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Cisco 400-051 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | CCIE Collaboration Written |
| Exam Number: | 400-051 |
| Exam Format: | Multiple Choice |
| Real Exam Qty: | 90–110 |
| Exam Duration: | 120 minutes |
| Related Certifications: | Cisco Certified Internetwork Expert (CCIE) Collaboration |
| Available Languages: | English |
| Sample Questions: | ![]() |
| Exam Way: | Delivered in a secure testing environment at Pearson VUE or Cisco-authorized test center. |
| Pre Condition: | Recommended to have extensive experience in collaboration technologies; no mandatory prerequisite published. |
| Official Syllabus URL: | https://www.cisco.com/site/us/en/learn/training-certifications/certifications/collaboration/ccie-collaboration/exams-and-training.html |
Cisco 400-051 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cisco Collaboration Infrastructure | - IP Routing in Collaboration Solutions - Cisco UC Deployment Models - IP Multicast - Network Services (DNS, DHCP, TFTP, NTP, CDP/LLDP) - User Management - Voice and Data VLAN - IPv6 - PoE - Wireless in Collaboration Solutions - Virtualization in Collaboration Solutions
|
Cisco 400-051 Exam FAQ: Read This First
Which domains make up the 400-051 exam?
The Cisco CCIE Collaboration Written exam spans 1 domains, and they are not weighted equally. The top areas are Cisco Collaboration Infrastructure, . Budget your study hours to match those weights; the full domain list is in the outline section further up this page.
What does passing the 400-051 exam actually get me?
The 400-051 exam is Cisco's official certification test, and passing it earns the CCIE credential at the Expert level. In career terms, it is verified proof of skill — the kind that moves you up the shortlist when your company works with Cisco technologies, or when you apply to one that does. The same track also includes Cisco Certified Internetwork Expert (CCIE) Collaboration, so this exam can anchor a longer certification plan.
Can I check your 400-051 questions before buying?
Please do. Real4test offers a free demo download for the Cisco CCIE Collaboration Written exam — grab it from the product page or leave your email and we will send it over. Purchases come with 365 days of free updates; after that year, extending the update service costs 50% of the original price in your member zone.
How many questions are in the 400-051 exam and how long does it run?
The Cisco CCIE Collaboration Written exam packs 90–110 questions into 120 minutes. That ratio leaves almost no room for stalling, so time management is a trained skill, not luck. Our suggestion: rehearse full-length timed sessions in the Real4test engine, learn to park a question and return later, and walk into the 400-051 exam with a pacing plan already rehearsed.
What are the eligibility requirements for the 400-051 exam?
Recommended to have extensive experience in collaboration technologies; no mandatory prerequisite published. Since Cisco revises these rules from time to time, confirm the current prerequisites on the official exam page (https://www.cisco.com/site/us/en/learn/training-certifications/certifications/collaboration/ccie-collaboration/exams-and-training.html) before booking your Cisco CCIE Collaboration Written exam.
What if I fail — and how fast is delivery?
Delivery is effectively instant: your 400-051 download link is emailed within one minute of payment, with no cap on how many computers you install it on. If the email has not shown up within 2 hours, check spam and contact our 7x24 support — we reply quickly and resend immediately. If you fail the Cisco CCIE Collaboration Written exam itself, the refund policy applies when you took the corresponding exam within 60 days of purchase: submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam, and the refund is processed within 7 days. Not covered: attempts within 3 days of purchase, exams never actually taken, free materials, and expired orders — and the candidate name must match the payer name. Prefer material over money? Exchange for two free exam products of equal value and keep the update service on your original purchase.
Cisco CCIE Collaboration Written Sample Questions:
Question #1
Which parameter in an NTFY message is used by a Cisco IOS MGCP gateway to inform a Cisco Unified CM that an analog endpoint has gone off-hook?
A. Event States
B. Detect Events
C. Connection Mode
D. Requested Events
E. Observed Events
Question #2
Refer to the exhibit. Which DTMF relay method is advertised when the originating SIP gateway sends an INVITE message with a Call-Info header shown?
A. RFC 2833
B. SIP INFO
C. In-band audio
D. SIP KPML
E. SIP NOTIFY
Question #3
Which of the below characteristics of RPL is true?
A. RPL is an IPv6 link-state routing protocol.
B. RPL can send only messages in secured mode.
C. RPL is designed for lossy networks.
D. RPL uses hello messages to send routing updates to its neighbors.
Question #4
Which option cannot be recorded as a video greeting in Cisco Unity Connection 10.x?
A. error
B. standard
C. alternate
D. internal
E. holiday
F. busy
G. closed
Question #5
Refer to the exhibit. A reporting specialist found that calls answered by the phones are not being recorded.
Which two configuration changes can resolve this issue? (Choose two)
A. Configure a CTI route point to the recorder
B. Assign a recording profile
C. Activate built in bridge
D. Create a SIP trunk to the recording server
E. Enable automatic call recording
F. Manager assistant
Solutions:
| Question #1 Correct Answer: E | Question #2 Correct Answer: E | Question #3 Correct Answer: C | Question #4 Correct Answer: A | Question #5 Correct Answer: B,E |


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