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Cisco 350-401 Exam - Topic 1 Question 5 Discussion

Which statement about TLS is true when using RESTCONF to write configurations on network devices?
A) It is provided using NGINX acting as a proxy web server.
B) It is no supported on Cisco devices.
C) It required certificates for authentication.
D) It is used for HTTP and HTTPs requests.

Cisco 350-401 Exam - Topic 1 Question 5 Discussion

Actual exam question for Cisco's 350-401 exam
Question #: 5
Topic #: 1
[All 350-401 Questions]

Which statement about TLS is true when using RESTCONF to write configurations on network devices?

Show Suggested Answer Hide Answer
Suggested Answer: A

When a device boots up with the startup configuration, the nginx process will be running. NGINX

is an internal webserver that acts as a proxy webserver. It provides Transport Layer

Security (TLS)-based HTTPS. RESTCONF request sent via HTTPS is first received by the NGINX

proxy web server, and the request is transferred to the confd web server for further

syntax/semantics check.


ios/prog/configuration/168/b_168_programmability_cg/RESTCONF.html

The https-based protocol-RESTCONF (RFC 8040), which is a stateless protocol, uses secure HTTP

methods to provide CREATE, READ, UPDATE and DELETE (CRUD) operations on a conceptual

datastore containing YANG-defined data -> RESTCONF only uses HTTPs.

by Lizette at May 04, 2022, 06:02 AM

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Fabiola
10 months ago
A is misleading, NGINX isn't the only way to implement TLS.
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Lauran
10 months ago
Wait, is it really not supported on Cisco devices?
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Patti
11 months ago
Agree, C is the correct answer!
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Jenise
11 months ago
I thought TLS was only for HTTPS, not HTTP?
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Fannie
11 months ago
TLS definitely requires certificates for authentication.
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Isaiah
11 months ago
Option B seems promising - using Route 53 weighted routing to distribute the load across the new CloudFormation stack. That could be a good way to safely roll out the new version.
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Kyoko
11 months ago
Hmm, I'm a bit unsure about some of these rules. I'll need to review the DRM documentation to refresh my memory.
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Henriette
11 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about the differences between the ordinal, interval, and ratio data levels.
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Nana
11 months ago
I'm a bit confused on this one. Without any port-access roles configured, I'm not sure what the authenticator would allow. Maybe it's just RADIUS traffic? Or DHCP and DNS? Hmm, I'll have to think it through step-by-step.
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Judy
11 months ago
I think non-normalized carbon steel might not have an endurance limit, but I'm not completely sure.
upvoted 0 times
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Tijuana
11 months ago
I feel pretty good about this question. The instructions are clear, and the options provided seem straightforward. I think I can systematically go through the choices and identify the three correct actions to automatically create the purchase order for the stereo receiver.
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