Which step is important to take when implementing secure network management?
A. Implement in-band management whenever possible.
B. Implement telnet for encrypted device management access.
Get Latest & Actual 640-554 Exam’s Question and Answers from Passleader.
http://www.passleader.com
C. Implement SNMP with read/write access for troubleshooting purposes.
D. Synchronize clocks on hosts and devices.
E. Implement management plane protection using routing protocol authentication.
Correct Answer: D
Explanation/Reference:
Explanation:
http://www.cisco.com/en/US/tech/tk869/tk769/technologies_white_paper09186a0080117070.sht ml
Background Information
Network time synchronization, to the degree required for modern performance analysis, is an essential exercise. Depending on the business models, and the services being provided, the characterization of network performance can be considered an important competitive service differentiator. In these cases, great expense may be incurred deploying network management systems and directing engineering resources towards analyzing the collected performance data. However, if proper attention is not given to the often-overlooked principle of time synchronization, those efforts may be rendered useless.
