2016/12 New Cisco 400-151: CCIE Data Center Written Exam v2.0Exam Questions Updated Today!
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QUESTION 11
Which four products are part of the cisco virtual application container service? (Choose 4)
A. Application Policy Infrastructure Controller
B. Cisco Virtual Security Gateway
C. Cisco Prime Network Services controller
D. Cisco ASR 1000 Router
E. Cisco Nexus 1000V
F. Cisco UCS Director
Answer: BCEF
QUESTION 12
Which two statement about Cisco UCS Director Workflow are true? (Choose 2)
A. You build workflows using a drag-and-drop user interface called workflow designer.
B. Each task in workflow designer is built using python script.
C. Looping and conditional branching cannot be implemented.
D. You arrange tasks in sequence and define inputs and outputs t othose tasks. Outputs from earlier tasks are available to use as inputs to any subsequent task.
Answer: AD
QUESTION 13
Refer to the Exhibit. When specifying subnets under a bridge domain for a given tenant, the user can specify the scope of a subnet. Which definition of the public subnet scope is true?
A. It indicates that this subnet is advertised to the external router by the border leaf.
B. It indicates that this subnet is advertised to the border lead in ACI fabric.
C. It indicates that it must be leaked to one or more private networks within ACI fabric.
D. It indicates that this subnet is advertised to public internet and must be protected by a firewall.
Answer: A
QUESTION 14
For which two multicast distribution modes is RP configuration required? (Choose 2)
A. RPF routes for multicast
B. SSM
C. BIDIR
D. ASM
Answer: CD
QUESTION 15
Which two statements about CFS are true? (Choose 2)
A. CFS distributes the local NTP configuration to master only which then forwards to all devices in network.
B. If CFS is used to distribute NTP, all devices in the network must have the different VRF’s configured then as used for NTP.
C. You must manually distribute NTP authentication keys on the NTP server and Cisco NX-OS devices across the network.
D. After enabling CFS, a network-wide lock is applied to NTP whenever an NTP configuration is started and released once after the change has been committed or discarded.
Answer: CD
Explanation:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/system_management/6x/b_5500_System_Mgmt_Config_6xb_5500_System_Mgmt_Config_6x_chapter_010010.html
Distributing NTP Using CFS
Cisco Fabric Services (CFS) distributes the local NTP configuration to all Cisco devices in the network.
After enabling CFS on your device, a network-wide lock is applied to NTP whenever an NTP configuration is started. After making the NTP configuration changes, you can discard or commit them.
In either case, the CFS lock is then released from the NTP application.
QUESTION 16
Which two guidelines and limitations of netflow on Cisco NX-OS are true? (Choose 2)
A. If you change a layer 2 interface to a layer 3 interface, the software converts the layer 2 netflow to layer 3 netflow automatically.
B. Valid record name is optional to configure.
C. The cisco nexus 2000 series fabric extender does not support bridged netflow.
D. Only layer 2 netflow is applied on layer 2 interfaces, and only layer 3 netflow is applied on layer 3 interfaces.
E. You must configure a source interface. If you do not configure a source interface, the exported remains in a disabled state.
Answer: DE
Explanation:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/system_management/configuration/guide/sm_nx_os_cg/sm_15netflow.html#wp1088665
Guidelines and Limitations
NetFlow has the following configuration guidelines and limitations:
•You must configure a source interface. If you do not configure a source interface, the exporter will remain in a disabled state.
•You must configure a valid record name for every flow monitor.
•A rollback will fail if you try to modify a record that is programmed in the hardware during a rollback.
•Only Layer 2 NetFlow is applied on Layer 2 interfaces, and only Layer 3 NetFlow is applied on Layer 3 interfaces.
•If you add a member to a port channel that is already configured for Layer 2 NetFlow, its NetFlow configuration is removed and the Layer 2 configuration of the port channel is added to it.
•If you change a Layer 2 interface to a Layer 3 interface, the software removes the Layer 2 NetFlow configuration from the interface.
•Use v9 export to see the full 32-bit SNMP ifIndex values at the NetFlow connector.
•The maximum number of supported NetFlow entries is 512K.
•The Cisco Nexus 2000 Series Fabric Extender supports bridged NetFlow.
•Beginning with Cisco NX-OS Release 5.2, NetFlow is supported on switch virtual interfaces (SVIs) for F1 Series ports. Bridged NetFlow on F1 Series ports is not supported.
QUESTION 17
Which two statement about NFS appliance port failover and network uplink failure on Cisco UCS are true? (Choose 2)
A. By Default, appliance ports are shutdown if the uplink that they are pinned to goes down.
B. Failover cannot be configured on the Cisco UCS side for appliance ports.
C. By design, Cisco UCS fabric interconnects operate as one large fabric.
D. Failover must be configured on the storage side and Cisco UCS side, and it must be implemented with the correct network design while specific failover behaviors for storage controller are kept in mind.
E. To change default appliance port behavior, configure an appliance port failover policy and set the action to be taken upon uplink failure.
Answer: AB
QUESTION 18
Which two statements about VXLAN are true? (Choose 2)
A. VXLAN uses a UDP destination port 4987.
B. VXLAN adds an additional 32 bytes worth of headers.
C. A VTEP is virtual or physical device that maps end devices to VXLAN segments.
D. Devices that terminate VXLAN tunnels are known as VTEPs.
Answer: CD
QUESTION 19
Refer to the exhibit. Health scores can be aggregated for a variety of areas such as for the system, infrastructure, tenants, applications, or services. Which health score level is the exhibit from APIC GUI an example of?
A. Managed object
B. Pod
C. Tenant
D. System
Answer: B
QUESTION 20
On a cluster with three APICs, on which APIC can you see actual device package logs?
A. Depending on the deivce package, on the APIC that is a leader for that device package
B. APIC 1
C. Depending on the tenant, on the APIC that is a leader for the shard for that particular tenant
D. On the one that is a leader for device package service.
Answer: B
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