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NEW QUESTION 79
Refer to the exhibit. An architect must design an IP addressing scheme for a multisite network connected via a WAN transit. The campus site must accommodate 12,000 devices and the branch sites must accommodate 1,000 devices. Which address scheme optimizes network device resources, contains convergence events to the different blocks of the network, and ensures future growth of the network?
- A. * Campus: 10.0.0.0/20
Branch1: 10.0.64.0/21
Branch2: 10.0.128.0/21 - B. * Campus: 10.0.0.0/10
Branch1: 10.64.0.0/10
Branch2: 10.128.0.0/10 - C. * Campus: 10.0.0.0/16
Branchi: 10.255.0.0/20
Branch2: 10.255.16.0/20 - D. * Campus: 10.0.0.0/18
Branch1: 10.0.192.0/21
Branch2: 10.0.200.0/21
Answer: D
NEW QUESTION 80
Refer to the exhibit. A customer needs to apply QoS to the network management traffic passing through the GigabitEthernet0/2 interface. All eight queuing classes are in use, so the new requirement must be integrated into the existing policy. Which solution must the customer choose?
- A. Mark traffic to DSCP CS5 and assign it to the SIGNALLING class. Then, baseline existing queue sizes to determine if additional bandwidth can be provisioned to the SIGNALLING class.
- B. Mark the traffic to DSCP CS2 and assign it to the ROUTING class Then, baseline existing queue sizes to determine if additional bandwidth can be provisioned to the ROUTING class
- C. Mark the traffic to DSCP CS6 and assign it to the ROUTING class Then, prioritize traffic within the class.
- D. Mark the traffic to DSCP CS4 and assign it to the SIGNALLING class. Then, prioritize traffic within the class.
Answer: B
NEW QUESTION 81 
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. Apply route filtering such that the client advertises only routes originated from its own AS.
- B. Advertise a default route for downstream routers within the client network.
- C. Run an eBGP session within different VRFs for each ISP.
- D. Apply the AS-path prepend feature for ISP2.
Answer: B
NEW QUESTION 82
Drag and drop the properties from the left onto the Cisco SD-WAN components that perform them on the right.
Answer:
Explanation:
NEW QUESTION 83
Drag and drop the properties from the left onto the protocols they describe on the right.
Answer:
Explanation:
NEW QUESTION 84
An infrastructure team is concerned about the shared memory utilization of a device, and for this reason, they need to monitor the device state. Which solution limits impact on the device and provides the required data?
- A. periodic subscription
- B. on-change subscription
- C. IPFIX
- D. static telemetry
Answer: C
Explanation:
Section: Automation
Explanation
Explanation/Reference:
NEW QUESTION 85
Which function are fabric intermediate nodes responsible for in an SD-Access Architecture?
- A. registering new endpoints in the HTDB
- B. encapsulating user traffic in a VXLAN header including the SGT
- C. mapping EIDs to RLOCs
- D. transporting IP packets between edge nodes and border nodes
Answer: D
NEW QUESTION 86
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 an open YANG model to allow the reuse of code and standardize the implementation across platforms
- C. Use multiple native vendor YANG models to provide code consistency.
- D. Use a single native vendor YANG model to minimize development time
Answer: B
NEW QUESTION 87
When vEdge router redundancy is designed, which FHRP is supported?
- A. VRRP
- B. OMP
- C. HSRP
- D. GLBP
Answer: A
NEW QUESTION 88
A network solution is being designed for a company that connects to multiple Internet service providers. Which Cisco proprietary BGP path attribute will influence outbound traffic flow?
- A. Local Preference
- B. AS Path
- C. Weight
- D. Community
- E. MED
Answer: C
NEW QUESTION 89
An engineer uses Postman and YANG to configure a router with:
Which get-config replay verifies that the model set was designed correctly?
- A. Option C
- B. Option B
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 90 
Refer to the exhibit. Which two solutions maximize the use of the links between the core and distribution layers? (Choose two.)
