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Cisco - Latest 300-420 - Designing Cisco Enterprise Networks Latest Braindumps Free

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To prepare for the Cisco 300-420 exam, candidates can take advantage of various training resources provided by Cisco, such as instructor-led courses, online training modules, and self-study materials. They can also gain hands-on experience by working with Cisco technologies in real-world scenarios. Exam candidates are recommended to have at least three to five years of experience working with enterprise networks before taking the exam.

Cisco 300-420 Certification Exam, also known as Designing Cisco Enterprise Networks (ENSLD), is designed for network professionals who are looking to validate their knowledge and skills in designing enterprise-level networks. 300-420 exam is a part of Cisco's CCNP Enterprise certification track, and passing it is a requirement for obtaining the CCNP Enterprise certification.

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Cisco Designing Cisco Enterprise Networks Sample Questions (Q245-Q250):

NEW QUESTION # 245
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?

A. 50 Mbps
B. 25 Mbps
C. 75 Mbps
D. 33 Mbps

Answer: D

Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_conmgt/configuration/xe-3s/qos-conmgt-xe-3s-book/qos 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 # 246
Refer to the exhibit. An architect must design an IGP solution for an enterprise customer. The design must support:
- Physical link flaps should have minimal impact.
- Access routers should converge quickly after a link failure.
Which two ISIS solutions should the architect include in the design? (Choose two.)

A. Reduce SPF and PRC intervals to improve convergence time.
B. Configure all access and aggregate routers to establish Level 1 / Level 2 adjacencies across the network.
C. Advertise the IS-IS interface and loopback IP address toward the Internet and data center.
D. Use BGP to IS-IS redistribution to advertise all Internet routes in the Level 1 area.
E. Configure access routers to establish a Level 1 adjacency and aggregate routers to establish a Level 1 / Level 2 adjacency.

Answer: A,E

Explanation:
Answer C should be responsible for timer optimization.
Answer E should be the proper design in an "IS-IS Hybrid topology design".
(L1/L2 routers maintain a separate lin-state database for L1 routes and L2 routes > This increases their CPU > So Access routes should never be both L1/L2 devices, only pure L1 devices)

NEW QUESTION # 247
An engineer is designing a campus network with Cisco Catalyst 9500 switches in the aggregation layer. The design requires running nonblocking Layer 2 MEC from the aggregation layer to the access layer. The Catalyst switches are located on different campus floors for availability reasons, and each access switch will contain a single VLAN. Which technology must the engineer choose for the aggregation switches in the design?

A. StackWise Virtual
B. VSS
C. VPC
D. StackWise-480

Answer: A

NEW QUESTION # 248
An engineer must design a multicast network for a financial application. Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better scale routing tables, the design must not use source trees. Which multicast protocol satisfies these requirements?

A. PIM-SM
B. BIDIR-PIM
C. MSDP
D. PIM-SSM

Answer: B

NEW QUESTION # 249
Which WAN connectivity technology is optimal for edge computing compared to others and why?

A. Due to low cost, high bandwidth, low latency, and closest proximity to the edge of the network, Mero Ethernet is the optimal WAN technology for edge computing compared to MPLS, which offers native separation and security with close proximity to the data center.
B. Due to low latency, high bandwidth, and closest proximity to the user, L3 VPN MPLS connectivity is the optimal WAN technology for edge computing compared to 4G/5G connectivity, which offers native separation and security with close proximity to the data center.
C. Due to low latency, high bandwidth, and closest proximity to the user. 4G/5G connectivity is the optimal WAN technology for edge computing compared to L3 VPN MPLS connectivity, which offers native separation and security with close proximity to the data center.
D. Due to high bandwidth, separation and security, and proximity to the data center network. DWDM Is the optimal WAN technology lor edge computing compared to 4G/5G connectivity, which offers native separation and security with close proximity to the data center.

Answer: C

NEW QUESTION # 250
......

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