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QUESTION 1:

An engineer is tasked with designing a dual BGP peering solution with a service provider. The design must meet these conditions:

1. The routers will not learn any prefix with a subnet mask greater than /24.

2. The routers will determine the routes to include in the routing table based on the length of the mask alone.

3. The routers will make this selection regardless of the service provider configuration.

Which solution should the engineer include in the design?

A. Use a route map and access list to block the desired networks, and apply the route map to BGP neighbors inbound.

B. Use a route map and prefix list to block the desired networks, and apply the route map to BGP neighbors outbound.

C. Use an IP prefix list to block the desired networks and apply the IP prefix list to BGP neighbors outbound.

D. Use an IP prefix list to block the desired networks and apply the IP prefix list to BGP neighbors inbound.

QUESTION 2:

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 creating branch office as a temporary measure. The new branch office is assigned 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. A sham link must be configured between the new branch office and HQ
D. The new branch office must be configured as a stub area

QUESTION 3:

How is end-to-end microsegmentation enforced in a Cisco SD-Access architecture?

A. VLANs are used to segment traffic at Layer 2.
B. 5-tuples and ACLs are used to permit or deny traffic.
C. SGTs and SGTACLs are used to control access to various resources.
D. VRFs are used to segment traffic at Layer 3.

QUESTION 4:

Which two routing protocols allow for unequal cost load balancing? (Choose two.)

A. EIGRP
B. IS-IS
C. BGP
D. OSPF
E. RIPng

QUESTION 5:

DRAG DROP
Drag and drop the characteristics from the left onto the telemetry mode they apply to on the right.
Select and Place:

Correct Answer:

QUESTION 6:

How is redundancy achieved among Cisco vBond Orchestrators in a Cisco SD-WAN deployment?

A. The IP addresses of all Orchestrators are mapped to a single DNS name.
B. The closest Orchestrator to each Cisco WAN Edge router is selected.
C. Cisco WAN Edge routers are configured with all Orchestrators using their IP addresses and priority.
D. A single Cisco Orchestrator is deployed in each network.

QUESTION 7:

Refer to the exhibit. AS65533 and AS65530 are announcing a partial Internet routing table as well as their IP subnets.

An architect must create a design that ensures AS64512 does not become a transit AS. Which filtering solution must the architect choose?

A. no-advertise
B. next-hop
C. no-export
D. maximum-prefix

QUESTION 8:

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 Enhanced Object Tracking on roster R1
B. use a floating static route
C. Implement IP SLA on router R1
D. Implement PBR on router R1
E. use IP source routing

QUESTION 9:

Which two functions does the control plane node provide in a Cisco SD-Access architecture? (Choose two.)

A. LISP proxy ETR
B. host tracking database
C. policy mapping
D. map server
E. endpoint registration

QUESTION 10:

How is sub-second failure of a transport link detected in a Cisco SD-WAN network?

A. Hellos are sent between the WAN Edge routers and the vSmart controller.
B. BFD runs on the IPsec tunnels between WAN Edge routers.
C. BGP is used between WAN Edge routers and the vSmart controller.
D. Link state change messages are sent between vSmart controllers.

QUESTION 11:

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. split-horizon
B. summarization
C. down bit
D. route tags

QUESTION 12:

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: 10.0.0.0/18 Branch1: 10.0.192.0/21 Branch2: 10.0.200.0/21
B. Campus: 10.0.0.0/16 Branchi: 10.255.0.0/20 Branch2: 10.255.16.0/20
C. Campus: 10.0.0.0/10 Branch1: 10.64.0.0/10 Branch2: 10.128.0.0/10
D. Campus: 10.0.0.0/20 Branch1: 10.0.64.0/21 Branch2: 10.0.128.0/21

QUESTION 13:

A customer with an IPv4 only network topology wants to enable IPv6 connectivity while preserving the IPv4 topology services. The customer plans to migrate IPv4 services to the IPv6 topology, then decommission the IPv4 topology.

Which topology supports these requirements?

A. dual stack
B. 6VPE
C. 6to4
D. NAT64

Published answer:

Numbers:Q1Q2Q3Q4Q5Q6Q7Q8Q9Q10Q11Q12Q13
Answers:DBCACIMAGEADACBDBDAA

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2022 300-420 [Q1]:

An engineer must design a solution to connect a customer to the Internet. The solution will include a Layer 3 circuit with a CIR of 50 Mbps from the service provider. The hand-off from the provider\’s switch to the customer\’s router is 1Gbps. Which solution should the engineer include to prevent potential issues with choppy voice traffic?

