Boost Your Exam Readiness with Cisco 300-415 ENSDWI Dump Questions

Question #1

A network engineer must connect two sites across a public network using a secure tunneling technology that supports multicast traffic. Which technology should be selected?

A. Psec

B. RE

C. PTP

D. RE over IPsec

View answer

Correct Answer: D

Question #2

A branch office has a primary L3VPN MPLS connection back to the main office and an IPSEC VPN tunnel that serves as backup. Which design ensures that data is sent over the backup connection only if the primary MPLS circuit is down?

A. se EIGRP to establish a neighbor relationship with the main office via L3VPN MPLS and the IPSEC VPN tunnel

B. se BGP with the multipath feature enabled to force traffic via the primary path when available

C. se static routes tied to an IP SLA to prefer the primary path while a floating static route points to the backup connection

D. se OSPF with a passive-interface command on the backup connection

View answer

Correct Answer: C

Question #3

Which solution allows overlay VNs to communicate with each other in an SD-WAN Architecture?

A. xternal fusion routers can be used to map VNs to VRFs and selectively route traffic between VRFs

B. RE tunneling can be configured between fabric edges to connect one VN to another

C. GTs can be used to permit traffic from one VN to another

D. oute leaking can be used on the fabric border nodes to inject routes from one VN to another

View answer

Correct Answer: B

Question #4

Which routes does the overlay management protocol advertise in an SD-WAN overlay?

A. nderlay, MPLS, and overlay

B. rimary, backup, and load-balanced

C. refix, TLOC, and service

D. nternet, MPLS, and backup

View answer

Correct Answer: C

Question #5

What is one function of the vSmart controller in an SD-WAN deployment?

A. rchestrates vEdge and cEdge connectivity

B. esponsible for the centralized control plane of the SD-WAN network

C. rovides centralized network management and a GUI to monitor and operate the SD-WAN overlay

D. rovides a data-plane at branch offices to pass traffic through the SD-WAN network

View answer

Correct Answer: B

Question #6

In an SD-WAN architecture, which methods are used to bootstrap a vEdge router?

A. HCP options or manual configuration

B. Manage or DNS records

C. TP or manual configuration

D. NS records or DHCP options

View answer

Correct Answer: C

Question #7

DRAG DROP (Drag and Drop is not supported)Drag and drop the functions from the left onto the Cisco SD-WAN components that perform them on the right.Select and Place:

A. ee Explanation section for answer

View answer

Correct Answer: A

Question #8

Which two functions are provided by the Cisco SD-WAN orchestration plane? (Choose two.)

A. ee Explanation section for answer

View answer

Correct Answer: BC

Question #9

DRAG DROP (Drag and Drop is not supported)Drag and drop the descriptions from the left onto the Cisco SD-WAN component they describe on the right.Select and Place:

A. he IP addresses of all Orchestrators are mapped to a single DNS name

B. he closest Orchestrator to each Cisco WAN Edge router is selected

C. isco WAN Edge routers are configured with all Orchestrators using their IP addresses and priority

D. single Cisco Orchestrator is deployed in each network

View answer

Correct Answer: A

Question #10

Which design consideration must be made when dual WAN Edge routers are deployed at a branch site?

A. se BGP AS-path prepending to influence egress traffic and use MED to influence ingress traffic from the branch

B. SRP priorities must match the OMP routing policy to prefer one WAN Edge over the other

C. raffic must be symmetrical as it egresses the WAN Edges and returns from remote sites for DPI to function properly

D. onfigure BFD between WAN Edge routers to detect sub-second link failures

View answer

Correct Answer: C

Question #11

When IPsec VPNs are designed, what is a unique requirement if support for IP Multicast is required?

A. ncapsulation of traffic with GRE or VTI

B. Psec forwarding using transport mode

C. dditional bandwidth for headend

D. Psec forwarding using tunnel mode

View answer

Correct Answer: A

Question #12

Which control-plane technology allows the same subnet to exist across multiple network locations?

