Updated Dec-2024 Premium 300-440 Exam Engine pdf - Download Free Updated 40 Questions [Q19-Q34]

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Updated Dec-2024 Premium 300-440 Exam Engine pdf - Download Free Updated 40 Questions

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Cisco 300-440 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Operation: The topic delves into diagnosis of IPsec-based secure cloud connectivity between an on-premises native Cloud endpoints and Cisco IOS XE router. It also explains the diagnosis of routing issues on Cisco IOS XE routers, and diagnosis of Cisco SD-WAN policy issues, focusing on all the traffic.
Topic 2
  • IPsec Cloud Connectivity: The configuration of IPsec-based secure cloud connectivity is one of the focal points of this topic. Additionally, it delves into configuration of IPsec-based secure cloud connectivity between an on-premises Cisco IOS XE router and native Azure, AWS, and Google Cloud endpoints. Lastly, the topic discusses configuration of routing on Cisco IOS XE routers.
Topic 3
  • Design: Questions about cloud-native security policies for AWS, Azure, and Google Cloud appear in this topic. It also recommends connectivity models that ensure high availability, resiliency, SLAs, and reliability. Furthermore, the topic delves into connectivity models based on network architecture requirements. The topic further discusses factors including bandwidth, QoS, dedicated vs shared connections and multi-homing.
Topic 4
  • SD-WAN Cloud Connectivity: Questions about configuration of SD-WAN-based cloud connectivity using Cisco infrastructure appear in this topic. Furthermore, it discusses configuration of Cisco SD-WAN OnRamp, configuration for connecting to a SaaS cloud provider, and configuration of Cisco SD-WAN policies to address traffic.
Topic 5
  • Architecture Models: In this topic different aspects of connectivity to cloud providers are discussed. It focuses on AWS, Azure, and Google Cloud. Moreover, the topic explains private connectivity to leading cloud providers and connectivity options for Software as a Service (SaaS) cloud providers.

 

NEW QUESTION # 19
An engineer must use Cisco vManage to configure an application-aware routing policy Drag and drop the steps from the left onto the order on the right to complete the configuration.

Answer:

Explanation:

Explanation:
Step 1 = Create the groups of interest. Step 2 = Configure the topology. Step 3 = Create the application-aware routing policy. Step 4 = Apply the application-aware routing policy to a specific VPN and sites.
The process of configuring an application-aware routing policy in Cisco vManage involves several steps12.
Create the groups of interest: This is the first step where you define the applications or groups that the policy will affect1.
Configure the topology: This involves setting up the network topology that the policy will operate within1.
Create the application-aware routing policy: After setting up the groups and topology, you then create the application-aware routing policy. This policy tracks network and path characteristics of the data plane tunnels between Cisco SD-WAN devices and uses the collected information to compute optimal paths for data traffic31.
Apply the application-aware routing policy to a specific VPN and sites: Finally, the created policy is applied to a specific VPN and sites. This allows the policy to affect the desired network traffic1.
References :=
Designing and Implementing Cloud Connectivity (ENCC) v1.0
Learning Plan: Designing and Implementing Cloud Connectivity v1.0 (ENCC 300-440) Information About Application-Aware Routing - Cisco Configuring Application-Aware Routing (AAR) Policies | NetworkAcademy.io Policies Configuration Guide, Cisco IOS XE SD-WAN Releases 16.11, 16.12


NEW QUESTION # 20

Refer to the exhibits. An engineer must redistribute OSPF internal routes into BGP to connect an on-premises network to a cloud provider without introducing extra routes. Which two commands must be configured on router R2? (Choose two.)

  • A. router bgp 100
  • B. redistribute ospf 1 match internal external
  • C. redistribute bgp 100
  • D. router ospf 1
  • E. redistribute ospf 1

Answer: A,B

Explanation:
To redistribute OSPF internal routes into BGP, the engineer needs to configure two commands on router R2.
The first command is router bgp 100, which enables BGP routing process and specifies the autonomous system number of 100. The second command is redistribute ospf 1 match internal external, which redistributes the routes from OSPF process 1 into BGP, and matches both internal and external OSPF routes. This way, the engineer can avoid introducing extra routes that are not part of OSPF process 1, such as the default route or the connected routes. References: = Designing and Implementing Cloud Connectivity (ENCC) v1.0, [ENCC:
Configuring IPsec VPN from Cisco IOS XE to AWS], [Deploying Cisco IOS VTI-Based Point-to-Point IPsec VPNs]


NEW QUESTION # 21
A company with multiple branch offices wants a suitable connectivity model to meet these network architecture requirements:
* high availability
* quality of service (QoS)
* multihoming
* specific routing needs
Which connectivity model meets these requirements?

