How many Hard Difficulty Questions questions are on this page?

This page has 20 Hard Difficulty Questions scenario questions for the CLCOR exam, each with detailed explanations and wrong-answer analysis.

How should I approach CLCOR scenario questions?

Read the full scenario before looking at the answer options. Identify the constraint or requirement in the scenario, then eliminate options that are generally true but wrong for this specific case. Scenario questions reward careful reading over pattern matching.

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Hard Difficulty Questions

Practise Cisco Implementing Cisco Collaboration Core Technologies (CLCOR, 350-801, v2.0 blueprint, CCNP Collaboration) (CLCOR) practice questions — original exam-style scenarios covering every exam domain, with detailed explanations, wrong-answer analysis, and common exam traps.

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Scenario guide

How to approach hard difficulty questions

These are the questions most candidates get wrong. They require connecting multiple concepts, reading tricky output, or knowing edge-case behaviour that isn't on most study cards. Practising them trains you to operate under uncertainty — a necessary skill on the real exam.

Quick answer

Hard Difficulty Questions questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Practice scenarios

Question 1hardmulti select

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Which THREE items are included in a standard SIP REGISTER request?

A
Alert-Info
Why wrong: Optional header for ringtone.
B
To Header
Target user/address.
C
Body (SDP)
Why wrong: Not required for simple registration.
D
From Header
Originating user/address.
E
Contact Header
Location for incoming calls.

Hard Difficulty Questions

How to approach hard difficulty questions

Quick answer

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Practice scenarios

Which THREE items are included in a standard SIP REGISTER request?

A CUBE is configured for H.450.3 call forwarding, but it is not working. What is the most likely cause?

A CUBE is receiving calls but rejecting them due to '488 Not Acceptable Here'. What is the most likely reason?

Which THREE commands are used to configure a SIP profile in CUBE?

Which THREE of the following are required for the successful operation of the Webex Hybrid Calendar service? (Choose three)

When configuring Hybrid Call Service for Cisco Unified Communications Manager, which specific requirement must be met for the Expressway-C and Expressway-E pair?

When troubleshooting a Hybrid Service, you need to collect 'Diagnostic Logs'. Where do you download these from?

Which THREE of the following items are verified during the Webex Hybrid Service connector installation? (Choose three)

You are deploying a CUBE (Cisco Unified Border Element) for SIP trunking. Which feature allows CUBE to hide the internal network topology from the service provider?

You are configuring DNS SRV records to support Jabber service discovery. Which domain format is correct for the _collab-edge._tls record?

Which THREE of the following troubleshooting steps should be performed if a Webex Hybrid connector is showing 'Down' in Control Hub? (Choose three)

An administrator is troubleshooting a failed Hybrid Calendar setup. The 'Connector' shows as 'Down' in Control Hub. What is the most likely reason?

You need to ensure that the Webex App can perform 'Click-to-Call' from a browser. What must be installed on the user's machine?

You are designing a high availability solution for Cisco Unity Connection. Which service must be running and correctly configured on both the primary and secondary servers to facilitate automatic failover?

When troubleshooting Webex Calling, which THREE factors are critical for maintaining call quality over a hybrid network?

Which THREE of the following are recommended steps when designing a secure signaling path between CUCM and a CUBE gateway?

You are troubleshooting high latency for Webex media. Which tool in Control Hub provides the best visibility into the path taken by the media packets?

You are implementing Webex Calling with a Local Gateway. The requirement is to maintain internal dial plan transparency for existing extension-to-extension dialing. What must you configure?

Which THREE components are involved in the Webex Hybrid Media Service architecture?

You are designing a high-availability solution for Cisco Expressway. Which element is required to load-balance traffic between multiple Expressway nodes?