A. ISP

B. XLAN

C. abricPath

D. SE mobility services

View answer

Correct Answer: A

Question #13

An engineer is upgrading a company’s main site to include a connection to a second ISP. The company will receive full Internet routing tables from both ISPs via BGP. The engineer must ensure that the company does not become a transit autonomous system. Which solution should be included in this design?

A. ag incoming routes from both ISPs with BGP community no-export

B. ower the MED for updates sent to the secondary ISP

C. se a route-map to prevent all prefixes from being advertised to either ISP

D. odify the local-preference for routes incoming from the primary ISP

View answer

Correct Answer: A

Question #14

An architect is working on a design to connect a company’s main site to several small to medium-sized remote branches. The solution must include redundant WAN links, but the customer has a limited budget and wants the ability to increase the link speed easily in the future. QoS will run on the branch routers so there is no need for consistent end-to-end QoS. Which solution does the architect propose?

A. ual-homed WAN MPLS with single edge router

B. ual-homed Internet with a single edge router running a site-to-site VPN topology

C. ual-homed WAN MPLS and Internet links via dual edge routers

D. ual-homed Internet with dual edge routers running a hub-and-spoke VPN topology

View answer

Correct Answer: B

Question #15

An engineer must design a solution to connect a customer to the Internet. The solution will include a Layer 3 circuit with a CIR of 50 Mbps from the service provider. The hand-off from the provider's switch to the customer's router is 1Gbps. Which solution should the engineer include to prevent potential issues with choppy voice traffic?

A. educe the bandwidth of the connection to the router

B. mplement hierarchical QoS with a parent policing policy

C. mplement hierarchical QoS with a parent shaping policy

D. dd a bandwidth statement to the router interface

View answer

Correct Answer: C

Question #16

Refer to the exhibit. Customers report low video quality and delays when having point-to-point telepresence video calls between the two locations. An architect must optimize a design so that traffic follows the same path for egress and ingress traffic flows. Which technique optimizes the design?

A. onfigure route leaking on the router in area 2

B. onfigure route leaking on the router in area 1

C. onfigure the high metric on the router in area 4

D. onfigure route filter on the router in area 4

View answer

Correct Answer: A

Question #17

Refer to the exhibit. An engineer is designing a BGP solution for a client that peers with ISP1 for full Internet connectivity and with ISP2 for direct exchange of routes for several third parties. Which action, when implemented on the edge routers, enables the client network to reach the Internet through ISP1?

A. un an eBGP session within different VRFs for each ISP

B. dvertise a default route for downstream routers within the client network

C. pply the AS-path prepend feature for ISP2

D. pply route filtering such that the client advertises only routes originated from its own AS

View answer

Correct Answer: B

Question #18

An engineer must propose a solution for a campus network that includes the capability to create multiple Layer 3 virtual networks. Each network must have its own addressing structure and routing table for data forwarding. The solution must be scalable to support hundreds of virtual networks and allow simple configuration and management with minimal administrative overhead. Which solution does the engineer recommend?

A. op-by-hop EVN

B. ultihop MPLS core

C. ultihop IPsec tunneling

D. op-by-hop VRF-Lite

View answer

Correct Answer: A

Question #19

An engineer must design a VPN solution for a company that has multiple branches connecting to a main office. What are two advantages of using DMVPN instead of IPsec tunnels to accomplish this task? (Choose two.)

A. MP advertises a default route from a WAN Edge router that is connected to the MPLS and Internet transport networks

B. nternet access must be provided at the WAN Edge router through either a 4G/5G link or local Internet circuit

C. n extranet must be provided in the MPLS transport network to allow private traffic to reach the public Internet

D. LOC extensions are used to route traffic to a WAN Edge router that is connected to the Internet transport network

View answer

Correct Answer: BE

Question #20

How is Internet access provided to a WAN Edge router that is connected to a MPLS transport link?