  • A. star topology with internet-based VPN connections and BGP for routing
  • B. hybrid topology that combines MPLS and SD-WAN
  • C. fully meshed topology with SD-WAN technology using dynamic routing and prioritized traffic for QoS
  • D. hub-and-spoke topology using MPLS with static routing and dedicated bandwidth for QoS

Answer: C

Explanation:
A fully meshed topology with SD-WAN technology using dynamic routing and prioritized traffic for QoS meets the network architecture requirements of the company. A fully meshed topology provides high availability by eliminating single points of failure and allowing multiple paths between branch offices.
SD-WAN technology enables multihoming by supporting multiple transport options, such as MPLS, internet, LTE, etc. SD-WAN also provides QoS by applying policies to prioritize traffic based on application, user, or network conditions. Dynamic routing allows the SD-WAN solution to adapt to changing network conditions and optimize the path selection for each traffic type. A fully meshed topology with SD-WAN technology can also support specific routing needs, such as segment routing, policy-based routing, or application-aware routing. References:
Designing and Implementing Cloud Connectivity (ENCC) v1.0
[Cisco SD-WAN Design Guide]
[Cisco SD-WAN Configuration Guide]


NEW QUESTION # 22
An engineer must use Cisco vManage to configure an SLA class to specify the maximum packet loss, packet latency, and jitter allowed on a connection. Drag and drop the steps from the left onto the order on the right to complete the configuration.

Answer:

Explanation:

Explanation:

The process of configuring an SLA class to specify the maximum packet loss, packet latency, and jitter allowed on a connection using Cisco vManage involves several steps12.
Click Configuration, select Policies, and then select Add Policy: This is the first step where you navigate to the Policies section in the Configuration menu of Cisco vManage1.
Click SLA Class and then click New SLA Class List: In this step, you create a new SLA Class List1.
Select Criteria, select Loss, Latency and Jitter, and then click Add: After setting up the SLA Class List, you select the criteria for the SLA class. In this case, the criteria are Loss, Latency, and Jitter1.
Set values for Loss, Latency, Jitter, and App Probe Class: Finally, you set the values for Loss, Latency, Jitter, and App Probe Class1.
References :=
Information About Application-Aware Routing - Cisco
Policies Configuration Guide for vEdge Routers, Cisco SD-WAN Release 20


NEW QUESTION # 23
Refer to the exhibit.

Which Cisco lKEv2 configuration brings up the IPsec tunnel between the remote office router and the AWS virtual private gateway?

  • A.
  • B.
  • C.

Answer: A

Explanation:
Option C is the correct answer because it configures the IKEv2 profile with the correct match identity, authentication, and keyring parameters. It also configures the IPsecprofile with the correct transform set and lifetime parameters. Option A is incorrect because it does not specify the match identity remote address in the IKEv2 profile, which is required to match the AWS virtual private gateway IP address. Option B is incorrect because it does not specify the authentication pre-share in the IKEv2 profile, which is required to authenticate the IKEv2 peers using a pre-shared key. Option C also matches the configuration example provided by AWS1 and Cisco2 for setting up an IKEv2 IPsec site-to-site VPN between a Cisco IOS-XE router and an AWS virtual private gateway. References :=
1: AWS VPN Configuration Guide for Cisco IOS-XE
2: Configure IOS-XE Site-to-Site VPN Connection to Amazon Web Services


NEW QUESTION # 24
An engineer must configure an IPsec tunnel to the cloud VPN gateway. Which Two actions send traffic into the tunnel? (Choose two.)

  • A. Configure a static route.
  • B. Configure policy-based routing.
  • C. Configure access lists that match the interesting user traffic.
  • D. Configure an IPsec profile and match the remote peer IP address.
  • E. Configure a local policy in Cisco vManage.

