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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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