400-007最新考題 - 400-007真題材料

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Cisco 400-007 Exam Syllabus Topics:

Section	Weight	Objectives
Network Design	30%	- Design Service Provider and Enterprise WAN architectures 1. Data center interconnect solutions 2. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet 3. Software-Defined WAN design implementations - Design resilient and scalable campus architectures 1. Layer 2 and Layer 3 boundary definitions 2. High availability techniques and fast convergence mechanisms
Control, Data, Management Plane and Operational Design	25%	- Design data plane transport and management plane strategies 1. End-to-end Quality of Service policies 2. Network visibility, telemetry, and logging infrastructures - Design control plane routing architectures 1. Multicast routing designs and protocol options 2. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP 3. IPv4 and IPv6 dual-stack infrastructure transitions
Business Strategy Design	15%	- Evaluate project management methodologies impact 1. Agile framework and iterative lifecycle alignment 2. Waterfall framework implementation constraints - Assess business goals and drivers 1. Determine regulatory and compliance constraints 2. Evaluate risk management and business continuity strategies 3. Analyze company financial metrics and drivers like CAPEX, OPEX, and ROI
Service Design	15%	- Design infrastructure and network virtualization 1. Cloud integration models including hybrid and multi-cloud environments 2. MPLS architecture implementations such as LDP and Segment Routing - Incorporate automation and network programmability 1. Data parsing structures using JSON and XML formats 2. Infrastructure as Code tool adoption
Security Design	15%	- Design secure perimeter and edge boundaries 1. Firewall and Intrusion Prevention System deployment modes 2. Enterprise cryptography architectures and VPN frameworks - Design secure infrastructure controls 1. Network virtualization security and microsegmentation 2. Layer 2 and Layer 3 security defense mechanisms

>> 400-007最新考題 <<

無與倫比的400-007最新考題和保證Cisco 400-007考試成功與高效的400-007真題材料

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最新的 CCDE v3.0 400-007 免費考試真題 (Q57-Q62):

問題 #57
Which two statements describe the functionality of OSPF packet-pacing timers? (Choose two ) The group-pacing timer controls the interval that is used for group and individual LSA refreshment

A. OSPF retransmission-pacing timers allow control of interpacket spaang between consecutive link-state update packets in the OSPF retransmission queue.
B. OSPF retransmission-pacing timers allow control of packet interleaving between nonconsecutive link-state update packets in the OSPF retransmission queue.
C. OSPF flood-pacing timers allow control of interpacket spacing between consecutive link-state update packets in the OSPF transmission queue
D. OSPF flood-pacing timers allow dynamic control of the OSPF transmission queue size

答案：A,C

問題 #58
Refer to the exhibit.

An engineer has been asked to redesign the traffic flow toward AS 111 coming from AS 500.Traffic destined to AS 111 network 91 7 0.0/16 should come in via AS 100. while traffic destined to all other networks in AS
111 should continue to use the existing path Which BGP attributes are best suited to control this inbound traffic coming from BGP AS 500 Into the 91.7.0.0/16 network?

A. Set higher MED for neighbor in AS 100 to influence incoming traffic for the 91. 7.0.0/16 network.
B. Prepend AS path for the 91.7.0.0/16 network and set it for neighbor in AS 200.
C. Use local preference on R1 for the networks that AS 500 advertises to AS 111.
D. Use extended community for the 91.7.0.0/16 network, not advertising it to the bi-lateral peer.

答案：B

問題 #59
Refer to the exhibit.

There are multiple trees in the Cisco FabricPath All switches in the Layer 2 fabric share the same view of each tree. Which two concepts describe how the multicast traffic is load-balanced across this topology?
(Choose two )

A. The multicast traffic is generally load-balanced across all trees
B. Every leaf node assigns the specific (S.G) to the same tree.
C. A specific (S.G) multicast traffic is load-balanced across all trees due to better link utilization efficiency.
D. A specific (S.G) traffic is not load-balanced
E. All trees are utilized at the same level of the traffic rate

答案：C,E

問題 #60
If the desire is to connect virtual network functions together to accommodate different types of network service connectivity, what must be deployed?

A. daisy chaining
B. service chaining
C. bridging
D. linking
E. switching

答案：B

問題 #61
You want to add 900 VLANs to an existing 90 in a data center. What are two spanning tree concerns to consider?

A. To add 990 VLANs to the switching hardware, reserved VLANs require using extended VLAN
B. The diameter of the STP topology is increased
C. STP is increased by a factor of 10 convergence time
D. BPDU does not support 990 VLANs
E. The PVST+ increases CPU utilization

答案：A,E

解題說明：
# Explanation:
* B: Cisco switches reserve certain VLAN IDs. VLANs beyond 1005 are considered extended VLANs and may require special configuration (e.g., VTP transparent mode).
* D: Each VLAN with PVST+ has its own instance of STP. Adding 900 more VLANs significantly increases the STP processing overhead on the switch's control plane and CPU.
Other options:
* A: STP convergence time is more dependent on topology than VLAN count.
* C: STP diameter is unrelated to the number of VLANs-it's a function of hops in the topology.
* E: BPDU handling is VLAN-aware under PVST+; there's no direct per-BPDU VLAN limitation.

問題 #62
......

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