Refer to the exhibit. Refer to the exhibit. An engineer proposed this solution for a company that requires a loop-free. Layer 2 network design. The network will run 802.1W, and all links will be 1 Gbps. If all interfaces are up as point- to-point adjacencies, what are the expected port end states based on the design?

Eth1/2 on SW3 and SW4 will be m an Attn BLKbtate.

Eth1/2 on SW2 and SW3 will be in a Desg FWD state

Eth1/3 on SW2 and SW3 will be m an Attn BLK state

Eth1/2 on SW3 and SW4 will be m an Attn BLKbtate.

Eth1/1 on SW1 and SW2 will be in a Root FWD state.

What is the purpose of the fabric control plane in a Cisco SD-Access architecture?

create and resolve endpoint-to-location mapping

create, propagate, and enforce G6AC policies in the fabric

create a transit node with BGP route reflector functionality

extend multiple subnets to one RLOC

create and resolve endpoint-to-location mapping

A customer is undergoing a WAN re-architecture and wants to design QoS policies for remote sites that have low bandwidth. What must be considered to have CBWFQ configured in the parent and child policies in an end-to-end QoS design?

Traffic shaping is required in the parent policy.

CBWFQ is only supported in the child policy.

CBWFQ is only supported in the parent policy.

Traffic shaping is required in the parent policy.

Traffic policing is required in the child policy.

A company wants to switch from static routing to a dynamic routing protocol to ease the administrative and operational overhead. The network topology is hub and spoke, and the branches use DMVPN back to the hub using two 100 Mbps internet connections. Both links must be used due to spikes in traffic, and routing must take traffic utilization of the links into account. Also, the branch routers have limited memory and CPU resources. Which routing protocol and design solution must the company choose?

EIGRP with branch routers as stub routers using ECMP

iBGP with the hub routers set up as route reflectors and branches set up as clients

OSPF deployed in area 0 with branch routers connecting from area 1

ISIS with the hub and spoke routers configured in two different areas

EIGRP with branch routers as stub routers using ECMP

Refer to the exhibit. Refer to the exhibit. An architect must design a resilient gateway solution based on these requirements:VLAN 10 and VLAN 11 support voice and video applications.Link and node failures must have minimal impact on traffic.Provide protection against false hello packets.Support IPv6.Which solution must the architect choose?

HSRP version 2 with MD5 authentication

VRRP version 2 with authentication

HSRP version 2 with MD5 authentication

VRRP version 2 with object tracking

Refer to the exhibit. Refer to the exhibit. An architect is designing an ISIS solution with these requirements:The backbone area will grow to 50 routers in the next 12 months.Routers A1 and A2 must avoid suboptimal routing.Summarization and route-leaking should be allowed in areas 49.002 and 49.003.Which solution must the architect select?

area 49.000 L2. area 49.001 L1, area 49.002 L1, and area 49.003 L1

area 49.000 L1, area 49.001 L2, area 49.002 L2, and area 49.003 L2

area 49.000 L1, area 49.001 L1, area 49.002 L2, and area 49.003 L2

area 49.000 L2. area 49.001 L1, area 49.002 L1, and area 49.003 L1

area 49.000 L2. area 49.001 L2, area 49.002 L1, and area 49.003 L1

What is the purpose of service routes in OMP updates?

indicate services that are enabled for service insertion

specify routes toward a centralized orchestration plane

describe underlay transport Information

define the remote management Information

indicate services that are enabled for service insertion

Refer to the exhibit. Refer to the exhibit. An engineer is designing an OSPF solution for a customer. The design must take into consideration:Application load balancers D. E. and F are in different geographical locations and are OSPF-enabled.Hosts A, B. and C connect to an application through the load balancers using IP address 10.1.1.1/32.In the event of a failure of one of the load balancers, hosts must still have access to the application.Which solution must the engineer choose?

All load balancers to be co-located in area 0.

X, Y, and Z to be configured as different areas

At least one load balancer to be in area 0.

