Network+ N10-008 Network Security 4.1 Exam Study Guide with Complete Solutions Latest Updated
Network+ N10-008 Network Security 4.1 Exam Study Guide with Complete Solutions Latest Updated CIA Triad - Correct Answer Confidentiality: Keeps data private and safe using encryption and authentication to access resources. Integrity: Ensures data was not modified in transit and verifies it came from its original source. Availability: Measures data accessibility and is increased by designed redundant networks. Symmetric Encryption - Correct Answer Sender and receiver use the same key to encrypt and decrypt the message. 1000X faster than asymmetric encryption. DES Triple DES AES DES (Data Encryption Standard) - Correct Answer A 56-bit encryption key to secure data and is considered weak. Triple DES - Correct Answer Uses three 56-bit keys which give a total key strength of 168 keys. AES (Advanced Encryption Standard) - Correct Answer Preferred symmetric encrypting standard today and is available in 128-bit, 192-bit, and 256-bit keys Asymmetric Encryption - Correct Answer Sender and receiver use the different keys to encrypt and decrypt a message. PKI (Public Key Infrastructure) - Correct Answer Gives secure email exchanges and web browsing and solves the problem of having to distribute the keys ahead of time. Hashing Algorithms - Correct Answer MD5: 128-bit SHA-1 (Secure Hash Algorithm V1): 160-bit SHA-256: 256-bit CRAM-MD5: MD5 variant used in email systems
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