ATCO Interview Questions and Answers

Q1. GDS Commands
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Q2. Airline Terminals and Airport Codes
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Sabre Commands to Check Availability

Blocking and Booking Tickets

Commands to Check Fare rules

Checking Availability

Infant and Child title

Q1. About Airport Terminals
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Q2. About Encode and Decode in GDS
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Q1. What are the assumptions of Linear Regression?
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Assumptions of Linear Regression
• Linearity: The relationship between the independent and dependent variables is linear.

• Independence: The residuals are independent of each other.

• Homoscedasticity: The variance of residuals is constant across all levels of the independent variables.

• Normality: The residuals are normally distributed.

• No multicollinearity: The independent variables are not highly correlated with each other.
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Q2. How to evaluate your machine learning model?
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Evaluate machine learning model by analyzing metrics like accuracy, precision, recall, F1 score, ROC curve, and confusion matrix.
• Calculate accuracy to measure overall performance of the model.

• Use precision to evaluate the proportion of true positive predictions among all positive predictions.

• Consider recall to assess the proportion of true positive predictions among all actual positives.

• Calculate F1 score as a balance ...read more
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Q1. What is R-Squared and Adjusted R Squared? Also brief about the difference?
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Q2. Interpret the coefficients of Linear Regression and Binomial Logistic Regression?
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Q1. Phone interview
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Q1. Project technical questions
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Q1. Project technical based question
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Q1. Behavioural based questions
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Q1. Qualification about me and my previous work experience
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Q2. Previous experience about small shops andcompanybrands
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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. What is QAP &ITP
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QAP stands for Quality Assurance Plan and ITP stands for Inspection and Test Plan.
• QAP outlines the quality control procedures and processes to be followed during a project.

• ITP details the specific inspections and tests that will be conducted to ensure quality standards are met.

• Both documents are essential for ensuring quality and compliance in projects.
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Q2. How total station work
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Total stations are electronic/optical instruments used in surveying and construction to measure angles and distances.
• Total stations combine a theodolite for measuring angles with a distance meter to calculate distances.

• They use a laser beam to measure distances to objects.

• Total stations are commonly used in construction, civil engineering, and land surveying.

• They provide accurate measurements for mapping, setting out b...read more
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Q3. Why soil compactionis done
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Soil compaction is done to increase soil density, improve load-bearing capacity, reduce water infiltration, and enhance root growth.
• Increase soil density to improve stability and reduce settling

• Improve load-bearing capacity for construction projects

• Reduce water infiltration to prevent erosion and improve drainage

• Enhance root growth by providing a stable environment for plants

• Common methods include using heavy machinery
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Q4. Why HDPE liner used
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HDPE liner is used for its durability, chemical resistance, and flexibility in various applications.
• HDPE liner is chosen for its high durability, able to withstand harsh environmental conditions.

• It is chemically resistant, making it ideal for use in containment systems for hazardous materials.

• HDPE liner is flexible, allowing it to conform to the shape of the surface it is being applied to.

• Common applications include la...read more
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Q5. How FDD test carried out
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FDD tests are carried out by following a structured approach to identify defects in software development.
• FDD tests involve creating test cases based on functional requirements

• Tests are executed to verify if the software functions as expected

• Defects found during testing are logged and prioritized for resolution

• Regression testing is performed to ensure that fixes do not introduce new issues
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Q1. Skill Based Questions
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Q2. Why you are interested in Joining Kroll.
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I am interested in joining Kroll because of their reputation for excellence in the industry and the opportunity to work on challenging projects.
• Kroll has a strong reputation for excellence in the industry

• I am excited about the opportunity to work on challenging projects at Kroll

• I believe Kroll's values align with my own professional goals
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Q1. Lean Six Sigma Questions
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Q2. Scenario Based Questions
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