Find Interview Questions for Top Companies
Ques:- What does FEC mean in Bluetooth communication?
Asked In :-
Right Answer:

FEC stands for Forward Error Correction. It is a technique used in Bluetooth to detect and correct errors during data transmission by adding extra bits to the message. This improves data reliability, especially in noisy wireless environments, without needing retransmission.

Ques:- Which task is NOT necessary when manually creating a new user by editing the /etc/passwd file?
Right Answer:

Create a link from the user’s home directory to the shell the user will use.

Explanation:

You don’t need to create a link to the shell. You only need to:

  • Create the home directory (if it doesn’t exist)

  • Set the user password using the passwd command
    The shell path is simply specified in /etc/passwd and doesn’t require any linking.

Ques:- Can you assign multiple databases and application servers to one profile, and can each database or app server belong to more than one profile?
Asked In :- smsc,
Right Answer:

Yes, you can assign multiple databases and application servers to a single profile.
But each database and application server can belong to only one profile at a time.

📝 This ensures clear environment separation for monitoring and configuration in PeopleSoft.

Ques:- Which command lets you view the contents and directory structure of a tar file before extracting it?
Right Answer:

Use the following command:

tar -tvf filename.tar
Explanation:
  • t = list contents

  • v = verbose (shows detailed info)

  • f = specify the tar file name

This lets you inspect the archive structure without extracting it.

Ques:- Are physical, dedicated tables locked when an Application Engine program is loaded into memory?
Asked In :-
Right Answer:

No, physical tables are not locked just by loading an Application Engine program into memory. Tables are only locked when a process explicitly issues a locking SQL statement (like SELECT … FOR UPDATE or UPDATE). Application Engine loading does not automatically lock tables.

Ques:- Is there a PeopleCode function that can stop processing of the entire component?
Asked In :-
Right Answer:

Yes, you can use the function Exit(1) in PeopleCode to stop the processing of the entire component. It immediately exits the current PeopleCode event and halts further processing.

Ques:- How do you create a new table in a database?
Asked In :-
Right Answer:

To create a new table:

CREATE TABLE employees (
id INT PRIMARY KEY,
name VARCHAR(100),
email VARCHAR(100)
);
Ques:- Which SQR commands are used to print EMPLID in barcode format?
Right Answer:

To print EMPLID in barcode format in SQR, use the following commands:

🔹1. Load a barcode font:

declare-font 100
name = ‘IDAutomationHC39M’ ! Example barcode font
end-declare

🔹2. Set the font before printing:
begin-procedure print-barcode
let $barcode_value = ‘*’ || $EMPLID || ‘*’
print $barcode_value (10, 1) font=100
end-procedure
Note: The asterisks (*) are required for Code39 barcode fonts. Also ensure the font is installed on the printer or server generating the report.
Ques:- I have to view(in a JSP Page)the rows in adatabase which contains some thousands of rows.But in a page i have to view only 20 rows and by pressing the hyperlinks in the page(for an example :page1, page2)i have to view the rest of the records.Each page should contain 20 records only.Kindly give me an idea or some sample coddings to design the above JSP page.
Right Answer:
To implement pagination in a JSP page that displays 20 rows at a time from a database, you can follow these steps:

1. **Database Query**: Use SQL with `LIMIT` and `OFFSET` to fetch the required rows based on the current page.

2. **JSP Code**: Here’s a sample JSP code snippet:

```jsp
<%@ page import="java.sql.*, java.util.*" %>
<%
int pageSize = 20; // Number of records per page
int pageNumber = 1; // Default page number
if (request.getParameter("page") != null) {
pageNumber = Integer.parseInt(request.getParameter("page"));
}

int offset = (pageNumber - 1) * pageSize;

Connection conn = null; // Initialize your database connection
PreparedStatement pstmt = null;
ResultSet rs = null;

try {
// Database connection code here
String sql = "
Ques:- How to transfor the data from flat file to bdc ?
Asked In :-
Right Answer:
To transfer data from a flat file to BDC (Batch Data Communication) in SAP, follow these steps:

1. **Create a Flat File**: Prepare your flat file with the required data in a structured format (e.g., CSV or TXT).

2. **Use Transaction Code**: Go to transaction code `SE38` or `SA38` to execute a report.

3. **Create a Program**: Write an ABAP program that reads the flat file using `OPEN DATASET`, `READ DATASET`, and `CLOSE DATASET` statements.

4. **Map Data to BDC Structure**: Convert the data read from the flat file into the appropriate BDC structure (e.g., using `BDCMSGCOLL` for messages).

5. **Call BDC Function Module**: Use the `BDC_INSERT` function module to pass the data to the target transaction.

6. **Execute BDC Session**: Optionally, create a BDC session using `
Ques:- Difference between single thread and multi thread model serv
Asked In :- highjump, 6sense, travis ci,
Right Answer:
In a single-thread model, each request is handled by a single thread, meaning only one request can be processed at a time, which can lead to delays if the request takes time to complete. In a multi-thread model, multiple threads can handle multiple requests simultaneously, allowing for better resource utilization and faster response times, as each request can be processed independently.
Ques:- What are the SAP upgrade options available and what are the recommendations to the present customers?
Asked In :- FANUC,
Right Answer:
The SAP upgrade options available include:

1. **Technical Upgrade**: Upgrading the existing system to a newer version without changing the existing functionalities.
2. **Functional Upgrade**: Upgrading to a new version that includes new functionalities and features.
3. **New Implementation**: Implementing a new SAP system from scratch, often recommended for significant changes.
4. **System Conversion**: Converting an existing SAP ERP system to SAP S/4HANA.

Recommendations for current customers:
- Assess business needs and system performance.
- Consider a phased approach for large upgrades.
- Stay informed about support timelines for current versions.
- Plan for adequate training and change management to ensure smooth transitions.
Ques:- How can I connect from an applet to a database on the server?
Right Answer:
To connect from an applet to a database on the server, you should use a server-side technology like Java Servlets or JSP to handle the database connection. The applet can make HTTP requests to the server, which will then interact with the database and return the results to the applet. Direct database connections from applets are not recommended due to security restrictions.
Ques:- What is the difference between a Driver and a DataSource (in Java JDBC)?
Asked In :-
Right Answer:
A Driver is a specific implementation that allows Java applications to connect to a database, while a DataSource is a higher-level interface that provides a way to obtain connections to a database and can also support connection pooling and distributed transactions.
Ques:- What is meant by polymorphism in java?How can we achieve polymorphism?Explain with an example.
Right Answer:
Polymorphism in Java refers to the ability of a single interface to represent different underlying forms (data types). It allows methods to do different things based on the object that it is acting upon.

We can achieve polymorphism in Java through:

1. **Method Overloading** (Compile-time polymorphism): Multiple methods with the same name but different parameters.
2. **Method Overriding** (Runtime polymorphism): A subclass provides a specific implementation of a method that is already defined in its superclass.

**Example:**