A. Reduce the bandwidth of the connection to the router.
B. Implement hierarchical QoS with a parent policing policy.
C. Implement hierarchical QoS with a parent shaping policy.
D. Add a bandwidth statement to the router interface.

Correct Answer: C

2022 300-420 [Q2]:

An engineer is designing a Layer 3 campus network running EIGRP between the core, aggregation, and access layers.
The access layer switches will be connected to the aggregation layer using Layer 3 copper connections. The engineer wants to improve the convergence time for access layer switch failures. Which technique must the design include?

A. enabling BFD for EIGRP on the access layer uplinks
B. reducing the EIGRP Hello / Hold timer values
C. EIGRP summarization from core to aggregation layer
D. EIGRP summarization from access to aggregation layer

Correct Answer: A

2022 300-420 [Q3]:

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. The VRRP interface priority must be manually configured by the administrator
C. A VRRP group can track only one object at a time
D. VRRP can track the status of interfaces and routes
E. VRRP supports only interface tracking

Correct Answer: AD

2022 300-420 [Q4]:

Which two border nodes are available in the Cisco SD-Access architecture? (Choose two.)

A. extended border
B. edge border
C. internal border
D. anywhere border
E. intermediate border

Correct Answer: CD

2022 300-420 [Q5]:

Which topology within a network underlay eliminates the need for first-hop redundancy protocols while improving fault tolerance, increasing resiliency, and simplifying the network?

A. virtualized topology
B. routed access topology
C. Layer 2 topology
D. logical fabric topology

Correct Answer: D

2022 300-420 [Q6]:

DRAG-DROP
Drag and drop the elements from the left onto the functions they perform in the Cisco SD-WAN architecture on the right.
Select and Place:

Correct Answer:

2022 300-420 [Q7]:

An engineer must connect a new remote site to an existing OSPF network. The new site consists of two low-end routers, one for WAN, and one for LAN. There is no demand for traffic to pass through this area. Which area type does the engineer choose to provide minimal router resource utilization, while still allowing for full connectivity to the rest of the network?

A. not so stubby
B. totally not so stubby
C. totally stubby area
D. stubby area

Correct Answer: D

2022 300-420 [Q8]:

An organization is designing a detailed QoS plan that limits bandwidth to specific rates. Which two parameters are supported by the traffic policing feature? (Choose two.)

A. violating
B. marking
C. shaping
D. bursting
E. conforming

Correct Answer: BC

2022 300-420 [Q9]:

A customer is discussing QoS requirements with a network consultant. The customer has specified that endto-end path verification is a requirement. Which QoS solution meets this requirement?

A. IntServ model with RSVP to support the traffic flows
B. DiffServ model with PHB to support the traffic flows
C. marking traffic at the access layer with DSCP to support the traffic flows
D. marking traffic at the access layer with CoS to support the traffic flows

Correct Answer: A

2022 300-420 [Q10]:

Refer to the exhibit.

An architect must design a solution that uses the direct link between R1 and R2 for traffic from 10.10.10.0/24 toward network 10.10.20.0/24. Which solution should the architect include in the design?

A. Configure the OSPF cost of the link to a value lower than 30.
B. Lower the Administrative Distance for OSPF area 0.
C. Place the link into area 2 and install a new link between R1 and R2 in area 0.
D. Configure the link to provide multiarea adjacency.

Correct Answer: A

2022 300-420 [Q11]:

Which two routing protocols allow for unequal cost load balancing? (Choose two.)

A. EIGRP
B. IS-IS
C. BGP
D. OSPF
E. RIPng

Correct Answer: AC

2022 300-420 [Q12]:

Which type of rendezvous point deployment is standards-based and supports dynamic RP discovery?

A. Auto-RP
B. Anycast-RP
C. bootstrap router
D. static RP

Correct Answer: C

2022 300-420 [Q13]:

Refer to the exhibit. An architect must design a solution to connect the two ASs. To optimize bandwidth, the design will implement load sharing between router R6 and router R1. Which solution should the design include?

A. Use update-source to specify the Loopback interface.
B. Use next-hop-self attributes only for routes that are learned from eBGP peers.
C. Configure the eBGP TTL to support eBGP multihop.
D. Use maximum paths to install multiple paths in the routing table.

Correct Answer: D

……


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