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350-701 Practice Question: Deploying Cisco Umbrella to protect against…
A company is deploying Cisco Umbrella to protect against DNS-based threats. Which deployment method provides the most comprehensive coverage for all devices on the network without requiring per-device configuration?
⚠ Common exam trap
Cisco often tests the distinction between endpoint-based and network-based deployment methods, and the trap here is that candidates assume the roaming client (Option A) provides the most comprehensive coverage, when in fact network-level DNS forwarding covers all devices without per-device configuration.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure the network's DNS forwarders to point to Umbrella's DNS resolvers.
Configuring the network's DNS forwarders to point to Umbrella's DNS resolvers (typically on the organization's DHCP server or router) ensures that all DNS queries from any device on the network are automatically forwarded to Umbrella for filtering, without requiring any per-device configuration. This method provides comprehensive coverage for all devices, including those that cannot run agents (e.g., IoT devices, printers, guest devices), by intercepting DNS traffic at the network level.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Install the Umbrella roaming client on every endpoint.
Why it's wrong here
Requires per-device installation and may not cover all devices.
- ✗
Configure each device's DNS settings to use Umbrella's resolvers.
Why it's wrong here
Requires per-device configuration and may not be feasible for many devices.
- ✗
Deploy a PAC file that routes all traffic through a proxy with DNS filtering.
Why it's wrong here
Only covers devices that use the proxy and may not cover all traffic.
- ✓
Configure the network's DNS forwarders to point to Umbrella's DNS resolvers.
Why this is correct
Covers all devices using the network's DNS.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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