Cisco 210-451 Questions 2021

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

• A. It should be placed first in your data center.
• B. It runs a conventional operating system and abstracts the guest operating system from its host system.
• C. It should only be run in class 1 data centers with high availability.
• D. It runs directly on the host hardware to control and manage the guest operating systems.

Answer: D

NEW QUESTION 2
What are the five specific characteristics common to the Cloud environments?

• A. on-demand usage, ubiquitous access, multi-tenancy, measured usage, resiliency
• B. on-demand usage, ubiquitous access, tiered-tenancy, measured usage, resiliency
• C. on-demand usage, autonomous access, multi-tenancy, measured usage, resiliency
• D. dynamic usage, ubiquitous access, multi-tenancy, measured usage, resiliency

Answer: A

NEW QUESTION 3
A network engineer is deploying a new SDN network. In troubleshooting the deployment, the engineer discovers that changes are being delivered to the control plane devices but not beyond. Where in the framework is the disconnect?

• A. NetFlow communication
• B. SNMP communication
• C. API communication to control plane
• D. API communication to data plane

Answer: B

NEW QUESTION 4
What two protocols does a physical switch and Nexus 1000V support? (Choose two.)

• A. MPLS
• B. STP
• C. ARP
• D. CDP

Answer: CD

NEW QUESTION 5
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

Answer: A

NEW QUESTION 6
An engineer is running a lab environment on a local PC and wants to simulate a production ESXi environment. Which type of virtualization technology can the engineer deploy on the machine without compromising the ability to use the operating system on the local machine?

• A. Type 2 hypervisor
• B. Type 1 hypervisor
• C. desktop mobility
• D. horizon view

Answer: B

NEW QUESTION 7
Which protocol does Cisco Nexus 1000V use to provide flow redirection for vService interaction?

• A. OpFlex
• B. vPath
• C. FlexPath
• D. VLAN bridging

Answer: B

NEW QUESTION 8
Which of these are hypervisors typically utilized in a modern data center?

• A. VMware, HyperV, Linux
• B. ESXi, HyperV, Linux
• C. ESXi, HyperV, KVM
• D. VMware, HyperV, KVM

Answer: C

NEW QUESTION 9
Which of the following are benefits from Cisco Application Centric Infrastructure? (Choose all that apply)

• A. Distributed default gateway
• B. VM provisioning
• C. Encapsulation normalization
• D. Multi-hypervisor integration
• E. Separation of control and data planes

Answer: ACD

NEW QUESTION 10
Which of the following two storage technologies would require that its' block device be attached to an instance before you can perform any filesystem commands? (Choose two.)

• A. SCSI LUN
• B. Cinder Volume
• C. NFS Filesystem Meta-Volume
• D. Direct Object Block Device

Answer: AB

NEW QUESTION 11
Cisco UCS and VMware vCenter must be connected for management integration and network communication with the host. To accomplish this what must be established

• A. The SSL key must be registered with the external visualization manager
• B. The VMwarePassThrough Ethernet Adapter Policy must be set on each host so that it can communicate
• C. The extension key must be registered with the external visualization manager
• D. ESXi hosts must first be added to the DVS

Answer: C

NEW QUESTION 12
A budget-conscious, mid-sized business constantly looks to repurpose equipment. They purchase 20 new 1 TB drives to extend an existing logical space by 20TB. Which storage provisioning technique allows the corporation to accomplish these tasks?

• A. disk pools
• B. thick
• C. RAID
• D. thin-thick

Answer: A

NEW QUESTION 13
For which reason must a storage engineer deploy thick provisioning?

• A. to reduce latency when writing to disk
• B. to minimize data loss in the event of a power outage
• C. to combine multiple LUNs into a single datastore
• D. to maximize disk utilization on the storage array
• E. to guarantee VMs access to their allotted storage

Answer: A

NEW QUESTION 14
In an Openstack Cloud deployment which has a fibre channel SAN providing the block storage, which two options are valid fibre channel zone member types? (Choose two.)

