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While reviewing an existing network design, you are discussing the characteristics of different STP versions. Which protocol minimizes unicast flooding during a Topology Change Notification in a Layer 2 switched network with many VLANs?
A legacy enterprise is using a Service Provider MPLS network to connect its head office and branches. They want to extend the existing IP CCTV network to a new branch without routing changes or IP address changes. What is the best approach?
Company XYZ network runs IPv4 and IPv6 and they want to introduce a multidomain, multicast-based network. The new design should use a flavor of PIM that forwards traffic using SPT. Which technology meets this requirement?
Security experts promote the security defense-m-depth principle which states that network security should be multilayered and modular and multiple methods should be designed and applied to different parts of the network Drag and drop the characteristics on the left to the matching enterprise network components on the right.
You are tasked with the design of a high available network. Which two features provide fail closed environments? (Choose two.)
A BGP route reflector in the network is taking longer than expected to converge during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknowledgements during route updates. Which action can be performed to tune the device performance?
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 computing resources, thereby limiting damage from emerging security threats such as viruses, worms, and spyware? (Choose three)
You are designing a network running both IPv4 and IPv6 to deploy QoS. Which consideration is correct about the QoS for IPv4 and IPv6?
Refer to the exhibit.
Company XYZ must design a DMVPN tunnel between the three sites. Chicago is going to act as the NHS, and the company wants DMVPN to detect peer endpoint failures. Which technology should be used in the design?
Which three items do you recommend for control plane hardening of an infrastructure device? (Choose three.)
If the desire is to connect virtual network functions together to accommodate different types of network service connectivity, what must be deployed?
Drag and drop the design characteristics from the left onto the correct network filter techniques on the right. Not all options are used.
The Company XYZ network is experiencing attacks against their router. Which type of Control Plane Protection must be used on the router to protect all control plane IP traffic that is destined directly for one of the router interfaces?
Which two statements explain the operation of BFD asynchronous mode? (Choose two.)
Drag and drop the high-level descriptions of network automation and network orchestration on the left to the corresponding category on the right in no particular order.
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 multicast routing on the network. What should be used in the multicast routing design?
What are two advantages of the Agile project management methodology? (Choose two)
What statement describes the application layer as defined in the software-defined networking architecture?
Refer to the exhibit.
An engineer is designing the network for a multihomed customer running in AS 111. The AS does not have any other ASs connected to it. Which technology is more comprehensive to use in the design to make sure that the AS is not being used as a transit AS?
In a redundant hub-and-spoke design with inter-spoke links, load oscillation and routing instability occur due to overload conditions. Which two design changes improve resiliency? (Choose two)
A key to maintaining a highly available network is building in the appropriate redundancy to protect against failure. This redundancy is carefully balanced with the inherent complexity of redundant systems. Which design consideration is relevant for enterprise WAN use cases when it comes to resiliency?
Refer to the exhibit.
Company XYZ is currently running IPv4 but has decided to start the transition into IPv6. The initial objective is to allow communication based on IPv6 wherever possible, and there should still be support in place for devices that only support IPv4. These devices must be able to communicate to IPv6 devices as well. Which solution must be part of the design?
Company XYZ is designing the network for IPv6 security and they have these design requirements:
A switch or router must deny access to traffic from sources with addresses that are correct but topologically incorrect.
Devices must block Neighbor Discovery Protocol resolution for destination addresses not found in the binding table.
Which two IPv4 security features are recommended for this company? (Choose two)
How many fully established neighbour relationships exist on an Ethernet with five routers running OSPF as network type broadcast?
As part of workspace digitization, a large enterprise has migrated all their users to Desktop as a Service (DaaS), by hosting the backend system in their on-premises data center. Some of the branches have started to experience disconnections to the DaaS at periodic intervals, however, local users in the data center and head office do not experience this behavior. Which technology can be used to mitigate this issue?
The Layer 3 control plane steers traffic toward destinations. Which two techniques offer a more dynamic, flexible, controlled, and secure control plane design in service provider networks? (Choose two.)
Backups and mirror copies of data are part of RPO (Recovery Point Objective) strategies. If a business wants to reduce their CAPEX for disaster recovery, which solution is most applicable?
: 491
Budget is one of the important factors when you design a network Regardless of who controls the budget, one common network design goal is to contain costs Reduced budgets or limited resources often force network designers to select the most affordable solution instead of the best solution Which two elements must be considered when you do ROI analysis for the network design that explains how quickly the new network w ill pay for itself’ (Choose two. )
Which aspect of BGP-LS makes it scalable in large network when multiarea topology information must be gathered?
