300-635 Dumps (2026) Prepare Your Exam With 136 Questions [Q79-Q93]

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300-635 Dumps (2026) Prepare Your Exam With 136 Questions

New 300-635 Dumps – Real Cisco Exam Questions

Cisco 300-635 exam comprises of various topics, such as infrastructure automation, network automation, ACI automation, and storage automation. 300-635 exam also covers the use of tools such as Cisco NX-OS, Cisco UCS, and Application Centric Infrastructure (ACI) to automate data center solutions. Credential seekers are also required to understand the components of programmable data center architectures, automated application deployment workflows, and management systems such as Ansible, Puppet, and Chef.

NEW QUESTION 79
A DevOps engineer wants their CI pipeline to automatically reject a pull request if a Python automation script does not conform to PEP 8 style and does not pass static type checks. Which combination of tools addresses both requirements?

`pytest` for style and `black` for type checking

`flake8` (or `pylint`) for PEP 8 style checking and `mypy` for static type checking

`ansible-lint` for both style and type checking

`git hooks` alone, without any external tooling

`flake8`/`pylint` are standard Python linters that check PEP 8 style compliance and common code-quality issues; `mypy` performs static type checking based on type hints (PEP 484). `black` is an auto-formatter, not a type checker (though it can be run alongside flake8). `ansible-lint` is specific to Ansible YAML/playbooks, not general Python code. This tests familiarity with the Python tooling ecosystem commonly referenced in DevNet/automation exams.

NEW QUESTION 80
While debugging the Nexus Dashboard Orchestrator (NDO) REST API with Postman or a Python script, an engineer sends a PUT request to update a Schema Template’s configuration and receives a 200 OK, but the policy is never actually deployed to the site. What step was most likely missed?

Forgetting to set the `Content-Type: application/json` header

Forgetting to separately call the “Deploy” API (e.g., `POST /mso/api/v1/execute/schema/{id}`), since a PUT on the Schema only updates the orchestrator’s desired-state definition and does not automatically trigger deployment to the site’s APIC

Forgetting to refresh the API authentication token

A heartbeat timeout between NDO and APIC

This is a classic pitfall in NDO API usage: updating a Schema (PUT /schemas/{id}) only modifies the “desired state” definition stored in the orchestrator’s database. Actually pushing that state to a specific site’s APIC requires a separate call to the **Deploy/Execute** API endpoint (corresponding to clicking “Deploy to Sites” in the GUI). Beginners often assume “update = effective immediately,” leading them to chase red herrings like auth or connectivity issues (Options A/C/D). Understanding the separation of “definition (desired state)” from “execution (deployment)” is a general orchestrator design pattern and an important IaC concept.

NEW QUESTION 81
Which two statements apply to authentication when using the Cisco Intersight API? (Choose two.)

An API Key is composed of a keyld and sessionCookie

Secret Key is only available at API Key creation time

An API Key is composed of a Key ID and Secret Key

Each API Key can be assigned specific roles but not privileges.

The user credentials for the cisco.com accounts are shared with the Cisco Intersight Web Service.

NEW QUESTION 82
When should the API Inspector be used?

to send an API request to the APIC

to learn or identify the sequence of API calls for a specific operation in the APIC GUI

to verify the XML structure of an object based on a specific operation in the APIC GUI

to launch an Ansible playbook

NEW QUESTION 83
Which Ansible playbook fragment returns the fewest queried ACI endpoint groups?

NEW QUESTION 84
Which two benefits of using network configuration tools such as Ansible and Puppet to automate data center platforms are valid? (Choose two.)

consistency of systems configuration

automation of repetitive tasks

ability to create device and interface groups

ability to add VLANs and routes per device

removal of network protocols such as Spanning Tree

NEW QUESTION 85
Refer to the exhibit. What results from the EEM script that runs on a Cisco Nexus 9000 switch?

Module 1 is reloaded if one of the specified console patterns occurs within 120 seconds.

Module 1 is reloaded if one of the specified syslog patterns occurs within 120 seconds.

Module 1 is reloaded if all of the specified syslog patterns occur within 120 seconds.

The message “reload module 1” is printed if one of the specified syslog patterns occurs within
120 seconds

NEW QUESTION 86
What is a key characteristic of an ACI policy model?

Logical and concrete domains are separated

All configuration is carried out against concrete entities

It allows communications with newly connected devices

Network administrators configure logical and physical system resources directly

In an ACI policy model, the separation of logical and concrete domains allows for the definition of policies in a logical space without specifying physical details. These policies can then be applied flexibly to the concrete entities, providing a clear abstraction layer for network configuration. References: Cisco ACI policy model documentation.

