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New developments in the tech sector always bring new job opportunities. These new jobs have to be filled with the Designing Cisco Enterprise Networks (300-420) certification holders. So to fill the space, you need to pass the Cisco 300-420 exam. Earning the Designing Cisco Enterprise Networks (300-420) certification helps you clear the obstacles you face while working in the Cisco field. To get prepared for the Designing Cisco Enterprise Networks (300-420) certification exam, applicants face a lot of trouble if the study material is not updated.
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Enterprise Networks |
| Exam Number: | 300-420 ENSLD |
| Related Certifications: | Cisco Certified Network Professional (CCNP) Enterprise Cisco Certified Specialist – Enterprise Design |
| Certificate Validity Period: | 3 years |
| Available Languages: | Japanese, English |
| Passing Score: | Pass/Fail |
| Exam Price: | USD 400 |
| Real Exam Qty: | 55–65 |
| Exam Duration: | 90 minutes |
| Exam Format: | Simulations, Multiple choice, Scenario-based, Drag-and-drop |
| Recommended Training: | Designing Cisco Enterprise Networks (ENSLD) Official Training |
| Exam Registration: | Cisco Official Registration Pearson VUE |
| Sample Questions: | Cisco 300-420 Sample Questions |
| Exam Way: | Online proctored or in-person at authorized test centers |
| Pre Condition: | Recommended: Implementing and Operating Cisco Enterprise Network Core Technologies (350-401 ENCOR) or equivalent knowledge |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ensld-300-420.html |
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Cisco 300-420 exam consists of 60-70 questions and has a duration of 90 minutes. 300-420 exam is computer-based and can be taken at any Pearson VUE testing center. 300-420 exam fee is $300 USD, and candidates must achieve a passing score of at least 750 out of 1000 to obtain the certification. 300-420 exam topics include advanced addressing and routing solutions, advanced enterprise campus networks, WAN technologies, enterprise network design, and security services.
Cisco 300-420 exam is a highly sought-after certification that validates the skills and knowledge of IT professionals in designing Cisco enterprise networks. Designing Cisco Enterprise Networks certification is designed for individuals who want to enhance their expertise in network design and implementation using Cisco technologies. 300-420 Exam covers a wide range of topics, including advanced routing and switching technologies, network security, network virtualization, and network automation.
Cisco 300-420 exam is a challenging and rewarding certification that is designed to validate your knowledge and skills in designing Cisco Enterprise Networks. Designing Cisco Enterprise Networks certification is an excellent choice for network designers who want to advance their careers and demonstrate their expertise in designing advanced network solutions. If you are interested in pursuing this certification, be sure to prepare thoroughly and study the latest networking technologies and industry trends.
NEW QUESTION # 11 
Refer to the exhibit. A company has some offices that are connected via dark fiber in New York. A network architect must optimize the network design based on the EIGRP routing protocol. The network has hierarchical addressing between 10 and 12 routers in each office. Routing convergence time must be at the minimum. What must the network architect do to reduce the query range?
Answer: D
Explanation:
Implementing network summarization on the edge routers is the correct EIGRP design action to reduce query range and improve convergence. In EIGRP, when a route is lost and no feasible successor exists, DUAL sends queries to neighbors. If the network is large or poorly summarized, those queries can propagate widely and increase convergence time. Hierarchical addressing allows each office or edge block to advertise a summary instead of many specific prefixes. If a specific subnet inside an office fails, the summary can remain stable toward the rest of the network, preventing the failure from triggering unnecessary queries across the dark- fiber interoffice topology. Stub routing can also reduce query scope, but the option says to configure stub areas on non-edge routers, which is not the right EIGRP terminology or placement. Different EIGRP processes add redistribution complexity, and route filtering alone does not provide the same clean convergence boundary as summarization. Reference topics: EIGRP summarization, DUAL query scope, hierarchical addressing, convergence optimization, dark-fiber campus routing.
NEW QUESTION # 12
Refer to the exhibit.
An engineer is designing a routing solution for a customer. The design must ensure that a failure of network
10.1.0.0/24, 10.1.2.0/24, 10.2.1.0/24, or 10.2.3.0/24 does not impact the core. It also requires fast convergence time during any link failover in the core or access networks. Which solution must the engineer select?
Answer: B
NEW QUESTION # 13
Prior to establishing full-mesh IPsec tunnels in a typical Cisco SD-WAN deployment, which mechanism do WAN Edge routers use to exchange key information for data plane encryption?
Answer: C
Explanation:
Cisco SD-WAN uses vSmart controllers as key exchange servers to establish and manage IPsec tunnels between WAN Edge routers. The vSmart controllers generate and distribute cryptographic keys to the WAN Edge routers, which are then used to encrypt and decrypt traffic over the IPsec tunnels.
https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/security/vedge/security- book.pdf
NEW QUESTION # 14
An engineer is designing a multicast network for a financial application Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better routing tables, the design must not use source trees.
Which multicast protocol satisfies these requirements?
Answer: B
Explanation:
Bidir-PIM is designed to be used for many-to-many applications within individual PIM domains.
Multicast groups in bidirectional PIM mode can scale to an arbitrary number of sources without incurring overhead due to the number of sources.
NEW QUESTION # 15
What are the two purpose of the RPF check in multicast routing?
Answer: B,D
Explanation:
The RPF check verifies that multicast traffic arrives on the interface the router would use to reach the source or RP, and it prevents forwarding when traffic arrives from the wrong direction. Cisco multicast forwarding is intentionally different from unicast forwarding because a multicast packet may need to be replicated toward many receivers. Without Reverse Path Forwarding, multicast loops and duplicate packets could occur. Option A captures the forwarding condition: the packet is accepted when it arrives on the interface used to route back toward the source address. Option D is the closest available drop condition in the answer set, expressing that packets not aligned with the correct reverse path are discarded rather than forwarded. Option B incorrectly checks the route toward the destination group, because multicast groups are not reached through ordinary unicast destination routing. Option C would flood traffic and create loops. Option E reverses the correct logic by dropping packets that arrive on the proper reverse-path interface. Reference topics: multicast RPF, loop prevention, source-tree forwarding, shared-tree forwarding, PIM.
NEW QUESTION # 16
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