A business wants to refresh its legacy Frame Relay WAN It currently has product specialists in each of its 200 branches but plans to reduce and consolidate resources. The goal is to have product specialists available via video link when customers visit the nationwide branch offices Which technology should be used to meet this objective?
A company requires an RPO of less than 10 seconds to ensure business continuity. Which technology should be deployed?
Network operators have many options available from fully centralized to fully distributed control planes and each approach has its own set of characteristics Drag and drop the characteristics from the left onto the corresponding approach on the right
Drag and drop the design use cases from the left onto the correct uRPF techniques used to prevent spoofing attacks Not all options are used.
: 489
The concept of hybrid cloud computing reflects today ' s notion that IT resources and services are not singular Which two components are needed to establish a hybrid cloud? (Choose two.)
An MPLS service provider is offering a standard EoMPLS-based VPLS service to Customer A, providing Layer 2 connectivity between a central site and approximately 100 remote sites. Customer A wants to use the VPLS network to carry its internal multicast video feeds which are sourced at the central site and consist of 20 groups at Mbps each. Which service provider recommendation offers the most scalability?
An enterprise SDWAN customer based in the US has several branches in Europe Currently branches use the HQ in the US to access both internal and external services over an MPLS arcuit The design team has been tasked to suggest a solution allowing branches to access their cloud-based office productivity tools and services directly Since all their applications and services are hosted in the cloud, the design team has also been asked to come up with a solution, so branches can connect to the cloud directly from the branch as well Which two cost-effective and optimized solutions can be suggested? (Choose two)
cloud onRamp (SaaS)
A European national bank considers migrating its on-premises systems to a private cloud offering in a non-European location to significantly reduce IT costs. What is a primary factor prior to migration?
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 initiatives Which strategic requirement may come into play where it is more likely that the decision makers will look to leverage laaS over SaaS or PaaS?
As more links are added to the network, information and attributes related to the link is added to the control plane, meaning every link that gets added will slow down the convergence of the control plane by some measurable amount of time As a result when additional redundancy is built or added the MTTR will increase too Which risk increases along with the increased MTTR?
Company XYZ wants to secure the data plane of their network. Which two technologies can be included in the security design? (Choose two)
Which two protocols are used by SDN controllers to communicate with switches and routers? (Choose two.)
As a service provider is implementing Strong Access Control Measures, which two of the following PCI Data Security Standard requirements must be met? (Choose two . )
In outsourced IT services, the RTO is defined within the SLA. Which two support terms are often included in the SLA by IT and other service providers? (Choose two.)
To provide network resilience organizations need to adopt a holistic approach that includes several key practices and technologies What are two effective ways to enhance network resilience by providing backup and alternative options to maintain network functionality?
Which two features control multicast traffic in a VLAN environment? (Choose two)
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 migration is estimated to take 20 months to complete but might extend an additional 10 months if issues arise. All connectivity options meet the requirements to migrate workloads. Which transport technology provides the best ROI based on cost and flexibility?
A banking customer determines that it is operating POS and POI terminals that are noncompliant with PCI DSS requirements, as it is running TLSv1.0. The customer plans to migrate the terminals to TLSv1.2. What are two requirements to complete the migration? (Choose two.)
What are two key design principles when using a hierarchical core-distribution-access network model? (Choose two.)
In a controller-based network architecture, between which of the two elements the southbound interface does the communication happen with a goal to program the data plane forwarding tables? (Choose two)
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 networks to offer a more dynamic, flexible, controlled, and secure control plane design? (Choose two.)
What are two reasons for a company to prefer a hybrid approach rather than a mixed approach while transitioning to a software-defined network? (Choose two.)
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 each other although the transfer rates are better via Barcelona. Which OSPF design change allows OSPF to calculate the proper costs?
A business customer deploys workloads in the public cloud but now faces governance issues related to IT traffic flow and data security. Which action helps identify the issue for further resolution?
The Agile Manifesto is a document that defines the key values and principles behind the Agile philosophy and helps development teams work more efficiently and sustainably. Each of the four key values is split into two sections—a left-hand side and a right-hand side. In other words, though there is value in the items on the right, we value the items on the left more. What is one of the key values of the Agile Manifesto?
