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

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Exam Name:	Cisco Certified Design Expert (CCDE v3.0)
Exam Code:	400-007 Dumps
Vendor:	Cisco	Certification:	CCDE v3.0
Questions:	329 Q&A's	Shared By:	rahma

Question 72

Company XYZ is redesigning their QoS policy. Some of the applications used by the company are real-time applications. The QoS design must give these applications preference in terms of transmission. Which QoS strategy can be used to fulfill the requirement?

Options:

weighted fair queuing

weighted random early detection

low-latency queuing

first-in first-out

Discussion

Question 73

Which Interconnectivity method offers the fastest convergence in the event of a unidirectional issue between three Layer 3 switches connected together with routed links in the same rack in a data center?

Options:

Copper Ethernet connectivity with BFD enabled

Copper Ethernet connectivity with UDLD enabled

Fiber Ethernet connectivity with BFD enabled

Fiber Ethernet connectivity with UDLD enabled

Discussion

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Question 74

SD-WAN can be used to provide secure connectivity to remote offices, branch offices, campus networks, data centers, and the cloud over any type of IP-based underlay transport network. Which two statements describe SD WAN solutions? (Choose two.)

Options:

SD-WAN networks are inherently protected against slow performance.

Control and data forwarding planes are kept separate.

Improved operational efficiencies result In cost savings.

Solutions include centralized orchestration, control, and zero-touch provisioning.

Solutions allow for variations of commodity and specialized switching hardware.

Discussion

Question 75

You want to mitigate failures that are caused by STP loops that occur before UDLD detects the failure or that are caused by a device that is no longer sending BPDUs. Which mechanism do you use along with UDLD?

Options:

Root guard

BPDU guard

Loop guard

BPDU filtering

Discussion

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