NEW QUESTION 87
Which two capabilities apply to the DCNM API? (Choose two)

DCNM provides an XML-based SOAP API

DCNM requires a license to use the API

Some features of DCNM must be configured through the GUI

All API operations can be performed using the DCNM GUI

DCNM provides a REST-based API

NEW QUESTION 88
Which two network protocols does Cisco NX-OS iPXE support? (Choose two.)

IPv6

SFTP

SSH

IPv4

UNFS

Cisco NX-OS iPXE supports both IPv4 and IPv6 network protocols. iPXE is an open-source network boot firmware that enhances the capabilities of the standard PXE by supporting additional protocols like HTTP and TFTP, which can operate over both IPv4 and IPv6 networks3.
References :=
* Cisco Nexus 9000 Series NX-OS Programmability Guide, Release 10.1 (x)3
* Zero Touch Provisioning Implementation and Troubleshooting Tips – Cisco4

NEW QUESTION 89
During the process of starting a Python network telemetry collector, which command starts the Cisco bigmuddy-network-telemetry-collector from GitHub?

model driven telemetry

telemetry_receiver.py –ip-address <addr> -port <port>

telemetry_receiver.py –destination <port> -uri <url>

streaming telemetry

Reference:
https://developer.cisco.com/codeexchange/github/repo/cisco/bigmuddy-network-telemetry-collector/#:~:text=8-,bigmuddy%2Dnetwork%2Dtelemetry%2Dcollector,use%20of%20the%20resulting%20data.

NEW QUESTION 90
Refer to the exhibit.

Which two actions does this Python code perform with the Cisco ACI? (Choose two.)

It creates a subnet “DevNet_Subnet” inside VRF “DevNet_VRF” located in ACI tenant “DevNet_Tenant” and sets the scope to “private”.

It creates a subnet “DevNet_Subnet” inside AppProfile “DevNet_App” located in ACI tenant
“DevNet_Tenant” and sets the network address to “10.10.10.1/24”.

It creates an EPG “DevNet_EPG” inside AppProfile “DevNet_App” located in ACI tenant “DevNet_Tenant” and link the EPG with BridgeDomain “DevNet_BD”.

It creates a subnet “DevNet_Subnet” inside VRF “DevNet_VRF” located in ACI tenant “DevNet_Tenant” and sets the network address to “10.10.10.1/24”.

It creates an EPG “DevNet_EPG” inside VRF “DevNet_VRF” located in ACI tenant “DevNet_Tenant” and link the EPG with BridgeDomain “DevNet_BD”.

Section: Controller Based Data Center Networking
Explanation

NEW QUESTION 91
Refer to the exhibit. Which change allows the code to configure VLAN 10 in the Cisco UCS?

Lines 8 and 9 should have a line continuation at the end.

Line 13 should include “handle.commit()”.

Line 4 should include transport 443 option.

Line 3 should add an import for query_dn.

NEW QUESTION 92
Drag and drop the items to complete the request to retrieve the current firmware of Cisco UCS devices from the Cisco Intersight API. Not all items are used.

Explanation

GET, firmware, RunningFirmwares

NEW QUESTION 93
An engineer uses Python’s `ncclient` library to push configuration to a Nexus 9000 over NETCONF. The script raises an `RPCError`, but device logs show the configuration was actually applied. Which of the following is the most likely root cause?

`edit-config` targeted `running` instead of `candidate`, and `commit` was never issued

The NETCONF session did not advertise the `:candidate` capability, so the target datastore has no candidate/commit model; the device applied the change directly to running, but returned an incompatible response to the subsequent `commit` RPC, which the client interpreted as an error

The ncclient version is incompatible with the NX-OS YANG models

The configuration payload used an undefined namespace prefix

This is the classic “config applied, client still errors” trap. If the device doesn’t support the candidate datastore, an `edit-config` against `running` takes effect immediately (NX-OS has no two-phase candidate/commit model by default). If the script logic still calls `commit()` assuming candidate support, the device returns an error for an RPC it doesn’t recognize in that context, and ncclient surfaces this as `RPCError` – even though the change already took effect. This tests understanding of the `<hello>` capability exchange in NETCONF.

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Cisco 300-635 exam consists of 60-70 questions that test candidates’ skills in design, deployment, and maintenance of automation solutions. The questions may be presented in various formats, including multiple choices and simulations. Candidates who pass 300-635 exam acquire the Cisco Certified DevNet Professional certification that validates their skills in designing and deploying automation solutions.

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