A bank recently had their security compromised during an initial key exchange between devices using a symmetric cryptography algorithm, and as a result the key was revealed/leaked. Going forward, they want to ensure that key exchanges are performed using asymmetric cryptography algorithms. Which algorithm offers the desired functionality?
Company XYZ is running a redundant private WAN network using OSPF as the underlay protocol. The current design accommodates for redundancy in the network, but it is taking over 30 seconds for the network to reconverge upon failure. Which technique can be implemented in the design to detect such a failure in a subsecond?
Which effect of using ingress filtering to prevent spoofed addresses on a network design is true?
You want to split an Ethernet domain in two.
Which parameter must be unique in this design to keep the two domains separated?
Which tool automates network implementation activities and shortens the implementation lifecycle?
A network architect is working on a large project involving migration to a software-defined networking platform, and is currently working on writing an executive summary for final approval by the management board. When writing the executive summary, What is a limitation of or challenges with software-defined networks that must be listed?
Setting a specific goal for throughput based on per-second data rates between end hosts does not identify the requirements for specific applications When specifying throughput goals for applications, it is important to understand the throughput requirements for each application Which two factors that can constrain application layer throughput? (Choose two.)
: 479
A comprehensive business continuity plan creates a clear recovery pathway for your systems and acts as an operational blueprint Which two elements are crucial to know before creating a business continuity plan? (Choose two.)
What is the most important operational driver in building a resilient and secure modular network design?
Refer to the exhibit Which two design options reduce the size of OSPF database in the shown topology? (Choose two.)
Which hybrid cloud environment enables businesses to more readily stage data-intensive and time-sensitive tasks closer to the source, which reduces latency, eases networking requirements, and improves data protection?
Drag and drop the characteristics from the left onto the corresponding network management options on the right.
Drag and drop the end-to-end network virtualization elements from the left onto the correct network areas on the right.
: 494 DRAG DROP
The customer ' s network manager asked for some key points to use m a presentation on overlay/underlay features and responsibilities. Drag and drop the features or responsibilities from the left onto the corresponding groups on the right in no particular order.
Compared to data plane traffic, control plane traffic is relatively small in volume, but these flows are critical to the overall functioning of the network infrastructure and to voice and video endpoint well. When designing a QoS policy for a network, which two actions for the network control service-class is recommended? (Choose two)
Which optimal use of interface dampening on a fast convergence network design is true?
An engineer is designing a DMVPN network where OSPF has been chosen as the routing protocol. A spoke-to-spoke data propagation model must be set up. Which two design considerations must be taken into account? (Choose two)
Which two benefits can software-defined networks provide to businesses? (Choose two.)
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?
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 threat is SNMPv3 effective against?
Which redundancy element plays a crucial role in ensuring business continuity even in challenging situations?
The network team in XYZ Corp wants to modernize their infrastructure and is evaluating an implementation and migration plan to allow integration MPLS-based, Layer 2 Ethernet services managed by a service provider to connect branches and remote offices. To decrease OpEx and improve
response times when network components fail, XYZ Corp decided to acquire and deploy new routers. The network currently is operated over E1 leased lines (2 Mbps) with a managed CE service provided by the telco.
Drag and drop the implementation steps from the left onto the corresponding targets on the right in the correct order.
A business invests in SDN and develops its own SDN controller that, due to budget constraints, runs on a single controller. The controller actively places an exclusive lock on the configuration of the devices to ensure it is the only source of changes to the environment. What is the result if the controller fails?
Two routers R1 and R2 are directly connected through an Ethernet link. Both routers are running OSPF over the Ethernet link and OSPF has been registered with BFD. R1 has been set up to transmit BFD at a 50 ms interval, but R2 can receive only at a 100 ms rate due to platform limitations. What does this mean?
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 building an SDN solution that exposes an API to the RIB and potentially the forwarding engine directly The solution provides off-box processes with the capability to interact with the routing table in the same way as a distributed routing process Which SDN framework model does the solution use?
An engineer must design a network for a company that uses OSPF LFA to reduce loops. Which type of loop would be reduced by using this design?
A customer with two 10 Mbps Internet links (active-active) experiences degraded performance when one fails. Static routing is used, and bandwidth upgrades aren ' t possible. The design must be failure-resistant without increasing CAPEX.
Which solution should be proposed?
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 advantages to mention? (Choose two)
Refer to the table.
