400-007 Practice Questions

Refer to the exhibit A customer network design team is planning a migration from a legacy TDM- based L2VPN to an MPLS-based L3VPN Migration is planned in a phased approach: - OSPF...

Network designers often segment networks by creating modules for various reasons. Sometimes however a network can be unintentionally segmented. For instance, if the only way to con...

You want to add 900 VLANs to the existing 90 VLANs on a data center. Which two spanning-tree concerns must you consider? (Choose two )

It is often seen that companies pick a cloud vendor solely based on technical preferences without putting enough weight on the business strategies that are driving the cloud initia...

Which three characteristics of the Single Tier and the Dual Tier Headend Architectures for DMVPN designs are true? (Choose three.)

Company XYZ is connecting its sites over a private WAN. The company is planning on implementing multicast routing on the network. The company has a mixture of routers from differen...

Which type of interface are OpenFlow and OpFlex?

For a company that offers online billing systems for their customers, which strategy ensures the RPO is kept as low as possible?

An organization is working on a design solution for a new Internet-based remote access virtual private network that has 1000 remote sites. A network administrator recommends GETVPN...

Your company utilizes many different types of network transports and you want to increase the efficiency of the network. Which solution can be used to improve network efficiency ov...

Which two actions minimize the impact of the trusted NMS polling your network, such as high CPU utilization on network devices and network instability? (Choose two.)

Which interface between the controller and the networking device enables the two to communicate and allows the controller to program the data plane forwarding tables of the network...

A private cloud is accessed over the private IT network infrastructure that is potentially vulnerable to violations, data leaks, and man-in-the-middle attacks. The security team is...

Organic growth or decline comes from a company's normal business activities, rather than through acquisitions or divestment. Changes in usage patterns can also cause organic change...

Company XYZ has two offices connected to each other over unequal redundant paths and they are running OSPF as the routing protocol. An external network architect recommends BFD for...

End users are moving swiftly toward a hybrid cloud model to support faster IT service delivery. To implement a hybrid cloud architecture, what are two critical requirements for bro...

In the wake of a security compromise incident where the internal networks were breached by an outside attacker at the perimeter of the infrastructure, an enterprise is now evaluati...

A customer migrates from a traditional Layer 2 data center network into a new SDN-based spine- and-leaf VXLAN data center within the same location Its applications cannot be readdr...

The Agile release train workflow focuses on tasks which can be accomplished reliably and efficiently. Scrum and Kanban are two of the most popular Agile frameworks, but both have a...

A thorough examination of the curant network infrastructure has revealed that several devices have an unusual high CPU load. A traffic analysis indicates that control plane protoco...

Which statement about OSPF hub-and-spoke topology is true?

You are leading design discussions about IPv6 implementation into an existing Enterprise network. A question is raised regarding older Layer 2 switches that exist in the network, a...

Which two areas of business presents a technical solution to support the company during emergency situations by understanding the data flows and using business processes to expiam...

A company is reviewing their technology roadmap ahead of their cloud journey. The as-is assessment found that a large inventory (5000+) of servers sees less than 50% capacity utili...

An Agile for Infrastructure transition often means dismantling traditional IT hierarchies and rebuilding it to align with business objectives and workflows. Organizations are seein...

When planning their cloud migration journey, what is crucial for virtually all organizations to perform?

Traditionally, infrastructure is not managed using code, but instead it is managed and provisioned manually, which can cause potential issues. On the other side, infrastructure as...

Refer to the exhibit. An engineer is designing the network for a multihomed customer running in AS 111. AS 111 does not have any other ASs connected to it. Which technology is more...

Refer to the exhibit. A customer needs to implement a connectivity model by using one active link for inbound and outbound traffic and a second link for backup. The backup link is...

Your company utilizes many different types of network transports, and you want to increase the efficiency of the network. Which solution can be used to improve network efficiency o...

Refer to the exhibit. A company named XYZ needs to apply security policies for end-user browsing by installing a secure web proxy appliance. All the web traffic must be inspected b...

The goal for any network designer is to strive to build a resilient network that adapts to changing conditions rapidly with minimal impact on the services running over the network....

Over the years, many solutions have been developed to limit control plane state, which reduces the scope or the speed of control plane information propagation. Which solution remov...

During a pre-sales meeting with a potential customer, the customer CTO asks a question about advantages of controller-based networks versus a traditional network. What are two adva...

When a company network architect is working on a new network design, they are expected to ensure that business requirements and technical aspects are factored in, but often there a...

What are three examples of solution components of the network infrastructure that help enforce security policy compliance on all devices as they seek to access the network and comp...

Most security monitoring systems use a signature-based approach to detect threats. In which two instances are systems based on Network Behavior Anomaly Detection better than signat...

A company created an IPv6 adoption plan for its campus network that requires dual-stack connectivity on the network. Campus users must have IPv6 connectivity to an HR management ap...

One of the key components in an SDN-controlled network is the ability to have a piece of software that can manipulate the devices in the network and also provide the intelligent an...

Which are two major design parameters when designing the architecture of workload service placement in a hybrid cloud model? (Choose two)

When organizations initially start consuming public cloud services, they often use VPNs over the internet to connect their on-premises applications to the public cloud infrastuctur...

Direct cloud connectivity provides secure, high-performance, and end-to-end connectivity needed to run critical

While positive feedback loops generally don't last long enough to bring down a network completly, then long enough to disrupt traffic flows or to cause the networkto converge more...

Management is often overlooked during the design of a network because it is considered an operational issue rather than a design issue. A hierachical disrupted arrangment can be us...

What are two advantages of the Agile project management methodology? (Choose two)

Risk is a major determining factor in whether a company chooses to go with a public cloud, a private or a hybrid of both. What are two factors that impact the deceison on which clo...

Two companies need to implement an extranet overlay network solution by using a VPN tunnel over the internet to use each other's HTTP REST APIs. The solution must only provide data...

The API of an SDN controller named CTL-A uses the HTTP POST method and the same URL for all resources. The JSON body of each messages used to get information for specific resources...

Virtualisation pose a special challanges for NAC because virtual servers can move aroung a data center, and the VLAN can change as servers move. What is an option that can be used...

An enterprise has no direct control over a public cloud architecture. What is the limitation of the cloud integration approach of creating a unified elastic resource pool of data c...