Nexus# sh ip igmp snooping vlan 120
IGMP Snooping information for vlan 120
IGMP snooping disabled
Optimised Multicast Flood （OMF） disabled
IGMP querier none
Switch-querier enabled， address 1.1.1.1， currently not running
IGMPv3 Explicit tracking enabled
IGMPv2 Fast leave disabled
IGMPv1/v2 Report suppression enabled
IGMPv3 Report suppression disabled
Link Local Groups suppression enabled
Router port detection using PIM Hellos， IGMP Queries
Number of router-ports： 0
Number of groups： 0
Active ports： Po100 Po111
Which statement best describes what is depicted in the show command output？（）
A. IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.
B. The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.
C. IGMP snooping has been disabled on the VLAN 120 SVI.
D. IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.
E. IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
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A. Synchronizes ARP entries between vPC peers every five minutes
B. Triggers a manual update of ARP entries from the primary peer to the secondary
C. Enables a bulk loading of ARP entries when a vPC peer is restored
D. Uses the peer-keepalive link to maintain ARP table consistency
A. admin， operator， network-admin， and network-operator
B. admin， read-only， network-admin， and network-operator
C. vdc-admin， vdc-operator， network-admin， and network-operator
D. vdc-admin， vdc-operator， network-admin， and network-operator （for Nexus 7000） and network- admin and network-operator （for other Nexus switches）
E. admin and read-only
A. IGMP is not synchronized between vPC peers
B. Cisco Fabric Service carries IGMP entries across the vPC peer link
C. IP ARP synchronization under the vPC domain configuration also synchronizes IGMP
D. IGMP is flooded to the L2 domain， and there is no need to synchronize it between vPC peers
A. The OTV control-plane protocol uses the IS-IS protocol to establish adjacencies and exchange MAC reachability across the overlay network. You must enable IS-IS with the feature isis command before OTV adjacencies can be established.
B. OTV uses an SSM group range for neighbor discovery and to exchange MAC reachability with other OTV edge peers.
C. The OTV join interface is a routed uplink interface on the edge device used to physically join the overlay network.
D. The OTV internal interface encapsulates the site Layer 2 frames in IP unicast or multicast packets that are then sent to the other sites.
A. C84C·75FA·6000
B. 01005·E11.·2FD
C. C84C·76FA·6000
D. 4000.0000.0001
A.The following XML-based NETCONF operations are supported in NX-OS SoftwarE˙close-session copy-config delete-config and edit-config
B.The following XML-based NETCONF operations are supported in NX-OS SoftwarE˙close-session copy-config edit-config and kill-session
C.NX-OS Software supports up to a maximum of 16 concurrent XML sessions
D.Only show commands are supported via the XML management interface in NX-OS Software
E.The NX-OS implementation of the XML-based NETCONF requires SSH to be used for communication with the device
A. In a vPC topology， the primary HSRP router will respond to ARP requests， but both HSRP routers will forward data traffic. No additional configuration is required.
B. In a vPC topology， the primary HSRP router will respond to ARP requests， but both HSRP routers will forward data traffic if the peer-gateway feature is enabled.
C. You can configure two overlapping HSRP groups to load share traffic from the connected hosts while providing the default router redundancy.
D. You can use the show standby command to verify HSRP operation and configuration.
E. If you remove the feature hsrp command， all relevant HSRP configuration information isalso removed.
A. Switch profiles allow configurations to be synchronized between switches and are supported with any Cisco NX-OS Software managed device.
B. DCNM LAN can archive configurations from devices even if they are not managed by the DCNM server， and the administrator can supply the device management IP address and credentials.
C. You can archive a maximum of 50 configuration versions per managed device.
D. Managed devices must be licensed in DCNM LAN before they can be used with configuration change management.
E. Device-running configuration will be archived only if it differs from the last archived version.
Nexus# conf t
Enter configuration commands， one per line. End with CNTL/Z.
Nexus（config）# interface Loopback10
% Permission denied Nexus（config）# ？
no Negate a command or set its defaults
username Configure user information.
end Go to exec mode
exit Exit from command interpreter
What is the reason why this user is not able to enter configuration commands？（）
A. The user did not enter enable prior to going into configuration mode.
B. The software license installed on Nexus is Layer 2 only， which does not allow the creation of Layer 3 interfaces.
C. The user RBAC role is set to network-operator.
D. The user failed authentication and user access defaulted to read-only mode.
E. The AAA server is currently not responding.
A. Cisco DCNM-LAN server users are local to the Cisco DCNM-LAN server. Creating， changing， and removing Cisco DCNM-LAN server users has no effect on user accounts on managed devices.
B. A Cisco DCNM-LAN server user that has Administrator privileges can push out changes to managed devices even if the Cisco NX-OS role that is used on the discovered device has the network operator role.
C. Cisco DCNM-LAN user roles restrict the ability of users to make changes to Cisco DCNM-LAN server settings. Cisco NX-OS user roles enforce read/write privileges on the discovered devices.
D. Cisco DCNM-LAN allows you to configure unique credentials for each discovered device or use default credentials when you do not configure unique credentials for a device.
E. Cisco DCNM-LAN can use AAA servers to authenticate users. Only TACACS servers are supported.
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