A customer investigates connectivity options for a DCI between two production data centers. The solution must provide dual 10G connections between locations with no single points of failure for Day 1 operations. It must also include an option to scale for up to 20 resilient connections in the second year to accommodate isolated SAN over IP and isolated, dedicated replication IP circuits. All connectivity methods are duplex 10 Gbps. Which transport technology costs the least over two years, in the scenario?
Software-defined network and traditional networks might appear the same to the end-user, but behind the scenes, each has unique sets of characteristics. Drag and drop these characteristic found on the left to the corresponding category on the right in no particular order?
Which regulatory compliance element ensures adherence to regulations and improves speed to market, which gives businesses a competitive advantage?
A company uses equipment from multiple vendors in a data center fabric to deliver SDN, enable maximum flexibility, and provide the best return on investment. Which YANG data model should be adopted for comprehensive features to simplify and streamline automation for the SDN fabric?
During evaluation of migrating current on-premises infrastructure to add cloud-based infrastructure, a network planning team must meet three core requirements:
Technology must be adaptable over the next three years (CapEx investment).
Network bandwidth requirements are dynamic.
Operational expenses (OpEx) must be minimized.
Which cloud strategy meets these requirements?
Drag and drop the right functional descriptions from the left onto the corresponding protocols on the right.
What is the primary benefit for an organization that dynamically can expand their private cloud capacity by allocating additional compute and/or storage resources using a third-party service provider or partner?
Flexibility, scalability, resiliency, and security are all chrematistics of a services-ready network An architecture featuring a modular design enables technologies and services to be added when the organization is ready to deploy. Drag and drop the design considerations on the left to the to type of service on the right Not all options are used
As part of a design solution a consultant needs to describe the trade-offs between different SDN models Drag the characteristics on the left to the correct controller-based network designs on the right in no particular order.
A European government passport agency considers upgrading its IT systems to increase performance and workload flexibility in response to constantly changing requirements. The budget manager wants to reduce capital expenses and IT staff and must adopt the lowest-cost technology. Which technology choice is suitable?
: 473
A network consists of multiple planes where each plane represents a different area of network operations and cames different types of network traffic Which two statements describe the concepts of assurance in the context of control planes? (Choose two.)
Agile and Waterfall are two popular methods for organizing projects. What describes any Agile network design development process?
Virtualization pose a special challenges for NAC because virtual servers can move around a data center, and the VLAN can change as the servers move. What is an option that can be used to improve security in this condition?
multinational corporation with offices in various regions worldwide are looking for a network architecture that provides a balance between low- latency and cost-effectiveness for connecting their offices to the cloud. Which cloud connectivity option is the best fit for this corporation?
Which two features are advantages of SD-WAN compared to MPLS-based connectivity? (Choose two.)
Which two design solutions ensure sub-50 msec of the convergence time after a link failure in the network? (Choose two)
Drag and drop the descriptions from the left onto the corresponding categories on the right Not all options are used
Company XYZ asks for design recommendations for Layer 2 redundancy. The company wants to prioritize fast convergence and resiliency elements. In the design, which two technologies are recommended? (Choose two.)
Which parameter is the most important factor to consider when deciding service placement in a cloud solution?
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 company ' s networks. Which technology can be used to fulfill the requirements while avoiding the creation of routing loops?
Which two benefits can software defined networks provide to businesses? (Choose two.)
The Company XYZ network requires OSPF dead neighbor detection in a subsecond manner. However, the company network does not support BFD. Which other feature can be used to fulfill the design requirement?
A customer has a functional requirement that states HR systems within a data center should be segmented from other systems that reside in the same data center and same VLAN. The systems run legacy applications by using hard-coded IP addresses. Which segmentation method is suitable and scalable for the customer?
Refer to the exhibit.
This network is running OSPF and EIGRP as the routing protocols. Mutual redistribution of the routing protocols has been configured on the appropriate ASBRs. The OSPF network must be designed so that flapping routes in EIGRP domains do not affect the SPF runs within OSPF. The design solution must not affect the way EIGRP routes are propagated into the EIGRP domains. Which technique accomplishes the requirement?
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 constantly flapping link on the network. Which timers can help prevent excess flooding of LSAs for OSPF?
Which security architecture component offers streamlined security operations, ease of use, and visibility across all network security elements, independent of location or form factor?
What are two top cloud-native security challenges faced by today ' s cloud-oriented organizations? (Choose two.)
Drag and drop the correct mitigation methods from the left onto the corresponding types of attack on the right
Which aspect of BGP-LS makes it scalable in large networks when multiarea topology information must be gathered?
