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Designing Cisco Network Service Architectures (ARCH)

 

QUESTION 181

A network engineer has implemented a looped triangle switch block design. What element must be included in the design?

 

A.

first hop redundancy protocol

B.

Layer 2 links between access switches

C.

single uplinks between access and distribution switches

D.

VLANs that span access switches

E.

Layer 3 links between distribution switches

 

Correct Answer: A

 

 

QUESTION 182

Which option lists the EIGRP minimum timer settings for hello and dead timers in seconds?

 

A.

4 and 6

B.

2 and 4

C.

2 and 6

D.

both 6

 

Correct Answer: C

 

 

QUESTION 183

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

 

Correct Answer: ABCF

 

 

QUESTION 184

With respect to address summarization, which of the following statements concerning IPv4 and IPv6 is true?

 

A.

The potential size of the IPv6 address blocks suggests that address summarization favors IPv6 over IPv4.

B.

Role based addressing using wildcard masks to match multiple subnets is suitable for IPv4, but unsuitable for IPv6.

C.

In order to summarize, the number of subnets in the IPv4 address block should be a power of 2 while the number of subnets in the IPv6 address block should be a power of 64.

D.

WAN link addressing best supports summarization with a /126 subnet for IPv4 and a /31 for IPv6.

 

< span lang="EN-US" style="font-family: ; mso-font-kerning: 0pt; mso-no-proof: yes">Correct Answer: B

 

 

QUESTION 185

Which of the following is most accurate with respect to designing high availability within the Enterprise Campus network?

 

A.

High availability at and between the Distribution and Access layers is as simple as redundant switches and redundant Layer 3 connections

B.

Non-deterministic traffic patterns require a highly available modular topology design

C.

Distribution layer high availability design includes redundant switches and Layer 3 equal-cost load sharing connections to the switched Access and routed Core layers, with a Layer 3 link between the Distribution switches to support summarization of routing information from the Distribution to the Core

D.

Default gateway redundancy allows for the failure of a redundant Distribution switch without affecting endpoint connectivity

 

Correct Answer: D

 

 

QUESTION 186

Refer to the exhibit. Which two features can enable high availability for first-hop Layer 3 redundancy? (Choose two.)

 

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A.

VPC

B.

IGMP V2

C.

VRRP

D.

PIM

E.

HSRP

 

Correct Answer: CE

 

 

QUESTION 187

Which option is the Cisco preferred, most versatile, and highest-performance way to deploy IPv6 in existing IPv4 environments?

 

A.

dual stack

B.

hybrid

C.

service block

D.

dual service

 

Correct Answer: A

 

 

QUESTION 188

Port security supports which type of port?

 

A.

SPAN destination port

B.

EtherChannel port-channel port

C.

nonnegotiating trunk port

D.

DTP-enabled trunk port

 

Correct Answer: C

 

 

QUESTION 189

Which of the following is true concerning best design practices at the switched Access layer of the traditional layer2 Enterprise Campus Network?

 

A.

Cisco NSF with SSO and redundant supervisors has the most impact on the campus in the Access layer

B.

Provide host-level redundancy by connecting each end device to 2 separate Access switches

C.

Offer default gateway redundancy by using dual connections from Access switches to redundant Distribution layer switches using a FHRP

D.

Include a link between two Access switches to support summarization of routing information from the Access to the Distribution layer

 

Correct Answer: A

 

 

QUESTION 190

What are two characteristics of Cisco Global Site Selector? (Choose two.)

 

A.

It helps verify end-to-end path availability.

B.

It provides traffic rerouting in case of disaster.

C.

HSRP, GLBP, and VRRP can be clients of GSS.

D.

BGP must be the routing protocol between the distributed data centers.

E.

DNS responsiveness is improved by providing centralized domain management.

 

Correct Answer: BE

 

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