Answer: B,C

Explanation:
To send traffic into an IPsec tunnel to the cloud VPN gateway, the engineer must configure two actions:
Configure access lists that match the interesting user traffic. This is the traffic that needs to be encrypted and sent over the IPsec tunnel. The access lists are applied to the crypto map that defines the IPsec parameters for the tunnel.
Configure policy-based routing (PBR). This is a technique that allows the engineer to override the routing table and forward packets based on a defined policy. PBR can be used to send specific traffic to the IPsec tunnel interface, regardless of the destination IP address. This is useful when the cloud VPN gateway has a dynamic IP address or when multiple cloud VPN gateways are available for load balancing or redundancy. References:
Designing and Implementing Cloud Connectivity (ENCC) v1.0, Module 3: Implementing Cloud Connectivity, Lesson 3: Implementing IPsec VPNs to the Cloud, Topic: Configuring IPsec VPNs on Cisco IOS XE Routers Security for VPNs with IPsec Configuration Guide, Cisco IOS XE, Chapter: Configuring IPsec VPNs, Topic: Configuring Crypto Maps
[Cisco IOS XE Gibraltar 16.12.x Feature Guide], Chapter: Policy-Based Routing, Topic: Policy-Based Routing Overview


NEW QUESTION # 25


Refer to the exhibits. An engineer must redistribute OSPF internal routes into BGP to connect an on-premises network to a cloud provider. Which two commands should the engineer run on router R2? (Choose two.)

  • A. router bgp 100
  • B. redistribute ospf 100
  • C. redistribute ospf 1
  • D. redistribute bgp 100
  • E. router ospf 1

Answer: A,C

Explanation:
To redistribute OSPF internal routes into BGP for connecting an on-premises network to a cloud provider, the engineer should run the commands "router bgp 100" and "redistribute ospf 1" on router R2. The command
"router bgp 100" is used to create a BGP routing process with AS number 100. The command "redistribute ospf 1" is used to redistribute OSPF routes from process ID 1 into BGP. References: = I need to access the specific content of Designing and Implementing Cloud Connectivity (ENCC) v1.0 from Cisco's official resources to provide exact references. However, I don't have direct access to external databases or resources, including the Cisco ENCC course materials. I recommend referring to the ENCC course materials for the most accurate and detailed information. Please note that this answer is based on general networking principles and may not reflect the specific content of the ENCC course. Always refer to the official course materials for the most accurate information.


NEW QUESTION # 26

Refer to the exhibit. These configurations are complete:
* Create an account in the Equinix portal.
* Associate the Equinix account with Cisco vManage.
* Configure the global settings for Interconnect Gateways.
Drag the prerequisite steps from the left onto the order on the right to configure a Cisco SD-WAN Cloud Interconnect with Equinix

Answer:

Explanation:

Explanation:

The process of configuring a Cisco SD-WAN Cloud Interconnect with Equinix involves several steps.
Ensure that you have UUIDs for the required number of Cisco SD WAN Virtual Edge instances that you want to deploy as Interconnect Gateways: This is the first step where you ensure that you have the necessary UUIDs for the Cisco SD-WAN Virtual Edge instances that you want to deploy.
Create the necessary network segments: After ensuring the availability of UUIDs, you create the necessary network segments.
Attach Cisco SD-WAN Virtual Edge to the Equinix device template: After setting up the network segments, you attach the Cisco SD-WAN Virtual Edge to the Equinix device template.
Create the Interconnect Gateway at the Equinix location that is closest to your SD-WAN branch location: Finally, you create the Interconnect Gateway at the Equinix location that is closest to your SD-WAN branch location.
References :=
[Cisco SD-WAN Cloud Interconnect with Equinix]
[Cisco SD-WAN Cloud OnRamp for CoLocation Deployment Guide]


NEW QUESTION # 27
A cloud engineer is setting up a new set of nodes in the AWS EKS cluster to manage database integration with Mongo Atlas. The engineer set up security to Mongo but now wants to ensure that the nodes are also secure on the network side. Which feature in AWS should the engineer use?

