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Which consideration must be taken into account when using the DHCP relay feature in a Cisco SD-Access Architecture?
Answer: D
I think "A" is corret, Is true that OPTION 82 is used, however its a feature that is and should be automatically added by the FENs. Therefore the Relay-agent has to be the FEN Fabric Edge Node.
Source: Adapted from community discussion — kakito
Which function are fabric intermediate nodes responsible for in an SD-Access Architecture?
Answer: D
D is Corect: Intermediate nodes are part of the Layer 3 network used for interconnections among the devices operating in a fabric role such as the interconnections between border nodes and edge nodes. These interconnections are created in the Global Routing Table on the devices and is also known as the underlay network.
Source: Adapted from community discussion — Audie
Company A recently acquired another company. Users of the newly acquired company must be able to access a server that exists on Company A's network, both companies use overlapping IP address ranges. Which action conserves IP address space and provides access to the server?
Answer: A
Here's why: B. Use a single IP address to create a static NAT entry: It's not specific enough, create a Single IP Static NAT Entry of what ? it doesn't specify anything or say it's for the server and it needs to be very clear. C. Build one-to-one NAT translation for every user that needs access: This is not feasible, you are not going to create a Static NAT for every host so this is wrong. D. Re-IP overlapping address space in the acquired company: When you acquire a company with overlapping networks you want to try to avoid re-IP the entire network initially. The question also states you want to keep the same IP Subnet space which means you want to keep things as it is so a redo of IP Subnets is not an option. Leaves us with the only correct answer which is A. It can also be found on the OCG Book on page 15
Source: Adapted from community discussion — Clauster
How do endpoints inside an SD-Access network reach resources outside the fabric?
Answer: B
I think it's B. Not A; VN to another VN is not external to the fabric, so this is not what we need here. Could be B; your VN will be mapped to a VRF, and so providing access to networks outside the SDA. Not C; fabric to fabric; nope. Not D; fabric edge is device connecting clients, not providing external access (that's a border node's job).
Source: Adapted from community discussion — aai5548
When vEdge router redundancy is designed, which FHRP is supported?
Answer: D
CCNP Enterprise Design Official Cert Guide ENSLD 300-420 Chapter 11: SD-WAN Design page 357 “It can be accomplished by using VRRP from the switches infrastructure or Layer 3 routing from a Layer 3 switch or router.”
Source: Adapted from community discussion — iLikeHamburgers
What is the purpose of an edge node in an SD-Access network fabric?
Answer: A
Edge Node: "As soon as Endpoints gets connected to edge node, it gets added to Local tracking database often called as EID table of edge node. Now Edge node send the LISP MAP register message to inform control plane node about the endpoint so that control plane registers that EID in its HTDB." Source: https://www.dclessons.com/sd-access-solution-components
Source: Adapted from community discussion — Sickcnt
Which component of Cisco SD-Access integrates with Cisco DNA Center to perform policy segmentation and enforcement through the use of security group access control lists and security group tags?
Answer: C
Effectively, it's Cisco TrustSec - ISE is for identity context, authentication, posture validation, etc Cisco TrustSec - Security provided by Cisco TrustSec ® infrastructure (Security Group Tags [SGT], SGACLs) and Cisco segmentation capabilities (Cisco Locator/ID Separation Protocol [LISP], VXLAN, and Virtual Routing and Forwarding [VRF]). Identity context for users and devices, including authentication, posture validation, and device profiling, provided by the Cisco ISE. https://www.cisco.com/c/en/us/solutions/collateral/enterprise-networks/software-defined-access/nb-09-sda-faq-cte-en.html
Source: Adapted from community discussion — luisjuradoledesma
Which design element should an engineer consider when multicast is included in a Cisco SD-Access architecture?
Answer: D
Reference: https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2018/pdf/BRKEWN-2020.pdf Slide 113
Source: Adapted from community discussion — luisjuradoledesma
What is the role of a control-plane node in a Cisco SD-Access architecture?
Answer: B
Reference: https://netaavi.com/my-blog-1/f/overview-of-sda-fabric-solution
How is end-to-end microsegmentation enforced in a Cisco SD-Access architecture?
Answer: C
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