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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Enterprise Networks (ENSLD) |
| Exam Number: | 300-420 ENSLD |
| Exam Duration: | 90 minutes |
| Exam Price: | $300 USD |
| Exam Format: | Multiple choice, Simulation-based questions, Drag and drop, Multiple response |
| Certificate Validity Period: | 3 years |
| Related Certifications: | CCNP Enterprise CCIE Enterprise Infrastructure |
| Real Exam Qty: | 55-65 |
| Available Languages: | Japanese, English, Simplified Chinese |
| Recommended Training: | Cisco Official Training (Designing Cisco Enterprise Networks) Cisco Learning Network - ENSLD |
| Exam Registration: | Pearson VUE Cisco Exams Cisco Certification Exam Registration |
| Sample Questions: | Cisco 300-420 Sample Questions |
| Exam Way: | Available via Pearson VUE test centers or online proctored exam |
| Pre Condition: | No formal prerequisites required. Recommended: CCNA-level knowledge and CCNP Enterprise core exam (350-401 ENCOR). |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/300-420-ensld.html |
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Cisco 300-420 Exam covers a wide range of topics related to designing enterprise networks, including network design methodologies, network security, routing protocols, switching technologies, wireless LANs, and WAN technologies. Candidates are expected to have a deep understanding of network protocols, including TCP/IP, OSPF, BGP, and EIGRP. They must also have a good grasp of network security concepts, such as firewalls, VPNs, and secure network design.
NEW QUESTION # 181
Which two activities should occur during an SE's discovery process? (Choose two.)
Answer: A,B
Explanation:
In the first phase of Cisco Design Thinking, your priority is getting to know your users - with empathy.
By empathizing with users and truly understanding their core needs, current frustrations, and related pain points, you can uncover the valuable opportunities that drive true innovation.
We do this by immersing ourselves in the world of our user through research techniques like interviews and contextual inquiries. We interpret the information we are capturing through artifacts like Journey maps, empathy maps, and story boards. We aim to capture the current state of the world for our user, and then reframe the information in order to draw insight from it.
https://medium.com/cisco-design-community/the-cisco-design-thinking-framework-1263c3ce2e7c
NEW QUESTION # 182
A customer plans to deploy WoL in the enterprise with these high-level design requirements:
DHCP services must be available.
Clients BIOS settings must be set for WoL.
Clients get IP addresses once online.
Spanning-tree PortFast is enabled on the Layer 2 switches.
Which two solutions must the customer select to have a successful deployment? (Choose two.)
Answer: A,C
Explanation:
Wake-on-LAN across routed boundaries requires directed broadcast handling toward the client subnet and helper behavior to forward the magic packet correctly. A sleeping host normally does not maintain a normal IP session, so the WoL magic packet is commonly sent as a directed broadcast to the destination subnet. Cisco designs therefore enable IP directed broadcast on the routed interface or SVI for the client subnet where the sleeping endpoints reside, while controlling the feature carefully to avoid abuse. The ip forward-protocol behavior is also relevant because routers must forward the required UDP broadcast traffic rather than dropping it at the Layer 3 boundary. In addition, an IP helper address toward the WoL server or relay path may be needed on client-facing interfaces so the magic packet can be delivered from the management or server subnet to the client subnet. PortFast helps endpoints become reachable quickly at Layer 2, but it does not replace routed broadcast forwarding. Reference topics: Wake-on-LAN, directed broadcast, ip helper- address, UDP forwarding, PortFast, campus services.
NEW QUESTION # 183
Drag and Drop Question
Drag and drop the elements from the left onto the YANG models where they and used on the right.
Answer:
Explanation:
NEW QUESTION # 184
An engineer must use YANG with an XML representation to configure a Cisco IOS XE switch with these specifications:
* IP address 10.10.10.10/27 configured on the interface GigabitEthernet2/1/0
* connectivity from a directly connected host 10.10.10.1/27
Which YANG data model set must the engineer choose?
Answer: B
Explanation:
The correct model set is the one that configures the IOS XE interface GigabitEthernet2/1/0 with IPv4 address
10.10.10.10 and prefix length 27 using valid XML according to the selected YANG schema. The directly connected host address 10.10.10.1/27 confirms the subnet relationship; both addresses belong to 10.10.10.0
/27, so the interface configuration must use that prefix length rather than a host mask or an unrelated network.
YANG-based configuration is strict: the namespace, container hierarchy, interface type, interface name, and address fields must match the device model. If an option places GigabitEthernet under the wrong container, represents the mask incorrectly, or uses a schema from a different model family, the device will reject the payload or configure the wrong object. Option D correctly represents the IOS XE XML structure and the required addressing. In real operations, the engineer should follow this with a get-config readback against the running datastore to prove that the structured configuration committed as intended. Reference topics: IOS XE interface YANG, XML payload structure, NETCONF configuration, IPv4 subnet validation.
NEW QUESTION # 185 
Refer to the exhibit. A network engineer working for a private service provider with an employee ID: 4670:71:
451 must design a BGP solution based on:
* All traffic originating from AS100 must pass through AS200 to reach the NTP and DHCP server
* When a link failure occurs between R3 and R4, traffic must follow the R2-R9 link to reach the NTP and DHCP server.
Which solution must the design include?
Answer: C
Explanation:
A higher local preference on R3 for the relevant routes is the correct method to influence outbound traffic inside the autonomous system. Local preference is a well-known discretionary BGP attribute used within an AS to choose the preferred exit path. A higher local preference is preferred over a lower one, and the attribute is propagated to iBGP peers so routers in the AS make a consistent outbound decision. The requirement says all traffic originating from AS100 must pass through AS200 toward the NTP and DHCP server, and if the R3- to-R4 link fails, the path must move to the R2-to-R9 link. Applying local preference on R3 toward the routers that need to reach the data center establishes R3 as the primary exit while preserving the alternate path through R2 and R9. AS-path prepending is mainly used to influence inbound traffic from other autonomous systems, not the local AS exit choice. Redistributing IGP metrics into BGP is less deterministic and not the right policy control. Reference topics: BGP local preference, outbound traffic engineering, iBGP policy propagation, primary and backup path design.
NEW QUESTION # 186
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