DumpsFree provides high-quality dumps PDF & dumps VCE for candidates who are willing to pass exams and get certifications soon. We provide dumps free download before purchasing dumps VCE. 100% pass exam!

Cisco 400-051 Valid Braindumps - CCIE Collaboration Written

400-051
  • Exam Code: 400-051
  • Exam Name: CCIE Collaboration Written
  • Updated: Jun 12, 2026
  • Q & A: 660 Questions and Answers
  • PDF Version

    Free Demo
  • PDF Price: $59.99
  • Cisco 400-051 Value Pack

    Online Testing Engine
  • PDF Version + PC Test Engine + Online Test Engine (free)
  • Value Pack Total: $79.99

About Cisco 400-051 Exam

400-051 dumps PDF & 400-051 dumps VCE, which?

400-051 dumps PDF file is downloadable and is able to print out as hardcopy. Some candidates like study on paper or some candidates are purchase for company, they can print out many copies, and they can discuss & study together in meeting. We provide you 400-051 dumps free download.

400-051 dumps VCE is more popular actually. The number of purchasing dumps VCE is far more than the dumps PDF especially the online test engine. Dumps VCE can not only provide the exam dumps materials but also it can simulate the real test scene. You can set the time and mark way just like the real test. So that you can not only master the questions & answers of 400-051 exam dumps, study performance after studying but also you can improve the answer speed, keep a good & casual mood while the real test. If you test wrong answers of some questions on 400-051 dumps VCE, the test engine will remind you to practice every time while operating. If some questions are answered correctly every time you can set to hide them. If more details you can try to download 400-051 dumps for free and if you have any questions you can contact with us at any time.

We not only provide the leading high-quality products which guarantee you pass exam 100% for sure, but also good service

Firstly, as we said before we are a strong company providing the leading high-quality 400-051 dumps VCE which the pass rate is high up to 96.17% based on the past five years' data. We guarantee all candidates pass Cisco CCIE Collaboration Written if you trust us and study our 400-051 dumps VCE carefully. We assist about 100000+ candidates to pass exams every year. We can always get information about 400-051 from Cisco official at the first moment once the 400-051 exam changes. We have great relationship with most of largest companies. We pay much money for the information sources every year. We guarantee all 400-051 dumps VCE we sell out are the latest, valid and accurate. We are being followed by many companies but never surpassed.

Secondly, our service is 7*24 online working including official holidays. We deal with all message & emails about exam dumps in two hours. We send you the 400-051 dumps VCE in 15 minutes after your payment. If you have questions about downloading the 400-051 dumps for free, the payment, the pass rate and the update date of exam dumps we are pleased to serve for you. We keep your information safety, we guarantee 100% pass Cisco CCIE Collaboration Written exam. If you fail the exam with our 400-051 dumps VCE sadly we will full refund you in 2-7 working days.

9000 candidates choose us and pass exams every year, why are you still hesitating? Come and choose us, 400-051 dumps VCE will be your best helper.

After purchase, Instant Download: Upon successful payment, Our systems will automatically send the product you have purchased to your mailbox by email. (If not received within 12 hours, please contact us. Note: don't forget to check your spam.)

Cisco 400-051 Exam Topics:

SectionWeight
Written
WeightLabObjectives
Collaboration Applications10%13%

1 Implement and troubleshoot on premise IM&P servers and clients

2 Implement and troubleshoot presence
a)Busy Lamp Field (BLF)
b)Soft client
c)Cloud

3 Integrate IM&P server with external database to enable Persistent Chat and Group Chat

4 Implement and troubleshoot voicemail integration
a)Cisco Unity Connection
b)Virtual Cisco Unity Express (vCUE)

5 Implement and troubleshoot voicemail features
a)Call and directory handlers
b)Voicemail access from soft clients
c)Video greetings and messaging

6 Implement and troubleshoot voicemail dial plan
a)Partitions and search spaces
b)Routing rules

7 Implement and troubleshoot voicemail digital networking

8 Design, implement, and troubleshoot Cisco Unified Contact Center Express (UCCX)
a)Integration
b)Scripting

9 Implement and troubleshoot Contact Center agent desktop (Finesse)

Infrastructure and Quality of Services10%11%

1 Implement and troubleshoot network services
a)DHCP
b)NTP
c)DNS
d)CDP/LLDP

2 Troubleshoot layer 2 and layer 3 network connectivity issues

3 Identify key implications of running collaboration in a wireless environment
a)802.11k, 802.11v, 802.11r
b)QoS

4 Design, implement, and troubleshoot Quality of Service for Collaboration applications and endpoints on LAN/WAN/WLAN (Cisco IOS-XE and AireOS)
a)Identification
b)Classification and marking
c)Queuing and scheduling
d)Congestion management

