IBS Software Services Interview Questions, Process, and Tips

Easy Programming problem

Q1. What is probability of the ceiling fan falling?
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Q2. Tell me briefly about the OOP concepts.
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Q1. Spring IOC containers explain
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Spring IOC containers are responsible for managing the instantiation of objects and their dependencies in a Spring application.
• IOC stands for Inversion of Control, which means that the control of object creation is inverted from the application code to the Spring framework.

• There are two main types of Spring IOC containers: BeanFactory and ApplicationContext.

• BeanFactory is the simplest container, providing basic support...read more
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Q2. Metaspace in java
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Metaspace is a part of the Java HotSpot VM memory where class metadata is stored.
• Metaspace replaces the permanent generation (PermGen) in Java 8 and later versions.

• It is used to store class metadata such as class names, method names, field names, annotations, etc.

• Metaspace is dynamically resized by the JVM based on the application's demand.

• You can monitor Metaspace usage using tools like JConsole or VisualVM.
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Q3. Difference between prdicate & consumer?
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Predicate is a functional interface that represents a boolean-valued function, while Consumer is a functional interface that represents an operation that accepts a single input argument and returns no result.
• Predicate is used for filtering elements based on a condition, while Consumer is used for performing actions on elements.

• Predicate has a test() method to evaluate a condition, while Consumer has an accept() method ...read more
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Java 8 stream based question

Find min ,max and second largest (avoid duplicates)using streams

Q1. Multiple inheritance , encapsulation, Collections-Hashmap,Set,list etc with coding questions, substrings,
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Q2. Checked and unchecked expections with example
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Checked exceptions are checked at compile time, while unchecked exceptions are not.
• Checked exceptions must be either caught or declared in the method signature using 'throws'

• Unchecked exceptions do not need to be caught or declared

• Example of checked exception: IOException

• Example of unchecked exception: NullPointerException
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Q3. Spring boot annotations
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Q4. Java 8 features,stream api,lambda with coding
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Q1. Rest api end to end flow
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Q2. Hash map vs hash set
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Q1. Difference between ISO 27001 and SOC2 Type 2 audit
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ISO 27001 focuses on information security management system while SOC2 Type 2 audit focuses on controls related to security, availability, processing integrity, confidentiality, and privacy.
• ISO 27001 is an international standard that focuses on establishing, implementing, maintaining, and continually improving an information security management system (ISMS).

• SOC2 Type 2 audit is a report based on the Trust Services Cri...read more
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Q2. How the BCMS is implemented
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BCMS is implemented through a structured approach involving planning, implementation, monitoring, and continual improvement.
• Develop a BCMS policy outlining objectives and scope

• Conduct a risk assessment to identify threats and vulnerabilities

• Implement controls to mitigate risks

• Train employees on BCMS procedures and protocols

• Regularly test and evaluate the effectiveness of the BCMS

• Review and update the BCMS as needed bas...read more
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Q3. Business Impact Analysis and Risk Assessment
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Q4. Analyze a SOC2 Report
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A SOC2 report is an audit report that attests to the controls in place at a service organization relevant to security, availability, processing integrity, confidentiality, and privacy.
• Review the scope of the report to understand the services covered

• Examine the auditor's opinion on the effectiveness of controls

• Look for any exceptions or deficiencies noted in the report

• Check the date of the report to ensure it is current

• ...read more
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Q1. Clustering in cassendra
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Clustering in Cassandra involves grouping together multiple nodes to improve performance, scalability, and fault tolerance.
• Clustering is used to distribute data across multiple nodes in a Cassandra cluster.

• It helps in achieving high availability and fault tolerance by replicating data across nodes.

• Cassandra uses consistent hashing to determine which node will store a particular piece of data.

• Data is partitioned into sm...read more
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Q2. Cloud Deployment strategies
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