CCIE Collaboration Written: 400-051 Exam
"CCIE Collaboration Written", also known as 400-051 exam, is a Cisco Certification. With the complete collection of questions and answers, PrepAwayPDF has assembled to take you through 660 Q&As to your 400-051 Exam preparation. In the 400-051 exam resources, you will cover every field and category in CCIE Certification helping to ready you for your successful Cisco Certification.
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Cisco 400-051 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | CCIE Collaboration Written Exam |
| Exam Number: | 400-051 |
| Exam Price: | $450 USD |
| Certificate Validity Period: | Written exam valid for 18 months |
| Exam Duration: | 120 minutes |
| Passing Score: | Scaled score (not publicly disclosed) |
| Available Languages: | English |
| Exam Format: | Multiple choice single/multiple answer, Drag and drop, Scenario-based |
| Real Exam Qty: | 90–110 |
| Recommended Training: | CCIE Collaboration Learning Path Cisco Official Training |
| Exam Registration: | Cisco Official Exam Page Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended 5–7 years of experience in collaboration technologies |
| Official Syllabus URL: | https://www.cisco.com/c/dam/en_us/training-events/le31/le46/cln/marketing/exam-topics/ccie-collab-v2_0-etv1_1.pdf |
Cisco 400-051 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cisco Expressway and Border Elements | 18% | - Security and firewall traversal - Traversal zones and call control - Expressway core and edge deployment |
| Topic 2: Collaboration Applications and Endpoints | 15% | - Cisco IM and Presence - Cisco Unity Connection - Webex integration - Video endpoints and conferencing |
| Topic 3: Evolving Technologies | 10% | - Network programmability - Hybrid architecture - Cloud collaboration solutions |
| Topic 4: Quality of Service | 10% | - Queuing and congestion management - Bandwidth and delay optimization - QoS models and classification |
| Topic 5: Gateways and Media Resources | 15% | - ISDN, SIP and analog interfaces - DSP resources and media services - Voice and video gateways |
| Topic 6: Cisco Unified Communications Manager | 20% | - Device configuration and registration - Security and serviceability - Architecture and redundancy - Dial plan and call routing |
| Topic 7: Protocols and APIs | 12% | - Signaling and media protocols - Collaboration APIs and management interfaces |
Questions Candidates Ask About the Cisco CCIE Collaboration Written
Plan on needing Scaled score (not publicly disclosed) to pass the 400-051 exam, and budget $450 USD for the official registration. Treat that fee as single-use: a failed attempt means paying the same amount again for a retake. The cheapest insurance policy is preparation — cycle through the 660 practice questions at PrepAwayPDF until your timed mock results clear the passing mark consistently, and only then schedule your exam.
For the Cisco CCIE Collaboration Written, Cisco points candidates toward these resources:
Training builds the foundation; deliberate practice builds the pass. Layer the 660 practice questions from PrepAwayPDF on top of any course above, and you cover theory and execution in one plan.
The Cisco CCIE Collaboration Written blueprint spans 7 domains. The heaviest hitters include Protocols and APIs (12%), Evolving Technologies (10%), and Cisco Expressway and Border Elements (18%). The complete breakdown — every domain and subtopic — is laid out in the syllabus section above, and that is the map your study sessions should follow.
Expect 90–110 questions and 120 minutes on the clock for the 400-051 exam. Time management is a skill of its own here: candidates who untimed-study often discover the real pressure only when the countdown starts. Build that muscle memory early — run full timed simulations in the PrepAwayPDF desktop or online test engine, practice flagging and skipping, and let pacing become reflex before exam day.
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Formally known as the CCIE Collaboration Written, the 400-051 exam is Cisco's way of certifying that you can apply its technologies to real-world problems — pass it, and you hold the CCIE Collaboration certification, a Expert-level credential. Because it is vendor-backed and skills-driven, employers treat it as proof rather than promise.
Book your Cisco CCIE Collaboration Written seat through these official channels:
One practical note: the 400-051 exam is delivered Online proctored or onsite at Pearson VUE test centers, so factor that into which slot you choose.
There is — PrepAwayPDF publishes a free PDF demo of the 400-051 materials, so you can verify the accuracy and relevance of the questions before committing a cent. Buying unlocks 365 days of free updates on top of the full question bank, and if your product ever expires, the update service renews at a 50% discount from your member zone.
No mandatory prerequisites; recommended 5–7 years of experience in collaboration technologies
Requirements like these evolve, so before locking in an exam date, double-check the current rules on the official Cisco exam page.
Cisco CCIE Collaboration Written Sample Questions:
Which three services must be activated on Cisco Unified Presence in order for presence and instant messaging to be functional? (Choose three.)
- A. Cisco Serviceability Reporter
- B. Cisco Unified Presence Sync Agent
- C. Cisco AXL Web Service
- D. Cisco Unified Presence Engine
- E. Cisco Unified Presence SIP Proxy
- F. Cisco Bulk Provisioning Service
Correct Answer: B,D,E 🗳️
A user has reported that when trying to access Visual Voicemail the Following error is received:
"Unable to open application please try again later if it continues to fail contact your administrator'.
The collaboration engineer working on the problem found the following on the phone logs CVMInstallerModule STATUS_install_cancelled STATUS_INSTALL) _ERROR [thread=installer MQThread][class=cip midp midletsuite installerModule][function=update status] Midlet install Canceled/ERROR...visual Voicemail
How can this issue be resolved?
- A. Configure DNS on phone configuration so it can resolve server name
- B. Replace the sever name with the server IP on service URL field
- C. Check the Enable checkbox on IP phone service configuration
- D. Eliminate the space in the service Name field
Correct Answer: D 🗳️
Explanation: Only visible for PrepAwayPDF members. You can sign-up / login (it's free).
Assume 20 bytes of voice payload, 6 bytes for the Layer 2 header, 1 byte for the end-of-frame flag, and the IP, UDP, and RTP headers are compressed to 2 bytes, how much bandwidth should be allocated to the strict priority queue for six VoIP calls that use a G.729 codec over a multilink PPP link with cRTP enabled?
- A. 80.4 kb/s
- B. 62.4 kb/s
- C. 78.4 kb/s
- D. 91.2 kb/s
- E. 69.6 kb/s
Correct Answer: E 🗳️
Explanation: Only visible for PrepAwayPDF members. You can sign-up / login (it's free).
Assume 18 bytes for the Layer 2 header and a 10-millisecond voice payload, how much bandwidth should be allocated to the strict priority queue for three VoIP calls that use a G.722 codec over an Ethernet network?
- A. 347.8 kb/s
- B. 331.2 kb/s
- C. 238.4 kb/s
- D. 261.6 kb/s
- E. 274.7 kb/s
Correct Answer: B 🗳️
Explanation: Only visible for PrepAwayPDF members. You can sign-up / login (it's free).
In a SIP REFER-based call transfer, which SIP message is being used by the recipient to notify the originator that the final recipient was successfully contacted?
- A. NOTIFY with a message body of 200 OK
- B. 100 Trying
- C. 200 BYE
- D. 200 OK
- E. 202 Accepted
Correct Answer: A 🗳️
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