A. ee Explanation section for answer

View answer

Correct Answer: D

Question #21

Which method does Cisco SD-WAN use to avoid fragmentation issues?

A. MTUD is used

B. ccess circuits are configured with 1600 byte MTU settings

C. umbo frames are enabled

D. raffic is marked with the DF bit set

View answer

Correct Answer: A

Question #22

DRAG DROP (Drag and Drop is not supported)Drag and drop the descriptions from the left onto the corresponding WAN connectivity types and categories on the right.Select and Place:

A. ee Explanation section for answer

View answer

Correct Answer: A

Question #23

A global organization with several branches hired a network architect to design an overlay VPN solution. The branches communicate with each other frequently.The customer expects to add more branches in the future. To meet the customer's security requirements, the architect plans to provide traffic protection using dynamic IPsec tunnels. Which solution should the architect choose?

A. MVPN

B. asyVPN

C. 2TP

D. ETVPN

View answer

Correct Answer: A

Question #24

DRAG DROP (Drag and Drop is not supported)Drag and drop the descriptions from the left onto the corresponding VPN types on the right.Select and Place:

A. ee Explanation section for answer

View answer

Correct Answer: A

Question #25

A customer requests a VPN solution to connect multiple sites with the company headquarters. All the sites use the same IP subnet. The engineer plans to use VPLS. Which solution must the engineer include in the design?

A. ifferent VLANs on each site

B. ddress translation to hide overlapping subnets

C. 02

D. oute exchange with the service provider

View answer

Correct Answer: C

Question #26

An ISP provides Layer 3 VPN service over MPLS to a customer with four branches and multiple CE routers at each branch. To exchange the routes that are learned from the CE routers, which BGP address family should the ISP activate among the PE routers?

A. ddress-family multicast

B. 2VPN EVPN

C. PNv4 unicast

D. Pv4 unicast

View answer

Correct Answer: C

Question #27

In the SD-WAN underlay network, which WAN Edge VPN ID is defined as the transport VPN and is used to carry control traffic?

A. PN 0

B. PN 512

C. PN 128

D. PN 256

View answer

Correct Answer: A

Question #28

A company's security policy requires that all connections between sites be encrypted in a manner that does not require maintenance of permanent tunnels. The sites are connected through a private MPLS-based service that uses a dynamically changing key and spoke-to-spoke communication. Which type of transport encryption must be used in this environment?

A. ETVPN

B. MVPN

C. RE VPN

D. tandard IPsec VPN

View answer

Correct Answer: A

Question #29

Which PIM mode uses a shared tree only?

A. idirectional

B. parse

C. ense

D. ource-specific

View answer

Correct Answer: A

Question #30

Which two statements describe source trees in a multicast environment? (Choose two.)

A. RRPv3 supports IPv4 and IPv6

B. RRPv3 supports authentication

C. RRPv3 supports preemption

D. RRPv3 supports stateful switchover

View answer

Correct Answer: AB

Question #31

A customer is discussing QoS requirements with a network consultant. The customer has specified that end-to- end path verification is a requirement. Which QoS solution meets this requirement?

A. ntServ model with RSVP to support the traffic flows

B. iffServ model with PHB to support the traffic flows

C. arking traffic at the access layer with DSCP to support the traffic flows

D. arking traffic at the access layer with CoS to support the traffic flows

View answer

Correct Answer: A

Question #32

Which nonproprietary mechanism can be used to automate rendezvous point distribution in a large PIM domain?

A. mbedded RP

B. SR

C. uto-RP

D. tatic RP

View answer

Correct Answer: B

Question #33

Which QoS feature responds to network congestion by dropping lower priority packets?

A. BWFQ

B. ail drop

C. RED

D. trict priority

View answer

Correct Answer: C

Question #34

What is an advantage of designing an out-of-band network management solution?

