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Exam Designing Cisco Data Center Infrastructure
Number 300-160
File Name Designing Cisco Data Center Infrastructure.testking.300-160.2018-11-12.1e.250q.vcex
Size 8.41 Mb
Posted November 12, 2018
Downloaded 6



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Demo Questions

Question 1

Which two statements accurately describe lossless iSCSI? (Choose two.)

  • A: A lossless iSCSI provides additional flow control by using pause frames at the Ethernet layer along with TCP flow control.
  • B: Bandwidth is shared with all of the traffic on the wire.
  • C: A lossless iSCSI works only on DCBX-enabled switches.
  • D: A lossless iSCSI can be combines with native Fibre Channel fabrics to provide redundancy.
  • E: A lossless iSCSI works on all Ethernet switches.

Correct Answer: AC

Reference: http://www.cisco.com/c/en/us/products/collateral/storage-networking/mds-9700-series-multilayer-directors/white-paper-c11-734014.html




Question 2

Which item represents a method of increasing storage utilization efficiency?

  • A: thick provisioning
  • B: thin provisioning
  • C: transparent provisioning
  • D: weighted provisioning

Correct Answer: B




Question 3

You have a Cisco UCS B-Series Blade Server chassis connected, which has four 10-Gbps connections to Cisco UCS Fabric Interconnect A. You plan to deploy a blade that has ESXi installed. You must provide a dedicated 10-Gbps uplink to the blade. Which two actions should you perform? (Choose two.)

  • A: Configure a port channel between the Fabric Interconnect and the IOM.
  • B: Implement a QoS policy that has a policy bandwidth and assign the policy to a server profile.
  • C: Configure static pining to the uplink port in the server profile.
  • D: Configure dynamic pinning to the uplink port in the server profile.
  • E: Configure a vPC between the Fabric Interconnect and the IOM.

Correct Answer: AB




Question 4

What is one example that is true concerning network management for the data center?

  • A: It utilizes flexible NetFlow for enhanced network anomaly and security detection.
  • B: The Network Analysis Module is best deployed in the core for highest visibility.
  • C: NetFlow Data Export is best positioned on the Nexus 5500 at the access or aggregation layers.
  • D: NetFlow support is available on most IOS and Nexus products, excluding the Nexus 1000v.

Correct Answer: A




Question 5

Which statement accurately describes VSAN-based QoS when the same flow is present in two class maps that are associated to a policy map?

  • A: The highest QoS value is used.
  • B: The lowest QoS value is used.
  • C: The QoS value of the class map that is attached first takes effect.
  • D: The QoS value of the class map that is attached last takes effect.

Correct Answer: C

Reference: http://www.cisco.com/en/US/products/ps5989/products_configuration_guide_chapter09186a0080663141.html




Question 6

Which option must be enabled to allow line-rate forwarding on a Fibre Channel port?

  • A: F port
  • B: TE port
  • C: dedicated mode
  • D: shared mode
  • E: E port

Correct Answer: C

Dedicated Rate Mode 
When port rate mode is configured as dedicated, a port is allocated required fabric bandwidth and related resources to sustain line rate traffic at the maximum operating speed configured for the port. In this mode, ports do not use local buffering and all receive buffers are allocated from a global buffer pool. 
Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/configuration/guides/interfaces/nx-os/cli_interfaces/gen2.html




Question 7

In a three-tier SAN topology, which network layer should you connect the SAN initiators to?

  • A: storage edge
  • B: core
  • C: host edge
  • D: distribution

Correct Answer: A

Reference: https://supportforums.cisco.com/t5/data-center-documents/core-edge-and-collapse-core-san-topologies/ta-p/3149001




Question 8

Which SAN port type should you use on an NPIV core switch that connects to an NPV edge switch?

  • A: FL
  • B: F
  • C: N
  • D: TE
  • E: E

Correct Answer: B

  

Reference:
https://www.cisco.com/c/en/us/support/docs/storage-networking/mds-9000-series-multilayer-switches/200127-N-Port-Identifier-Virtualization-NPIV.html
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/5_0/configuration/guides/int/nxos/cli_interfaces/npv.pdf




Question 9

How is oversubscription between disk arrays and hosts calculated when you use only line-rate capable line cards?

  • A: by dividing the total bandwidth of the disk array ports by the total bandwidth of the Inter-Switch Links
  • B: by dividing the total bandwidth of the host ports by the total bandwidth of the disk array ports
  • C: by dividing the total bandwidth of the host ports by the total bandwidth of the Inter-Switch Links
  • D: by dividing the total bandwidth of the disk array ports by the total bandwidth of the host ports

Correct Answer: B

Oversubscription is a networking term that is generally defined as the overall bandwidth ratio between host and storage array ports




Question 10

Which type of device can be deployed to add multi-homing capability to an OTV implementation?

  • A: vPC
  • B: IS-IS
  • C: Edge
  • D: Layer 2 gateway

Correct Answer: C

Multi-Homing 
One key function built in the OTV protocol is multi-homing where two (or more) OTV edge devices provide LAN extension services to a given site. As mentioned, this redundant node deployment, combined with the fact that STP BPDUs are not sent across the OTV overlay, may lead to the creation of an end-to-end loop:

  

Reference:
https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/DCI/whitepaper/DCI3_OTV_Intro/DCI_1.html










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