17 February, 2020

Free Cisco 210-451 Training Tools

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Total 141 questions Full Exam Access

Question 1

Which administrative task is most disruptive to a Cisco UCS B-Series cluster?

reboot of a Fabric Interconnect

changing the switching mode of a Fabric Interconnect

re-seating a server

resetting an IOM

Question 2

Which /etc/exports line will allow you to enable read-only access from the NFS client 192.168.1.100?

/images 192.168.1.100 (ro,async)

/images 192.168.1.100 (755,async)

/images 192.168.1.1/24 (755,no_root_squash,async)

/images 192.168.1.1/27 (ro,async)

Question 3

Which of the following is not a virtual machine file?

Virtual disk

NVRAM

Swap memory

NFS

Log

Question 4

An IT admin has just deployed Cisco UCS B-Series servers to a third data center. Which software package reduces the management burden by providing a single pane of glass for each Cisco UCS instance?

UCS Director

UCS Manager

UCS Performance Manager

UCS Central

Question 5

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

vSwitch supports Spanning Tree Protocol.

DVS supports Spanning Tree Protocol.

vSwitch supports private VLAN.

DVS supports private VLAN.

Question 6

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

MPLS

STP

ARP

CDP

Question 7

A software development company is using an automation tool to create thousands of virtual machines to test daily software builds. When the tests are finished, the virtual machines are automatically deleted. Which characteristic of cloud computing makes this feature achievable?

elasticity

service catalog

resource pooling

multitenancy

Question 8

A client is deploying an NFS storage solution within its data center. Which option is required for other hosts to access this storage solution?

Hosts must have a software initiator driver to access the shares.

Hosts must approve permissions for each share in the NSF controller.

Hosts must be defined in the permissions list for each share.

Host shares must be directly mapped to each resource.

Question 9

Which of the following is the main function of SAL in OpenDaylight?

Provide abstraction for southbound protocols

Directly configure OpenFlow compatible devices

Handle REST API calls

Clustering

GUI

Question 10

Which two technologies support running Linux and Windows virtual machines? (Choose two.)

KVM

LXD

Docker

Microsoft Hyper-V

Question 11

An architect for a company's private cloud utilizes software-defined networking with the expectation of service microsegmentation. The architect intends to use MAC addresses printed on the network cards for ingress/egress filtering of each VM. Which aspect of virtualization initially impedes the architect's success?

The MAC addresses are indistinguishable; the hypervisor stacks all the addresses on a single network interface.

The hypervisor translates only TCP/IP addresses from the virtual machines to MAC addresses.

The MAC addresses are not used for ingress/egress filtering; the architect must use TCP/IP.

The virtual machines are not allowed to access the hardware-based MAC address directly.

Question 12

A company has a large number of virtualized servers running a Nexus 1000V. The data center network is running out of VLAN IDs, and in response, an engineer has been tasked to ensure that over 4000 VLANs can be allocated to each virtual host to fix the issue. What solution would satisfy this requirement?

Expand VLAN capabilities on the VEM.

Turn off STP on the Nexus 1000V switches.

Add the Citrix NetScaler 1000V to the network.

Deploy a VXLAN backbone that extends to each virtual switch.

Question 13

An engineer has decided to use a distributed virtual switch as opposed to a standard virtual switch in a virtual environment. How does this choice ease the burden of management?

The DVS pushes networking changes to all hosts that are part of the DVS.

The DVS software package installation is an automated process managed by VUM.

The DVS implements dynamic routing protocols at the virtual layer.

The DVS detects upstream VLANs and automatically pushes them to port groups.

Question 14

Which purpose of deploying Cisco Intercloud Fabric for Business is true?

Manage Fibre Channel zoning and other fabric policies.

Automate the deployment of virtual machines by providing a self-service catalog.

Unify Cisco UCS Manager domains under a single software management platform.

Migrate virtual workloads between private and public clouds.

Implement an IT storefront for ordering business services.

Question 15

Which three options are considered Cloud deployment models? (Choose three.)

Public Cloud

Hybrid Cloud

Open Cloud

Private Cloud

Stack Cloud

Distributed Cloud

Question 16

VMware's ESXi Hypervisor is a Type-1 hypervisor. What does this mean?

It should be placed first in your data center.

It runs a conventional operating system and abstracts the guest operating system from its host system.

It should only be run in class 1 data centers with high availability.

It runs directly on the host hardware to control and manage the guest operating systems.

Question 17

When designing a leaf/spine ACI architecture, what ensures that any application nodes are at most only two hops from each other or from IP-based storage?

ACI support of multiple encapsulation or tunneling protocols

connectivity of virtual and physical endpoints is built into the Layer 3 boundary

leaf nodes at the edge of the fabric and spine nodes at the core

configuration of border leaf nodes

Question 18

What is a benefit of using Cisco MDS VSAN within a SAN infrastructure?

support for up to 255 switches within each VSAN

ability to implement VSAN across multiple switch vendors

isolation of logical fabrics within the same physical topology

automatic failover between VSAN instances

Question 19

Which option describes what the use of no_root_squash does in an NFS environment?

It causes the NFS share to be mounted by a non-root user and is required for hypervisors that utilize RBAC for users.

It allows a NFS share to be mounted and written to as the root user by the hypervisor.

It allows a NFS share to be mounted by root, but all subsequent writes are as a non-root user.

It allows a NFS share to be mounted by a non-root user and all subsequent writes are as a non-root user.

Question 20

Which API structure does Cisco UCS Manager support?

JSON

XML

RUBY

PERL

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Total 141 questions Full Exam Access