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While making revisions and modifications to theย Cisco 300-420ย practice exam, our team takes reports from over 90,000 professionals worldwide to make the Designing Cisco Enterprise Networks exam questions foolproof. To make you capable of preparing for the Cisco 300-420 Exam smoothly, we provide actual Cisco 300-420 exam dumps.
Cisco 300-420 exam is an ideal certification for IT professionals who are looking to gain a competitive edge in the job market. 300-420 exam is designed to test the candidate's knowledge and skills in designing and implementing complex enterprise networks using Cisco technologies. 300-420 Exam is also designed to test the candidate's ability to troubleshoot complex network problems, as well as their ability to design and implement scalable and reliable network solutions.
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Cisco 300-420 certification exam is intended for network professionals who have several years of experience in designing and deploying enterprise networks. Candidates should have a good understanding of network protocols, network architecture, and network security. They should also be familiar with the latest networking technologies and trends.
The Cisco 300-420 test is a very diligently-designed exam that touches on almost every aspect of Cisco enterprise networking, routing & switching, and designing concepts. Securing the bare minimum passing marks in this exam is not an easy job as it demands more than commitment. All in all, there should be an army of reliable study resources to make a candidate skilled enough to pass the final exam. So, here is a list of some trustworthy resources that have proved beneficial for applicants to have a better hold over exam objectives:
#1 - Designing Cisco Enterprise Networks (ENSLD) v1.0 Course
Managed by Cisco and its associated partners, it is the official training course that the test-takers can join to taste success in the Cisco 300-420 Exam. This course, in particular, has been designed by Cisco experts and helps candidates gain the latest information about enterprise network design and its related concepts. To know more, such a training alternative is delivered via classroom and virtual method and is 5 days long. In each delivery mode, candidates will be able to learn via lectures, self-study, and practical sessions. Additionally, taking up this course not only eases down the Cisco 300-420 exam journey but also helps a candidate earn 40 CE credits toward recertification. This way, it can help you reap dual benefits. And when it comes to its target audience, networking design engineers, network engineers, and system administrators are the ideal candidates for such a training course. While there are no official prerequisites to enroll for such a test, it is suggested that applicants should have basic computing and internet understanding. On top of these, a clear understanding of routing and switching fundamentals along with clarity over basic wireless networking concepts and terminology makes the whole course journey way more simplified.
NEW QUESTION # 108 
Refer to the exhibit. AS65533 and AS65530 are announcing a partial Internet routing table as well as their IP subnets. An architect must create a design that ensures AS64512 become a transit AS. Which filtering solution must the architect choose?
Answer: D
NEW QUESTION # 109 
Refer to the exhibit. An architect is designing a Layer 3 campus network. The design must hide network instability, reduce network overhead, and conserve critical device memory. Which route summarization solution must the architect select?
Answer: B
Explanation:
The correct design is to advertise a default route from the aggregation layer toward the access layer and summarize the VLAN subnets at the aggregation layer toward the core. Cisco hierarchical campus design places summarization at aggregation or distribution boundaries because that is where access-layer routes are collected before entering the core. Summarizing the VLAN ranges into 10.0.0.0/16 hides individual access VLAN instability from the core, reducing routing table entries, protocol churn, and memory consumption on core devices. Sending a default route from aggregation to access also keeps access switches simple and prevents them from carrying unnecessary campus routing detail. This design contains failures and convergence events inside the appropriate block. Summarizing at the access layer is less practical when multiple VLANs aggregate at distribution. Advertising a default toward the core is backwards, because the core must know the summarized access block. Reference topics: hierarchical campus routing, aggregation- layer summarization, default routing to access, route-table reduction, convergence containment.
NEW QUESTION # 110
Since installing a cisco TelePresence system, the company is experiencing other application having response issues when the system in use. As a result, the company asked an architect to recommend a QoS solution. The customer is currently using a CBWFQ policy to manage traffic on an internet connection with a speed of 100 Mbps. Which link-capacity limit must the architect choose for strict-priority for the real-time traffic?
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_conmgt/configuration/xe-3s/qos-conmgt-xe-3s-book
/qos-conmgt-oview.html#GUID-48F6AF58-5CCC-44A0-B868-125AE453FF2A%20%20%20%20%20%20 (75%20Mbps) The sum of all bandwidth allocation on an interface cannot exceed 75 percent of the total available interface bandwidth. The remaining 25 percent is used for other overhead, including Layer 2 overhead, routing traffic, and best-effort traffic. Bandwidth for the CBWFQ class-default class, for instance, is taken from the remaining 25 percent.
NEW QUESTION # 111 
Refer to the exhibit An engineer is designing a hierarchical ISIS solution for an enterprise customer with these requirements
* Users in areas 25 and 55 send and receive traffic from both backbone areas
* Link flaps in areas 35 and 45 must not impact other areas
* Routers will double within the next 12 months in areas 35 and 45
Which design must the engineer select?
Answer: B
Explanation:
The IS-IS hierarchy should place access or internal area routers at Level 1, boundary routers at Level 1/2, and backbone routers at Level 2. In this exhibit, users in areas 25 and 55 must send and receive traffic through both backbone areas, while link flaps in areas 35 and 45 must not affect other areas. Cisco IS-IS design uses Level 1 areas to contain local topology changes and Level 2 routing to interconnect areas through the backbone. Level 1/2 routers sit at the area boundary and leak or advertise reachability between the local Level
1 area and the Level 2 backbone. Option C matches that hierarchy by placing A-series routers as Level 1, B- series routers as Level 1/2, and C-series routers as Level 2. Making too many routers Level 1/2 would expand the impact of topology changes and reduce scaling benefits. Making backbone routers Level 1 would break interarea design. Reference topics: IS-IS hierarchy, Level 1, Level 2, Level 1/2 routers, failure-domain containment, enterprise scaling.
NEW QUESTION # 112
Refer to the exhibit. An architect designed a BGP routing solution to reduce the number of IBGP peerings to conserve resources. The original design had a total of 36 IBGP peerings. The new design reduces the number of peerings by how many?
Answer: D
Explanation:
The design uses three BGP route reflector clusters. Each three-router cluster requires three internal peerings, for a total of nine, and the three route reflectors require three peerings among themselves. The new design therefore uses 12 IBGP peerings, reducing the original 36 peerings by 24.
NEW QUESTION # 113
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