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Free 300-615 Exam Braindumps (page: 15)

Page 14 of 63
PDF with 247 Questions

Refer to the exhibit.





A Cisco UCS B-Series server 1/1 fails to communicate with server 1/2. Which action resolves the issue?

  1. Disable Fabric Failover on NIC1.
  2. Implement a disjoint Layer 2 topology.
  3. Add VLAN 10 to Eth1/11.
  4. Configure a port channel on Eth1 /10 and Eth1/11.

Answer(s): C

Explanation:

The issue is that server 1/1 (VLAN 10) is unable to communicate with server 1/2, which is also in VLAN 10. In the provided topology, it appears that the link on Eth1/11 is missing the VLAN 10 configuration, which is necessary for communication between the servers.
VLAN 10 must be allowed on all links (including Eth1/11) to ensure proper communication between the servers, as they both belong to VLAN 10. Adding VLAN 10 to Eth1/11 will resolve the communication issue.



Refer to the exhibit.



The receiver is listening to multicast group 239.200.0.1, but no packets are received for the requested multicast group. Which action resolves the issue?

  1. Configure both host MAC addresses as secure static on both interfaces.
  2. Change the port-security violation action to restrict on interface Eth1/2.
  3. Increase the maximum secure MAC addresses to 3 on interface Eth1/2.
  4. Modify the secure MAC address learning to sticky on both interfaces.

Answer(s): B

Explanation:

In this scenario, port-security is configured on both interfaces, but the violation action on Eth1/2 is set to shutdown, which disables the interface when a violation occurs. Since the multicast traffic is likely causing a port security violation, the interface is shutting down, preventing the receiver from receiving the multicast traffic.
Changing the port-security violation action to restrict on Eth1/2 will allow the interface to remain up while still restricting unauthorized MAC addresses, thus resolving the issue and enabling multicast traffic to flow to the receiver.



Refer to the exhibit.



A BGP VXLAN EVPN Is used in a data center. The Eth1/1 fails on SPINE-1, and traffic flow fails from Leaf-1 to the Leaf-2 VTEP over port channel 12 in VLAN 7. Which command resolves the issue?

  1. peer-gateway
  2. layer3 peer-router
  3. ip arp synchronize
  4. system nve infra-vlans

Answer(s): A

Explanation:

In a BGP VXLAN EVPN fabric, when one of the interfaces (like Eth1/1 on Spine-1) fails, it can cause traffic disruptions if the necessary configuration isn't in place to handle gateway redundancy across VTEPs.
The peer-gateway command enables redundancy for the default gateway on both VTEPs (Leaf-1 and Leaf-2) in an active-active manner, allowing them to forward packets for each other's MAC addresses. This feature is essential in ensuring traffic can still flow even when one spine link fails. By configuring peer-gateway, you can resolve the traffic issue by allowing traffic to flow through the other available links.



An engineer is suspecting an issue where there is a mismatch between RIB and FIB. The same prefix is learned via different routing protocols. Based on this output, from which protocol originated the prefix that was installed in the FIB?

  1. OSPF
  2. IS-IS
  3. EIGRP
  4. BGP

Answer(s): D

Explanation:

The key information here is the peer_as field in the output, which shows peer_as: 65100. This indicates that the route was learned from a BGP peer with the Autonomous System (AS) number 65100.
BGP uses AS numbers to identify the origin of routes, and the presence of a peer_as field confirms that the route was learned via BGP.






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