Which Of These Are Common Inputs To Next Generation Siem Systems

Question: Which cryptographic service ensures that the original sender cannot deny sending data or engaging in a digital transaction based on the usage of a secret or private key?

Answer: Non-repudiation

Question: What type of key is used for only one single key establishment process and is never stored in memory or retained?

Answer: Ephemeral Key

Question: Which of these are characteristics of block ciphers?

Answer: - Must include padding

• Messages bigger than key size are broken up into size of key

• - Uses counter modes

• - 3DES and AES are common

• Question: Which of these cryptographic hashing algorithms should not be used in a new modern implementation?

• Answer: MD5

• Question: Which of these versions of Diffie-Hellman is commonly used in TLS and uses elliptic-curve public/private key pairs and forward secrecy?

• Answer: ECDHE

• Question: What emerging solution will protect new areas such as sensor networks, healthcare, distributed control systems, and IoT, in which highly constrained devices are interconnected?

• Answer: Lightweight Cryptography

• Question: What type of cryptography derives its power from the fact that qubits can represent numerous possible combinations of 1 and 0 at the same time?

• Answer: Quantum Cryptography

• Question: What common cryptographic feature is an aspect of white-box cryptography where keys are protected from extraction when under the control of the penetration tester or attacker?

• Answer: Obfuscation

• Question: How is the public key of the customer’s digital certificate signed?

• Answer: Using the private key of the CA

• Question: Authenticates the source and integrity of device drivers

• Answer: Code signing certificate