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Cisco 300-420 Practice Test - Questions Answers, Page 7
List of questions
Question 61
Which two options can you use to configure an EIGRP stub router? (Choose two)
summary-only
receive-only
external
summary
totally-stubby
not-so-stubby
Question 62
At which layer does Cisco Express Forwarding use adjacency tables to populate addressing information?
Layer4
Layer 2
Layer 1
Layer 3
Question 63
A customer has several remote sites connected with their headquarters through microwave links. An engineer must propose a backup WAN solution based on these conditions:
Which backup WAN link type the engineer recommend?
LTE
802.16 WiMAX
Laser link
802.15.1 Bluetooth
Question 64
How is internet access provided to a WAN edge router that is connected to a MPLS transport link?
OMP advertises a default route from a WAN Edge router that is connected to the MPLS and internet transport networks
Internet access must be provided at the WAN Edge router through either a 4G/5G link or local Internet circuit
An extranet must be provided in the MPLS transport network to allow private traffic to reach the public internet
TLOC extensions are used to route traffic to a WAN Edge router that is connected to the Internet transport network
Question 65
A network engineer must segregate three interconnected campus networks using IS-IS routing. A two-layer hierarchy must be used to support large routing domains and to avoid more specific routes from each campus network being advertised to other campus network routers automatically. Which two actions does the engineer take to accomplish this segregation? (Choose two.)
Designate two IS-IS routers as BDR routers at the edge of each campus, and configure one BDR for all Level 1 routers and one BDR for all Level 2 routers.
Designate two IS-IS routers from each campus to act as Level 1/Level 2 backbone routers at the edge of each campus network.
Assign the same IS-IS NET value for each campus, and configure internal campus routers with Level 1/ Level 2 routing.
Utilize different MTU values for each campus network segment. Level 2 backbone routers must utilize a larger MTU size of 9216.
Assign a unique IS-IS NET value for each campus, and configure internal campus routers with Level 1 routing.
Question 66
Refer to the exhibit.
Refer to the exhibit. All routers currently reside in OSPF area 0. The network manager recently used R1 and R2 as aggregation routers for remote branch locations and R3 and R4 for aggregation routers for remote office locations. The network has since been suffering from outages, which are causing frequent SPF runs. To enhance stability and introduce areas to the OSPF network with the minimal number of ABRs possible, which two solutions should the network manager recommend? (Choose two.)
a new OSPF area for R1 and R2 connections, with R1 and R2 as ABRs
a new OSPF area for R3 and R4 connections, with R5 and R6 as ABRs
a new OSPF area for R3 and R4 connections, with R3 and R4 as ABRs
a new OSPF area for R1, R2, R3, and R4 connections, with R1, R2, R3, and R4 as ABRs
a new OSPF area for R1 and R2 connections, with R5 and R6 as ABRs
Question 67
Which component of Cisco SD-Access integrates with Cisco DNA Center to perform policy segmentation and enforcement through the use of security group access control lists and security group tags?
Cisco Application Policy Infrastructure Controller Enterprise Module
Cisco Network Data Platform
Cisco Identity Services Engine
Cisco TrustSec
Question 68
What is the role of a control-plane node in a Cisco SD-Access architecture?
fabric device that connects wired endpoints to the SD-Access fabric
map system that manages endpoint to device relationships
fabric device that connects APs and wireless endpoints to the SD-Access fabric
map system that manages External Layer 3 networks
Reference: https://netaavi.com/my-blog-1/f/overview-of-sda-fabric-solution
Question 69
How is end-to-end microsegmentation enforced in a Cisco SD-Access architecture?
VLANs are used to segment traffic at Layer 2.
5-tuples and ACLs are used to permit or deny traffic.
SGTs and SGTACLs are used to control access to various resources.
VRFs are used to segment traffic at Layer 3.
Question 70
Which two border nodes are available in the Cisco SD-Access architecture? (Choose two.)
extended border
edge border
internal border
anywhere border
intermediate border
There are 3 types of border nodes in SD-Access:
External. Default exit from fabric with no specific routes injection
Internal. Gateway only for a set of networks, such as shared services prefixes Anywhere. Combination of external and internal functionality
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