A network administrator notices that a few virtual machines run slowly every morning. To
troubleshoot the issue the administrator needs to analyze the total traffic sent I virtual
machines. Which feature would the administrator use for troubleshooting?
A.
Virtual LANs
B.
Traffic Shaping
C.
NetFlow
D.
Port Mirroring
D is correct
refer to :
http://www.aiotestking.com/vmware/which-feature-would-the-administrator-use-for-troubleshooting/
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D
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Why not NetFlow?
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NetFlow Usage
NetFlow capability on a Distributed Switch along with a NetFlow collector tool helps monitor application flows and measures flow performance over time. It also helps in capacity planning and ensuring that I/O resources are utilized properly by different applications, based on their needs.
IT administrators who want to monitor the performance of application flows running in the virtualized environment can enable flow monitoring on a Distributed Switch.
The port mirroring Usage
The port mirroring capability on a Distributed Switch is a valuable tool that helps network administrators in debugging network issues in a virtual infrastructure. The granular control over monitoring ingress, egress or all traffic of a port helps administrators fine-tune what traffic is sent for analysis.
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