Cisco exams4sure pass 400-007 Exam Guide by Rahma q266 vce pdf

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Exam Name:	Cisco Certified Design Expert (CCDE v3.1)
Exam Code:	400-007 Dumps
Vendor:	Cisco	Certification:	CCDE v3.0
Questions:	349 Q&A's	Shared By:	rahma

Question 72

Company XYZ has implemented policy-based routing in their network. Which potential problem must be kept in mind about network reconvergence and PBR?

Options:

It can limit network scalability

It can create microloops during reconvergence

It increases convergence time.

It reduces convergence time.

Discussion

Question 73

Which two statements describe the functionality of OSPF packet-pacing timers? (Choose two.)

Options:

The group-pacing timer controls the interval that is used for group and individual LSA refreshment

OSPF flood-pacing timers allow dynamic control of the OSPF transmission queue size

OSPF retransmission-pacing timers allow control of interpacket spacing between consecutive link-state update packets in the OSPF retransmission queue

OSPF retransmission-pacing timers allow control of packet interleaving between nonconsecutive link-state update packets in the OSPF retransmission queue

OSPF flood-pacing timers allow control of interpacket spacing between consecutive link-state update packets in the OSPF transmission queue

Discussion

Question 74

Company XYZ is planning to deploy primary and secondary (disaster recovery) data center sites. Each of these sites will have redundant SAN fabrics and data protection is expected between the data center sites. The sites are 100 miles (160 km) apart and target RPO/RTO are 3 hrs and 24 hrs, respectively. Which two considerations must Company XYZ bear in mind when deploying replication in their scenario? (Choose two.)

Options:

Target RPO/RTO requirements cannot be met due to the one-way delay introduced by the distance between sites.

VSANs must be routed between sites to isolate fault domains and increase overall availability.

Synchronous data replication must be used to meet the business requirements.

Asynchronous data replication should be used in this scenario to avoid performance impact in the primary site.

VSANs must be extended from the primary to the secondary site to improve performance and availability.

Discussion

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Question 75

A company requires an RPO of less than 10 seconds to ensure business continuity. Which technology should be deployed?

Options:

Geographically dispersed data centers with asynchronous replication

A single data center with duplicated infrastructure, dual PSUs, and a UPS

Geographically dispersed data centers with synchronous replication

A single data center with duplicated infrastructure and dual PSUs