400-007 Practice Questions

What is a web-based model in which a third-party provider hosts applications that are available to customers over the Internet?

A customer migrates from a traditional Layer 2 data center network into a new SDN-based spine- and-leaf VXLAN EVPN data center within the same location. The networks are joined to...

SDN emerged as a technology trend that attracted many industries to move from traditional networks to SDN. Which challenge is solved by SDN for cloud service providers?

Company XYZ connects its sites over a private WAN. Their overlay network is running a DMVPN setup where the headquarters site is the hub. The company is planning on implementing mu...

An enterprise wants to provide low-cost delivery of network systems that can be scaled on business demand, followed by an initiative to reduce capital expenses for new IT equipment...

Which two actions must be taken when assessing an existing wireless network implementation for its readiness to support voice traffic? (Choose two.)

Company XYZ has two routing domains in their network EIGRP and OSPF. The company wants to provide full reachability between the two domains by implementing redistribution on a rout...

The administrator of a small branch office wants to implement the Layer 2 network without running STP. The office has some redundant paths. Which mechanism can the administrator us...

Company XYZ has a multicast domain that spans across multiple autonomous systems. The company wants to choose a technology that provides a simplified and controlled approach to int...

A financial company requires that a custom TCP-based stock-trading application be prioritized over all other traffic for the business due to the associated revenue. The company als...

A company requires an RPO of less than 10 seconds to ensure business continuity. Which technology should be deployed?

Company XYZ is running BGP as their routing protocol. An external design consultant recommends that TCP path MTU discovery be enabled. Which effect will this have on the network?

Which parameter is the most important factor to consider when deciding service placement in a cloud solution?

Company XYZ branch offices connect to the headquarter sites using two links, MPLS and Internet. The company wants to design the traffic flow so that voice traffic goes through the...

An architect prepares a network design for a startup company. The design must be able to meet business requirements while the business grows and divests due to rapidly changing mar...

Software-defined networking architecture is used for cost-effective, adaptable and easily manageable applications. In which two software-defined networks is SDN commonly used? (Cho...

Sometimes SDN leverages various overlay networking technologies to create layer(s) of network abstraction. What describes an overlay network?

Refer to the exhibit. This network is running OSPF as the routing protocol. The internal networks are being advertised in OSPF London and Rome are using the direct link to reach ea...

Company XYZ wants to deploy OSPF. The design plan requires that two OSPF networks be mutually redistributed at multiple locations and ensure end-to-end connectivity to all of the c...

Company XYZ has designed their network to run GRE over IPsec on their Internet-based VPN to connect two sites. Which IPsec tunneling feature can they enable to optimize the data fl...

An IT service provider is upgrading network infrastructure to comply with PCI security standards. The network team finds that 802.1X and VPN authentication based on locally-signifi...

Which tool automates network implementation activities and shortens the implementation lifecycle?

A network security team observes phishing attacks on a user machine from a remote location. The organization has a policy of saving confidential data on two different systems using...

A service provider recently migrated to an SD-WAN solution for delivering WAN connections to its customers. One of the main challenges with the SD-WAN deployment is that branch sit...

Company XYZ is revisiting the security design for their data center because they now have a requirement to control traffic within a subnet and implement deep packet inspection. Whi...

The Layer 3 control plane is the intelligence over the network that steers traffic toward its intended destination. Which two techniques can be used in service provider-style netwo...

Which security architecture component offers streamlined security operations, ease of use, and visibility across all network security elements, independent of location or form fact...

In a redundant hub and spoke "wheel" design, all spokes are connected to the hub, and spokes are connected to other spokes as well. During failure on one spoke link, the traffic fr...

Company XYZ plans to run OSPF on a DMVPN network. They want to use spoke-to-spoke tunnels in the design. What is a drawback or concern in this type of design?

SDN is still maturing. Throughout the evolution of SDN, which two things will play a key role in enabling a successful deployment and avoiding performance visibility gaps in the in...

What are two examples of components that are part of an SDN architecture? (Choose two.)

A customer migrates from a traditional Layer 2 data center network into a new SDN-based, spine- and-leaf VXLAN EVPN data center within the same location. The networks are joined to...

Which component of the SDN architecture automatically ensures that application traffic is routed according to policies established by network administrators?

Cost is often one of the motivators for a business to migrate from a traditional network to a software-defined network. Which design decision is directly influenced by CAPEX driver...

A software-defined network can be defined as a network with an API that allows applications to understand and react to the state of the network in near real time. A vendor is build...

If the desire is to connect virtual network functions together to accommodate different types of network service connectivity, what must be deployed?

When consumers that leverage IaaS reach 100% resource capacity, what can be used to redirect the overflow of traffic to the public cloud, so there is no disruption to service?

A large enterprise customer is planning a new WAN connection to its headquarters. The current architecture is dual homed with static routing, but users complain when a specific lin...

A business requirement is supplied to an architect from a car manufacturer stating their business model is changing to just-in-time manufacturing and a new network is required, the...

Company XYZ wants to prevent switch loops caused by unidirectional point-point-link condition on Rapid PVST + and MST. Which technology can be used in the design to meet this requi...

A business wants to centralize services via VDI technology and to replace remote WAN desktop PCs with thin client-type machines to reduce operating costs. Which consideration suppo...

The major business applications of an enterprise are largely monolithic and hard-coded. As part of a major modernization and overhaul of the applications, the goal is to move to a...

A large enterprise customer has a single router that uses two active/active 10-Mbps internet links in one of its offices. Each link currently handles approximately 7 Mbps of traffi...

A large enterprise cloud design team is evaluating different cloud consumption models. What is an example of typical PaaS limitations or concerns that should be considered during s...

Which two statements describe the functionality of OSPF packet-pacing timers? (Choose two.)

Company XYZ is running SNMPv1 in their network and understands that it has some flaws. They want to change the security design to implement SNMPv3 in the network. Which network thr...

A multinational enterprise integrates a cloud solution with these objectives: - Achieve seamless connectivity across different countries and regions. - Extend data center and priva...

Which issue poses a challenge for security architects who want end-to-end visibility of their networks?

Enterprise XYZ wants to implement fast convergence on their network and optimize timers for OSPF. However, they also want to prevent excess flooding of LSAs if there is a constantl...

A network hacker is trying to interrupt the transport packet on IPSEC. A packet with duplicate sequence numbers is introduced. The customer sends high-priority traffic during this...