[2024] 300-420 Actual Exam Dumps, 300-420 Practice Test
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NEW QUESTION # 186
Drag and drop the descriptions from the left onto the Cisco SD-WAN component they describe on the right.
Answer:
Explanation:
Explanation
Answer Area
is responsible for traffic forwarding, security, encryption, QoS,and routing protocols distributes routes and policy information via OMP enables centralized provisioning and simplifies network changes enables the communication of devices that sit behind NAT
NEW QUESTION # 187
A client is moving to Model-Driven Telemetry and requires periodic updates. What must the network architect consider with this design?
- A. The primary push update is sent immediately and cannot be delayed.
- B. Empty data subscriptions do not generate empty update notifications.
- C. Periodic updates include a full copy of the data that is subscribed to.
- D. Updates that contain changes within the data are sent only when changes occur.
Answer: D
NEW QUESTION # 188
Which two LISP components are required in the Cisco SD-Access fabric control plane node?
(Choose two.)
- A. Ingres Tunnel Router
- B. Map-Server
- C. Map-Resolver
- D. Engress Tunnel Router
- E. Proxy ETR
Answer: B,C
NEW QUESTION # 189
What is an advantage of designing an out-of-band network management solution?
- A. In the event of a production network outage, it can be used as a backup network path.
- B. In the event of a production network outage, network devices can still be managed.
- C. There is no separation between the production network and the management network.
- D. It is less expensive than an in-band management solution.
Answer: B
Explanation:
Section: Network Services
Explanation/Reference:
NEW QUESTION # 190
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:
NEW QUESTION # 191
An engineermustdesign a management network for a customer's enterprise network. The design must:
* provide the ability to grant and revoke access privileges
* allow only protocols SSH, NTP, FTP, and SNMP
* restrict access to management Interfaces
Which solution must the engineer choose to meet the requirements?
- A. enterprise internal private
- B. in-band
- C. out-of-band
- D. mGRE
Answer: C
NEW QUESTION # 192
An architect is designing a connectivity solution for a customer's two small branch offices. The customer wants a cost-effective design, no routing overhead, and some down time during the year is acceptable. Which connectivity solution must the architect choose?
- A. dual-homed
- B. single multihomed
- C. dual multihomed
- D. single-homed
Answer: D
NEW QUESTION # 193
An organization is designing a detailed QoS plan that limits bandwidth to specific rates. Which two parameters are supported be the traffic policing feature? (Choose two.)
- A. shaping
- B. marking
- C. bursting
- D. conforming
- E. violating
Answer: A,B
NEW QUESTION # 194
An engineer is tasked with designing a dual BGP peering solution with a service provider. The design must meet these conditions:
- The routers will not learn any prefix with a subnet mask greater than
/24.
- The routers will determine the routes to include in the routing table based on the length of the mask alone.
- The routers will make this selection regardless of the service
provider configuration.
Which solution should the engineer include in the design?
- A. Use an IP prefix list to block the desired networks and apply the IP prefix list to BGP neighbors inbound.
- B. Use a route map and access list to block the desired networks, and apply the route map to BGP neighbors inbound.
- C. Use an IP prefix list to block the desired networks and apply the IP prefix list to BGP neighbors outbound.
- D. Use a route map and prefix list to block the desired networks, and apply the route map to BGP neighbors outbound.
Answer: A
NEW QUESTION # 195
A company must automate a set of complex changes aligned with DR testing in the network.
These changes are specific, and the DR playbook will be adjusted in the future. The playbook has diverse routing and switching assets in scope as well as multiple vendor and hardware platforms.
A developer will create a thin, web front-end microservice and integrate with an Open daylight controller to push changes to the network. Which YANG model should be used?
- A. Develop an individualized YANG model to minimize development resources and time to market.
- B. Use multiple native vendor YANG models to provide code consistency.
- C. Use a single native vendor YANG model to minimize development time
- D. Use an open YANG model to allow the reuse of code and standardize the implementation across platforms
Answer: D
NEW QUESTION # 196
Refer to the exhibit. An engineer is designing a redistribution solution for a customer. The customer recently acquired another company and decided to Integrate the new network running RIPv1 with the company's existing network. Which redistribution technique must the engineer select to ensure the multipoint two-way redistribution does not cause routing loops?
- A. distribute-lists inbound under the RIPv1 process denying EIGRP learned prefixes
- B. distribute-lists outbound under the RIPv1 process denying EIGRP learned prefixes
- C. distribute-lists outbound under the EIGRP process denying RIPv1 learned prefixes
- D. distribute-lists inbound under the EIGRP process denying RIPv1 learned prefixes
Answer: D
Explanation:
Using distribute-lists inbound under the EIGRP process, you can filter out the RIPv1 learned prefixes. This prevents the prefixes learned via RIPv1 from being redistributed back into EIGRP, thus avoiding potential routing loops during the redistribution process.
NEW QUESTION # 197
Refer to the exhibit. An architect is designing an EIGRP solution based on these requirements:
- Traffic forwarding should use the best two paths while all links are
available
- Single path failure must not impact traffic between branch and HQ
Which solution must the architect select?
- A. Variance 2
- B. Add-paths 2
- C. Metric weights 010100
- D. Maximum-paths 2
Answer: A
NEW QUESTION # 198
Drag and Drop Question
Drag and drop the descriptions from the left onto the categories they apply to on the right.
