300-620 practice questions 91–100

1. Question 91 · 340 in bank

   An engineer is troubleshooting fabric discovery in a newly deployed Cisco ACI fabric and analyzes this output:

   

   Which ACI fabric address is assigned to interface lo1023?

   • AVXLAN tunnel endpoint
   • BPhysical tunnel endpoint
   • CFabric tunnel endpoint
   • DDynamic tunnel endpoint

   Show answer

   Answer: C

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2. Question 92 · 340 in bank

   

   Refer to the exhibit. A systems engineer is implementing the Cisco ACI fabric. However, the Server2 information is missing from the Leaf 101 endpoint table and the COOP database of the spine. The requirement is for the bridge domain configuration to enforce the ACI fabric to forward the unicast packets generated by Server1 destined to Server2. Which action must be taken to meet these requirements?

   • AEnable ARP Flooding
   • BSet L2 Unknown Unicast to Flood
   • CSet IP Data-Plane Learning to No
   • DEnable Unicast Routing

   Show answer

   Answer: B

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3. Question 93 · 340 in bank

   An engineer must allow multiple external networks to communicate with internal ACI subnets. Which action should the engineer take to assign the prefix to the class ID of the external Endpoint Group?

   • AEnable the Export Route Control Subnet for the External Endpoint Group flag.
   • BEnable an L3Out with Shared Route Control Subnet.
   • CConfigure subnets with the External Subnets for External EPG flag enabled.
   • DConfigure subnets with the Import Route Control Subnet flag enabled.

   Show answer

   Answer: C

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4. Question 94 · 340 in bank

   Select 3

   An engineer must ensure that Cisco ACI flushes the appropriate endpoints when a topology change notification message is received in an MST domain. Which three steps are required to accomplish this goal? (Choose three.)

   • AEnable the BPDU interface controls under the spanning tree interface policy.
   • BConfigure a new STP interface policy.
   • CBind the spanning tree policy to the switch policy group.
   • DAssociate the STP interface policy to the appropriate interface policy group.
   • ECreate a new region policy under the spanning tree policy.
   • FMap VLAN range to MST instance number.

   Show answer

   Answer: CEF

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5. Question 95 · 340 in bank

   Select 2

   A Cisco ACI bridge domain and VRF are configured with a default data-plane learning configuration. Which two endpoint attributes are programmed in the leaf switch when receiving traffic? (Choose two.)

   • ARemote MAC, IP
   • BRemote Subnet
   • CLocal IP, not MAC
   • DLocal MAC, IP
   • ELocal Subnet
   • FRemote IP

   Show answer

   Answer: DF

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6. Question 96 · 340 in bank

   

   Refer to the exhibit. An engineer wants to initiate an ICMP ping from Server1 to Server2. The requirement is for the BD1 to enforce ICMP replies that follow the expected path. The packets must be prevented from taking the direct path from Leaf1 to Server1. Which action must be taken on BD1 to meet these requirements?

   • ASet L2 Unknown Unicast to Flood.
   • BSet L2 Unknown Unicast to Hardware Proxy.
   • CDisable Unicast Routing.
   • DEnable ARP Flooding.

   Show answer

   Answer: C

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7. Question 97 · 340 in bank

   A network engineer must configure a Cisco ACI system to detect network loops for untagged and tagged traffic. The loop must be detected and stopped by disabling an interface within 4 seconds. Which configuration must be used?

   • A//IMG//
   • B//IMG//
   • C//IMG//
   • D//IMG//

   Show answer

   Answer: B

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8. Question 98 · 340 in bank

   An engineer must configure a group of servers with a contract that uses TCP port 80. The EPG that contains the web servers requires an external Layer 3 cloud to initiate communication. Which action must be taken to meet these requirements?

   • AConfigure the EPG as a provider and L3 out as consumer of the contract.
   • BConfigure OSPF to exchange routes between the L3 out and EPG.
   • CConfigure a taboo contract and apply it to the EPG.
   • DConfigure the EPG as a consumer and L3 out as a provider of the contract.

   Show answer

   Answer: A

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9. Question 99 · 340 in bank

   Select 2

   The unicast routing feature is enabled on the bridge domain. Which two conditions enable the Cisco ACI leaf to learn a source IP as a local endpoint? (Choose two.)

   • AThrough Ethernet traffic received in a bridge domain.
   • BIP traffic routed through an SVI.
   • CThrough VXLAN traffic received on the uplink.
   • DIP traffic routed through a Layer 3 Out.
   • EThrough ARP received on an SVI.

   Show answer

   Answer: BE

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10. Question 100 · 340 in bank

    When does the Cisco ACI leaf learn a source IP or MAC as a remote endpoint?

    • AWhen VXLAN traffic arrives on a leaf fabric port from the spine and outer source IP is in the Layer 3 Out EPG subnet range.
    • BWhen VXLAN traffic arrives on a leaf fabric port from the spine and outer source IP is in the bridge domain subnets range.
    • CWhen VXLAN traffic arrives on a leaf fabric port from the spine and inner source IP is in the Layer 3 Out EPG subnet range.
    • DWhen VXLAN traffic arrives on a leaf fabric port from the spine and inner source IP is in the bridge domain subnets range.

    Show answer

    Answer: D

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300-620 practice, question 91. 340 questions available.