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| Section | Objectives |
|---|---|
| Topic 1: WAN and Edge Connectivity Design | - SD-WAN architecture and design considerations - Traditional WAN and internet edge design |
| Topic 2: Enterprise Network Design Principles | - Scalability and high availability design - Design methodologies and best practices |
| Topic 3: Enterprise Campus Network Design | - Spine-leaf and hierarchical design models - Campus LAN architecture |
| Topic 4: Security Design in Enterprise Networks | - VPN and perimeter security architecture - Segmentation and access control design |
| Topic 5: Network Services Design | - Routing protocols design (OSPF, EIGRP, BGP) - Multicast and QoS design considerations |
| Topic 6: Network Automation and Programmability | - Controller-based networking design - API-driven network automation concepts |
>> 300-420 Latest Exam Test <<
All operating systems also support this web-based 300-420 practice test. The third format is desktop 300-420 practice exam software that can be accessed easily after installing it on your Windows PC or Laptop. These formats are there so that the students can use them as per their unique needs and prepare successfully for 300-420 the on first try.
NEW QUESTION # 17
Which two steps can be taken to improve convergence in an OSPF network? (Choose two.)
Answer: B,E
NEW QUESTION # 18
A company plans to deploy a new application across the campus network and asks an engineer to create a QoS policy. The application has these characteristics:
- UDP-based
- inelastic flows
- sensitive to delay over 100 milliseconds
- sensitive to jitter over 50 milliseconds
The appropriate bandwidth is allocated and assigned to the queues. Which mechanism must the engineer use to manage the flows that exceed the configured threshold?
Answer: C
Explanation:
Policing is used to enforce bandwidth limits by dropping or remarking packets that exceed the configured threshold, which is necessary for managing inelastic, delay- and jitter-sensitive UDP flows when they exceed the allocated resources.
NEW QUESTION # 19
Drag and drop the characteristics from the left onto the YANG models they describe on the right. Not all options are used.
Answer:
Explanation:
Explanation
Diagram Description automatically generated
NEW QUESTION # 20
A customer requested that a guaranteed service line be enabled for a manufacturing business in different countries. On the customer side, the QoS-aware application is used to process large data chunks. The application cannot tolerate drops and latency should be as low as possible.
Which QoS model must an engineer employ to use the minimum required resources on the ISP network nodes?
Answer: A
Explanation:
A domain-based QoS strategy with Per-Hop Behavior (PHB) is the best fit for guaranteeing a service line with low latency and no packet drops for an application that processes large data chunks. PHB ensures that traffic is classified and treated with consistent behavior across each node in the ISP network. This approach minimizes latency, avoids packet drops, and uses only the necessary resources, optimizing efficiency. It aligns with the requirement to provide high- quality service while conserving ISP network resources.
NEW QUESTION # 21
An engineer is designing a PIM Anycast RP solution between two data centers. The design must ensure that RP1 in DC1 and RP2 in DC2 inform each other about specific sources that have joined locally. Which solution must the engineer choose?
Answer: A
Explanation:
In Anycast RP, two or more RPs are configured with the same IP address on loopback interfaces. The Anycast RP loopback address should be configured with a 32-bit mask, making it a host address. All the downstream routers should be configured to "know" that the Anycast RP loopback address is the IP address of their local RP. IP routing automatically will select the topologically closest RP for each source and receiver.
MSDP used for Anycast RP is an intradomain feature that provides redundancy and load-sharing capabilities.
Enterprise customers typically use Anycast RP for configuring a Protocol Independent Multicast sparse mode (PIM-SM) network to meet fault tolerance requirements within a single multicast domain.
https://www.cisco.com/c/en/us/td/docs/ios/solutions_docs/ip_multicast/White_papers/anycast.
html#wp1029118
https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/115011-anycast-pim.html
" You need to have a loopback on each prospective RP router, which is different than the loopback that is being used as the RP address."
NEW QUESTION # 22
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