[Free] Download New Updated (December) Cisco 210-451 Exam Questions 31-40

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QUESTION 31

SRIOV provides which of the following?

 

A.

The host PCI bus is virtualized and these virtual PCIs are directly allocated to each guest.

B.

The host HBAs are virtualized and these virtual HBA are directly allocated to each guest for dedicated access.

C.

The hypervisor virtualizes the CPUs and PCI bus to provide directly allocated I/O to each guest.

D.

The host PCI bus is divided into pinned paths and these virtual paths are directly allocated to each guest for guranteed I/O.

 

Correct Answer: A

 

 

QUESTION 32

What best describes the live migration of a virtual machine from one host to another?

 

A.

It requires shutting down the virtual machine before migration.

B.

It requires that the I/O and CPU calls be quiesced to ensure that as the CPU and memory state of a VM is able to be transferred between hosts without interruption of services.

C.

It requires that the filesystem of the virtual machine be migrated to the new host before the state can be.

D.

The virtual machine will be unavailable for a few seconds while it is suspended, transferred and then reinstated.

 

Correct Answer: B

 

 

QUESTION 33

Which three options are the advantages of VXLAN? (Choose three.)

 

A.

Increase of VLAN address space

B.

Support multi-tenancy

C.

Connectivity across disparate virtual data centers

D.

Uses Spanning Tree Protocol for loop prevention

E.

Configure Portgroup Virtual port ID

F.

Configure Portgroup Load Based Teaming

 

Correct Answer: ABC

 

 

QUESTION 34

Which of the following best describes the order of operations of FCoE Initialization Protocol?

 

A.

VLAN Discovery, FCF Discovery, FLOG I/F Discovery, FC Command

B.

VLAN Discovery, FCF Discovery, PLOGI Discovery, FLOG I/F Discovery

C.

FCF Discovery, PLOGI Discovery, FLOG I/F Discovery

D.

VLAN Discovery, FCF Discovery, FLOG I/F Discovery

 

Correct Answer: D

 

 

QUESTION 35

Which technology focuses on Layer 2 distributed data centers?

 

A.

FabricPath

B.

Adapter FEX

C.

LISP

D.

OTV

 

Correct Answer: D

 

 

QUESTION 36

Which option lists Data Center network architectures?

 

A.

core is the top layer, spine is mid layer, leafs are the endpoints the compute nodes

B.

DHCPand static IPs Service the cluster of the virtual servers

C.

neutron plugins connect virtual machines to VLANs

D.

a data center consists of physical switches and systems using the latest VLAN protocols

 

Correct Answer: A

 

 

QUESTION 37

Which option is an open and extensible southbound protocol that supplies policy directly to data center networks?

 

A.

OpFlex

B.

vPath

C.

VM-FEX

D.

OpenDaylight

 

Correct Answer: A

 

 

QUESTION 38

Cisco APICs utilize sharding to provide what function for an ACI fabric?

 

A.

It provides scalability and reliability to the data sets generated and processed by the Distributed Policy Repository, the endpoint registry, the Observer, and the Topology Manager.

B.

It provides replication of application network policies across the APICs in the cluster.

C.

It provides a method for determining which APIC will act as the master in a fabric during the election process.

D.

It provides horizontal scaling ability for policy management on APICs.

 

Correct Answer: A

 

 

QUESTION 39

What two protocols does a physical switch and Nexus 1000V support? (Choose two.)

 

A.

MPLS

B.

STP

C.

ARP

D.

CDP

 

Correct Answer: CD

 

 

 

QUESTION 40

Which statement about the differences between vSwitch and DVS is true?

 

A.

vSwitch supports Spanning Tree Protocol.

B.

DVS supports Spanning Tree Protocol.

C.

vSwitch supports private VLAN.

D.

DVS supports private VLAN.

 

Correct Answer: D

 

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