• A. FCID
• B. DomainID
• C. WWPN
• D. OpenStack Volume ID

Answer: AC

NEW QUESTION 15
Which description of the elasticity of a Cloud-based infrastructure is true?

• A. provides dynamic on-demand provisioning of services in near real time
• B. enables sharing of resources and costs across a large pool of users
• C. multisite architecture to reduce impact from outages in any one site
• D. provides a security posture that is manageable from a single point of control

Answer: A

NEW QUESTION 16
Two tenants of a shared storage infrastructure plan to combine resources to reduce costs. The tenants must maintain isolation for security purposes. Multiple identical Fibre Channel IDs must be used on the same physical storage network. Which option must be configured for each tenant to enable this plan?

• A. separate VSANs
• B. separate VRF instances
• C. separate vFiler instances
• D. separate zones

Answer: D

NEW QUESTION 17
A small start-up wants to maximize its IT budget and intends to use the cloud for its new service. The executive staff expect a one-year development period followed by a rapid growth curve. Which cloud deployment method is most appropriate for the architectural design?

• A. hybrid-private
• B. community
• C. public
• D. private

Answer: A

NEW QUESTION 18
A systems administrator finds physical hardware oversubscribed, yet all applications are deployed according to their minimum memory requirements. Which two actions separately can be adjusted to fix this oversubscription? (Choose two.)

• A. Increase the physical memory pool.
• B. Increase local flash storage on the host.
• C. Decrease the memory allocated per VM.
• D. Increase the number of virtual network cards on each VM.
• E. Decrease the number of VMs on the hypervisor.

Answer: BE

NEW QUESTION 19
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?

• A. UCS Director
• B. UCS Manager
• C. UCS Performance Manager
• D. UCS Central

Answer: C

NEW QUESTION 20
A cloud engineer must implement an edge switch model that supports iSCSI and FC SAN as well as multiple VSANs and Inter-VSAN Routing. The switching fabric must meet the technical requirements at the lowest possible cost. Which series of switches must the engineer choose to meet these requirements?

• A. Cisco MDS 9100
• B. Cisco Nexus 5000
• C. Cisco Nexus 7000
• D. Cisco MDS 9200

Answer: A

NEW QUESTION 21
What type of node runs Virtual Machines in a virtualized infrastructure?

• A. Storage Node
• B. Management Node
• C. Compute Node
• D. Scheduling Node

Answer: C

NEW QUESTION 22
An engineer must provide a Cisco UCS management solution for 950 virtual servers spread across five data centers globally, with multiple domains and systems. Which design must be used?

• A. a Cisco UCS Manager unifying a Cisco UCS Central server per data center
• B. a Cisco UCS Central deployment per data center
• C. a Cisco UCS Central software unifying five Cisco UCS Managers
• D. a cluster of three to five Cisco UCS Managers per data center

Answer: A

NEW QUESTION 23
A group of software developers wants to deploy virtual machines on demand and access a web portal where they can choose from a variety of virtual machine templates. Which two types of solutions satisfy this requirement? (Choose two.)

• A. Software as a Service
• B. Platform as a Service
• C. Application Delivery as a Service
• D. Infrastructure as a Service
• E. Rack as a Service

Answer: AC

NEW QUESTION 24
Which characteristic is an inoperative attribute of a private Cloud deployment?

• A. self service and on demand
• B. shared by many companies
• C. highly scalable
• D. metered for reporting or billing purposes

Answer: B

NEW QUESTION 25
Which two descriptions of VXLAN are true? (Choose two.)

• A. The VXLAN Identifier space is 24 bits.
• B. VXLAN uses the Internet Protocol as the transport medium.
• C. VXLAN adds 24 bytes of overhead to each packet.
• D. VXLAN is primarily designed for small environments.

Answer: AB

NEW QUESTION 26
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