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Which statement describes SNMP functionality in Cisco NX-OS Software?
A. NX-OS Software supports one instance of SNMP globally for all VDCs; however, MIB counters are collected and reported individually per VDC.
B. SNMP must be enabled with the feature snmp command before any SNMP configuration is possible.
C. SNMP is always enabled by default in NX-OS Software and cannot be disabled.
D. NX-OS Software supports 3DES and AES for SNMPv3 message encryption.
E. SNMP always uses the default VRF on the Cisco Nexus 7000 Series Switches.
Correct Answer: D
Explanation/Reference:
Explanation:
Layer 3 interfaces support Virtual Routing and Forwarding instances (VRFs). VRFs exist within virtual device contexts (VDCs). By default, Cisco NX-OS places you in the default VDC and default VRF unless you specifically configure another VDC and VRF. A Layer 3 logical interface (VLAN interface, loopback) configured in one VDC is isolated from a Layer 3 logical interface with the same number configured in another VDC. For examplI, loopback 0 in VDC 1 is independent of loopback 0 in VDC 2
Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_4t/12_4t2/snmpv3ae.html http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nxos/ interfaces/configuration/guide/if_cli/if_layer3int.html