300-440 Exam Dumps and Practice Questions

According to the FedRAMP Authorization Boundary Guidance document1, the method used to create authorization boundary diagrams (ABDs) is to identify all tools as either external or internal to the boundary. The ABD is a visual representation of the components that make up the authorization boundary, which includes all technologies, external and internal services, and leveraged systems and accounts for all federal information, data, and metadata that a Cloud Service Offering (CSO) is responsible for.The ABD should illustrate a CSP's scope of control over the system and show components or services that are leveraged from external services or controlled by the customer1.The other options are incorrect because they do not capture the full scope and details of the authorization boundary as required by FedRAMP.Reference:= FedRAMP Authorization Boundary Guidance document1

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.Reference:=

AWS Security Groups

Security Groups for Your VPC

Security Groups for Your Amazon EC2 Instances

Security Groups for Your Amazon EKS Cluster

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 receives two 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.Reference:=IP Routing: BGP Configuration Guide - BGP Additional Paths ... - Cisco,BGP Additional Paths

A centralized internet gateway is a network design that routes all internet-bound traffic from the on-premises infrastructure through a single point of egress, typically located at the data center or a regional hub1.This approach allows the enterprise to apply consistent security policies and access controls for SaaS applications, as well as optimize the bandwidth utilization and performance of the WAN links2.A centralized internet gateway can use various technologies to provide connectivity to SaaS applications, such as proxy servers, firewalls, web filters, and WAN optimizers3.However, a cloud-based proxy server (option A) is not a part of the centralized internet gateway, but rather a separate service that can be used to route traffic from the on-premises infrastructure to the SaaS provider data center4.VPN connections (option C) and dedicated, private connections (option D) are also not related to the centralized internet gateway, but rather alternative ways of providing secure and reliable access to SaaS applications from the on-premises infrastructure5.Therefore, the correct answer is option B, which describes the basic function of a centralized internet gateway.Reference:=1: Designing and Implementing Cloud Connectivity (ENCC) v1.0, Module 1: Cloud Connectivity Overview, Lesson 1: Cloud Connectivity Concepts, Topic: Centralized Internet Gateway2: Cloud OnRamp for SaaS, Cisco IOS XE Catalyst SD-WAN Release 17.3.1a and Later, Topic: Centralized Internet Gateway3: Architect and optimize your internet traffic with Azure routing preference, Microsoft Azure Blog, Topic: Routing via the premium Microsoft global network4: What is SaaS?Software as a Service, Microsoft Azure, Topic: How SaaS works5: How an application gateway works, Microsoft Learn, Topic: Application gateway components

The problem is that the site-list ''All-Site'' has a higher match sequence than the site-list ''Hub'', which means that the policy for ''All-Site'' will take precedence over the policy for ''Hub'' for any site that belongs to both lists. This creates a conflict and prevents the engineer from adding a new centralized control policy in Cisco vManage. To resolve this issue, the site-list ''All-Site'' should be configured with a new match sequence that is lower than the sequence for site-list ''Hub'', so that the policy for ''Hub'' will be applied first and then the policy for ''All-Site'' will be applied only to the remaining sites that are not in the ''Hub'' list.Reference:=

Designing and Implementing Cloud Connectivity (ENCC, Track 1 of 5), Module 3: Cisco SD-WAN Cloud OnRamp for Colocation, Lesson 3: Cisco SD-WAN Cloud OnRamp for Colocation - Centralized Control Policies

Cisco SD-WAN Cloud OnRamp for Colocation Deployment Guide, Chapter 4: Configuring Centralized Control Policies

Cisco SD-WAN Configuration Guide, Release 20.3, Chapter: Centralized Policy Framework, Section: Policy Configuration Overview