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Cisco CCNA Automation Practice Test

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Question 1 of 10

Objective Apply MAC-address and VLAN behavior Network Fundamentals (15%)

Clients in VLAN 10 must reach servers in VLAN 20. The access switches provide only Layer 2 switching. What additional function is required?

Concept tested:

Source:Cisco VLAN Configuration Guide

Question 2 of 10

Objective Use basic, token, and API-key authentication Understanding and Using APIs (20%)

A Meraki Python script currently hard-codes an API key in source control. Which change best improves credential handling without changing the API's authentication model?

Concept tested:

Question 3 of 10

Objective Distinguish management, data, and control planes Network Fundamentals (15%)

OSPF exchanges routing information and the router computes best paths that populate forwarding state. Which plane owns this routing-protocol logic?

Concept tested:

Question 4 of 10

Objective Compare private, public, hybrid, and edge deployment models Application Deployment and Security (15%)

A bank must run a regulated application on infrastructure dedicated to the organization inside its controlled datacenters. Which deployment model best matches?

Concept tested:

Question 5 of 10

Objective Apply MVC and Observer design patterns Software Development and Design (15%)

A team wants to add a second user interface to an automation service without rewriting device-state logic. Which design choice most closely uses MVC's advantage?

Concept tested:

Question 6 of 10

Objective Design application CI/CD components Application Deployment and Security (15%)

A CI pipeline receives a pull request for a Python service. Which stage should run earliest to reject obvious defects before producing a deployable artifact?

Concept tested:

Question 7 of 10

Objective Apply model-driven programmability to infrastructure automation Infrastructure and Automation (20%)

A YANG model restricts an MTU leaf to a defined range. Why is that useful to an automation system?

Concept tested:

Question 8 of 10

Objective Select Cisco compute-management platform APIs Cisco Platforms and Development (15%)

An Intersight client must iterate through a large collection of managed objects. Which implementation concern should the developer confirm in the API reference?

Concept tested:

Question 9 of 10

Objective Compare agile, lean, and waterfall methods Software Development and Design (15%)

A compliance-driven project has a fixed contract, stable requirements, formal phase-gate approvals, and a mandated sequence of design, implementation, verification, and release. Which method is the closest fit?

Concept tested:

Question 10 of 10

Objective Interpret a unified diff Infrastructure and Automation (20%)

A diff hunk header is `@@ -20,3 +20,4 @@`. What is the key interpretation?

Concept tested:

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Cheat Sheets

Question 1 Clients in VLAN 10 must reach servers in VLAN 20. The access switches provide only Layer 2 switching. What additional function is required?

Answer choices

A. Layer 3 routing between the VLAN 10 and VLAN 20 IP subnets, using a router or Layer 3 switch.
B. A larger Layer 2 MAC table only.
C. A trunk alone with no Layer 3 interface or route.
D. An NTP server connected to both switches.

Correct answer

Layer 3 routing between the VLAN 10 and VLAN 20 IP subnets, using a router or Layer 3 switch.

VLANs are separate Layer 2 broadcast domains. Communication between their IP subnets therefore requires a Layer 3 forwarding function, typically SVIs on a Layer 3 switch or router interfaces.

Wrong-answer review

B. A larger Layer 2 MAC table only.: More MAC capacity does not route packets between separate VLAN broadcast domains.
C. A trunk alone with no Layer 3 interface or route.: A trunk transports VLAN traffic but does not itself route between VLANs.
D. An NTP server connected to both switches.: Time synchronization does not provide inter-VLAN packet forwarding.

Extra learning features

Why candidates miss this

This item is easy to miss when expecting Layer 2 switching alone to cross a VLAN boundary. The decisive clue is that a Layer 3 switch SVI, router, or other gateway must route between VLAN 10 and VLAN 20. Likely wrong answer: A larger Layer 2 MAC table only. Review focus: CCNAAUTO exam topics

Why this matters

VLANs create separate Layer 2 broadcast domains. Inter-VLAN reachability therefore requires a Layer 3 gateway, which is the control point for routing and policy between the two networks.

Objective/domain: Network Fundamentals (15%)

Question 2 A Meraki Python script currently hard-codes an API key in source control. Which change best improves credential handling without changing the API's authentication model?

A. Hash the key and send only the hash to the Dashboard API.
B. Base64-encode the key and commit the encoded value instead.
C. Place the key in every request URL so it is easier to troubleshoot.
D. Load the key from a protected environment or secrets provider and continue sending it as a Bearer credential.

Load the key from a protected environment or secrets provider and continue sending it as a Bearer credential.

Objective/domain: Understanding and Using APIs (20%)

Source: Meraki Dashboard API v1 - Authorization

Question 3 OSPF exchanges routing information and the router computes best paths that populate forwarding state. Which plane owns this routing-protocol logic?

