2020/April New Braindump2go 300-420 Exam Dumps with PDF and VCE are Free Released Today! Following are some new 300-420 Exam Questions!
Which two statements about VRRP advertisements are true? (Choose two.)
A. They are sent from the master router and standby routers.
B. They include VRRP timer information.
C. They are sent only from the master router.
D. They include priority information.
E. They are sent every three seconds by default.
Which common issue causes intermittent DMVPN tunnel flaps?
A. a routing neighbor reachability issue
B. a suboptimal routing table
C. interface bandwidth congestion
D. that the GRE tunnel to hub router is not encrypted
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 interce tracking
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 NETCONF operation creates filtering that is specific to the session notifications?
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 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
Which nonproprietary mechanism can be used to automate rendezvous point distribution in a large PIM domain?
A. Embedded RP
D. Static RP
Which two best practices must be followed when designing an out-of-band management network? (Choose two.)
A. Enforce access control
B. Facilitate network integration
C. Back up data using the management network
D. Ensure that the management network is a backup to the data network
E. Ensure network isolation
When a first hop redundancy solution is designed, which protocol ensures that load balancing occurs over multiple routers using a single virtual IP address and multiple virtual MAC addresses?
Which two routing protocols allow for unequal cost load balancing? (Choose two.)
Which two steps can be taken to improve convergence in an OSPF network? (Choose two.)
A. Use Bidirectional Forwarding Detection
B. Merge all the areas into one backbone area
C. Tune OSPF parameters
D. Make all non-backbone areas stub areas
E. Span the same IP network across multiple areas.
A network administrator is troubleshooting a DMVPN setup between the hub and the spoke. Which action should the administrator take before troubleshooting the IPsec configuration?
A. Verify the GRE tunnels.
B. Verify ISAKMP.
C. Verify NHRP.
D. Verify crypto maps.
Which two options can you use to configure an EIGRP stub router? (Choose two)
At which layer does Cisco Express Forwarding use adjacency tables to populate addressing
B. Layer 2
C. Layer 1
D. Layer 3
Which design consideration should be observed when EIGRP is configured on Data Center switches?
A. Perform manual summarization on all Layer 3 interfaces to minimize the size of the routing table.
B. Prevent unnecessary EIGRP neighborships from forming across switch virtual interfaces.
C. Lower EIGRP hello and hold timers to their minimum settings to ensure rapid route reconvergence.
D. Configure multiple EIGRP autonomous systems to segment Data Center services and applications.
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