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Cisco 300-420 Certification Exam covers a wide range of topics, including network design principles, network infrastructure design, routing protocols, switching technologies, wireless LANs, and network services. Candidates are required to have a thorough understanding of these topics and be able to apply them in real-world situations.
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.
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The target audience for this certification exam is those individuals who work as a Network Engineer, a Network Design Engineer, and a System Administrator. It is also designed for any professional in the field of IT looking to validate their knowledge and skills in enterprise networking & security. This Cisco test does not have any official prerequisites, so the potential candidates do not need to fulfill the working experience requirement or hold any certificates. However, the applicants must develop competence in the exam topics before taking it.
NEW QUESTION # 342 
Refer to the exhibit. Area 10 is a regular OSPF area and networks 10.1.1.0/24 and 172.16.1.0/24 are internal.
Which design provides optimal routing between both networks when the link between routers C and E fails?
Answer: B
Explanation:
Moving the link between routers C and D into area 10 provides the most direct OSPF design correction for optimal routing between the internal networks after the C-E link fails. OSPF requires careful area design because intra-area routes are preferred over interarea routes, and traffic between two routers in the same regular area should not be forced through a less optimal backbone or interarea path when a better local path exists. If the C-D link remains outside area 10, the failure of C-E can cause traffic between 10.1.1.0/24 and
172.16.1.0/24 to take a suboptimal interarea route. Placing the C-D link in area 10 keeps the alternate path within the same area and allows OSPF to calculate the best intra-area route when the primary link fails. A virtual link is used to connect a disconnected area to area 0, not to optimize this intra-area failure case. A tunnel adds unnecessary overlay complexity, and making area 10 NSSA changes external LSA behavior, not internal path optimization. Reference topics: OSPF area design, intra-area preference, failure-path optimization, link placement.
NEW QUESTION # 343
Drag and drop the steps WAN Edge performs when on-boarded into the Cisco SD-WAN overlay from the left into the order they are completed on the right.
Answer:
Explanation:
Explanation:
Table Description automatically generated with low confidence
NEW QUESTION # 344
An engineer is designing a campus network with Cisco Catalyst 95CO switches in the aggression 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 veil contam a single VLAN. Which technology must the engineer choose for the aggregation switches in the design?
Answer: B
Explanation:
StackWise Virtual is the correct technology for Cisco Catalyst 9500 aggregation switches when the design requires nonblocking Layer 2 multichassis EtherChannel from aggregation to access. The question specifically describes Catalyst 9500 switches located on different floors for availability, with access switches dual-homed through a Layer 2 MEC design. Traditional VSS was used on older Catalyst platforms such as Catalyst 4500 and 6500 families. For Catalyst 9000 platforms, Cisco uses StackWise Virtual to virtualize two physical switches into a single logical switching system. This enables multichassis EtherChannel, removes the need for STP to block one uplink, improves convergence, and provides device-level redundancy. vPC is a Nexus data-center technology, not a Catalyst campus aggregation technology. StackWise-180 refers to physical stack bandwidth behavior on specific access platforms and does not provide the same distributed campus aggregation function. Therefore, the design should use StackWise Virtual on the Catalyst 9500 aggregation pair. Reference topics: Catalyst 9500, StackWise Virtual, multichassis EtherChannel, campus aggregation, Layer 2 resiliency.
NEW QUESTION # 345
Refer to the exhibit.
Refer to the exhibit. An engineer is designing an OSPF network for a client. Requirements dictate that the routers in Area 1 should receive all routes belonging to the network, including EIGRP, except the ones originated in the RIP domain. Which action should the engineer take?
Answer: A
Explanation:
NEW QUESTION # 346
Drag and Drop Question
Drag and drop the descriptions from the left onto the Cisco SD-WAN component they describe on the right.
Answer:
Explanation:
NEW QUESTION # 347
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