A. The data plane only.
B. The management plane only.
C. The load-balancing plane.
D. The control plane.

The control plane.

Source: Cisco - Principles of Secure Operations

Question 4 A bank must run a regulated application on infrastructure dedicated to the organization inside its controlled datacenters. Which deployment model best matches?

A. Private cloud.
B. Public cloud shared service by definition, regardless of tenant isolation.
C. Edge only, because all private clouds must be located in branch offices.
D. Hybrid cloud, even though no public-cloud component is present.

Private cloud.

Objective/domain: Application Deployment and Security (15%)

Source: Cisco - What Is Cloud Computing?

Question 5 A team wants to add a second user interface to an automation service without rewriting device-state logic. Which design choice most closely uses MVC's advantage?

A. Keep device-state logic in the model and provide a separate view for the new interface.
B. Duplicate the device-state logic inside each user interface.
C. Move the data model into browser styling rules.
D. Remove the controller layer and let every view modify persistent model data directly during rendering.

Keep device-state logic in the model and provide a separate view for the new interface.

Objective/domain: Software Development and Design (15%)

Source: Microsoft Learn - ASP.NET Core MVC

Question 6 A CI pipeline receives a pull request for a Python service. Which stage should run earliest to reject obvious defects before producing a deployable artifact?

A. Production deployment before tests so failures reflect the real environment.
B. Manual rollback preparation only, with no automated verification.
C. Automated linting and unit tests against the proposed change.
D. DNS failover after the change reaches production.

Automated linting and unit tests against the proposed change.

Source: Cisco - What Is DevOps?

Question 7 A YANG model restricts an MTU leaf to a defined range. Why is that useful to an automation system?

A. Force the value into device configuration even when the modeled schema reports that the value violates its declared constraint.
B. The schema gives the client/server a machine-readable constraint that can reject invalid values consistently.
C. It converts the MTU automatically into a DNS name.
D. It eliminates the need to choose the correct datastore or operation.

The schema gives the client/server a machine-readable constraint that can reject invalid values consistently.

Objective/domain: Infrastructure and Automation (20%)

Source: YANG 1.1 Data Modeling Language (RFC 7950)

Question 8 An Intersight client must iterate through a large collection of managed objects. Which implementation concern should the developer confirm in the API reference?

A. The switch spanning-tree root priority.
B. The desktop browser's font size.
C. The documented pagination parameters and continuation behavior for that collection.
D. The NETCONF SSH subsystem port.

The documented pagination parameters and continuation behavior for that collection.

Objective/domain: Cisco Platforms and Development (15%)

Source: Cisco Intersight API Documentation

Question 9 A compliance-driven project has a fixed contract, stable requirements, formal phase-gate approvals, and a mandated sequence of design, implementation, verification, and release. Which method is the closest fit?

A. A continuously reprioritized agile backlog with no fixed phase gates.
B. A production experiment in which features are changed daily without formal verification.
C. A waterfall-style lifecycle with sequential phase completion.
D. An event-driven webhook architecture.

A waterfall-style lifecycle with sequential phase completion.

Source: IBM - Software Development Lifecycle (SDLC)

Question 10 A diff hunk header is `@@ -20,3 +20,4 @@`. What is the key interpretation?

A. The repository has exactly 20 files before and after the change.
B. The diff contains a network prefix from /3 to /4.
C. The hunk automatically resolves any merge conflict in those lines.
D. The hunk compares content around old line 20 and new line 20, with the new side containing one additional line in that range.

The hunk compares content around old line 20 and new line 20, with the new side containing one additional line in that range.

Source: Git Reference

Cisco CCNA Automation Practice Test

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What you get with free practice

Clients in VLAN 10 must reach servers in VLAN 20. The access switches provide only Layer 2 switching. What additional function is required?

A Meraki Python script currently hard-codes an API key in source control. Which change best improves credential handling without changing the API's authentication model?

OSPF exchanges routing information and the router computes best paths that populate forwarding state. Which plane owns this routing-protocol logic?

A bank must run a regulated application on infrastructure dedicated to the organization inside its controlled datacenters. Which deployment model best matches?

A team wants to add a second user interface to an automation service without rewriting device-state logic. Which design choice most closely uses MVC's advantage?

A CI pipeline receives a pull request for a Python service. Which stage should run earliest to reject obvious defects before producing a deployable artifact?

A YANG model restricts an MTU leaf to a defined range. Why is that useful to an automation system?

An Intersight client must iterate through a large collection of managed objects. Which implementation concern should the developer confirm in the API reference?

A compliance-driven project has a fixed contract, stable requirements, formal phase-gate approvals, and a mandated sequence of design, implementation, verification, and release. Which method is the closest fit?

A diff hunk header is `@@ -20,3 +20,4 @@`. What is the key interpretation?

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