Download Introducing Cisco Data Center Technologies.testkings.200-155.2019-03-18.1e.92q.vcex


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Exam Introducing Cisco Data Center Technologies
Number 200-155
File Name Introducing Cisco Data Center Technologies.testkings.200-155.2019-03-18.1e.92q.vcex
Size 1.87 Mb
Posted March 18, 2019
Downloads 30


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Demo Questions

Question 1
Which two Cisco Nexus 1000V Series Switch features exceed the functionality of the VMware vNetwork Distributed Switch? (Choose two.)

  • A: access control lists
  • B: QoS marking
  • C: Network vMotion
  • D: port state migration
  • E: DV Port Groups
Correct Answer: AB



Question 2
Which model is a deployment model in cloud computing?

  • A: automatic cloud
  • B: layered cloud
  • C: private cloud
  • D: collapsed cloud
Correct Answer: C
Cloud Deployment ModelsA cloud deployment model represents a specific type of cloud environment, primarily distinguished by ownership, size, and access. 
There are four common cloud deployment models:
Public Clouds 
Community Clouds 
Private Clouds 
Hybrid Clouds 
Other Deployment Models 
Reference: http://whatiscloud.com/cloud_deployment_models/index



Question 3
Which statement about a bridge domain is true?

  • A: A bridge domain must be linked to one internal network and one external network.
  • B: A bridge domain must be linked to a physical domain.
  • C: A bridge domain typically has at least one subnet that is associated with it.
  • D: A bridge domain must have at least one external network that is associated with it.
Correct Answer: A



Question 4
Which two options are primary elements of a tenant? (Choose two.)

  • A: firewall rules
  • B: contracts
  • C: EPG
  • D: access policies
  • E: switch domains
Correct Answer: BC
Tenants can be isolated from one another or can share resources. The primary elements that the tenant contains are filters, contracts, outside networks, bridge domains, contexts, and application profiles that contain endpoint groups (EPGs). Entities in the tenant inherit its policies. 
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/basic-config/b_ACI_Config_Guide/b_ACI_Config_Guide_chapter_0100.html



Question 5
What are two advantages to running FabricPath in the data center over using Spanning Tree? (Choose two.)

  • A: provides multichassis EtherChannel capabilities
  • B: allows every switch to send BPDUs to each other to ensure the L2 topology is synchronized
  • C: has L2 multipath forwarding capabilities
  • D: uses 802.1q trunks to ensure VLANs are propagated through the topology
  • E: uses TTL field to provide loop mitigation
Correct Answer: CE
Efficiency and high performance − Because equal-cost multipath (ECMP) can be used the data plane, the network can use all the links available between any two devices. The first-generation hardware supporting Cisco FabricPath can perform 16-way ECMP, which, when combined with 16-port 10-Gbps PortChannels, represents bandwidth of 2.56 terabits per second (Tbps) between switches. 
Loop prevention and mitigation is available in the data plane, helping ensure safe forwarding that cannot be matched by any transparent bridging technology. Cisco FabricPath frames include a timeto-live (TTL) field similar to the one used in IP, and a reverse-path forwarding (RPF) check is also applied 
Reference: http://www.cisco.com/c/dam/en/us/products/collateral/switches/nexus-7000-series-switches/at_a_glance_c45-605626.pdf



Question 6
Which privilege is assigned by default to the UCS Manager Storage Administrator user role?

  • A: service-storage-security-config
  • B: service-admin-config
  • C: service-admin
  • D: service-profile-storage
Correct Answer: D
  

Reference:
http://www.cisco.com/en/US/docs/unified_computing/ucs/sw/gui/config/guide/141/UCSM_GUI_Configuration_Guide_141_chapter9.html#concept_842995A3D6954CDDBC07EAB7EE6E74B5



Question 7
The APIC is responsible for which two processes? (Choose two.)

  • A: network policy configuration
  • B: fabric segmentation
  • C: BGP end-node emulation
  • D: ISL blocking per STP implementation
  • E: switch firmware management
Correct Answer: AE
The APIC is responsible for fabric activation, switch firmware management, network policy configuration, and instantiation. While the APIC acts as the centralized policy and network management engine for the fabric, it is completely removed from the data path, including the forwarding topology. Therefore, the fabric can still forward traffic even when communication with the APIC is lost. 
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/aci-fundamentals/b_ACI-Fundamentals/b_ACI-Fundamentals_chapter_010000.pdf



Question 8
What are two main benefits of standardized open API’s in a multi-vendor environment? (Choose two.)

  • A: automation
  • B: clustering
  • C: interoperability
  • D: centralized management
  • E: configuration management
Correct Answer: AD



Question 9
Which item in Cisco Unified Computing System is subject to finite state machine validation?

  • A: SNMP get
  • B: server boot
  • C: firmware downloads
  • D: server discovery
Correct Answer: D
An FSM is a workflow model, similar to a flow chart, that is composed of the following:
A finite number of stages (states) 
Transitions between those stages 
Operations 
The current stage in an FSM is determined by past stages and the operations performed to transition between the stages. A transition from one stage to another is dependent on the success or failure of an operation. 
Cisco UCS Manager uses FSM tasks that run in the Data Management Engine (DME) to manage end points in the Cisco UCS object model, including the following:
Physical components (chassis, I/O module, servers) 
Logical components (LAN cloud, policies) 
Workflows (server discovery, service profile management, downloads, upgrades, backups) 
Reference: http://www.cisco.com/en/US/docs/unified_computing/ucs/ts/Frame-Files-Converted-to-DITA--Do-Not-Use/TS_FSM.html



Question 10
Which management platform reduces server provisioning time by automatically performing an inventory and deep discovery when new devices are attached?

  • A: UCS Manager
  • B: UCS Server
  • C: CDP Manager
  • D: Enterprise Manager
Correct Answer: A
One of the main solution benefits is the reduction in server provisioning time. Whenever additional chassis are racked, stacked, and cabled and their server ports are configured, the Cisco UCS Manager will automatically perform an inventory and deep discovery of any subsequently attached equipment, without requiring manual intervention. Regardless of how many new chassis are connected, the discovery process would take about 10 minutes to discover all chassis in parallel and bring their physical resources in to the information tree under the Equipment tab. 
Reference: http://www.cisco.com/c/en/us/products/collateral/servers-unified-computing/ucs-manager/whitepaper_c11-697337.html









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