November 2020

Article

Preparing for your next security certification exam? After trying your hand at this practice test question, join the FREE CertMike Study Group for the CISSP, Security+, CySA+, PenTest+, CISM+ or SSCP certification to receive new questions each week. You’ll also receive free access to my customized study strategies. Jena would like to configure her organization's switches so that they do not allow systems connected to a switch to spoof MAC addresses. Which one of the following features would be helpful in this configuration? A. Loop protection B. Port security C. Flood guard D. Traffic encryption Correct Answer: B Port security restricts the number of unique MAC addresses that may originate from a single switch port. It is commonly used to prevent someone from unplugging an authorized device from the network and connecting an unauthorized device but may also be used to prevent existing devices from spoofing MAC addresses of other devices. Interested in more practice test questions? Get a copy of my official CertMike Practice Test books for the Security+ exam, CISSP exam, SSCP exam, or CySA+ exam and practice with hundreds of questions designed just like the real test! ...

Preparing for your next security certification exam? After trying your hand at this practice test question, join the FREE CertMike Study Group for the CISSP, Security+, CySA+, PenTest+, CISM+ or SSCP certification to receive new questions each week. You’ll also receive free access to my customized study strategies. Which one of the following statements about block and stream ciphers is correct? A. Stream ciphers commonly use Feistel networks. B. Block ciphers are faster than equivalent stream ciphers. C. Most modern ciphers are block ciphers. D. Block ciphers encrypt one byte at a time. Correct Answer: C It is true that block ciphers make up the vast majority of modern encryption algorithms. Stream ciphers are faster, not slower, than block ciphers. Block ciphers may make use of Feistel networks, while stream ciphers cannot. Block ciphers work on chunks of data, rather than a single byte at a time. Interested in more practice test questions? Get a copy of my official CertMike Practice Test books for the Security+ exam, CISSP exam, SSCP exam, or CySA+ exam and practice with hundreds of questions designed just like the real test! ...