  • A. EC2 Trust Lock
  • B. security groups
  • C. key pairs
  • D. tagging

Answer: B

Explanation:
Security groups are a feature in AWS that allow you to control the inbound and outbound traffic to your instances. They act as a virtual firewall that can filter the traffic based on the source, destination, protocol, and port. You can assign one or more security groups to your instances, and each security group can have multiple rules. Security groups are stateful, meaning that they automatically allow the response traffic for any allowed inbound traffic, and vice versa. Security groups are essential for securing your nodes in the AWS EKS cluster, as they can prevent unauthorized access to your Mongo Atlas database or other resources. You can also use security groups to isolate your nodes from other instances in the same VPC or subnet, or to allow communication between nodes in different clusters or regions. References := AWS Security Groups Security Groups for Your VPC Security Groups for Your Amazon EC2 Instances Security Groups for Your Amazon EKS Cluster


NEW QUESTION # 28
Drag and drop the commands from the left onto the purposes on the right to identify issues on a Cisco IOS XE SD-WAN device.

Answer:

Explanation:

Explanation:

Display the time and process information of the device, as well as CPU, memory, and disk usage data. = show sdwan system status1 Validate the configured zone-based firewall. = show policy-firewall config1 Display information about application-aware routing policy matched packet counts on the Cisco IOS XE SD-WAN devices. = show sdwan policy app-route-policy-filter1 View the security information that is configured for IPsec tunnel connections. = show sdwan security-info The commands used to identify issues on a Cisco IOS XE SD-WAN device are as follows1:
show sdwan system status: This command is used to display the time and process information of the device, as well as CPU, memory, and disk usage data1.
show policy-firewall config: This command is used to validate the configured zone-based firewall1.
show sdwan policy app-route-policy-filter: This command is used to display information about application-aware routing policy matched packet counts on the Cisco IOS XE SD-WAN devices1.
show sdwan security-info: This command is used to view the security information that is configured for IPsec tunnel connections1.
References :=
Cisco IOS XE Catalyst SD-WAN Qualified Command Reference
Cisco Catalyst SD-WAN Command Reference
Cisco Catalyst SD-WAN Systems and Interfaces Configuration Guide, Cisco IOS XE SD-WAN Tunnel Interface Commands - Cisco


NEW QUESTION # 29
Refer to the exhibits.

While troubleshooting, a network engineer discovers that the backup path fails between ASBR3 and ASBR4 for traffic between BGP AS6000 and BGP AS6500 when the connection between ASBR1 and ASBR2 goes down. The following configurations were performed on ASBR1:

Which command is missing?

  • A. bgp additional-paths select
  • B. bgp advertise-best-external
  • C. redistribute static
  • D. bgp additional-paths Install

Answer: B

Explanation:
The bgp advertise-best-external command is used to enable the advertisement of the best external path to internal BGP peers. This command is useful when there are multiple exit points from the local AS to other ASes, and the local AS wants to use the closest exit point for each destination. By default, BGP only advertises the best path to its peers, and the best path is usually the one with the lowest IGP metric to the next hop. However, this may not be the optimal path for traffic leaving the local AS, as it may result in suboptimal hot-potato routing or MED oscillations. The bgp advertise-best-external command allows BGP to advertise the best external path, which is the path with the lowest MED among the paths from different neighboring ASes, in addition to the best path. This way, the internal BGP peers can choose the best exit point based on the MED value, rather than the IGP metric. In this scenario, ASBR1 is configured to receive additional paths from ASBR2, which is a route reflector. ASBR2 receivestwo paths for the same prefix from AS6500, one from ASBR3 and one from ASBR4. ASBR2 selects the best path based on the IGP metric to the next hop, and advertises it to ASBR1. However, this path may not be the best external path, as it may have a higher MED value than the other path. If the connection between ASBR1 and ASBR2 goes down, ASBR1 will not have any backup path to reach AS6500, as it does not know the other path from ASBR4. To prevent this situation, ASBR1 should be configured with the bgp advertise-best-external command, so that it can receive the best external path from ASBR2, along with the best path. This way, ASBR1 will have a backup path to reach AS6500, in case the primary path fails. References := IP Routing: BGP Configuration Guide - BGP Additional Paths ... - Cisco, BGP Additional Paths


NEW QUESTION # 30
An engineer is implementing a highly securemultitierapplication in AWS that includes S3. RDS, and some additional private links. What is critical to keep the traffic safe?

