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Home Cisco® 400-151

Cisco® 400-151 Exam Practice Questions (P. 2)

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Question #11
Which three main functions are provided by OTV to achieve failure isolation? (Choose three.)
  1. A
    optimal outbound routing
  2. B
    unknown Unicast traffic suppression
  3. C
    ARP optimization
  4. D
    use of multiple OTV overlays
  5. E
    Spanning Tree isolation
  6. F
    unicast policy control

Correct Answer:
BCE

Question #12

Refer to the exhibit. If you inspect a VXLAN packet at point 2, which two options about the outer fields in the VXLAN header are two? (Choose two.)
  1. A
    Outer S-IP = IP-1 ; Outer D-IP = IP-2.
  2. B
    Outer S-IP = IP-A : Outer D-IP = IP-B.
  3. C
    Outer S-MAC = MAC-1 ; Outer D-MAC= MAC-4.
  4. D
    Outer S-MAC = NAC-A ; Outer D-MAC = MAC-B.
  5. E
    Outer S-IP = IP-1 ; Outer D-IP = IP-4.
  6. F
    Outer S-MAC = MAC-1 ; Outer D-MAC = MAC-2 EF

Correct Answer:
Explanation

Question #13
Which two guidelines and limitations of NetFlow on Cisco NX OS are true? (Choose two.)
  1. A
    The Cisco Nexus 2000 Series Fabric Extender does not support bridged NetFlow.
  2. B
    If you change a Layer 2 interface to a Layer 3 interface, the software converts the Layer 2 NetFlow to Layer 3 NetFlow automatically.
  3. C
    You must configure a sourceinterface. If you do not configure a source interface, the exported remains in a disables state.
  4. D
    Valid record name is optional to configure.
  5. E
    Only Layer 2 NetFlow is applied on Layer 2 interfaces, and only Layer 3 NetFlow is applied on Layer 3 interfaces.

Correct Answer:
CE

Question #14
For which two multicast distribution modes is RP Configuration required? (Choose two.)
  1. A
    BIDIR
  2. B
    RPF routes for multicast
  3. C
    SSM
  4. D
    ASM AD

Correct Answer:
Explanation

Question #15
DRAG DROP -
Drag and drop the feature from the left onto the correct benefit on the right.
Select and Place:


Correct Answer:

Question #16
Which three statements about ASM and SSM are correct? (Choose three.)
  1. A
    By default, the SSM group range for PIM is 232.0.0.0/8 and for PIM6 is FF3x/96.
  2. B
    PIM ASM is not fully supported on a vPC.
  3. C
    In ASM mode, only the last-hop router switches from the shared tree to theSPT.
  4. D
    ASM mode requires that you configure an RP.
  5. E
    If you want to use the default SSM group range, you must configure the SSM group range.

Correct Answer:
ACD

Question #17
DRAG DROP -
Drag and drop the spanning-tree port from the left onto the correct description on the right.
Select and Place:


Correct Answer:

Question #18

Refer to the exhibit. Within an ACI fabric, a routing protocol is needed to assist with route redistribution between the outside networks and the internal fabric.
Which routing protocol is needed to run in the fabric at location 1 to allow the VM access to the networks advertised by the external Layer 3 network.
  1. A
    iBGP
  2. B
    eBGP
  3. C
    IS-IS
  4. D
    MP-BGP
  5. E
    OSPF

Correct Answer:
D

Question #19
Which option is achieved by enabling FabricPath?
  1. A
    decreases the mobility and virtualization
  2. B
    loop prevention and mitigation without the use of Spanning Three
  3. C
    Layer 2 multipathing in the FabricPath network
  4. D
    single control plane only for multicast traffic BC

Correct Answer:
Explanation

Question #20
Which three statements are true about redistribution of routes from L3Outs in an ACI fabric? (Choose three.)
  1. A
    ACI fabric runs MP-BGP.
  2. B
    Route control subnets control the exchange of routing information (prefixes) into and out of the fabric (control plane).
  3. C
    Routes are nor redistributed to leaf switches where the same VRF is present.
  4. D
    Routes learned from L3Outs on border leaf switches are not redistributed into MP-BGP at the ingress leaf.
  5. E
    Security import subnets control the forwarding of packets into and out of L3Out connections (data plane).
  6. F
    The routes are advertised to all external Layer 3 Outside connections.

Correct Answer:
ABE

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