Cisco 400-007 Practice Test - Questions Answers, Page 5
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Refer to the exhibit.
An engineer is designing the traffic flow for AS 111. Traffic from AS 111 should be preferred via AS 100 for all external routes. A method must be used that only affects AS 111. Which BGP attributes are best suited to control outbound traffic?
community
MED
local preference
As path
Which two impacts of adding the IP event dampening feature to a network design are true? (Choose two.)
It protects against routing loops.
It switches traffic immediately after a link failure.
lt speeds up link failure detection.
It reduces the utilization of system processing resources.
It improves overall network stability.
A small organization of 20 employees is looking to deliver a network design service for modernizing customer networks to support advanced solutions.
Project scope and weekly progress should be visualized by the management.
Always consider feedback and make changes accordingly during the project.
Should consider flexibility to change scope at the point of time.
Which project methodology meets the requirements and have the least impact on the outcome?
Scrum
LEAN
Kanban
Six-Sigma
Refer to the table.
A customer investigates connectivity options for a DCI between two production data centers to aid a large-scale migration project. The solution must provide a single 10G connection between locations and be able to run its own varying QoS profiles without service provider interaction based on the migration stages. All connectivity methods are at 10 Gbps. Which transport technology costs the least if the connectivity is required for just one year?
MPLS wires only
CWDM over dark fiber
DWDM over dark fiber
Metro Ethernet
Which technology is an open-source infrastructure automation tool that automates repetitive tasks for users who work in networks such as cloud provisioning and intraservice orchestration?
Ansible
Contrail
Java
Jinja2
SDWAN networks capitalize the usage of broadband Internet links over traditional MPLS links to offer more cost benefits to enterprise customers. However, due to the insecure nature of the public Internet, it is mandatory to use encryption of traffic between any two SDWAN edge devices installed behind NAT gateways. Which overlay method can provide optimal transport over unreliable underlay networks that are behind NAT gateways?
TLS
DTLS
IPsec
GRE
Company XYZ runs OSPF in their network. A design engineer decides to implement hot-potato routing architecture. How can this implementation be achieved?
Enable iBGP and apply prepend to ensure all prefixes will have the same length of the AS path attribute value.
Redistribute the external prefixes onto OSPF and ensure the total metric calculation includes only the ext value and the value is the same in all ASBRs.
Enable OSPF load-balancing over unequal cost path.
Redistribute the external prefixes onto OSPF and ensure that the total metric calculation includes external internal values.
What are two primary design constraints when a robust infrastructure solution is created? (Choose two.)
monitoring capabilities
project time frame
staff experience
component availability
total cost
SD-WAN can be used to provide secure connectivity to remote offices, branch offices, campus networks, data centers, and the cloud over any type of IP-based underlay transport network. Which two statements describe SD WAN solutions? (Choose two.)
SD-WAN networks are inherently protected against slow performance.
Control and data forwarding planes are kept separate.
Improved operational efficiencies result In cost savings.
Solutions include centralized orchestration, control, and zero-touch provisioning.
Solutions allow for variations of commodity and specialized switching hardware.
An architect designs a multi-controller network architecture with these requirements:
Achieve fast failover to control traffic when controllers fail.
Yield a short distance and high resiliency in the connection between the switches and the controller.
Reduce connectivity loss and enable smart recovery to improve the SDN survivability.
Improve connectivity by adding path diversity and capacity awareness for controllers.
Which control plane component of the multi-controller must be built to meet the requirements?
control node reliability
controller stale consistency
control path reliability
controller clustering
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