- A. use multiple equal-cost links
- B. use multiple unequal-cost links
- C. use an IGP
- D. use HSRP
- E. use RPVSTP+
Answer: A,C
NEW QUESTION 91
Which design consideration must be made when dual WAN Edge routers are deployed at a branch site?
- A. Use BGP AS-path prepending to influence egress traffic and use MED to influence ingress traffic from the branch.
- B. HSRP priorities must match the OMP routing policy to prefer one WAN Edge over the other.
- C. Configure BFD between WAN Edge routers to detect sub-second link failures.
- D. Traffic must be symmetrical as it egresses the WAN Edges and returns from remote sites for DPI to function properly.
Answer: A
NEW QUESTION 92
How do endpoints inside an SD-Access network reach resources outside the fabric?
- A. A fabric edge is used to de-encapsulate VXLAN traffic to normal IP traffic then transported over the outside network
- B. Fabric borders use VRFs to map VNs to VRFs
- C. a VRF fusion router is used to map resources in one VN to another VN
- D. SD-Access transit links are used to transport encapsulated traffic from one fabric to another
Answer: A
Explanation:
Section: Advanced Enterprise Campus Networks
NEW QUESTION 93
An engineer must design a VPN solution for a company that has multiple branches connecting to a main office.
What are two advantages of using DMVPN instead of IPsec tunnels to accomplish this task? (Choose two.)
- A. support for AES 256-bit encryption
- B. lower traffic overhead
- C. dynamic spoke-to-spoke tunnels
- D. greater scalability
- E. support for anycast gateway
Answer: C,D
Explanation:
Section: WAN for Enterprise Networks
NEW QUESTION 94
A network solution is being designed for a company that connects to multiple Internet service providers. Which Cisco proprietary BGP path attribute will influence outbound traffic flow?
- A. Local Preference
- B. AS Path
- C. Weight
- D. Community
- E. MED
Answer: C
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION 95
Which solution allows overlay VNs to communicate with each other in an SD-WAN Architecture?
- A. Route leaking can be used on the fabric border nodes to inject routes from one VN to another.
- B. SGTs can be used to permit traffic from one VN to another.
- C. External fusion routers can be used to map VNs to VRFs and selectively route traffic between VRFs.
- D. GRE tunneling can be configured between fabric edges to connect one VN to another.
Answer: D
Explanation:
Section: WAN for Enterprise Networks
NEW QUESTION 96
A network engineer is redesigning a company's QoS solution. The company is currently using IP Precedence, but the engineer plans to move to DiffServ. It is important that the new solution provide backward compatibility with the current solution. Which technology should the design include?
- A. default per hop behavior
- B. assured forwarding
- C. expedited forwarding
- D. class selector code points
Answer: D
NEW QUESTION 97
Refer to the exhibit. An engineer must design an automatic failover solution. The solution should allow HSRP to detect a WAN 1 failure and initiate an automatic failover, making router R2 the active HSRP router. Which two solutions should the engineer choose? (Choose two.)
- A. Implement IP SLA on router R1
- B. Implement PBR on router R1
- C. use a floating static route
- D. use IP source routing
- E. Implement Enhanced Object Tracking on roster R1
Answer: A,E
NEW QUESTION 98
Drag and drop the description from the left onto the corresponding WAN connectivity types and categories on the right.
Answer:
Explanation:
NEW QUESTION 99
A company has the following network infrastructure. (Refer to the exhibit.)
Router A is a GLBP active virtual gateway with priority level set to 250. Routers B and C are configured with the default GLPB configurations. The configuration of the active virtual gateway needs to be changed such that if the AVG fails, Router C should be elected to be used as an active virtual gateway. As the network administrator, you have been asked to make corresponding changes to the configuration.
Which command would you use for this purpose on Router C, and where would the command be configured?
- A. glbp 10 priority 200 (on Router B)
- B. glbp 10 preempt (on Router B)
- C. glbp 10 preempt (on Router C)
- D. glbp 10 priority 200 (on Router C)
Answer: D
Explanation:
You would configure the glbp 10 priority 200 command on Router C to change the configuration as required.
