Ques:- What are limitations of Ajax?
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Ques:- Explain about session? Where it runs & what are different types of session handling?
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Sarvaha Systems, Terralogic, 360 Degree Cloud Technologies, Opencast Software, AcuityAds, Pactera Technologies India, coreel technologies, zifo rnd solutions, hotwax systems, frontrow,
Ques:- How can JavaScript make a Web site easier to use? That is, are there certain JavaScript techniques that make it easier for people to use a Web site?
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Hummingbird Web Solutions, Specbee, Freestone Infotech, MetaDesign Software, Opentext Technologies, tata technologies, coupang, vee technologies, avature, ilink systems,
Ques:- Lets i have a table “bapi” having 6 field like thisf1 f2 f3 f4 f5 f6… … .. … … …p r o m o di want to retrive all the data by using select statement and my output will be look like this:xyz…promod
Ques:- What is the difference between @@identity and SCOPE_IDENTITY()?
Ques:- How do you display the structure of the table?
Comments
The structure of a table can be viewed using the DESCRIBE TABLE_NAME command. - Provides a description of the specified table or view. For a list of tables in the current schema, use the Show Tables command. - For a list of views in the current schema, use the Show Views command.
Ques:- If Delete Any Table In Back-End ThenWhat Are The Triggers will Fire Automatically(Those Triggers Are Back-End Triggers Only)
Ques:- Write query to find all employee having same state in employee table.
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zifo rnd solutions,
Ques:- What is MongoDB and how does it differ from relational databases
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PreludeSys India, Code Board Technology, Aptroid, tringapps, Webtech Developers, ApMoSys Technologies, Metrics4 Analytics, Cumulations Technologies, Ospyn Technologies, TalentServ Consulting,
Right Answer:
MongoDB is a NoSQL database that stores data in flexible, JSON-like documents, allowing for dynamic schemas. Unlike relational databases, which use structured tables and fixed schemas, MongoDB can handle unstructured data and scale horizontally, making it more suitable for applications with varying data types and large volumes of data.
MongoDB is a NoSQL database that stores data in flexible, JSON-like documents, allowing for dynamic schemas. Unlike relational databases, which use structured tables and fixed schemas, MongoDB can handle unstructured data and scale horizontally, making it more suitable for applications with varying data types and large volumes of data.
Ques:- How do you perform backups and restores in MongoDB
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Right Answer:
To perform backups in MongoDB, you can use the `mongodump` command, which creates a binary export of the database. For example: `mongodump --db yourDatabaseName --out /path/to/backup`.
To restore from a backup, use the `mongorestore` command: `mongorestore --db yourDatabaseName /path/to/backup/yourDatabaseName`.
For cloud backups, you can use MongoDB Atlas, which provides automated backup options.
To perform backups in MongoDB, you can use the `mongodump` command, which creates a binary export of the database. For example: `mongodump --db yourDatabaseName --out /path/to/backup`.
To restore from a backup, use the `mongorestore` command: `mongorestore --db yourDatabaseName /path/to/backup/yourDatabaseName`.
For cloud backups, you can use MongoDB Atlas, which provides automated backup options.
Ques:- What security features are available in MongoDB
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Right Answer:
MongoDB offers several security features, including:
1. **Authentication**: Supports various methods like SCRAM, LDAP, and Kerberos to verify user identities.
2. **Authorization**: Role-based access control (RBAC) to manage user permissions and access to resources.
3. **Encryption**: Data encryption at rest and in transit using TLS/SSL.
4. **Auditing**: Tracks and logs database operations for security compliance and monitoring.
5. **Network Security**: IP whitelisting and VPC peering to restrict access to the database.
6. **Field Level Encryption**: Allows encryption of specific fields in documents for added security.
MongoDB offers several security features, including:
1. **Authentication**: Supports various methods like SCRAM, LDAP, and Kerberos to verify user identities.
2. **Authorization**: Role-based access control (RBAC) to manage user permissions and access to resources.
3. **Encryption**: Data encryption at rest and in transit using TLS/SSL.
4. **Auditing**: Tracks and logs database operations for security compliance and monitoring.
5. **Network Security**: IP whitelisting and VPC peering to restrict access to the database.
6. **Field Level Encryption**: Allows encryption of specific fields in documents for added security.
Ques:- What are replica sets in MongoDB
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Right Answer:
Replica sets in MongoDB are a group of MongoDB servers that maintain the same data set, providing redundancy and high availability. They consist of a primary node that receives all write operations and one or more secondary nodes that replicate the data from the primary. If the primary node fails, one of the secondaries can be automatically elected as the new primary.
