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PDF 400-007 Study Guide

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Total 329 questions

Cisco Certified Design Expert (CCDE v3.0) Questions and Answers

Question 81

The Layer 3 control plane is the intelligence over the network that steers traffic toward its intended destination. Which two techniques can be used in service provider-style networks to offer a more dynamic, flexible, controlled, and secure control plane design? (Choose two.)

Options:

A.

access control lists

B.

firewalls

C.

QoS policy propagation with BGP

D.

remote black-holing trigger

E.

prefix lists

Question 82

Your company wants to deploy a new data center infrastructure Based on the requirements you have chosen VXLAN as encapsulation technology The customer is concerned about miss-configuration of Layer 2 devices and DC wide outages caused by Layer 2 loops What do you answer?

Options:

A.

VXLAN offers native loop avoidance mechanism

B.

Storm Control should be enabled on all ports

C.

VPC+ could prevent L2 loop on access ports

D.

BPDU Guard should be enabled on all VTEP access ports

Question 83

Which two factors must be considered for high availability in campus LAN designs to mitigate concerns about unavailability of network resources? (Choose two.)

Options:

A.

device resiliency

B.

device type

C.

network type

D.

network resiliency

E.

network size

Question 84

Refer to the table.

A customer investigates connectivity options for a DCI between two production data centers. The solution must provide dual 10G connections between locations with no single points of failure for Day 1 operations. It must also include an option to scale for up to 20 resilient connections in the second year to accommodate isolated SAN over IP and isolated, dedicated replication IP circuits. All connectivity methods are duplex 10 Gbps. Which transport technology costs the least over two years, in the scenario?

Options:

A.

Metro Ethernet

B.

DWDM

C.

CWDM

D.

MPLS

Page: 21 / 25
Total 329 questions