A. n the event of a production network outage, network devices can still be managed

B. here is no separation between the production network and the management network

C. n the event of a production network outage, it can be used as a backup network path

D. t is less expensive than an in-band management solution

View answer

Correct Answer: A

Question #35

An engineer is designing a QoS policy that queues excess packets for later transmission. Which mechanism must be included in the design?

A. haping

B. RED

C. olicing

D. ED

View answer

Correct Answer: A

Question #36

An organization is designing a detailed QoS plan that limits bandwidth to specific rates. Which two parameters are supported by the traffic policing feature? (Choose two.)

A. iffServ

B. LQ

C. RED

D. ntServ

View answer

Correct Answer: AE

Question #37

An engineer must propose a QoS architecture model that allows an application to inform the network of its traffic profile and to request a particular type of service to support its bandwidth and delay requirements. The application requires consistent and dedicated bandwidth end to end. Which QoS architecture model meets these requirements?

A. IM-SSM

B. IM-SM

C. SDP

D. IDIR-PIM

View answer

Correct Answer: D

Question #38

An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast protocol meets these requirements?

A. IM-SM

B. IM-SSM

C. ny-source multicast

D. IDIR-PIM

View answer

Correct Answer: B

Question #39

What is the function of the multicast Reverse Path Forwarding check?

A. t allows for a loop-free distribution tree from the source to receivers

B. t serves as an Auto RP Mapping agent

C. t prevents bootstrap messages from reaching all routers

D. t is used to discover and announce RP-set information

View answer

Correct Answer: A

Question #40

An architect is designing a multicast solution for a network that contains over 100 routers. The architect plans to create several multicast domains and balance the PIM-SM traffic within the network. Which technology should the architect include in the design?

A. VMRP

B. GMP

C. OSPF

D. SDP

View answer

Correct Answer: D

Question #41

An engineer must design a scalable QoS architecture that allows the separation of the traffic into classes on predefined business requirements. The design must also utilize the differentiated services code points as the QoS priority descriptor value and support at least 10 levels of classification. Which QoS technology should the engineer include in the design?

A. SVP

B. iffServ

C. est Effort

D. nterServ

View answer

Correct Answer: B

Question #42

A network engineer is redesigning a company's QoS solution. The company is currently using IP Precedence, but the engineer plans to move to DiffServ. It is important that the new solution provide backward compatibility with the current solution. Which technology should the design include?

A. xpedited forwarding

B. ssured forwarding

C. lass selector code points

D. efault per hop behavior

View answer

Correct Answer: C

Question #43

An enterprise customer has these requirements:-end-to-end QoS for the business-critical applications and VoIP services based on CoS marking. -flexibility to offer services such as IPv6 and multicast without any reliance on the service provider. -support for full-mesh connectivity at Layer 2. Which WAN connectivity solution meets these requirements?

A. PWS

B. PLS VPN

C. MVPN

D. PLS

View answer

Correct Answer: D

Question #44

When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)

A. ark the traffic to DSCP CS6 and assign it to the ROUTING class

B. ark the traffic to DSCP CS2 and assign it to the ROUTING class

C. ark the traffic to DSCP CS4 and assign it to the SIGNALLING class

D. ark the traffic to DSCP CS5 and assign it to the SIGNALLING class

View answer

Correct Answer: CD

Question #45

An architect must address sustained congestion on the access and distribution uplinks of a network. QoS has already been implemented and optimized, but it is no longer effective in ensuring optimal network performance. Which two solutions should the architect use to improve network performance. (Choose two.)

A. olicing

B. ueuing

C. raffic shaping

D. olicer with markdown

View answer

Correct Answer: BD

Question #46

An engineer must design a QoS solution for a customer that is connected to an ISP over a 1Gbps link with a 100Mbps CIR. The ISP aggressively drops all traffic received over the CIR, which is causing numerous TCP retransmissions. The customer is not using any RTP applications but wants to maximize bandwidth usage up to the CIR. Which QoS solution should the engineer choose?

