Fireball Securitas & Consultants Private Limited Interview Questions and Answers

Q1. I m waiting for your valuable response ...!!
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Q2. I m excited to join
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Q3. I m Cctv Automation engineer
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Q4. Currently I m working in Mundra
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Q1. I am Gulrez Alam
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Q1. I do to hard work
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Q2. I am working continue
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Q1. I want to hard work
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Q2. I do continue job
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Q1. What is ETL, and can you explain it in a structured manner?
Ans. 
ETL stands for Extract, Transform, Load. It is a process used to extract data from various sources, transform it into a consistent format, and load it into a target database or data warehouse.
• Extract: Involves extracting data from different sources such as databases, files, APIs, etc.

• Transform: Data is cleaned, validated, and transformed into a consistent format suitable for analysis.

• Load: The transformed data is loade...read more
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Q2. What is the correct structure of a DBMS diagram?
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The correct structure of a DBMS diagram includes entities, attributes, relationships, and keys.
• Entities represent the main objects in the database (e.g. Customer, Product).

• Attributes are characteristics of entities (e.g. CustomerID, ProductName).

• Relationships show how entities are related to each other (e.g. one-to-many, many-to-many).

• Keys uniquely identify each record in a table (e.g. Primary Key, Foreign Key).
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Q1. Strengths,weakness,why do we hire you, what are your hobbies
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Q1. How do you find middle of linkedlist
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To find the middle of a linked list, use the slow and fast pointer technique.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move the slow pointer by one node and the fast pointer by two nodes until the fast pointer reaches the end of the list.

• The node pointed to by the slow pointer at this point is the middle of the linked list.
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Q2. What is anr how to prevent
Ans. 
ANR stands for Application Not Responding, it occurs when the main UI thread is blocked for too long.
• ANR can be prevented by offloading long-running tasks to background threads or services.

• Optimizing code and reducing UI thread workload can also help prevent ANR.

• Using tools like StrictMode can help identify potential ANR issues during development.
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Q3. Basic of kotlin
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Q4. Threading and its method
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Threading in Android allows multiple tasks to run concurrently, improving performance and responsiveness.
• Threading can be implemented using classes such as AsyncTask, Handler, and Thread.

• AsyncTask is used for short background tasks that need to update the UI, while Handler is used for communication between threads.

• Thread is a low-level way to create a new thread for longer background tasks.

• Care must be taken to avoid m...read more
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Q5. Relative layout and linear layout
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Q6. Databinding and viewbinding
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Q7. MVVM Related qustions
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Q8. Dependency injections and use
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Q9. Arraylist vs linklist
Ans. 
ArrayList is faster for accessing elements, while LinkedList is better for frequent insertions and deletions.
• ArrayList uses an array to store elements, allowing for fast random access but slower insertions and deletions.

• LinkedList uses nodes with references to the next and previous elements, making insertions and deletions faster but access slower.

• For example, if you need to frequently add or remove elements in the mid...read more
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ChatGpt will replace the employment

Q1. BASIC ACCOUNTING QUESTIONS
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Q2. JOURNAL ENTERIES
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Q3. SUITATION BASED QUESTIONS
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Q1. PERSONAL QUESTIONS
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Q1. What kind of clients you handle
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Q2. How you generate the leads
Ans. 
I generate leads through a combination of digital marketing strategies, networking events, and referrals.
• Utilize social media platforms to create targeted ads and engage with potential leads

• Attend industry conferences and trade shows to network and generate leads

• Ask satisfied customers for referrals to expand the lead pool
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Q3. How many sales call you do per day
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Q1. TYPES OF DETECTORS AND COVERAGE AREA OF HEAT DETECTOR
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Heat detectors are devices that sense abnormally high temperatures and are typically used in areas where smoke detectors may not be suitable.
• Types of heat detectors include fixed temperature detectors, rate-of-rise detectors, and combination detectors.

• Fixed temperature detectors activate when a specific temperature is reached.

• Rate-of-rise detectors activate when the temperature increases rapidly.

• Combination detectors c...read more
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Q2. DIFFERENCE BETWEEN NWC,NWF AND NWD
Ans. 
NWC, NWF, and NWD are different file formats used in BIM modeling.
• NWC (Navisworks Cache) is a lightweight file format used for sharing models with stakeholders who do not have access to the original software.

• NWF (Navisworks File) is a project file format that references multiple NWD files and allows for collaboration and coordination.

• NWD (Navisworks Document) is a published file format that contains all the data and ge
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