CCDE 400-007 Passing Score

Cisco Certified Design Expert (CCDE v3.1) Questions and Answers

Question 37

Which statement about OSPF hub-and-spoke topology is true?

Options:

The DR election is a challenge unless a point-to-point network type is used

The DR and BDR election occurs regardless of the underlying OSPF network type

Traffic does not need to traverse the hub to reach the spokes.

The spoke routers can belong to different areas regardless of the underlying OSPF network type

Question 38

What are two advantages of controller-based networks versus traditional networks? (Choose two.)

Options:

the ability to have forwarding tables at each device

more flexible configuration per device

more consistent device configuration

programmatic APIs that are available per device

the ability to configure the features for the network rather than per device

Question 39

A company created an IPv6 adoption plan for its campus network that requires dual-stack connectivity on the network Campus users must have IPv6 connectivity to an HR management application which is the first IPv6-only application hosted in the company s data center. Which two security mechanisms can be used to prevent a malicious user from masquerading as the IPv6 gateway? (Choose two)

Options:

IPv6 RA guard

IPv6 snooping

IPv6 device tracking

IPv6 address glean

port ACLs

Question 40

Which two advantages of using DWDM over traditional optical networks are true? (Choose two.)

Options:

inherent topology flexibility and service protection provided without penalty through intelligent oversubscription of bandwidth reservation

ability to expand bandwidth over existing optical Infrastructure

inherent topology flexibility with built-in service protection

inherent topology flexibility with intelligent chromatic dispersion

inherent topology flexibility with a service protection provided through a direct integration with an upper layer protocol

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Cisco Certified Design Expert (CCDE v3.1) Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce