Which two practices most improve safety when automating network changes? (Choose two.)
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Best answer
Testing changes in a lab or staging environment first
Correct. Predeployment testing reduces production risk.
Distractor review
Running scripts directly in production without validation
That increases risk, not safety.
Best answer
Using version control and peer review for automation code
Correct. Those practices improve traceability and quality.
Distractor review
Disabling backups so changes apply faster
Removing backups makes change risk worse.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is selecting options that suggest running automation scripts directly in production or disabling backups to speed up changes. Candidates might mistakenly believe that automation inherently reduces risk and that skipping validation or backups saves time. However, this approach ignores the critical need for testing and recovery mechanisms. Without testing in a lab environment, scripts may contain errors that cause outages. Disabling backups removes the ability to revert changes, increasing downtime risk. The exam tests understanding that safety in automation comes from controlled, validated, and reversible processes, not from rushing changes or removing safeguards.
Technical deep dive
How to think about this question
Automation in Cisco networking involves using scripts and tools to configure devices, deploy changes, and manage network operations efficiently. This reduces manual errors and speeds up repetitive tasks. However, automation introduces risks if changes are applied directly to production without validation, potentially causing outages or misconfigurations. Testing changes in a lab or staging environment first allows network engineers to verify scripts and configurations against a controlled setup that mimics production, ensuring that automation behaves as expected before impacting live devices. Using version control systems like Git for automation code enables tracking of all changes, facilitating peer reviews and rollback if needed. Peer review improves code quality by catching errors or unsafe commands before deployment. This practice aligns with Cisco’s recommended automation workflows, which emphasize controlled, auditable, and repeatable network changes. Together, testing in a lab and version control with peer review form a safety net that prevents faulty automation from disrupting critical network services. A common exam trap is assuming that running scripts directly in production without validation is safe because automation is supposed to reduce errors. In reality, skipping testing and version control increases risk, as untested scripts can cause outages or security issues. Disabling backups to speed up changes is also risky because it removes the ability to restore previous configurations after failure. Practical Cisco network operations always include staged testing, version control, and backups to maintain network stability and security during automation.
KKey Concepts to Remember
- Testing network automation scripts in a lab or staging environment first reduces the risk of introducing errors into production devices.
- Version control systems track changes in automation code, enabling rollback and improving change traceability in Cisco network environments.
- Peer review of automation scripts helps identify potential errors and unsafe commands before deployment, enhancing network safety.
- Running automation scripts directly in production without prior validation increases the likelihood of network outages and misconfigurations.
- Disabling backups before applying network changes removes the safety net needed to restore configurations after failed automation.
- Cisco automation best practices include staged testing, version control, and peer review to ensure reliable and secure network changes.
- Automation reduces manual configuration errors but requires disciplined validation processes to maintain network stability.
- Safe network automation practices prevent unintended disruptions and support compliance with Cisco’s operational standards.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Related practice questions
Related 200-301 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
CCNA subnetting practice questions
Practise IPv4 subnetting, CIDR, masks, host ranges and subnet selection.
CCNA OSPF practice questions
Practise OSPF neighbours, router IDs, metrics, areas and routing-table interpretation.
CCNA VLAN practice questions
Practise VLANs, access ports, trunks, allowed VLANs and switching scenarios.
CCNA STP practice questions
Practise spanning tree, root bridge election, port roles and STP troubleshooting.
CCNA EtherChannel practice questions
Practise LACP, PAgP, port-channel behaviour and bundle requirements.
CCNA ACL practice questions
Practise standard and extended ACLs, permit/deny logic and traffic filtering.
CCNA NAT practice questions
Practise static NAT, dynamic NAT, PAT and inside/outside address translation.
CCNA DHCP practice questions
Practise DHCP scopes, relay, leases and troubleshooting.
CCNA show ip route practice questions
Practise routing-table output, longest-prefix match, AD and route selection.
CCNA show interfaces trunk practice questions
Practise trunk verification and VLAN forwarding across switches.
CCNA wireless security practice questions
Practise WLAN security, authentication and wireless architecture concepts.
CCNA IPv6 practice questions
Practise IPv6 addressing, routes, neighbour discovery and common IPv6 exam traps.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
What is the OSPF metric called?
Question 4
A non-root switch has two uplinks toward the root bridge. One path has a lower total STP cost than the other. What role will the lower-cost uplink have?
Question 5
A router interface applies this ACL inbound: 10 deny tcp any any eq 80 20 permit ip any any A user reports that web browsing to a server by IP address fails, but ping works. Which statement best explains the behavior?
Question 6
A router learns route 198.51.100.0/24 from OSPF with AD 110 and also has a static route to the same prefix configured with AD 150. Which route is installed?
FAQ
Questions learners often ask
What does this 200-301 question test?
Testing network automation scripts in a lab or staging environment first reduces the risk of introducing errors into production devices.
What is the correct answer to this question?
The correct answer is: Testing changes in a lab or staging environment first — Testing and validation reduce risk before wide deployment, and version control with review/rollback supports controlled operations.
What should I do if I get this 200-301 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
Sign in to join the discussion.