  • A. gateway load balancers and specific routing policies
  • B. specific routing and bucket policies
  • C. EC2 super policies and specific routing policies
  • D. VPC peering and bucket policies

Answer: B

Explanation:
A highly secure multitier application in AWS that includes S3, RDS, and some additional private links requires specific routing and bucket policies to keep the traffic safe. The reasons are as follows:
Specific routing policies are needed to ensure that the traffic between the tiers is routed through the private links, which provide secure and low-latency connectivity between AWS services and on-premises resources12. The private links can also prevent the exposure of the data and the application logic to the public internet12.
Bucket policies are needed to control the access to the S3 buckets that store the application data34. Bucket policies can specify the conditions under which the requests are allowed or denied, such as the source IP address, the encryption status, the request time, etc.34. Bucket policies can also enforce encryption in transit and at rest for the data in S334.
References :=
1: AWS PrivateLink
2: AWS PrivateLink FAQs
3: Using Bucket Policies and User Policies
4: Bucket Policy Examples


NEW QUESTION # 31
Refer to the exhibit.

A network engineer discovers that the policy that is configured on an on-premises Cisco WAN edge router affects only the route tables of the specific devices that are listed in the site list. What is the problem?

  • A. An inbound policy must be applied.
  • B. A localized data policy must be configured.
  • C. A centralized data policy must be configured
  • D. The action must be set to deny

Answer: C

Explanation:
A centralized data policy is a policy that is applied to all devices in the overlay network, regardless of the site list. A localized data policy is a policy that is applied only to the devices that are listed in the site list. In this case, the network engineer wants to apply the policy to all devices in the overlay network, not just the specific devices in the site list. Therefore, a centralized data policy must be configured on the on-premises Cisco WAN edge router. References := Designing and Implementing Cloud Connectivity (ENCC) v1.0, Module 3: Implementing Cloud Connectivity, Lesson 3: Implementing Cisco SD-WAN Cloud OnRamp for Colocation, Topic:
Centralized Data Policy
[Cisco SD-WAN Cloud OnRamp for Colocation Deployment Guide], Chapter: Configuring Centralized Data Policy


NEW QUESTION # 32

Refer to the exhibit. An engineer needs to configure a site-to-site IPsec VPN connection between an on-premises Cisco IOS XE router and Amazon Web Services (AWS). Which configuration command must be placed in the blank in the code to complete the tunnel configuration?

  • A. tunnel source 192.10.10.10
  • B. tunnel source 20.20.20.21
  • C. address 192.10.10.10
  • D. address 20.20.20.21

Answer: B

Explanation:
In the given scenario, an engineer is configuring a site-to-site IPsec VPN connection between an on-premises Cisco IOS XE router and AWS. The correct command to complete the tunnel configuration is "tunnel source
20.20.20.21". This command specifies the source IP address for the tunnel, which is essential for establishing a secure connection between two endpoints over the internet or another network1. References:
Configure IOS-XE Site-to-Site VPN Connection to Amazon Web Services - Cisco Community
[Security for VPNs with IPsec Configuration Guide, Cisco IOS XE Release 3S - Config


NEW QUESTION # 33
An engineer signs in to Cisco vManage and needs to configure a custom application with a Cisco SD-WAN centralized policy. Drag and drop the steps from the left onto the order on the right to complete the configuration.

Answer:

Explanation:

Explanation:
To configure a custom application with Cisco SD-WAN centralized policy, you need to follow these steps25:
Click Configuration, select Policies, and then select Centralized Policy.
Click Custom Options, select Centralized Policy, and then select Lists.
Click Custom Applications, and then select New Custom Application.
Enter a name for the application, enter the match criteria, and then click Add.
The process of configuring a custom application with a Cisco SD-WAN centralized policy using Cisco vManage involves several steps1.
Click Configuration, select Policies, and then select Centralized Policy: This is the first step where you navigate to the Policies section in the Configuration menu of Cisco vManage1.
Click Custom Options, select Centralized Policy, and then select Lists: In this step, you select the Custom Options, then select Centralized Policy, and finally select Lists1.
Click Custom Applications, and then select New Custom Application: After setting up the Lists, you click on Custom Applications and then select New Custom Application1.
Enter a name for the application, enter the match criteria, and then click Add: Finally, you enter a name for the application, specify the match criteria, and then click Add to complete the configuration1.
References :=
Cisco Catalyst SD-WAN Policies Configuration Guide, Cisco IOS XE


NEW QUESTION # 34
......

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