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400-007 Exam Dumps - Cisco Certified Design Expert (CCDE v3.1)

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Question # 17

Drag and drop the optical technology design characteristics on the left to the correct optical technologies on the right. Not all options are used

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Question # 18

Compared to data plane traffic, control plane traffic is relatively small in volume, but these flows are critical to the overall functioning of the network infrastructure and to voice and video endpoint well. When designing a QoS policy for a network, which two actions for the network control service-class is recommended? (Choose two)

A.

A moderately provisioned guaranteed-bandwidth queue can be assigned

B.

Traffic in this class needs to carry a CS6 DSCP marking.

C.

Place the traffic in the same queue as other signalling traffic.

D.

Network control traffic may be assigned a moderately provisioned shared queue

E.

WRED must be enabled on the class to avoid traffic being dropped

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Question # 19

Refer to the exhibit. A service provider has a requirement to use Ethernet OAM to detect end-to-end connectivity failures between SP-SW1 and SP-SW2. Which two ways to design this solution are true? (Choose two)

A.

Enable unicast heartbeat messages to be periodically exchanged between MEPs

B.

Enable Connectivity Fault Management on the SP switches

C.

Use upward maintenance endpoints on the SP switches

D.

Forward E-LMI PDUs over VPLS

E.

Forward LLDP PDUs over the VPLS

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Question # 20

: 477

An organization is working on a design solution for a new Internet-based remote access virtual private network that has 1000 remote sites. A network administrator recommends GETVPN as the model What is a potential problem of using GETVPN in this situation?

A.

GETVPN is not scalable to a large number of remote sites

B.

GETVPN key servers would be on public hacker-reachable space and need higher security

C.

GETVPN and DMVPN do not interoperate

D.

GETVPN requires a high level of background traffic to maintain its IPsec SAs

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Question # 21

A communication network failure is usually defined as a situation where the network is unable to deliver communication services Thus a failure can be viewed as a disruption of service rather than degradation due to congestion One of the survivability techniques for improving network resilience is traffic management Which network-level traffic management and restoration technique can be used to achieve this?

A.

Multi-homing nodes for link level failure mitigations

B.

Prevention technique to improve component and system performance

C.

Provisioning backup power supplies for network equipment

D.

Pre-configured backup LSP paths in MPLS networks

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Question # 22

Which two factors provide multifactor authentication for secure access to applications and data? (Choose two.)

A.

Persona-based

B.

Power-based

C.

Push-based

D.

Possession-based

E.

Pull-based

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Question # 23

: 498

When organizations initially start consuming public cloud services, they often use VPNs over the internet to connect their on-premises applications to the public cloud infrastructure. In which two cases are other connectivity methods a better fit? (Choose two.)

A.

latency sensitive multimedia streaming

B.

high availability

C.

migration to transit gateway

D.

cost sensitive business applications

E.

desktop-as-a-service using VDI

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Question # 24

Which two technologies enable multilayer segmentation? (Choose two.)

A.

policy-based routing

B.

segment routing

C.

data plane markings

D.

firewalls

E.

filter lists

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