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Cisco Updated 400-007 Exam Questions and Answers by hasan

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Cisco 400-007 Exam Overview :

Exam Name: CCDE written exam
Exam Code: 400-007 Dumps
Vendor: Cisco Certification: CCDE
Questions: 503 Q&A's Shared By: hasan
Question 32

Which two descriptions of CWDM are true? (Choose two)

Options:

A.

Typically used over long distances, but requires optical amplification

B.

Uses the 850nm band

C.

Allows up to 32 optical carriers to be multiplexed onto a single fiber

D.

Shares the same transmission window as DWDM

E.

Passive CWDM devices require no electrical power

Discussion
Kingsley
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Haris Aug 2, 2026
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Madeleine
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Ziggy Aug 27, 2026
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Addison
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Libby Aug 1, 2026
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Sarah
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Question 33

What is an architectural framework created by ETSI that defines standards to decouple network functions from proprietary hardware-based appliances and have them run in software on standard x86 servers?

Options:

A.

NPIV

B.

NFVIS

C.

NFV

D.

VNF

Discussion
Question 34

Refer to the exhibit Which impact of using three or more ABRs between the backbone area and area 1 is true?

Options:

A.

In a large-scale network LSA replication by all ABRs can cause serious scalability issues

B.

Multiple ABRs reduce the CPU processing on each ABR due to splitting prefix advertisement

C.

In a large-scale network multiple ABRs can create microloops

D.

Prefixes from the non-backbone area are advertised by one ABR to the backbone

Discussion
Question 35

Company XYZ runs OSPF in their network. A design engineer decides to implement hot-potato routing architecture. How can this implementation be achieved?

Options:

A.

Enable iBGP and apply prepend to ensure all prefixes will have the same length of the AS path attribute value.

B.

Redistribute the external prefixes onto OSPF and ensure the total metric calculation includes only the ext value and the value is the same in all ASBRs.

C.

Enable OSPF load-balancing over unequal cost path.

D.

Redistribute the external prefixes onto OSPF and ensure that the total metric calculation includes external internal values.

Discussion
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