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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Enterprise Networks |
| Exam Number: | 300-420 ENSLD |
| Exam Price: | USD 400 |
| Exam Duration: | 90 minutes |
| Passing Score: | Pass/Fail |
| Available Languages: | Japanese, English |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Cisco Certified Specialist โ Enterprise Design Cisco Certified Network Professional (CCNP) Enterprise |
| Exam Format: | Simulations, Scenario-based, Drag-and-drop, Multiple choice |
| Real Exam Qty: | 55โ65 |
| Recommended Training: | Designing Cisco Enterprise Networks (ENSLD) Official Training |
| Exam Registration: | Pearson VUE Cisco Official Registration |
| 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 is a critical certification exam for IT professionals who want to advance their careers in enterprise network design. It tests the candidate's knowledge and skills in designing and implementing advanced enterprise network architectures using Cisco technologies. Designing Cisco Enterprise Networks certification program is globally recognized and helps professionals stay up-to-date with the latest trends and best practices in enterprise network design. Passing the exam is a validation of the candidate's knowledge and skills and is a prerequisite for the CCNP Enterprise certification.
Cisco Enterprise Wireless Network Design (300-425 ENWLSD)
Prerequisite: none.
Cisco Enterprise Advanced Routing and Services Implementation (300-410 ENARSI)
Cisco Enterprise Wireless Network Implementation (300-430 ENWLSI)
NEW QUESTION # 167 
Refer to the exhibit. A company specializing in VoD content creation has two offices in a separate multicast domain connected by a WAN link. BGP communication has been established between the offices. Clients are inside the LAN in each office. In AS5373. R2 has been selected as RP. What must the network architect design to deliver VoD content to clients in AS65773?
Answer: D
Explanation:
MSDP is required because the design connects separate PIM-SM multicast domains and needs multicast source discovery across domain boundaries. In each autonomous system, receivers join a multicast group through the local rendezvous point. Without MSDP, an RP in one domain does not automatically learn about active sources registered to an RP in another domain. MSDP allows RPs to exchange Source-Active information so that receivers in AS65773 can learn about VoD sources in AS5373 and build the required multicast forwarding state. Auto-RP and BSR are mechanisms for discovering or advertising rendezvous point information inside a PIM domain; they do not solve interdomain source discovery between separate multicast domains. PIM SSM can work for source-specific applications, but the question states that R2 has been selected as RP, which indicates an ASM/PIM-SM design. With BGP already established between offices, MSDP complements the interdomain routing design by exchanging multicast source reachability information.
Reference topics: MSDP, PIM-SM, interdomain multicast, Source-Active messages, rendezvous point resilience.
NEW QUESTION # 168
Which element in a Cisco SD-WAN architecture maintains a centralized routing table?
Answer: D
NEW QUESTION # 169
A company must automate a set of complex changes aligned with DR testing in the network. These changes are specific, and the DR playbook will be adjusted in the future. The playbook has diverse routing and switching assets in scope as well as multiple vendor and hardware platforms. A developer will create a thin, web front-end microservice and integrate with an Open daylight controller to push changes to the network. Which YANG model should be used?
Answer: C
NEW QUESTION # 170 
Refer to the exhibit. A customer experienced an unexpected network outage when the link between R1 and R2 went down. An architect must design a solution to ensure network continuity in the event the link fails again.
Which solution should the design include?
Answer: D
Explanation:
Making R3 an L1/L2 router restores the required IS-IS hierarchy and prevents the outage caused by the failed R1-to-R2 link. In IS-IS, Level 1 routers have detailed topology only inside their own area, while Level 2 routers provide the interarea backbone. Routers that connect a Level 1 area to the Level 2 backbone must operate as Level 1/Level 2 devices so they can participate in both databases and provide an exit path for area traffic. If a path between areas depends on a router that is only Level 1 or only Level 2 in the wrong location, traffic can be blackholed when a key link fails. Configuring R3 as L1/L2 gives the topology an additional valid transition point between the local area and the backbone, improving continuity after the R1-to-R2 failure. Making unrelated routers L1 or L2 does not necessarily create the required interarea attachment.
Reference topics: IS-IS Level 1, Level 2 backbone, L1/L2 routers, interarea reachability, hierarchical IGP design.
NEW QUESTION # 171
Refer to the exhibit. A network engineer must design an MPLS Layer 3 VPN solution that meets these requirements:
- Site-A and Site-B communicate only with the head office.
- Site-C and Site-D communicate with each other and the head office.
Which two solutions must the engineer choose? (Choose two.)
Answer: B,C
Explanation:
Site-C and Site-D must import and export each other's VPN route target communities to enable direct communication between them.
The head office must import the VPN route target communities of all sites so it can communicate with every site.
NEW QUESTION # 172
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P.S. Free & New 300-420 dumps are available on Google Drive shared by ITExamDownload: https://drive.google.com/open?id=1BPGWnqMo57ZXXiVzgANLstM-fDc8uG77