The key difference is that an Intrusion Prevention System (IPS) is installed in line with network traffic, allowing it to actively block threats. In contrast, an Intrusion Detection System (IDS) only monitors and alerts without actively blocking traffic.
Breakdown of Options:
A). An IPS needs to be installed in line with traffic and an IDS does not. # Correct answer. IPS actively prevents threats, while IDS only detects them.
B). An IPS is signature-based and an IDS is not. - False, both can use signature-based detection.
C). An IPS is less susceptible to false positives than an IDS. - False, both can produce false positives, depending on configurations.
D). An IPS requires less administrative overhead than an IDS. - False, IPS requires more administrative effort due to real-time blocking decisions.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.4: Explain network security devices.

* Understanding Tracert:
* tracert (Traceroute in Windows) is a command-line tool used to trace the path that packets take from the source to the destination. It records the route (the specific gateways at each hop) and measures transit delays of packets across an IP network.
* Output Analysis:
* The output shows a series of IP addresses with corresponding round-trip times (RTTs) in milliseconds.
* The asterisks (*) indicate that no response was received from those hops, which is typical for routers or firewalls that block ICMP packets used by tracert.
* Comparison with Other Tools:
* netstat: Displays network connections, routing tables, interface statistics, and more, but does not trace packet routes.
* tcpdump: Captures network packets for analysis, used for detailed network traffic inspection.
* nmap: A network scanning tool used to discover hosts and services on a network, not for tracing packet routes.
* Usage:
* tracert helps identify the path to a destination and locate points of failure or congestion in the network.

Quality of Service allows the engineer to classify and prioritize traffic, ensuring important data is transmitted first and the link is used efficiently.

Wi-Fi 6E is the best choice for high-density environments, as it provides higher speeds, more capacity, and lower latency.

In financial institutions such as stock exchanges, downtime or latency can have severe consequences. Active-active high availability ensures multiple sites/systems are running simultaneously, distributing the load and providing immediate failover with minimal or no interruption. This is the best approach for environments that require continuous uptime and resiliency.
A . Warm site: Useful for disaster recovery, but not immediate; systems must be partially configured and brought online.
C . Full mesh: Refers to topology interconnections, not DR/HA design.
D . In-band: Relates to management methods, not HA/DR strategies.
Reference (CompTIA Network+ N10-009):
Domain: Network Infrastructure - High availability, redundancy strategies, active-active vs. active-passive design.