Download CCIE Data Center Written Exam.certkey.400-151.2019-12-12.1e.193q.vcex

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Exam CCIE Data Center Written Exam
Number 400-151
File Name CCIE Data Center Written Exam.certkey.400-151.2019-12-12.1e.193q.vcex
Size 8.12 Mb
Posted December 12, 2019
Downloads 13
Download CCIE Data Center Written Exam.certkey.400-151.2019-12-12.1e.193q.vcex

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Demo Questions

Question 1

Which three guidelines and limitations of policy-based routing are true? (Choose three.)

  • A: A match command can refer to more than one ACL in a route map for policy-based routing.
  • B: Setting a tunnel interface or an IP address via a tunnel interface as a next hop in a police-based routing policy is not supported.
  • C: The same route map can be shared among different interfaces for policy-based routing as long as interfaces belong to the same VRF instance.
  • D: An ACL used in a policy-based routing route map cannot include a deny statement.
  • E: A policy-based routing route map can have multiple match or set statements per route-map statement.
  • F: Policy-based routing and WCCPv2 are not supported on the same interface if bank chaining is disabled.

Correct Answer: BCD

Policy-based routing has the following configuration guidelines and limitations:
A policy-based routing route mapcan have only one match or set statement per route-map statement. 
A match command cannot refer to more than one ACL in a single route-map statement/clause. 
Policy-based routing is not supported with inbound traffic on FEX ports. 
An ACL used in a policy-based routing route map cannot include a deny statement. 
The same route map can be shared among different interfaces for policy-based routing as long as the interfaces belong to the same virtual routing and forwarding (VRF) instance. 
Setting atunnel interface or an IP address via a tunnel interface as a next hop in a policy-based routing policy is not supported. 




Question 2

Which three options are common PTP device types? (Choose three.)

  • A: network clock
  • B: sundials
  • C: boundary clock
  • D: transparent clock
  • E: ordinary clock
  • F: crystal clock

Correct Answer: CDE




Question 3

Which two options are functions of the 6LoWPAN header? (Choose two.)

  • A: packet fragmentation and reassembly
  • B: limit the lifespan of a packet (TTL)
  • C: IPv6 header compression
  • D: cyclic redundancy check
  • E: Layer 2 encryption

Correct Answer: AC




Question 4

Which three options are benefits of the vPC peer switch feature? (Choose three.)

  • A: After the peer link comes up, it performs an ARP bulk sync over CFSoE to the peer switch
  • B: It improves convergence forLayer 3 flows.
  • C: It allows a pair of vPC peer devices to appear as a single STP root in the Layer 2.
  • D: It simplifies STP configuration by configuring both vPC with the same STP priority.
  • E: It eliminates the recommendation to pin the STP root to the vPCprimary switch.

Correct Answer: CDE




Question 5

Which statement about glean throttling in Cisco NX-OS is true?

  • A: The traffic shaping feature in Cisco NX-OS to avoid bottle necks in the network.
  • B: Cisco NX-OS supports a rate-limiting feature to manage the access bandwidth policy for a network by ensuring that traffic falling within specified rate parameters is sent, while dropping packets that exceed the acceptable amount of traffic or sending them a different priority.
  • C: When forwarding an incoming IP packet in a line card, if the Address Resolution Protocol request for the next hop is not resolved, the line card forwards the packets to the supervisor. The supervisor resolves the MAC address for the next hop and programs the hardware.
  • D: The traffic policing feature manages the maximum rate of traffic through a token bucket algorithm. The token bucket algorithm can use the user-configured values to determine the maximum rate of traffic allowed on an interface at a given moment in time.

Correct Answer: C




Question 6

Which two guidelines apply to private VLAN configuration when you are running FabricPath (Choose two.)

  • A: On the F-Series modules, user-configured static MAC addresses are programmed on all forwarding engines that have ports in that VLAN.
  • B: The system does support hierarchical static MAC addresses.
  • C: FabricPath ports can be put into a private VLAN.
  • D: All VLANs in a private VLAN must be in the same VLAN mode; either CE or FabricPath.

Correct Answer: AD




Question 7

Which two guidelines and limitations of NetFlow on Cisco NX OS are true? (Choose two.)

  • A: The Cisco Nexus 2000 Series Fabric Extender does not support bridged NetFlow.
  • 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.
  • C: You must configure a sourceinterface. If you do not configure a source interface, the exported remains in a disables state.
  • D: Valid record name is optional to configure.
  • 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 8

For which two multicast distribution modes is RP Configuration required? (Choose two.)

  • A: BIDIR
  • B: RPF routes for multicast
  • C: SSM
  • D: ASM

Correct Answer: AD




Question 9

  

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.

  • A: iBGP
  • B: eBGP
  • C: IS-IS
  • D: MP-BGP
  • E: OSPF

Correct Answer: D




Question 10

Which option is achieved by enabling FabricPath?

  • A: decreases the mobility and virtualization
  • B: loop prevention and mitigation without the use of Spanning Tree
  • C: Layer 2 multipathing in the FabricPath network
  • D: single control plane only for multicast traffic

Correct Answer: BC










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