시험패스가능한300-420최신업데이트버전덤프덤프최신샘플

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Cisco 300-420 Exam Syllabus Topics:

Section	Objectives
Topic 1: Security Design in Enterprise Networks	- VPN and perimeter security architecture - Segmentation and access control design
Topic 2: Enterprise Network Design Principles	- Design methodologies and best practices - Scalability and high availability design
Topic 3: Network Automation and Programmability	- Controller-based networking design - API-driven network automation concepts
Topic 4: Enterprise Campus Network Design	- Spine-leaf and hierarchical design models - Campus LAN architecture
Topic 5: Network Services Design	- Multicast and QoS design considerations - Routing protocols design (OSPF, EIGRP, BGP)
Topic 6: WAN and Edge Connectivity Design	- Traditional WAN and internet edge design - SD-WAN architecture and design considerations

>> 300-420최신 업데이트버전 덤프 <<

300-420자격증공부자료 & 300-420시험패스 인증덤프문제

지금 사회에 능력자들은 아주 많습니다.it인재들도 더욱더 많아지고 있습니다.많은 it인사들은 모두 관연 it인증시험에 참가하여 자격증취득을 합니다.자기만의 자리를 확실히 지키고 더 높은 자리에 오르자면 필요한 스펙이니까요.300-420시험은Cisco인증의 중요한 시험이고 또 많은 it인사들은Cisco자격증을 취득하려고 노력하고 있습니다.

최신 CCNP Enterprise 300-420 무료샘플문제 (Q155-Q160):

질문 # 155

Refer to the exhibit. The distribution switches serve as the layer 3 boundary. HSRP preemption is enabled.
When the primary switch comes back after a failure, traffic is initially dropped. Which solution must be implemented to improve the design?

A. Configure a higher mac-refresh interval on both HSRP devices
B. Increase the hello timers on both HSRP devices
C. Use the preempt delay feature on the backup HSRP device
D. Use the preempt delay feature on the primary HSRP device.

정답：D

설명：
The primary HSRP device should use the preempt delay feature. When a failed primary distribution switch returns, HSRP preemption allows it to reclaim the active gateway role because it has the higher priority.
However, routing protocols, trunks, line cards, FIB programming, or upstream convergence may not be fully ready at the instant HSRP becomes active again. If the device preempts too quickly, hosts forward traffic to a gateway that is not yet ready to forward all flows, causing temporary packet loss. Cisco HSRP preempt delay prevents immediate takeover by delaying preemption after reload or interface recovery, giving the switch time to rebuild control-plane and forwarding-plane state. Increasing hello timers slows failure detection and does not solve the premature takeover problem. Applying preempt delay to the backup device is not the issue because the returning primary is the device that reclaims active state. MAC refresh timers are not the primary mechanism for this condition. Therefore, the design should configure preempt delay on the primary HSRP device. Reference topics: HSRP preemption, preempt delay, gateway recovery, campus high availability, convergence coordination.

질문 # 156
A company is using OSPF between its HQ location and a branch office. HQ is assigned area 0 and the branch office is assigned area 1. The company purchases a second branch office, but due to circuit delays to HQ, it decides to connect the new branch office to the existing branch office as a temporary measure. The new branch office is assigned to area 2. Which OSPF configuration enables all three locations to exchange routes?

A. The existing branch office must be configured as a stub area
B. A virtual link must be configured between the new branch office and HQ
C. The new branch office must be configured as a stub area
D. A sham link must be configured between the new branch office and HQ

정답：B

설명：
Section: Advanced Addressing and Routing Solutions

질문 # 157
Drag and drop the characteristics from the left onto the Yang model they describe on the right.
Select and Place:

정답：

설명：

질문 # 158
Which PIM mode uses a shared tree only?

A. bidirectional
B. dense
C. sparse
D. source-specific

정답：A

설명：
In bidirectional mode, traffic is routed only along a bidirectional shared tree that is rooted at the rendezvous point (RP) for the group https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16/imc-pim-xe-16-book/imc-tech-oview.html#GUID-51D0D6DF-E7F1-4A0E-8E31-D7ED464DF2AC

질문 # 159
Drag and drop the characteristics from the left onto the correct telemetry mode on the right.

정답：

설명：

Explanation

In a dial-in mode, the destination initiates a session to the router and subscribes to data to be streamed. Dialin mode is supported over gRPC in only 64-bit platforms In a dial-out mode, the router initiates a session to the destinations based on the subscription. All 64-bit IOS XR platforms (except for NCS 6000 series routers) support gRPC and TCP protocols. All 32-bit IOS XR platforms support only TCP.

질문 # 160
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