5 Troubleshoot voice and video quality issues
a)Packet loss, jitter, and latency
b)Endpoint call quality metrics
c)One-way or no-way media

6 Collect and analyze packet captures on Cisco Collaboration platforms

7 Design, implement, and troubleshoot Enhanced Locations Call Admission Control (ELCAC)

8 Design, implement, and troubleshoot Call Admission Control on CUBE

9 Describe APIC-EM integration with Cisco Collaboration solutions

10 Design, implement, and troubleshoot Collaboration applications in a virtualized environment
a)Virtual machine templates
b)Hypervisors
c)Resource utilization (CPU, memory, storage, network)

Call Control and Dial plan20%24%

1 Design and analyze global dial plans
a)Localization and globalization
b)Numbering schemes
c)Dialing habits
d)Interdigit timeouts
e)Calling privileges
f)Number presentation

2 Design, implement, and troubleshoot fundamental dial plan features on Unified CM
a)Partitions and calling search spaces
b)Translation and transformation patterns
c)Urgent priority
d)Path selection
e)AAR

3 Design, implement, and troubleshoot advanced dial plan features on Unified CM
a)Global dial plan replication
b)Local route groups

4 Design, implement, and troubleshoot URI and domain-based routing

5 Implement and troubleshoot Unified CM telephony features
a)Call Pickup
b)Barge/privacy
c)Native call queuing
d)Intercom
e)Music on hold (unicast and multicast)

6 Design, implement, and troubleshoot audio and video codec selection

7 Implement and troubleshoot SIP trunking
a)SIP profiles
b)SIP trunk security profiles
c)Resiliency
d)Mid-call signaling

8 Implement and troubleshoot UDS in a multi-cluster environment
a)Service discovery
b)User search
c)LDAP proxy

9 Verify and troubleshoot Unified CM database replication

10 Design, implement, and troubleshoot dial plans on Cisco IOS-XE
a)Inbound and outbound dial-peers
b)Voice translation rules and profiles
c)Dial-peer provisioning policy
d)Destination server groups
e)Destination dial-peer groups
f)E.164 pattern maps
g)URI-based dialing
h)VRF-aware call routing

11 Implement and troubleshoot SIP call control for Unified CME
a)Extension Assigner
b)Secondary CME support
c)Video support
d)Telephony features

12 Implement and troubleshoot SIP-SRST and E-SRST

13 Design, implement, and troubleshoot dial plans on Expressway Series
a)Transforms
b)Search rules
c)Zones
d)Subzones

14 Implement and troubleshoot Cisco Spark Services
a)Extending cloud services using on premise resources
b)Cloud service management

Endpoints, User Management, and Mobility10%10%

1 Implement and troubleshoot hardware and software endpoint registration in a multi-cluster environment
a)On-premise (local or proxy TFTP)
b)Mobile and Remote Access (Service Discovery)
c)Cloud

2 Implement and troubleshoot mixed mode and Security By Default (SBD) on Unified CM
a)Certificate Trust List (CTL) and Identity Trust List (ITL)
b)Token and token-less
c)Trust Verification Service (TVS)

3 Implement collaboration endpoints and infrastructure using IPv6

4 Implement and troubleshoot endpoint features
a)Proximity
b)Directory integration and search
c)Product specific configurations
d)Multistream

5 Integrate and troubleshoot LDAP synchronization and authentication
a)On-premise
b)Cloud

6 Integrate and troubleshoot Single-Sign-On (SSO)

7 Implement and troubleshoot self-provisioning

8 Implement and troubleshoot mobility features
a)Mobile Connect (Single Number Reach)
b)Device Mobility
c)Mobile Identity
d)Extend and Connect

9 Implement and troubleshoot Extension Mobility Cross Cluster (EMCC)
a)Emergency dialing considerations
b)Certificate exchange

Media Resources, Meetings, and Call Recording12%12%

1 Design, implement, and troubleshoot media resources
a)Transcoding and transrating
b)MTP

2 Implement and troubleshoot rendezvous conferencing
a)Unified CM Conference Now
b)Cisco Meeting Server Spaces

3 Implement and troubleshoot ad-hoc conferencing
a)Cisco IOS-XE conferencing
b)Cisco Meeting Server
c)Cloud

4 Implement and troubleshoot scheduled meetings
a)On-premise
b)Hybrid
c)Cloud

5 Implement and troubleshoot CallBridge and WebBridge on Cisco Meeting Server
a)Internal user access
b)External user access

