Information Security > QUESTIONS & ANSWERS > SBOLC Security Plus Study Guide (Latest update), 2024 - 2025, Questions and answers with Complete So (All)
Goals of Crypto - ✔✔- Confidentiality (encryption),Integrity (Hashing),Authentication (Prove yourself), Non-repudiation (can't deny it happened-digital signatures) TCP vs UDP - ✔✔- UDP is "... best effort" delivery with to nodes on a network. Little overhead and is often used for streaming audio or video traffic. TCP is reliable one-to-one connection between two hosts. Uses 3-way handshake (SYN-SYN ACK- ACK) Network access control (NAC) - ✔✔- goal is to prevent computers with suboptimal security from potentially infecting other systems in the network. Enforces policy. Quarantine portal - ✔✔- redirects user to a quarantine area where fixes can be accessed. Usually a web page with hyperlinks to the fixes. Once necessary software is installed the system is then in compliance. Captive Portal - [Show More]
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