Cisco 400-007 Dumps Questions Answers

Cisco 400-007 Dumps

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Cisco 400-007 Frequently Asked Questions

Cisco 400-007 Sample Questions

Question # 1

Which design principal improves network resiliency? 

A. Added load-balancing 
B. Added redundancy 
C. Added confidentiality 
D. Added reliability 

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Question # 2

Which function is performed at the access layer of the three-layer hierarchical network design model? 

A. fault isolation 
B. QoS classification and marking boundary 
C. reliability - 
D. fast transport 
E. redundancy and load balancing 

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Question # 3

Which three Cisco products are used in conjunction with Red Hat to provide an NFVi solution? (Choose three.) 

A. Cisco Prime Service Catalog 
B. Cisco Open Virtual Switch 
C. Cisco Nexus switches 
D. Cisco UCS 
E. Cisco Open Container Platform 
F. Cisco Virtual Network Function 

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Question # 4

Which two technologies enable multilayer segmentation? (Choose two.) 

A. policy-based routing 
B. segment routing 
C. data plane markings 
D. firewalls 
E. filter lists 

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Question # 5

Your company designed a network to allow server VLANs to span all access switches in a data center In the design, Layer 3 VLAN interfaces and HSRP are configured on the aggregation switches Which two features improve STP stability within the network design? (Choose two.)  

A. BPDU guard on access ports 
B. BPDU guard on the aggregation switch downlinks toward access switches 
C. root guard on the aggregation switch downlinks toward access switches 
D. root guard on access ports 
E. edge port on access ports 
F. access switch pairs explicitly determined to be root and backup root bridges 

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Question # 6

Which two possible drawbacks should you consider when introducing Network Functions Virtualization in a network design? (Choose two) 

A. Bandwidth utilization increases 
B. Traffic flows are suboptimal 
C. High-end routers are required to support NFV 
D. OpenFlow must be supported in the network 
E. An SDN orchestration layer is required to support NFV 

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Question # 7

A. CWDM over dark fiber 
B. MPLS 
C. DWDM over dark fiber 
D. Metro Ethernet 

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Question # 8

Company XYZ has a hub-and-spoke topology over an SP-managed infrastructure. To measure traffic performance metrics, they implemented IP SLA senders on all spoke CE routers and an IP SLA responder on the hub CE router. What must they monitor to have visibility on the potential performance impact due to the constantly increasing number of spoke sites? 

A. CPU and memory usage on the spoke routers 
B. memory usage on the hub router 
C. CPU usage on the hub router 
D. interface buffers on the hub and spoke routers 

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Question # 9

Which two actions ensure voice quality in a branch location with a low-speed, high-latency WAN connection? (Choose two.) 

A. Increase WAN bandwidth 
B. Increase memory branch switch. 
C. Fragment data packets. 
D. Replace any electrical links with optical links 
E. Prioritize voice packets

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Question # 10

A Service Provider is designing a solution for a managed CE service to a number of local customers using a single CE platform and wants to have logical separation on the CE platform using Virtual Routing and Forwarding (VRF) based on IP address ranges or packet length. Which is the most scalable solution to provide this type of VRF Selection process on the CE edge device? 

A. Static Routes for Route Leaking 
B. Policy Based Routing 
C. OSPF per VRF Instance 
D. Multi-Protocol BGP 

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Question # 11

An enterprise network has two core routers that connect to 200 distribution routers and uses full-mesh IBGP peering between these routers as its routing method. The distribution routers are experiencing high CPU utilization due to the BGP process. Which design solution is the most cost effective? 

A. Implement route reflectors on the two core routers 
B. Increase the memory on the core routers 
C. Implement e BGP between the core and distribution routers
 D. Increase the memory on the distribution routers 
E. Increase bandwidth between the core routers 

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Question # 12

A European national bank considers migrating its on-premises systems to a private cloud offering in a non-European location to significantly reduce IT costs. What is a primary factor prior to migration? 

A. data governance 
B. additional latency 
C. security 
D. cloud connectivity 

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Question # 13

What are two key design principles when using a hierarchical core-distribution-access network model? (Choose two ) 

A. A hierarchical network design model aids fault isolation 
B. The core layer is designed first, followed by the distribution layer and then the access layer 
C. The core layer provides server access in a small campus. 
D. A hierarchical network design facilitates changes 
E. The core layer controls access to resources for security 

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Question # 14

Which optimal use of interface dampening on a fast convergence network design is true? 

A. When occasional flaps of long duration occur 
B. when numerous adjacent flaps of very short duration occur 
C. when the router hardware it slower than the carrier delay down detection 
D. when the switch hardware is faster than the debounce timer down detection 

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Question # 15

A customer asks you to perform a high level review of their upcoming WAN refresh for remote sites The review is specially focused on their retail store operations consisting of 500+ locations connected via mutlipoint IPsec VPN solution. Which routing protocol would be valid but would also be the most restrictive for the expansion of this deployment model? 

A. EIGRP 
B. IS-IS 
C. OSPF 
D. BGP 

Show Answer

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Question # 16

Which technology is an open-source infrastructure automation tool that automates repetitive tasks for users who work in networks such as cloud provisioning and intraservice orchestration? 

A. Ansible 
B. Contrail 
C. Java 
D. Jinja2 

Show Answer

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