Interesting Facts that Help you Crack the Tough Cisco 300-420 Exam

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Cisco 300-420 Exam Syllabus Topics:

Section	Objectives
Topic 1: Security Design in Enterprise Networks	- VPN and perimeter security architecture - Segmentation and access control design
Topic 2: Enterprise Campus Network Design	- Campus LAN architecture - Spine-leaf and hierarchical design models
Topic 3: Network Services Design	- Multicast and QoS design considerations - Routing protocols design (OSPF, EIGRP, BGP)
Topic 4: Enterprise Network Design Principles	- Design methodologies and best practices - Scalability and high availability design
Topic 5: Network Automation and Programmability	- API-driven network automation concepts - Controller-based networking design
Topic 6: WAN and Edge Connectivity Design	- Traditional WAN and internet edge design - SD-WAN architecture and design considerations

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Cisco Designing Cisco Enterprise Networks Sample Questions (Q335-Q340):

NEW QUESTION # 335

Refer to the exhibit. Where must an architect plan for route summarization for the topology?

A. from the core toward the aggregation and the access toward the aggregation
B. from the core toward the aggregation and the aggregation toward the core
C. from the aggregation toward the access and the access toward the aggregation
D. from the aggregation toward the core and the aggregation toward the access

Answer: D

NEW QUESTION # 336
Which two statements describe source trees in a multicast environment? (Choose two.)

A. Source trees guarantee the minimum amount of network latency for forwarding multicast traffic
B. Source trees create an optimal path between the source and the receivers
C. Source trees can introduce latency in packet delivery
D. Source trees can create suboptimal paths between the source and the receivers
E. Source trees use a single common root placed at some chosen point in the network

Answer: A,B

Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16-5/imc-pim-xe-16-5-book
/imc-tech-oview.html

NEW QUESTION # 337
The customer solution requires QoS to support streaming multimedia over a WAN. An architect chooses to use Per-Hop Behavior. Which solution should the engineer use to of mark traffic traveling between branch sites?

A. CBWFQ with DSCP AF2
B. LLQ with DSCP AF4
C. LLQ with DSCP EF
D. CBWFQ with DSCP AF3

Answer: C

NEW QUESTION # 338
Refer to the exhibit.

A network engineer must design a multicast solution based on:
* Many-to-many communications between the users and sources
* Support of up to 50 multicast sources
* Users that must register for steams
Which multicast solution must the engineer select?

A. Bidirectional PIM
B. Source-Specific Multicast
C. Any Source Multicast
D. Multicast VPN

Answer: A

NEW QUESTION # 339
A customer's current Layer 2 infrastructure is running Spanning Tree 802.1d, and all configuration changes are manually implemented on each switch. An architect must redesign the Layer 2 domain to achieve these goals:

A. reduce the impact of topology changes
B. reduce manual configuration errors
C. reduce the time spent on network administration

Answer: A,B

Explanation:
Which two solutions should the architect include in the new design? (Choose two.) Implement Rapid PVST+ instead of STP.
Implement MST instead of STP.
Use VTP to propagate VLAN information and to prune unused VLANs.
Configure broadcast and multicast storm control on all switches.
Configure dynamic trunking protocol to propagate VLAN information.

NEW QUESTION # 340
......

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