Answer:
Explanation:
NEW QUESTION # 199
Refer to the exhibit.
A customer is running HSRP on the core routers. Over time the company has grown and requires more network capacity. In the current environment, some of the downstream interfaces are almost fully utilized, but others are not. Which solution improves the situation?
- A. Enable RSTP on the downstream switches.
- B. Make router R2 active for half of the VLANs.
- C. Configure port channel toward downstream switches.
- D. Add more interfaces to R1 and R2.
Answer: B
NEW QUESTION # 200
Refer to the exhibit. An architect must create a stable and scalable EIGRP solution for a customer. The design must:
* conserve bandwidth, memory, and CPU processing
* prevent suboptimal routing
* avoid any unnecessary queries
Which two solutions must the architect select? (Choose two.)
- A. Route summarization
- B. Distribute lists
- C. Stub routing
- D. Prefix lists
Answer: C
NEW QUESTION # 201
An engineer is looking for a standards-driven YANG model to manage a multivendor network environment.
Which model must the engineer choose?
- A. IETF
- B. IEEE NETCONF
- C. OpenConfig
- D. Native
Answer: A
Explanation:
Section: Automation
NEW QUESTION # 202 
Refer to the exhibit. An engineer is designing a BGP solution for a client that peers with ISP1 for full Internet connectivity and with ISP2 for direct exchange of routes for several third parties. Which action, when implemented on the edge routers, enables the client network to reach the Internet through ISP1?
- A. Run an eBGP session within different VRFs for each ISP.
- B. Apply the AS-path prepend feature for ISP2.
- C. Apply route filtering such that the client advertises only routes originated from its own AS.
- D. Advertise a default route for downstream routers within the client network.
Answer: D
NEW QUESTION # 203
Drag and Drop Question
An engineer must design an addressing plan for a small business using a single /24 network.
Each department must have its own subnet. Drag and drop the subnets from the left onto the departments requirements that they fulfill on the right. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 204
Refer to the exhibit.
An engineer must design a WAN solution so that ISP-1 is always preferred over ISP-2. The path via ISP-2 is considered as a backup and must be used only when the path to ISP-1 is down. Which solution must the engineer choose?
- A. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: LOW local-preference
- Routes advertised to R2: community NO-ADVERTISE
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 5x AS-path prepend
- Routes received from ISP-2: HIGH local-preference
- Routes advertised to R1: no action
- Routes received from R1: community NO-ADVERTISE - B. R1:
- Routes advertised to ISP-1: 5x AS-path prepend
- Routes received from ISP-1: LOW local-preference
- Routes advertised to R2: community NO-ADVERTISE
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 0x AS-path prepend
- Routes received from ISP-2: HIGH local-preference
- Routes advertised to R1: community NO-EXPORT
- Routes received from R1: no action - C. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: HIGH local-preference
- Routes advertised to R2: no action
- Routes received from R2: community NO-EXPORT
R2:
- Routes advertised to ISP-2:5x AS-path prepend
- Routes received from ISP-2: LOW local-preference
- Routes advertised to R1: community NO-ADVERTISE
- Routes received from R1: no action - D. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: HIGH local-preference
- Routes advertised to R2: community NO-EXPORT
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 5x AS-path prepend
- Routes received from ISP-2: LOW local-preference
- Routes advertised to R1: no action
- Routes received from R1: no action
Answer: D
NEW QUESTION # 205
Which information update is earned by OMP and enables the Cisco SD-WAN to build a secure overlay fabric on top of any public or private transport without regard for the actual link IP?
- A. LISP PITR
- B. DTLS
- C. TLOC
- D. RLOC
Answer: C
Explanation:
A TLOC route represents a WAN link that serves as a tunnel endpoint and is uniquely identified by {System-IP, Color, Encapsulation}. Note that the System IP address is used instead of the interface IP address as an identifier for a TLOC route. That's because the interface IP can change at any given moment. Using the fixed System-IP ensures that the TLOC can be uniquely identified at all times irrespective of any interface IP changes. This is very important because an OMP route (vRoute) has a next-hop pointing to a TLOC. This separation of information allows TLOC routes to be updated with new parameters without having to invalidate the dependent vRoutes. If a vEdge router has multiple transport interfaces connected to different WAN providers, as shown in figure 7, a TLOC route is created and advertised for each WAN interface.
DTLS or TLS provides communication privacy between Cisco SD-WAN devices in the network, using the Advanced Encryption Standard (AES-256) encryption algorithm to encrypt all control traffic sent over the connections.
https://www.networkacademy.io/ccie-enterprise/sdwan/omp-overview
NEW QUESTION # 206
Which design element should an engineer consider when multicast is included in a Cisco SD- Access architecture?
- A. PIM SSM must run in the underlay.
- B. Multicast clients reside in the underlay, and the multicast source is outside the fabric or in the overlay.
- C. Rendezvous points must be used in a PIM SSM deployment.
- D. Multicast traffic is transported in the overlay and the EID space for wired and wireless clients.
Answer: D
Explanation:
Multicast traffic is transported in the overlay, in the EID space, for both wired and wireless clients.
https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2018/pdf/BRKEWN-2020.pdf
NEW QUESTION # 207
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