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Cisco 400-007 Based on Real Exam Environment

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Total 329 questions
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Cisco Certified Design Expert (CCDE v3.0) Questions and Answers

Question 69

Refer to the exhibit.

Your company designed a network to allow server VLANs to span all access switches in a data center In the design, Layer 3 VLAN interfaces and HSRP are configured on the aggregation switches Which two features improve STP stability within the network design? (Choose two.)

Options:

A.

BPDU guard on access ports

B.

BPDU guard on the aggregation switch downlinks toward access switches

C.

root guard on the aggregation switch downlinks toward access switches

D.

root guard on access ports

E.

edge port on access ports

F.

access switch pairs explicitly determined to be root and backup root bridges

Question 70

Which two statements explain the operation of BFD asynchronous mode? (Choose two )

Options:

A.

BFD asynchronous mode with echo packets combines the control packets and echo packets into a single packet.

B.

BFD asynchronous mode without echo packets uses control packets, and BFD asynchronous mode with echo packets does not.

C.

BFD asynchronous mode with and without echo packets use control packets.

D.

BFD asynchronous without echo packets has control packets sent back to the originating router, which echoes the control packet to detect failures.

E.

BFD asynchronous mode with echo packets uses separate control packets and echo packets.

Question 71

Which statement about hot-potato routing architecture design is true?

Options:

A.

Hot-potato routing is the preferred architecture when connecting to content providers

B.

Hop-potato keeps traffic under the control of the network administrator for longer

C.

OSPF uses hot-potato routing if all ASBRs use the same value for the external metric

D.

Hot-potato routing is prone to misconfiguration as well as poor coordination between two networks

Question 72

SDN emerged as a technology trend that attracted many industries to move from traditional networks to SDN. Which challenge is solved by SDN for cloud service providers?

Options:

A.

need for intelligent traffic monitoring

B.

exponential growth of resource-intensive application

C.

complex and distributed management flow

D.

higher operating expense and capital expenditure

Page: 18 / 25
Total 329 questions
Get 400-007 Full Access Download 400-007 PDF