CISCO 300-420 ENSLD EXAM Questions
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Which solution allows overlay VNs to communicate with each other in an SD-WAN Architecture?
A. External fusion routers can be used to map VNs to VRFs and selectively route traffic between VRFs.
B. GRE tunneling can be configured between fabric edges to connect one VN to another.
C. SGTs can be used to permit traffic from one VN to another.
D. Route leaking can be used on the fabric border nodes to inject routes from one VN to another.
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. greater scalability
C. support for anycast gateway
D. lower traffic overhead
E. dynamic spoke-to-spoke tunnels
Which two routing protocols allow for unequal cost load balancing? (Choose two.)
An enterprise customer has these requirements: end-to-end QoS for the business-critical applications and VoIP services based on CoS marking. flexibility to offer services such as IPv6 and multicast without any reliance on the service provider. support for full-mesh connectivity at Layer 2. Which WAN connectivity option meets these requirements?
B. MPLS VPN
What is a benefit of using VRRPv3 as compared to VRRPv2?
A. VRRPv3 supports IPv4 and IPv6
B. VRRPv3 supports authentication
C. VRRPv3 supports preemption
D. VRRPv3 supports stateful switchover
A customer is discussing QoS requirements with a network consultant. The customer has specified that end- to-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
Which nonproprietary mechanism can be used to automate rendezvous point distribution in a large PIM domain?
A. Embedded RP
D. Static RP
Which QoS feature responds to network congestion by dropping lower priority packets?
B. tail drop
D. strict priority
Which two BGP features will result in successful route exchanges between eBGP neighbors sharing the same AS number? (Choose two.)
B. bestpath as-path ignore
C. client-to-client reflection
A company is running BGP on a single router, which has two connections to the same ISP. Which BGP feature ensures traffic is load balanced across the two links to the ISP?
B. Multipath Load Sharing
C. Next-Hop Address Tracking
D. AS-Path Prepending