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Pass the Cisco CCDE v3.0 400-007 Questions and answers with CertsForce

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Viewing questions 21-30 out of questions
Questions # 21:

What are two advantages of the Agile project management methodology? (Choose two)

Options:

A.

brief but detailed feedback loops


B.

extensive documentation


C.

well-detailed and reliable budget estimates


D.

creation of shippable enhancements


E.

tight and rigid model


Expert Solution
Questions # 22:

Which two benefits can software-defined networks provide to businesses? (Choose two.)

Options:

A.

decentralized management


B.

reduction of OpEx/CapEx


C.

meets high traffic demands


D.

provides additional redundancy


E.

enables innovation


F.

reduced latency


Expert Solution
Questions # 23:

Question # 23

Refer to the exhibit. The enterprise customer wants to stream one-way video from their head office to eight branch offices using multicast. Their current service provider provides a Layer3 VPN solution and manages the CE routers, but they do not currently support multicast. Which solution quickly allows this multicast traffic to go through while allowing for future scalability?

Options:

A.

Enable a GRE tunnel between nodes CE1 and CE2


B.

Enable a GRE tunnel between nodes C2 and C4


C.

Enable a GRE tunnel between nodes C1 and C4


D.

Implement hub and spoke MPLS VPN over DMVPN (also known as 2547o DMVPN) between CE1 and CE2


E.

The service provider must provide a Draft Rosen solution to enable a GRE tunnel between nodes PE1 and PE2


Expert Solution
Questions # 24:

In the case of outsourced IT services, the RTO is defined within the SLA Which two support terms are often included in the SLA by IT and other service providers’ (Choose two)

Options:

A.

Network size and cost


B.

Support availability


C.

Network sustainability


D.

Network reliability


E.

Resolution time


Expert Solution
Questions # 25:

Refer to the exhibit. This network is running legacy STP 802.1 d. Assuming " hello_timer " is fixed to 2 seconds, which parameters can be modified to speed up convergence times after single link/node failure?

Options:

A.

The transit_delay = 5 and bpdu_delay = 20 are recommended values, considering hello_timer = 2 and specified diameter.


B.

Only the maximum_transmission_halt_delay and diameter parameters are configurable parameters in 802.1d to speed up STP convergence process.


C.

The max_age and forward_delay parameters can be adjusted to speed up STP convergence process.


D.

Only the transit_delay and bpdu_delay timers are configurable parameters in 802.1d to speed up STP convergence process.


Expert Solution
Questions # 26:

Company XYZ has 30 sites using MPLS L3 VPN and the company is now concerned about data integrity. The company wants to redesign the security aspect of their network based on these requirements:

Securely transfer the corporate data over the private WAN

Use a centralized configuration model.

Minimize overhead on the tunneled traffic.

Which technology can be used in the new design to meet the company’s requirements?

Options:

A.

GET VPN


B.

MGRE


C.

DMVPN


D.

S-VTI


Expert Solution
Questions # 27:

In traditional network design, the network and data center are confined within a single building In this configuration, a router connects the internal and external networks Basic configuration of an access control list within the router controls the traffic that can pass through Which security technique defines the boundary between an internal/trusted network and an external/untrusted network?

Options:

A.

network segmentation


B.

security certifications


C.

encryption


D.

perimeter security


Expert Solution
Questions # 28:

Which three items do you recommend for control plane hardening of an infrastructure device? (Choose three.)

Options:

A.

redundant AAA servers


B.

Control Plane Policing


C.

warning banners


D.

to enable unused services


E.

SNMPv3


F.

routing protocol authentication


Expert Solution
Questions # 29:

Question # 29

Refer to the exhibit Network orchestration is a critical component of IT services that involves the automation of network services and execution over devices The orchestration deployment is not related to any specific OEM in the network It is performed through four components orchestration plane, control plane, management plane, and data plane Drag and drop the components from the left onto the corresponding actions they perform.

Question # 29


Expert Solution
Questions # 30:

While positive feedback loops generally don ' t last long enough to bring down a network completely, they can still last long enough to disrupt traffic flows or to cause the network to converge more slowly than it should.

What are two examples of cases where a positive feedback loop can be long-lived and devastating to the network ' s control plane? (Choose two)

Options:

A.

During redistribution of reachability information between multiple control planes


B.

Modifying the flow of traffic through the network by steering traffic based on QoS attributes


C.

When input traffic volumes on an interfaces causes the interface queue to overflow.


D.

The rate at which the information earned in the various control plane protocols changes


E.

When more paths available in any given routing process than are installed in the routing table


Expert Solution
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