VPN Mock Interview
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Question 12 of 30
What are symmetric and asymmetric encryption, and how is each used?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
People who are in the network security industry should be familiar with the terminology used in this practice. They should also know the difference between terms and processes that are similar but differ from each other. This is an example of this type of question. Since this is a relatively basic question and can easily be answered by anybody with any knowledge of this topic, you should not spend a lot of time defining and describing these terms.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"Encryption is the process of changing the format of a digital message to protect it from being read by an unauthorized user. Symmetric encryption encrypts the data using a key and decrypting the message using the same key. This is easy to implement and creates little additional overhead but is easy to penetrate. It also requires a safe method to transfer the encryption key from the sender to the receiver. Asymmetric encryption is based on public and private key encryption techniques. It employs different keys to encrypt and decrypt the message. While it is more secure than symmetric encryption, it has more overhead and therefore is slower."
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