X, Y and Z to be configured as the same area

What is the purpose of a border node in a Cisco SD-Access fabric?

perform traffic encapsulation and de-encapsulation

Refer to the exhibit. Refer to the exhibit. A company has some offices that are connected via dark fiber in New York. A network architect must optimize the network design based on the EIGRP routing protocol. The network has hierarchical addressing between 10 and 12 routers in each office. Routing convergence time must be at the minimum. What must the network architect do to reduce the query range?

Implement network summarization on edge routers.

Configure stub areas on non-edge routers.

Implement network summarization on edge routers.

Use different EIGRP processes on edge routers.

Configure route filtering on non-edge routers.

What is an advantage of using model-driven telemetry in the network?

It uses JSON encoding and is compatible with a wide variety of tools on the market.

It uses interrupt-driven polling to pull data at regular intervals.

It uses JSON encoding and is compatible with a wide variety of tools on the market.

It uses MIB models to structure the data that are well known In the industry.

Telemetry obtains data by parsing the CLI output from show commands.

When is it advisable to provide dedicated control plane nodes within a Cisco SD-Access design?

when there is a requirement for frequent roaming of endpoints across fabric edge nodes

in a small deployment where border nodes are not required

in a design where fabric edge nodes are unable to provide control plane functionality

in designs without Cisco DNA Center

when there is a requirement for frequent roaming of endpoints across fabric edge nodes

What is the purpose of the fabric management plane in a Cisco SD-Access architecture?

create LISP-based EID for the end-to-end solution that is offered by SD-Access

enable EID-to-RLOC mapping that is based on the BGP protocol

create an underlay network that is based on the IS-IS routing protocol

enable automation techniques for device deployments and configurations

Which two considerations must be made regarding the overlay network for a Cisco SD-Access architecture? (Choose two.)

SGTs should be used for data plane isolation and microsegmentation

Overlapping IP addresses across different overlay networks should be avoided for operational simplicity

Virtual networks should be used for microsegmentation

SGTs should be used for data plane isolation and microsegmentation

Virtual networks should be used for data plane isolation only

Overlapping IP addresses across different overlay networks should be used to conserve IP addresses

Overlapping IP addresses across different overlay networks should be avoided for operational simplicity

Which integration capability does gRPC provide?

leveraging protocol buffers to provide efficient serialization and deserialization of structured data over the network

leveraging the LDAP protocol for authentication and directory services ensuring secure access control in RPC communications

leveraging the XMPP protocol for real-time messaging and collaboration between client and server applications

leveraging protocol buffers to provide efficient serialization and deserialization of structured data over the network

leveraging GRAPH-API for network monitoring and management providing comprehensive visibility into RPC-related metrics and performance statistics

What is a challenge of the SaaS model?

lack of application and infrastructure control

requires upgrades to individual computers to meet performance requirements

higher application and data integration complexity

Currently, inter-VRF routing between the global routing table and VRF-A is accomplished on the client firewall, but the customer wants to do this on the core network layer. The customer does not want to run BGP, VRF-Lite: or static routing Which mechanism meets the requirements?

VRF receive feature under the global routing interfaces

policy-based routing with the global set statement in a route map

route map that matches access lists and prefix lists with the import feature

inter-VRF can only be used on an external device with a link in each VRF

VRF receive feature under the global routing interfaces

Refer to the exhibit. Refer to the exhibit An engineer with an employee ID: 1234 56:789 must design a WoL deployment for a client, and the design must ensure that the Windows PCs are responsive to the WoL magic packets with no delays when the server-side initiates the instruction Which action must the engineer choose?

WoL must be enabled on the networking card and disabled in the Windows PCs BIOS.

Spanning-tree PortFast must be enabled on all interfaces where clients reside.

WoL must be enabled on the networking card and disabled in the Windows PCs BIOS.

IP-directed broadcast must be disabled on all interfaces where clients reside.

IP forward protocol must be disabled on all interfaces where clients reside

Cisco 300-420 Practice Test 8 - Free Online Exam Prep & Questions

A customer requires QoS to support multimedia conferencing over MPLS. The network architect chooses to use per-hop behavior. Which solution must the architect use to classify and mark traffic traveling between branch sites?

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Cisco 300-420 Practice Test 8

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