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Top 10 Advance Java Interview questions?

Top 10 Advance Java Interview questions?   What are the differences between abstract classes and interfaces in Java? What is the difference between ArrayList and LinkedList in Java? What is the purpose of the finalize() method in Java? What is polymorphism in Java and how is it achieved? What are the different types of inner classes in Java? What is the difference between static and non-static methods in Java? What are the different types of exceptions in Java and how do they differ? What is the difference between checked and unchecked exceptions in Java? How does Java handle multithreading and synchronization? What are the different types of JDBC drivers in Java and how do they differ?
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What is Secure Sockets Layer (SSL) Certificate | comingfly

What is Secure Sockets Layer (SSL) Certificate

Secure Sockets Layer (SSL) is the predecessor of Transport Layer Security (TLS), which is a cryptographic protocol for secure Internet data transmission.

Secure Sockets Layer (SSL) is a standard protocol used for the secure transmission of documents over a network. Developed by Netscape, SSL technology creates a secure link between a Web server and browser to ensure private and integral data transmission. SSL uses Transport Control Protocol (TCP) for communication.


In SSL, the word socket refers to the mechanism of transferring data between a client and Server over a network.
When using SSL for secure Internet transactions, a Web server needs an SSL certificate to establish a secure SSL connection. SSL encrypts network connection segments above the transport layer, which is a network connection component above the program layer.
SSL follows an asymmetric cryptographic mechanism, in which a Web browser creates a public key and a private (secret) key. The public key is placed in a data file known as a certificate signing request (CSR). The private key is issued to the recipient only.
The objectives of SSL are:
Data integrity: Data is protected from tampering.
Data privacy: Data privacy is ensured through a series of protocols, including the SSL Record Protocol, SSL Handshake Protocol, SSL Change CipherSpec Protocol and SSL Alert Protocol.
Client-server authentication: The SSL protocol uses standard cryptographic techniques to authenticate the client and server.

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