CompTia Security+ Test 1
Firewall - Software that checks information coming from the internet and depending on the applied
configuration settings, either block it or allows it to pass through
Router - Device Designed to forward data packets between networks
Exception - Allowing a program through a firewall
Load Balancer - A technique or network device used to distribute workload evenly across two or more
routers, in order to get optimal resource utilization, maximize throughput, minimize response time, and
avoid overload.
Default rule of firewall - Deny all traffic
Proxy - Computer network service that allows clients to make indirect network connections to other
network services.
MAC filtering - Solution designed to filtering malicious / restricted content from entering corporate
networks
Tunneling - Type of protocols that ensure the privacy of a VPN connection
VPN concentrator - Dedicated device for managing secure connections established over an untrusted
network
Intrusion Detection System - Network or host based monitoring system designed to automatically alert
administrators of known or suspected unauthorized activity.
Packet Sniffer - Software tool used to monitor and examine contents of network traffic
