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Legit 400-007 Exam Download

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Total 381 questions

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

Question 101

Refer to the exhibit. An architect must design an enterprise WAN that connects the headquarters with 22 branch offices. The number of remote sites is expected to triple in the next three years. The final solution must comply with these requirements:

    Only the loopback address of each of the enterprise CE X and Y routers must be advertised to the interconnecting service provider cloud network.

    The transport layer must carry the VPNv4 label and VPN payload over the MP-BGP control plane.

    The transport layer must not be under service provider control.

Which enterprise WAN transport virtualization technique meets the requirements?

Options:

A.

EIGRP Over the Top

B.

MPLS over BGP over multipoint GRE

C.

DMVPN per VRF

D.

point-to-point GRE per VRF

Question 102

Company XYZ was not satisfied with the reconvergence time OSPF is taking. BFD was implemented to try to reduce the reconvergence time, but the network is still experiencing delays when having to reconverge. Which technology will improve the design?

Options:

A.

OSPF fast hellos

B.

BFD echo

C.

Change the protocol to BGP

D.

Change the OSPF hello and dead intervals

Question 103

Company ABC uses IPv4-only. Recently they started deploying new endpoint devices. For operational reasons, IPv6 cannot be disabled on these new endpoint devices. Which security measure prevents the new endpoint from learning an IPv6 prefix from an attacker?

Options:

A.

Source Guard and Prefix Guard

B.

Router Advertisement Guard

C.

Prefix Guard

D.

Secure Neighbor Discovery

Question 104

Company XYZ wants design recommendations for Layer 2 redundancy (using Layer 2 technologies) The company wants to prioritize flexibility and scalability elements in the new design Which two technologies help meet these requirements'? (Choose two)

Options:

A.

Avoid stretching VLANs across switches

B.

Use switch clustering at the distnbution layer where possible

C.

Configure DHCP snooping on the switches

D.

Use Unidirectional Link Detection

E.

Use root guard

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Total 381 questions