```java
class Animal {
void sound() {
System.out.println("Animal makes a sound");
}
}

class Dog extends Animal {
void sound() {
System.out.println("Dog barks");
}
}

class Cat extends Animal {
void sound() {
System.out.println("Cat meows");
}
}

public class TestPolymorphism {
public static void main(String[] args) {
Animal myDog = new Dog();
Animal
Ques:- Why clonning method is private?can u overload the main() method.2)can overload the run() method.3)what is Common Separated value.
Right Answer:
1) The `clone()` method is private to prevent unauthorized access and modification of the object's state, ensuring that cloning is controlled and consistent.

2) Yes, you can overload the `main()` method by defining multiple versions with different parameter lists.

3) Common Separated Values (CSV) is a file format that uses commas to separate values, allowing data to be stored in a tabular format, typically used for importing and exporting data between applications.
Ques:- Can you tell me the steps for how to create and execute and run the Ejb simple stateless session application in websphere application server6.0 and Ide is RAD6.0
Right Answer:
1. **Set Up Environment**: Ensure WebSphere Application Server 6.0 and RAD 6.0 are installed and configured.

2. **Create a New EJB Project**:
- Open RAD 6.0.
- Go to File > New > Project.
- Select "EJB Project" and click Next.
- Enter the project name and configure the settings as needed.

3. **Create Stateless Session Bean**:
- Right-click on the EJB project > New > Session Bean.
- Choose "Stateless" and provide the bean name and interface details.
- Implement the business logic in the bean class.

4. **Configure Deployment Descriptor**:
- Open `ejb-jar.xml` and configure the bean settings if necessary.

5. **Create a Client Application**:
- Create a new Java project or a Java class within the EJB project to act as a client.
- Use JNDI to look up the
Ques:- How can resultset records be restricted to certain rows?
Right Answer:
You can restrict ResultSet records to certain rows by using SQL queries with the `LIMIT` clause (in databases like MySQL) or `ROWNUM` (in Oracle) or by using pagination techniques with `OFFSET` and `FETCH` in SQL Server and PostgreSQL. For example:

```sql
SELECT * FROM table_name LIMIT 10 OFFSET 20; -- MySQL
```

or

```sql
SELECT * FROM table_name WHERE ROWNUM <= 10; -- Oracle
```


The System Security Engineer section on takluu.com is designed for professionals responsible for safeguarding organizational IT infrastructure against cyber threats. This role demands in-depth knowledge of security principles, threat detection, incident response, and the implementation of robust defense mechanisms.

This category covers key topics such as network security, firewalls, encryption techniques, intrusion detection and prevention systems (IDS/IPS), vulnerability assessments, and security compliance standards like ISO 27001 and NIST. You will also explore concepts of identity and access management (IAM), secure software development, and risk mitigation strategies.

Our interview preparation content includes real-world scenario-based questions to assess your ability to identify security gaps, design security architectures, and respond effectively to cyber incidents. Emphasis is placed on hands-on skills using tools like Wireshark, Metasploit, Nessus, and SIEM platforms.

Whether you are targeting roles like System Security Engineer, Cybersecurity Analyst, or Information Security Specialist, this section equips you with the technical knowledge and problem-solving skills to excel in interviews and on the job.

At Takluu, we combine theoretical insights with practical examples and mock questions to help you build confidence in defending systems and networks. Stay updated with the latest security trends and best practices to become a valuable asset to any organization.

Prepare with us and take a decisive step toward a successful career in system security engineering.

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