Gateway Load Balancing Protocol (GLBP) gateway priority determines the role that each GLBP gateway plays and what happens if the AVG fails. In the given scenario, Router A is used as an active virtual gateway. If the AVG in a LAN topology fails, an election process takes place to determine which backup virtual gateway should take over. When you configure this command on Router C, Router C will be elected when Router A fails as an AVG.
Once the configuration change is made, it can be verified by examining the output if the show run command as shown below:
In the above output, it can be determined that the glpb priority 200 command has been applied to the gigabitEthernet0/0 interface on Router
C. If the default priority of 100 had been applied, there would be no line in the output for priority. Because Router B is configured with the default configuration, it will have its priority set to the default level as 100.
You would not use the glbp 10 preempt command on Router B or the glbp 10 preempt command on Router C to change the configuration. You would use this command on a router to enable preemption. Preemption allows a virtual router that was once the AVG to assume its role as active virtual router when it comes back online if it has a higher priority than the current AVG. Alternatively, it can enable a new router with a higher priority to take the role of AVG from the current AVG if the new router has a higher AVG.
You would use not the glbp 10 priority 200 command on Router B to change the configuration. You would run this command if you needed Router B to be elected as the AVR instead of Router C, as running this command on Router B would configure it with higher priority than Router C.
Objective:
Infrastructure Services
Sub-Objective:
Configure and verify first-hop redundancy protocols
References:
Cisco > Home > End-of-Sale and End-of-Life Products > Cisco IOS Software Releases > 12.2T > Product Literature > White Papers > GLBP - Gateway Load Balancing Protocol Cisco > Cisco IOS IP Application Services Command Reference > glbp priority
NEW QUESTION 100
An engineer is working with NETCONF and Cisco NX-OS based devices. The engineer needs a YANG model that supports a specific feature relevant only to Cisco NX-OS. Which model must the engineer choose?
- A. OpenConfig
- B. IETF
- C. IEEE
- D. Native
Answer: B
NEW QUESTION 101 
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?
- A. Create an OSPF virtual link between routers E and F.
- B. Create a tunnel between routers E and F in area 10.
- C. Make area 10 a not-so-stubby area.
- D. Move the link between routers C and D to area 10.
Answer: D
NEW QUESTION 102
Which two statements about VRRP object tracking are true? (Choose two)
- A. The priority of a VRRP device can change in accordance with the up or down status of a VRRP object
- B. VRRP supports only interce tracking
- C. The VRRP interface priority must be manually configured by the administrator
- D. VRRP can track the status of interfaces and routes
- E. A VRRP group can track only one object at a time
Answer: A,D
NEW QUESTION 103
Refer to the exhibit. PC-2 failed to establish a Telnet connection to the Terminal Server. Which solution allows PC-2 to establish the Telnet connection?
- A. Gateway-Router(config)#ipv6 access-list Default_Access
Gateway-Router(config-ipv6-acl)#no sequence 20
Gateway-Router(config-ipv6-acl)#sequence 5 permit tcp host 2018:DB1:A:B::2 host 2018:DB1:A:C::1 eq telnet - B. Gateway-Router(config)#ipv6 access-list Default_Access
Gateway-Router(config-ipv6-acl)#permit tcp host 2018:DB1:A:B::2 host 2018:DB1:A:C::1 eq telnet - C. Gateway-Router(config)#ipv6 access-list Default_Access
Gateway-Router(config-ipv6-acl)#sequence 25 permit tcp host 2018:DB1:A:B::2 host 2018:DB1:A:C::1 eq telnet - D. Gateway-Router(config)#ipv6 access-list Default_Access
Gateway-Router(config-ipv6-acl)#sequence 15 permit tcp host 2018:DB1:A:B::2 host 2018:DB1:A:C::1 eq telnet
Answer: B
NEW QUESTION 104
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Read the topics of the Cisco 300-420 Exam
Candidates must know the topics before they start of preparation. Because it will really help them in hitting the core. Our Cisco 300-420 exam dumps will include the following topics:
- Advanced Enterprise Campus Networks 25%
- Automation 10%
- WAN for Enterprise Networks 20%
- Advanced Addressing and Routing Solutions 25%
- Network Services 20%
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