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Exam Code: 642-874
Exam Name: Designing Cisco Network Service Architectures
One year free update, No help, Full refund!
642-874 PDF VCE Total Q&A: 162 Questions and Answers
Last Update: 06-11,2015

642-874 VCE Dumps Detail : Click Here

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NO.1 The requirement for high availability within the Data Center network may cause the designer
to consider which one of the following solutions?
A. Construct a hierarchical network design using EtherChannel between a server and two VDCs from
the same physical switch
B. Utilize Cisco NSF with SSO to provide intrachassis SSO at Layers 2 to 4
C. Define the Data Center as an OSPF NSSA area, advertising a default route into the DC and
summarizing the routes out of the NSSA to the Campus Core
D. Implement network services for the Data Center as a separate services layer using an active/active
model that is more predictable in failure conditions
Answer: B

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NO.2 Which four options are network virtualization technologies that are employed in the data
center?
(Choose four.)
A. VLAN
B. VSAN
C. VRF
D. VRP
E. VLC
F. VPC
Answer: A,B,C,F

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NO.3 What is the primary benefit of implementing Virtual Device Contexts on Nexus hardware In a
multi-tenant environment?
A. resource isolation
B. software partitioning
C. resource allocation
D. granular monitoring
Answer: A

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NO.4 Which VRF component ensures control plane separation between the different Layer 3 VPNs?
A. FIB
B. routing protocol instance
C. RIB
D. a subset of the router interfaces
Answer: B

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NO.5 Refer to the exhibit.
Which recommended practice is applicable?
A. If no core layer is deployed, the design will be easier to scale.
B. A dedicated campus core layer should be deployed for connecting three or more buildings.
C. If no core layer is deployed, the distribution switches should not be fully meshed.
D. A dedicated campus core layer is not needed for connecting fewer than five buildings.
Answer: B

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NO.6 A network engineer must perform posture assessments on Cisco ASA remote access VPN
clients and control their network access based on the results. What mode is the Cisco best practice
NAC deployment design for this situation?
A. Layer 2 in-band real IP gateway mode
B. Layer 2 out-of-band real IP gateway mode
C. Layer 3 in-band virtual gateway mode
D. Layer 3 out-of-band virtual gateway mode
Answer: C

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NO.7 Which three Layer 2 access designs have all of their uplinks in an active state? (Choose three.)
A. Flex Links
B. loop-free U
C. looped square
D. looped triangle
E. loop-free inverted U
Answer: B,C,E

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NO.8 A customer with a single Cisco Adaptive Security Appliance wants to separate multiple
segments of the e-commerce network to allow for different security policies. What firewall
technology accommodates these design requirements?
A. virtual contexts
B. private VLANs
C. admission control
D. virtual private network
Answer: A

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