A. BWFQ with DSCP AF2

B. LQ with DSCP EF

C. BWFQ with DSCP AF3

D. LQ with DSCP AF4

View answer

Correct Answer: C

Question #47

The customer solution requires QoS to support streaming multimedia over a WAN. An architect chooses to use Per-Hop Behavior. Which solution should the engineer use to classify and mark traffic traveling between branch sites?

A. ark the traffic with DSCP EF and map into Class1 with a minimum bandwidth assigned by reducing the bandwidth available to Class2

B. ark the traffic with DSCP CS1 and map into Class2 with a minimum bandwidth assigned by reducing the bandwidth available to Class3

C. ark the traffic with DSCP CS6 and map into Class1 with a minimum bandwidth assigned by reducing the bandwidth available to Class2

D. ark the traffic with DSCP CS2 and map into Class2 with a minimum bandwidth assigned by reducing the bandwidth available to Class3

View answer

Correct Answer: C

Question #48

An engineer is designing a multicast network for a company specializing in VoD content. Receivers are across the Internet, and for performance reasons, the multicast framework must be close to the receivers within each AS. For high availability, if the sources in one AS are no longer available, the receivers of that AS must be able to receive the VoD content from the sources in another AS. Which feature must the design include?

A. SM

B. nycast RP

C. idirectional PIM

D. SDP

View answer

Correct Answer: B

Question #49

An organization plans to deploy multicast across two different autonomous systems. Their solution must allow RPs to:-discover active sources outside their domain-use the underlying routing information for connectivity with other RPs-announce sources joining the groupWhich solution supports these requirements?

A. SM

B. SDP

C. IM-DM

D. IM-SM

View answer

Correct Answer: B

Question #50

Which type of rendezvous point deployment is standards-based and supports dynamic RP discovery?

A. ootstrap router

B. nycast-RP

C. uto-RP

D. tatic RP

View answer

Correct Answer: A

Question #51

An engineer must design a QoS solution for a customer. The network currently supports data only, but the customer will roll out VoIP and IP video in conjunction with the new QoS solution. The engineer plans to use DiffServ. To ensure priority for voice services, which model must the design include?

A. -class model

B. -class model

C. -class model

D. 2-class model

View answer

Correct Answer: A

Question #52

Which NETCONF operation creates filtering that is specific to the session notifications?

A. create-subscription>

B. commit>

C. notification>

D. logging>

View answer

Correct Answer: A

Question #53

DRAG DROP (Drag and Drop is not supported)Drag and drop the properties from the left onto the protocols they describe on the right.Select and Place:

A. ee Explanation section for answer

View answer

Correct Answer: A

Question #54

DRAG DROP (Drag and Drop is not supported)Drag and drop the characteristics from the left onto the telemetry mode they apply to on the right.Select and Place:

A. ee Explanation section for answer

View answer

Correct Answer: A

Question #55

An engineer needs a standards-driven YANG model to manage a multivendor network environment. Which model should the engineer choose?A.Native

B. penConfig

C. ETF

D. EEE NETCONF

View answer

Correct Answer: C

Question #56

An engineer is working with NETCONF and Cisco NX-OS based devices. The engineer needs a YANG model that supports a specific feature relevant only to Cisco NX-OS. Which model should the engineer choose?A.Native

B. EEE

C. penConfig

D. ETF

View answer

Correct Answer: A

Question #57

A client is moving to Model-Driven Telemetry and requires periodic updates. What must the network architect consider with this design?A.Updates that contain changes within the data are sent only when changes occur.

B. mpty data subscriptions do not generate empty update notifications

C. eriodic updates include a full copy of the data that is subscribed to

D. he primary push update is sent immediately and cannot be delayed

View answer

Correct Answer: C

Question #58

An infrastructure team is concerned about the shared memory utilization of a device, and for this reason, they need to monitor the device state. Which solution limits impact on the device and provides the required data?A.IPFIX

B. tatic telemetry

C. n-change subscription

D. eriodic subscription

View answer

Correct Answer: A

Question #59

DRAG DROP (Drag and Drop is not supported)Drag and drop the characteristics from the left onto the Yang model they describe on the right.Select and Place:A.See Explanation section for answer.

