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Cisco 300-420 Practice Test - Questions Answers, Page 2
List of questions
Question 11
Which design consideration should be observed when EIGRP is configured on Data Center switches?
Perform manual summarization on all Layer 3 interfaces to minimize the size of the routing table.
Prevent unnecessary EIGRP neighborships from forming across switch virtual interfaces.
Lower EIGRP hello and hold timers to their minimum settings to ensure rapid route reconvergence.
Configure multiple EIGRP autonomous systems to segment Data Center services and applications.
Question 12
Which design consideration must be made when using IPv6 overlay tunnels?
Overlay tunnels that connect isolated IPv6 networks can be considered a final IPv6 network architecture.
Overlay tunnels should only be considered as a transition technique toward a permanent solution.
Overlay tunnels can be configured only between border devices and require only the IPv6 protocol stack.
Overlay tunneling encapsulates IPv4 packets in IPv6 packets for delivery across an IPv6 infrastructure.
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/interface/configuration/xe-3s/ir-xe-3sbook/ip6-ip4-gre-tunls-xe.pdf"
The use of overlay tunnels should be considered as a transition technique toward a network that supports both the IPv4 and IPv6 protocol stacks or just the IPv6 protocol stack."
Question 13
When a network is designed using IS-IS protocol, which two circuit types are supported? (Choose two.)
nonbroadcast multiaccess
multiaccess
point-to-multipoint
nonbroadcast
point-to-point
Question 14
What is an advantage of designing an out-of-band network management solution?
In the event of a production network outage, network devices can still be managed.
There is no separation between the production network and the management network.
In the event of a production network outage, it can be used as a backup network path.
It is less expensive than an in-band management solution
Question 15
Which consideration must be taken into account when using the DHCP relay feature in a Cisco SDAccess Architecture?
DHCP-relay must be enabled on fabric edge nodes to provide the correct mapping of DHCP scope to the local anycast gateway.
A DHCP server must be enabled on the border nodes to allow subnets to span multiple fabric edges.
DHCP servers must support Cisco SD-Access extensions to correctly assign IPs to endpoints in an SD-Access fabric with anycast gateway.
DHCP Option-82 must be enabled to map the circuit IP option to the access fabric node where the DHCP discover originated.
https://www.cisco.com/c/en/us/td/docs/cloud-systems-management/network-automation-andmanagement/dna-center/tech_notes/sda_dhcp/b_cisco_sda_dhcp.html
Question 16
Which feature must be incorporated into the campus LAN design to enable Wake on LAN?
dynamic ARP Inspection Snooping on layer 2 devices
directed broadcasts on layer 3 devices
proxy ARP on layer 3 devices
DHCP Snooping on layer 2 devices
Question 17
Which function are fabric intermediate nodes responsible for in an SD-Access Architecture?
mapping EIDs to RLOCs
encapsulating user traffic in a VXLAN header including the SGT
registering new endpoints in the HTDB
transporting IP packets between edge nodes and border nodes
Question 18
An engineer is designing a QoS policy that queues excess packets for later transmission. Which mechanism must be included in the design?
shaping
WRED
policing
RED
Question 19
An organization is designing a detailed QoS plan that limits bandwidth to specific rates. Which two parameters are supported be the traffic policing feature? (Choose two.)
violating
marking
shaping
bursting
conforming
Question 20
An engineer is looking for a standards-driven YANG model to manage a multivendor network environment. Which model must the engineer choose?
Native
OpenConfig
IETF
IEEE NETCONF
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