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Network Management

5 minutes 5 Questions

Network management is the process of monitoring, maintaining, and optimizing a network's performance. Effective network management entails identifying performance bottlenecks, diagnosing issues, and taking corrective actions to improve network performance. Some aspects of network management include…

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CompTIA Network+ - Network Management Example Questions

Test your knowledge of Network Management

Question 1

Your company just experienced a network outage, and you are asked to review logs and identify possible causes. In which location should you start your search?

Correct Answer: Syslog server

The best location to start your search after a network outage would be the Syslog server. Syslog servers are designed to collect and store messages from various network devices including routers, switches, and servers to monitor network and system performance. Reviewing the logs from Syslog server will provide detailed information which can be used to identify the cause of the network outage. Managed switches, while they provide information, they aren't as centralized and in depth as the Syslog server. Unmanaged switches and user workstations are less likely to provide useful information as they do not have the same level of logging or diagnostic capability.

Question 2

An organization is experiencing poor network performance. Upon investigation, you discover that there is a high amount of multicast traffic flooding the network due to misconfigured devices. What can be implemented to mitigate this issue?

Correct Answer: Implement IGMP Snooping

Implementing IGMP Snooping is the best choice to mitigate the issue of multicast traffic flooding caused by misconfigured devices. IGMP Snooping can control multicast transmissions by dynamically managing group membership and can limit the flooding of multicast traffic by forwarding multicast streams only to the ports that have group members. The other options are not the most effective solutions: 'Use quality of service (QoS) rules' would not specifically address the issue of multicast traffic; 'Disable multicast on all devices' could interrupt services that require multicast; 'Configure VLANs to isolate misconfigured devices' would take unnecessary time and resources as it would not directly limit multicast traffic.

Question 3

A network is experiencing slow performance and the network administrator suspects loops may be causing the problem. What protocol should be implemented to prevent network loops?

Correct Answer: STP (Spanning Tree Protocol)

The correct protocol to be implemented to prevent network loops is the STP (Spanning Tree Protocol). This protocol inhibits data loops on a network by creating a spanning tree and disabling links that cause loops on a Local Area Network (LAN). It is specifically designed to avoid bridges in the network that could cause looping issues. On the other hand, ICMP (Internet Control Message Protocol) mainly provides error reporting functionalities and does not inherently prevent loops. OSPF (Open Shortest Path First) and EIGRP (Enhanced Interior Gateway Routing Protocol) are routing protocols used to determine the best path for data transmission but do not explicitly prevent loops like the STP does.

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