View answer

Correct Answer: A

Question #60

DRAG DROP (Drag and Drop is not supported) Drag and drop the model driven telemetry characteristics from the left onto the mode they belong to on the right.Select and Place:A.See Explanation section for answer.

View answer

Correct Answer: A

Question #61

DRAG DROP (Drag and Drop is not supported)Drag and drop the characteristics from the left onto the configuration protocols they describe on the right.Select and Place:A.See Explanation section for answer.

View answer

Correct Answer: A

Question #62

A company must automate a set of complex changes aligned with DR testing in the network. These changes are specific, and the DR playbook will be adjusted in the future. The playbook has diverse routing and switching assets in scope as well as multiple vendor and hardware platforms. A developer will create a thin, web front-end microservice and integrate with an Open Daylight controller to push changes to the network. Which YANG model should be used?A.Use an open YANG model to allow the reuse of code and standardize the implementation across platforms.

B. evelop an individualized YANG model to minimize development resources and time to market

C. se multiple native vendor YANG models to provide code consistency

D. se a single native vendor YANG model to minimize development time

View answer

Correct Answer: A

Question #63

DRAG DROP (Drag and Drop is not supported)Drag and drop the characteristics from the left onto the YANG models they describe on the right. Not all options are used.Select and Place:A.See Explanation section for answer.

View answer

Correct Answer: A

Question #64

DRAG DROP (Drag and Drop is not supported)Drag and drop the elements from the left onto the YANG models where they and used on the right.Select and Place:A.See Explanation section for answer.

View answer

Correct Answer: A

Question #65

An architect must create a QoS solution for a customer to ensure that a 40 Mbps Internet connection is shared between four subnets based on these requirements:-Each subnet must receive no less than 10 Mbps of download bandwidth during peak traffic times.-A subnet can use up to 40 Mbps during nonpeak traffic times if the other subnets are idle.-Download traffic must never experience a delay.Which solution must the architect choose?A.rate-limiting and shaping

B. andwidth percentage and policing

C. haping and policing

D. andwidth percentage and rate-limiting

View answer

Correct Answer: B

Question #66

An engineer is designing a network for a customer running a wireless network with a common VLAN for all APs. The customer is experiencing unicast flooding in the Layer 2 network between the aggregation and access layers. The customer wants to reduce the flooding and improve convergence time. Which solution meets these requirements?A.Migrate all APs to a common Layer 2 access layer switch and run Layer 3 from the aggregation layer to all remaining access layer switches.

B. lign HSRP primary and STP root bridges and reduce ARP timers to match CAM timers on the aggregation layer switches

C. igrate to a Layer 3 access campus design if the APs can run on separate VLANs

D. lign HSRP primary and STP root bridges if the APs cannot run on separate VLANs

View answer

Correct Answer: D

Question #67

Refer to the exhibit. A customer wants to adopt a dynamic site-to-site VPN solution to secure communication for VoIP, video, and FTP traffic between the remote branches and the headquarters. The customer also wants the branches to communicate directly, thereby reducing traffic at the headquarters location. The solution most consider that the branch routers are limited in available memory. Which VPN solution meets these requirements?A.DMVPN Phase 2 Hub and Spoke design

B. MVPN Phase 3 Hub and Spoke design

C. MVPN Phase 3 Hierarchical design

D. MVPN Phase 1 Hub and Spoke design

View answer

Correct Answer: B

Question #68

Which node performs the LISP Map-Server and Map-Resolver functions in the Cisco SD-Access network architecture?A.control plane node

B. abric edge node

C. order node

D. ntermediate node

View answer

Correct Answer: A

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