehensive range of products and services that empower businesses to bring their ideas to life and stay ahead in today\'s fast-paced digital world. At CoreEL Technologies, we leverage our expertise in embedded systems and semiconductor design to develop customized solutions that meet the unique needs of our clients. From hardware design and firmware development to software integration and testing, we provide end-to-end solutions that enable businesses to accelerate time-to-market and reduce development costs. One of the key strengths of CoreEL Technologies lies in our team of experienced engineers and professionals who are experts in their respective fields. Our dedicated team works closely with clients to understand their requirements and objectives, ensuring that our solutions are tailored to meet their specific needs and deliver tangible results.
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