Developing Applications using Cisco Core Platforms and APIs (DEVCOR)385 questions across 39 pages are complete and free, with no account or card.
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Refer to the exhibit. What is the output of this IOS-XE configuration program?
Answer: B
This question is totally broken. I'm looking at the ietf-interfaces module tree and both the admin and oper statuses of the interface are nested in: ietf-interfaces:interfaces-state/interface[name], not under 'ietf-interfaces:interfaces/interface[name]' like the exhibit shows. Am I missing something?
Source: Adapted from community discussion — jinck
Which database type should be used to store data received from model-driven telemetry?
Answer: B
I'll Go with B on this one. A time series database is a software system that is optimized for storing and serving time series through associated pairs of time and value. In some fields, time series may be called profiles, curves, traces or trends.
Source: Adapted from community discussion — blezzzo
DRAG DROP -
Refer to the exhibit. Drag and drop parts of the URL from the left onto the item numbers on the right that match the missing sections in the exhibit to create the appropriate RESTCONF URL to query the VLAN configuration given this YANG model. Not all URL parts are used. Select and Place:
This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.
Answer: See figure below
side note - I think in 'real life' it's /restconf/data/ios-xe-native:native/vlan (https://ultraconfig.com.au/blog/restconf-tutorial-everything-you-need-to-know-about-restconf-in-2020/) - and also I've done this a few times from devnet site. Maybe it says that on the real test??
Source: Adapted from community discussion — flambadone
A heterogeneous network of vendors and device types needs automating for better efficiency and to enable future automated testing. The network consists of switches, routers, firewalls and load balancers from different vendors, however they all support the NETCONF/RESTCONF configuration standards and the YAML models with every feature the business requires. The business is looking for a buy versus build solution because they cannot dedicate engineering resources, and they need configuration diff and rollback functionality from day 1. Which configuration management for automation tooling is needed for this solution?
Answer: C
This is where Cisco rubs "hypocrite" on our faces! I doubt anyone thinks NSO is good for anything other than Cisco (and maybe not even that), however, because this is a Cisco certification, you kind of have to concede that whatever Cisco offering is the best option out there... So yeah, pick NSO and shut up.
Source: Adapted from community discussion — __al__
What are two advantages of using model-driven telemetry, such as gRPC, instead of traditional telemetry gathering methods? (Choose two.)
Answer: CE
C and E are correct related to gathering methods. But D is correct since streamed messages are sent as data on an existing HTTP/2 request and eliminates the overhead of creating a new HTTP/2 request for each unary call.
Source: Adapted from community discussion — designated
What is a consideration for using gRPC as the model-driven telemetry protocol on a Cisco IOS XE device?
Answer: C
DRAG DROP -
Refer to the exhibit. Drag and drop the steps from the left into the correct order of operation on the right for a successful OAuth2 three-legged authorization code grant flow. Select and Place:
This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.
Answer: See figure below
1. Client initiates the flow 2. The authorization server authenticates the resource owner 3. The authorization server redirects the user-agent back to the client using the redirection URI provided 4. The client requests an access token from the authorization server's token endpoint 5. The authorization server authenticates the client, validates details send, and responds with an access token Resource: Official Cisco DEVOR 350-901 Study Guide, Page 68
Source: Adapted from community discussion — duracell
DRAG DROP - A Python application is being written to run inside a Cisco IOS XE device to assist with gathering telemetry data. Drag and drop the elements of the stack from the left onto the functions on the right to collect and display the telemetry streaming data. Select and Place:
This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.
Answer: See figure below
What is the gRPC Network Management Interface protocol?
Answer: C
Never mind, The DELL doc is clear in this. gNMI uses the gRPC framework to enable telemetry and configuration management of devhttps://www.examtopics.com/exams/cisco/350-901/view/36/#ices.
Source: Adapted from community discussion — tswinn
Which two gRPC modes of model-driven telemetry are supported on Cisco IOS XE Software? (Choose two.)
Answer: AB
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