cisco 300-615 practice test

Troubleshooting Cisco Data Center Infrastructure (DCIT)

Last exam update: Dec 23 ,2025
Page 1 out of 12. Viewing questions 1-15 out of 167

Question 1

A vPC Type-1 inconsistency between two vPC peers in a VXLAN EVPN setup is discovered. Which two
actions need to be attempted to resolve the issue? (Choose two.)

  • A. Configure the NVE interfaces to be Up on both switches.
  • B. Set a different distributed gateway virtual MAC address.
  • C. Set a different secondary IP addresses on NVE source-interface.
  • D. Configure the same VNI to multicast group maping.
  • E. Set a different primary IP addresses on NVE source-interface.
Mark Question:
Answer:

AD


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Question 2

A mission-critical server is connected to site

  • A. Use route-map to advertise this MAC statically and redistribute with ISIS.
  • B. Unknown unicast flooding is not allowed.
  • C. Use the otv flood mac <> command to selectively flood traffic for a given MAC.
  • D. Use the otv isis bfd <> command to configure BFD protocol.
Mark Question:
Answer:

C


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Question 3

Refer to the exhibit.

After a failover occurs, which two actions must be performed on Switch-B to manually preempt the
operational primary role back to Switch-A? (Choose two.)

  • A. Configure the local vPC role priority to have a lower value than Switch-A.
  • B. Configure the local vPC role priority to have a higher value than Switch-A.
  • C. Disable and then re-enable the vPC peer-keepalive link.
  • D. Configure the local vPC role priority to have the same value as Switch-A.
  • E. Disable and then re-enable the vPC peer link.
Mark Question:
Answer:

B, E


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Question 4

Refer to the exhibit.

An OSPF adjacency between Router-A and Router-B cannot reach the FULL state. Which action
resolves the issue?

  • A. Adjust the MTU on Router-A to 1600.
  • B. Disable the check of the MTU value.
  • C. Set the OSPF media type to point-to-point.
  • D. Adjust the MTU on Router-B to 1604.
Mark Question:
Answer:

B


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Question 5

The Cisco Nexus switch is connected to a peer switch that is not running Cisco NX-OS. The switches
are connected using port channel and are experiencing packet loss. Which action should be
performed on the Cisco Nexus switch ports to resolve this issue?

  • A. Turn on lacp suspend-individual.
  • B. Turn on lacp graceful-convergence.
  • C. Turn off lacp graceful-convergence.
  • D. Turn off lacp suspend-individual.
Mark Question:
Answer:

C


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Question 6

Refer to the exhibit.

The HSRP configuration in the exhibit fails to function. Which action resolves this issue?

  • A. Enable IP redirects.
  • B. Set the MTU to 1500 bytes.
  • C. Configure HSRP version 2.
  • D. Configure the same HSRP group on both devices.
Mark Question:
Answer:

C


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Question 7

Refer to the exhibit.

The HSRP instance on both switches is showing as active. Which action resolves the issue?

  • A. Configure the HSRP timers to be the same.
  • B. Allow VLAN 100 between the switches.
  • C. Configure the IP address of N9K-B on the same subnet as N9K-A.
  • D. Configure preempt on only one of the switches.
Mark Question:
Answer:

D


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Question 8

An engineer is troubleshooting a fabric discovery failure. Which two requirements must an engineer
verify about switch connectivity to solve the problem? (Choose two.)

  • A. A Cisco APIC must be attached to a spine node only.
  • B. A Cisco APIC must be attached to leaf nodes.
  • C. Spine nodes must connect to other spine nodes.
  • D. A Cisco APIC must be dual-attached to two separate spine nodes.
  • E. Leaf nodes must connect to spine nodes only.
Mark Question:
Answer:

BE


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Question 9

Refer to the exhibit.

A network engineer has connected the Nexus switch management port to the Internet using DHCP to
allow the Guest shell running on the switch to download Python packages. The engineer can ping
google.com successfully from the Nexus switch, but the Guest shell failed to download any Python
packages. Which action resolves the problem?

  • A. Update the Python packages on the Cisco Nexus switch directly.
  • B. Manually configure DNS in the Guest shell, even if it is claimed on the Cisco Nexus switch through DHCP.
  • C. Manually configure NTP in the Guest shell.
  • D. Connect Guest shell to data plane interfaces to be able to connect to the networks outside the Cisco Nexus switch.
Mark Question:
Answer:

B


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Question 10

Refer to the exhibit.

vPC between switch1 and switch2 is not working. Which two actions are needed to fix the problem?
(Choose two.)

  • A. Match vPC domain ID between the two devices.
  • B. Configure IP address on the interface.
  • C. Activate VLANs on the vPC.
  • D. Configure vPC peer link and vPC peer keepalive correctly.
  • E. Configure one of the switches as primary for the vPC.
Mark Question:
Answer:

AC


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Question 11

Refer to the exhibit.

Sw1 and Sw2 are two Cisco Nexus 9000 Series Switches that run Cisco NX-OS. They are VTEPs in the
same vPC domain. Which statement describes what happens in this scenario?

  • A. Sw1 drops all traffic because there is no (S, G) OIF list to encapsulate VXLAN multicast packets and send them out to the underlay network through the uplink interfaces.
  • B. Sw1 performs the VxLAN multicast encapsulation and decapsulation for all traffic associated with the VxLAN VNIs.
  • C. Sw1 and switch 2 perform the VxLAN multicast encapsulation and decapsulation for all traffic associated with the VxLAN VNIs, depending on the hashing.
  • D. Sw2 did not send an IP PIM register to the rendezvous point for the multicast group of the VXLAN VNI.
Mark Question:
Answer:

C


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Question 12

A customer configures HSRP between two data centers that are interconnected with OTV. The
configuration succeeds, but traffic between two ESXi virtual hosts on the same site is routed
suboptimally through the OTV overlay. Which two actions optimize the traffic? (Choose two.)

  • A. Disable first-hop redundancy.
  • B. Filter HSRP traffic by using a Layer 3 VACL on the OTV edge devices.
  • C. Filter HSRP by using a Layer 2 MAC-list on the ESXi vSwitch.
  • D. Filter HSRP traffic by using a Layer 3 VACL on the ESXi vSwitch.
  • E. Filter HSRP by using a Layer 2 MAC-list on the OTV edge devices.
Mark Question:
Answer:

AB


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Question 13

An engineer removes a VMM domain from an endpoint group called EPG-1, but the distributed port
group fails to be deleted. Which action must be taken to resolve the issue?

  • A. Remove the port group manually.
  • B. Migrate all virtual machines in the EPG-1 to different hypervisors.
  • C. Remove the remaining EPGs from the VMM domain.
  • D. Migrate all virtual machines in the EPG-1 to different port groups.
Mark Question:
Answer:

D


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Question 14

Refer to the exhibit.

HSRP adjacency fails to form between Nexus7K-1 and Nexus7K-2. Which action should be taken to
solve the problem?

  • A. Configure preempt on one of the switches in the HSRP group.
  • B. Configure the same HSRP priority between the two switches.
  • C. Configure the correct subnet mask on Nexus7K-1.
  • D. Configure HSRP version 2 on Nexus7K-2.
Mark Question:
Answer:

D


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Question 15

An engineer is troubleshooting a packet flow from an access leaf to spine. Which EVPN routes are
expected on this connection?

  • A. EVPN Type 1-5
  • B. EVPN Type 0,9,15
  • C. EVPN Type 9-15
  • D. EVPN Type 0,16
Mark Question:
Answer:

A


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