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Cisco 352-011 - Cisco Certified Design Expert Practical Exam

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Total 249 questions

What are two possible drawbacks of ending Loop-Free Alternate to support fast convergence for most destination IGP prefixes? (Choose two)

A.

The IGP topology might need to be adjust

B.

Loop-free alternate’s convergence in less than 100 milliseconds is not possible

C.

Loop-free alternate’s are supported only for prefixes that are considered external tot the IGP

D.

Loop-free alternates are not supported in global VPN VRF OSPF instances

E.

Additional path computations are needed

Which two SAN designs appropriate to support large-scale SAN environments? (Choose two)

A.

Edge-core-edge design

B.

Fibre Channel forwarder

C.

Split fabric design

D.

Core-edge design

E.

Dual fabric design

An operations engineer asks for your help with a new switching deployment. The engineer confirms that STP is enabled on an edge switch, and a particular port is connected to another switch. The switch is not receiving configuration BPDUs, although it appears that everything is functioning correctly in the network. What is the design explanation?

A.

Bridge Assurance is enabled on the port

B.

Storm control broadcast is enabled on the port

C.

REP is enabled on the port

D.

BPDU Guard is enabled on the port

Which two control plane policer design options should you consider to achieve high availability? (Choose two)

A.

Control plane policers require that adequate protocols overhead are factored in to allow protocol convergence

B.

Control plane policers are really needed only on externally facing devices

C.

Control plane policers can cause the network management systems to create false alarms

D.

Control plane policers are enforced in hardware to protect the software path, but they are hardware platform-dependent in terms of classification ability

E.

Control plane policers must be processes before a forwarding decision is made

Which two statements regarding to QoS marking are true? (Choose two)

A.

Shaping is one of the ways that packets can be remarked

B.

Class-based marking occurs after packet classification

C.

802.1Q/p CoS bits and IP Precedence are both layer 3 marking fields

D.

QoS marking establishes a trust boundary that scheduling tools depend on

E.

MPLS EXP and DSCP are both layer 2 marking fields

As part of network design, two geographically separated data centers must be interconnected using Ethernet-over-MPLS pseudowire. The link between the sites is stable, the topology has no apparent loops, and the root bridges for the respective VLANs are stable and unchanging. Which aspect must be the part of the design to mitigate the risk of connectivity issues between the data centers?

A.

Enable Spanning Tree on one data center, and Rapid Reconfiguration of Spanning tree on the other

B.

Ensure that the spanning tree diameter for one or more VLANs is not too large.

C.

Enable UDLD on the link between the data centers.

D.

Enable root guard on the link between the data centers.

In a network with dynamic mutual redistribution between multiple OSPFv2 and EIGRP boundaries, which two mechanisms avoid suboptimal routing? (Choose two)

A.

Route filtering

B.

AD manipulation

C.

Matching EIGRP process ID

D.

Matching OSPF external routes

E.

Route tagging

Which two components are the responsibility of the customers in a platform as a Service offering? (Choose two)

A.

Applications

B.

Infrastructure connectivity

C.

Hardware

D.

Data

E.

APIs

A company would like to distribute a virtual machine (VM) hosting cluster between three data centers with the capability to move VMs between sites. The connectivity between data centers is IP only and the new design should use the existing WAN. Which Layer 2 tunneling technology do you recommend?

A.

AToM

B.

L2TPv3

C.

OTV

D.

VPLS

In a routed access hierarchical campus design, the access-to-distribution Layer 2 uplink trunks are replaced with Layer 3 point-to-point routed links. Why is it recommended that VLANs are confined on a single access switch rather than span across multiple access switches?

A.

to allow for better convergence time

B.

to prevent the occurrence of Layer 2 loops

C.

to allow for fault isolation

D.

to prevent routing black holes