: 482
Even with two different device platforms that support NETCONF or any other common transport method it does not mean they are compatible from a tooling and/or a developer’s perspective What is required to get the compatibility?
: 498
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 infrastructure. In which two cases are other connectivity methods a better fit? (Choose two.)
Company XYZ is designing the IS-IS deployment strategy for their multiarea IS-IS domain. They want IS-IS neighbor relationships minimized on each segment and the LSDB size optimized. Which design can be used?
Which two actions must be taken when assessing an existing wireless network implementation for its readiness to support voice traffic? (Choose two.)
Indicate the nature of automation and orchestration tasks by dragging the tasks on the left to the corresponding category on the right in no particular order.
Company XYZ branch offices connect to headquarters using two links, MPLS and Internet. The company wants to design traffic flow so voice traffic uses MPLS and all other traffic uses either link, avoiding process switching. Which technique can be used?
: 501
An organization who recently adapted SDWAN has been using CPU intensive policy routing on their new WAN edge device in the HQ to forward traffic to one of its branches which hosts the enterprise firewall What can replace the CPU intensive policy routing?
Various teams in different organizations within an enterprise are preparing low-level design documents using a Waterfall project model. Input from relevant stakeholders was captured at the start of the project, and the scope has been defined. What impact will it have if stakeholders ask for changes before documentation is complete?
Which issue poses a challenge for security architects who want end-to-end visibility of their networks?
A business wants to refresh its legacy Frame Relay WAN and consolidate product specialists via video in 200 branches. Which technology should be used?
A centralized control plane generally means one or more controllers gather the reachability and topology information from each switching device and calculate some part of the forwarding information at some place. How can a centralized control plane be defined or described?
What is the most important operational driver when building a resilient and secure modular network design?
: 478
The growing adoption of software-defined networking has begun the trend toward modernizing the IP infrastructure that runs today s networks Which popular fundamental function of IP Infrastructure deployed currently?
While positive feedback loops generally don ' t last long enough to bring down a network completely, they can still last long enough to disrupt traffic flows or to cause the network to converge more slowly than it should.
What are two examples of cases where a positive feedback loop can be long-lived and devastating to the network ' s control plane? (Choose two)
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?
: 495
An organization has two branches connected over the Internet circuit using IPsec tunnels established on their edge routers belonging to different vendors Recently these branches were the victims of a DoS attack resulting in failure to establish the tunnels They are now looking for a better tunneling solution allowing full interoperability between vendors and allowing a standardized set of authentication methods Furthermore the solution must support detection of the peer’s state as well as having support for next-gen encryption algorithms. Which protocol meets these requirements and is known to be resistant to DoS attacks?
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?
Refer to the exhibit. A service provider has a requirement to use Ethernet OAM to detect end-to-end connectivity failures between SP-SW1 and SP-SW2. Which two ways to design this solution are true? (Choose two)
During initial preparations to deploy 802 1x for wired access to their network, a company must ensure that the solution complies with existing internal security policies These policies mandate that every Auth C/Auth Z request must be protected by a tunnel which authenticates both server and clients using their PKI AI the same time, the user authentication phase must be independent of the tunnel Which scheme meets the requirements?
SDN controllers need to sustain healthy operation under the pressure of different objectives from the applications they host. High availability can be achieved through improved southbound APIs and controller placement heuristics and formal models. Which two implementation strategy help to maximize resilience and scalability? (Choose two.)
Scalability is a desirable attribute of a network, system, or process Poor scalability can result in poor system performance, necessitating the reengineering or duplication of systems Load scalability is the ability of a system to perform gracefully as traffic increases Which two problems can occur due to poor load scalability design? (Choose two.)
Which two mechanisms avoid suboptimal routing in a network with dynamic mutual redistribution between multiple OSPFv2 and EIGRP boundaries? (Choose two.)
What is the key strategy to address scalability challenges In the rapidly evolving digital landscape with resilient designs?
You have been asked to design a high-density wireless network for a university campus. Which two principles would you apply in order to maximize the wireless network capacity? (Choose two.)
An enterprise that runs numerous proprietary applications has major issues with its on-premises server estate hardware, to the point where business-critical functions are compromised. The enterprise accelerates plans to migrate services to the cloud. Which cloud service should be used if the enterprise wants to avoid hardware issues yet have control of its applications and operating system?
TESTED 25 Jun 2026
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