Download Designing Cisco Data Center Infrastructure.test-king.300-160.2019-10-16.1e.267q.vcex

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Exam Designing Cisco Data Center Infrastructure
Number 300-160
File Name Designing Cisco Data Center Infrastructure.test-king.300-160.2019-10-16.1e.267q.vcex
Size 6.68 Mb
Posted October 16, 2019
Downloads 15
Download Designing Cisco Data Center Infrastructure.test-king.300-160.2019-10-16.1e.267q.vcex

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Demo Questions

Question 1

Which statement accurately describes the configuration requirements for disjoint Layer 2 networks on Cisco UCS?

  • A: The Cisco UCS Fabric Interconnect must be in switch mode.
  • B: The VLAN IDs must overlap in both Layer 2 domains.
  • C: All of the uplinks must be in one port channel to keep all of the ports active.
  • D: The Cisco UCS Fabric Interconnect must be in end-host mode.

Correct Answer: D

Reference: http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/gui/config/guide/2-2/b_UCSM_GUI_Configuration_Guide_2_2/configuring_upstream_disjoint_layer_2_networks.pdf




Question 2

Which two options represent an access layer solution designed to accelerate server virtualization, that is managed just like other network devices in the data center? (Choose two.)

  • A: MPIO
  • B: host vPC
  • C: VEM
  • D: VSS
  • E: VSM

Correct Answer: CE

When server virtualization is implemented, the edge of the network is pushed from the traditional location in the network access layer, implemented in physical switches, to the virtual network access layer that is implemented in software in the server hypervisor. The Cisco Nexus 1000V Switch is an intelligent virtual network access layer switch that runs Cisco NX-OS Software, Cisco's data center operating system that runs on all Cisco data center products. Operating inside the Microsoft Hyper-V hypervisor, the Cisco Nexus 1000V supports Cisco Virtual Network Link (VN-Link) server virtualization technology to provide:  
✑ 
Policy-based virtual machine connectivity  
✑ Mobile virtual machine security and network policy  
✑ Nondisruptive operating model for your server virtualization and networking teams When server virtualization is implemented in the data center, servers and virtual machines are not managed the same way as physical servers. Server virtualization is treated as a special deployment, leading to longer deployment time, with more coordination needed among server, network, storage, and security administrators. With the Cisco Nexus 1000V, you have a consistent networking feature set and configuration and provisioning model for both the physical and the virtual networks. Virtual machine networks can use the same network configuration, security policy, diagnostic tools, and operating models as physical server deployments that are connected to physical switches. This unified approach provides faster deployment and troubleshooting and makes the administration of virtualization environments essentially the same as for nonvirtualized deployments.  Developed in close collaboration with Microsoft, the Cisco Nexus 1000V Switch is certified by Microsoft and integrates with Microsoft Windows Server and Microsoft System Center Virtual Machine Manager (SCVMM). You can use the Cisco Nexus 1000V to manage your virtual machine connectivity with confidence in the integrity of the server virtualization infrastructure.   
Cisco Nexus 1000V Switch Components   
Cisco Nexus 1000V Switches have two main components:  
✑ Virtual supervisor module (VSM)  
✑ Virtual Ethernet module (VEM)  
The VSM provides the switch control and management plane, and the VEM provides the data plane for the switch (Figure 1). The VSM can run as a virtual machine on any Microsoft Hyper-V host or as a virtual service node on the Cisco Nexus 1010 and 1110. The VEM runs as a plug-in (extension) to the Microsoft Hyper-V switch in the hypervisor kernel, providing switching between virtual machines.   
Cisco Nexus 1000V sees the VSMs and VEMs as modules. In the current release, a single VSM can manage up to 64 VEMs. The VSMs are always associated with slot numbers 1 and 2 in the virtual chassis. The VEMs are sequentially assigned to slots 3 through 66 based on the order in which their respective hosts were added to the Cisco Nexus 1000V Switch.




Question 3

Service graphs are used to define which option on the Cisco ACI platform?

  • A: a function that a contract must use to get to another contract
  • B: a function that an EPG must use to get to another EPG
  • C: the contract between two EPGs
  • D: the Cisco APIC definitions of the contracts in REST API

Correct Answer: A




Question 4

Which two options are supported on Cisco UCS Fabric Interconnects that use native Fibre Channel connectivity? (Choose two.)

  • A: iSCSI
  • B: NFS
  • C: DAS
  • D: SAN
  • E: iFCP

Correct Answer: AB




Question 5

If you are connecting a Cisco UCS Fabric Interconnect in its default mode to a SAN, what is the operating mode?

  • A: trunk
  • B: NPIV mode
  • C: switching
  • D: NPV mode

Correct Answer: B




Question 6

Which component of a Cisco Nexus 1000V Series switch is responsible for propagating configurations to virtual switches?

  • A: SUP
  • B: FEX
  • C: VSM
  • D: VEM

Correct Answer: D

Product Architecture  
The Cisco Nexus 1000V Series Switch has two major components (Figure 1): the virtual Ethernet module (VEM), which runs inside the hypervisor, and the virtual supervisor module (VSM), which manages the VEMs. 
Virtual Supervisor Module  
The Cisco Nexus 1000V Series VSM controls multiple VEMs as one logical modular distributed virtual switch. Configuration is performed through the VSM and is automatically propagated to the VEMs.  
Reference: https://www.cisco.com/c/en/us/products/collateral/switches/nexus-1000v-switch-vmware-vsphere/data_sheet_c78-492971.html




Question 7

Which two characteristics are associated with the access layer of a Data Center Unified Fabric network? (Choose two.)

  • A: voice, data, and wireless convergence
  • B: no packet manipulation
  • C: QoS-policing
  • D: routing manipulation and filtering
  • E: QoS – classification and queueing

Correct Answer: AE




Question 8

Which option accurately describes the OSPF Graceful Restart feature in Cisco NX-OS?

  • A: keeps the plane state active during an OSPF process restart
  • B: shuts down the OSPF process gracefully to replace the router
  • C: prevents the OSPF process from restarting when the process crashes
  • D: allows a router to remain in the data forwarding path during an OSPF process restart

Correct Answer: D

A graceful restart, or nonstop forwarding (NSF), allows OSPFv2 to remain in the data forwarding path through a process restart. When OSPFv2 needs to perform a graceful restart, it sends a link-local opaque (type 9) LSA, called a grace LSA. 
Reference: https://networklessons.com/cisco/ccie-routing-switching-written/ospf-graceful-restart/




Question 9

When you configure FCIP, which two types of acceleration can you enable to maximize WAN link utilization? (Choose two.)

  • A: SCSI write
  • B: link
  • C: SCSI tape
  • D: WAN
  • E: IP

Correct Answer: BD

Reference:
http://www.cisco.com/en/US/products/ps5989/products_configuration_guide_chapter09186a0080664e20.html




Question 10

Which technology provides additional scalability and simplification of an Ethernet network, providing more efficient forwarding and eliminating the need for the STP?

  • A: vPC
  • B: PVST+
  • C: FabricPath
  • D: OTV

Correct Answer: C










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