Replica sets in MongoDB are a group of MongoDB servers that maintain the same data set, providing redundancy and high availability. They consist of a primary node that receives all write operations and one or more secondary nodes that replicate the data from the primary. If the primary node fails, one of the secondaries can be automatically elected as the new primary.
Ques:- How you define the role of XML in SOAP?
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Right Answer:
XML is used in SOAP to format the message structure, allowing for the exchange of information between web services in a standardized way. It defines the envelope, header, and body of the message, ensuring that data is transmitted in a platform-independent manner.
XML is used in SOAP to format the message structure, allowing for the exchange of information between web services in a standardized way. It defines the envelope, header, and body of the message, ensuring that data is transmitted in a platform-independent manner.
Ques:- How to explain Body Element in SOAP?
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Right Answer:
The Body element in SOAP is a mandatory part of the SOAP message that contains the actual data or information being exchanged between the client and the server. It typically includes the request or response details, such as method calls and parameters, formatted in XML.
The Body element in SOAP is a mandatory part of the SOAP message that contains the actual data or information being exchanged between the client and the server. It typically includes the request or response details, such as method calls and parameters, formatted in XML.
Ques:- What is SOAP, UDDI and WSDL ?
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plintron, zifo rnd solutions,
Right Answer:
SOAP (Simple Object Access Protocol) is a protocol used for exchanging structured information in web services using XML.
UDDI (Universal Description, Discovery, and Integration) is a directory service where businesses can register and discover web services.
WSDL (Web Services Description Language) is an XML-based language used to describe the functionalities offered by a web service, including the methods available and how to access them.
SOAP (Simple Object Access Protocol) is a protocol used for exchanging structured information in web services using XML.
UDDI (Universal Description, Discovery, and Integration) is a directory service where businesses can register and discover web services.
WSDL (Web Services Description Language) is an XML-based language used to describe the functionalities offered by a web service, including the methods available and how to access them.
Ques:- How can you explain HTTP Binding in SOAP ?
Right Answer:
HTTP Binding in SOAP refers to the use of the HTTP protocol to transmit SOAP messages between a client and a server. It allows SOAP messages to be sent as HTTP requests and responses, typically using POST method for sending messages and receiving responses. This binding facilitates communication over the web, enabling interoperability between different systems.
HTTP Binding in SOAP refers to the use of the HTTP protocol to transmit SOAP messages between a client and a server. It allows SOAP messages to be sent as HTTP requests and responses, typically using POST method for sending messages and receiving responses. This binding facilitates communication over the web, enabling interoperability between different systems.
Ques:- What is the difference b/w fault and exception in Apache SOAP?
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Right Answer:
In Apache SOAP, a fault is a specific type of message that indicates an error occurred during the processing of a SOAP request, while an exception is a programming error or issue that occurs in the code. Faults are part of the SOAP protocol for error handling, whereas exceptions are related to the application's internal logic.
In Apache SOAP, a fault is a specific type of message that indicates an error occurred during the processing of a SOAP request, while an exception is a programming error or issue that occurs in the code. Faults are part of the SOAP protocol for error handling, whereas exceptions are related to the application's internal logic.
Ques:- What is Keras and how is it related to TensorFlow
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Right Answer:
Keras is an open-source neural network library written in Python that provides a high-level API for building and training deep learning models. It is integrated into TensorFlow as `tf.keras`, allowing users to leverage TensorFlow's capabilities while using Keras's user-friendly interface.
Keras is an open-source neural network library written in Python that provides a high-level API for building and training deep learning models. It is integrated into TensorFlow as `tf.keras`, allowing users to leverage TensorFlow's capabilities while using Keras's user-friendly interface.
Ques:- What is the difference between a model’s training and evaluation phases in TensorFlow
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Right Answer:
In TensorFlow, the training phase involves feeding the model data and adjusting its weights to minimize the loss function, while the evaluation phase assesses the model's performance on a separate dataset without updating the weights.
In TensorFlow, the training phase involves feeding the model data and adjusting its weights to minimize the loss function, while the evaluation phase assesses the model's performance on a separate dataset without updating the weights.
Ques:- What is a tensor in TensorFlow and how is it represented
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Right Answer:
A tensor in TensorFlow is a multi-dimensional array that represents data. It can have various ranks, such as scalars (0D), vectors (1D), matrices (2D), and higher-dimensional arrays (3D and above). Tensors are represented using the `tf.Tensor` class in TensorFlow.
A tensor in TensorFlow is a multi-dimensional array that represents data. It can have various ranks, such as scalars (0D), vectors (1D), matrices (2D), and higher-dimensional arrays (3D and above). Tensors are represented using the `tf.Tensor` class in TensorFlow.