6 Implement and troubleshoot high availability on Cisco Meeting Server

7 Design, implement, and troubleshoot audio and video call recording architectures
a)Open Recording Architecture (ORA)
b)SIP-based Media Recording (SIPREC)
c)Network-Based Recording (gateway preferred)
d)Built-in bridge
e)Cisco Meeting Server

Evolving Technologies v1.110%N/A

1 Cloud
a)Compare and contrast public, private, hybrid, and multicloud design considerations
a)[i] Infrastructure, platform, and software as a service (XaaS)
a)[ii] Performance, scalability, and high availability
a)[iii] Security implications, compliance, and policy
a)[iv] Workload migration
b)Describe cloud infrastructure and operations
a)[i] Compute virtualization (containers and virtual machines)
b)[ii] Connectivity (virtual switches, SD-WAN and SD-Access)
b)[iii] Virtualization functions (NFVi, VNF, and L4/L6)
b)[iv] Automation and orchestration tools (CloudCenter, Cisco DNA-center, and Kubernetes)

2 Network programmability (SDN)
a)Describe architectural and operational considerations for a programmable network
a)[i] Data models and structures (YANG, JSON and XML)
a)[ii] Controller based network design (policy driven configuration and northbound/ southbound APIs)
a)[iii] Configuration management tools (agent and agentless) and version control systems (Git and SVN)
a) [iv] Device programmability (gRPC, NETCONF and RESTCONF)

3 Internet of things (IoT)
a)Describe architectural framework and deployment considerations for IoT
a)[i] IoT technology stack (IoT Network Hierarchy, data acquisition and flow)
a)[ii] IoT standards and protocols (characteristics within IT and OT environment)
a)[iii] IoT security (network segmentation, device profiling, and secure remote)

Edge Services16%18%

1 Implement and troubleshoot ISDN PRI gateways

2 Implement and troubleshoot SIP trunks in a multi-tenant environment
a)Authentication
b)Multi-VRF SIP trunks

3 Implement and troubleshoot SIP normalization and SDP normalization
a)Normalization and transparency scripts (Lua)
b)Cisco IOS-XE SIP profiles

4 Implement and troubleshoot encrypted signaling and media on trunks

5 Implement and troubleshoot stateful box-to-box redundancy on CUBE (Cisco IOS-XE)

6 Implement and troubleshoot network and application level security on Cisco IOS-XE
a)IP Trust List
b)Call spike protection
c)Media policing
d)Call thresholds
e)RTP port ranges
f)Telephony denial of service attacks

7 Design, analyze, and troubleshoot firewall traversal in a Collaboration solution
a)Port numbers and transport
b)NAT
c)Proxy servers
d)Deep Packet Inspection considerations
e)Trusted Relay Point
f)Interactive Connectivity Establishment (ICE)

8 Implement and troubleshoot Expressway Series traversal communications
a)Traversal zone
b)SSH tunnels

9 Implement and troubleshoot Mobile and Remote Access (MRA)

10 Implement and troubleshoot network and application level security on Expressway Series
a)Toll fraud prevention (CPL)
b)Zone and subzone authentication
c)Automated intrusion protection
d)Mutual TLS

11 Implement and troubleshoot call routing for Spark hybrid services and Business-to-Business (B2B) calling

12 Implement and troubleshoot Spark hybrid service connectors and containers

13 Implement and troubleshoot third-party interoperability and federation
a)Voice and video calling
b)IM&P

Protocols and APIs12%12%

1 Capture, analyze, and troubleshoot IP collaboration signaling protocols
a)SIP
b)H.323
c)MGCP
d)SCCP

2 Implement and troubleshoot SDP and media negotiation
a)Offer/Answer model
b)Early offer, delayed offer, early media
c)Payload type interworking

3 Analyze and troubleshoot SIP identity headers
a)Name
b)Number
c)URI
d)Privacy

4 Capture, analyze, and troubleshoot media protocols
a)RTP/RTCP, sRTP/sRTCP
b)Binary Floor Control Protocol (BFCP)
c)ActiveControl (iX)
d)T.38

5 Design, implement, and troubleshoot DTMF relay
a)In-band vs out-of-band
b)RFC 2833
c)Key Pad Markup Language (KPML)
d)Unsolicited NOTIFY
e)Interworking

6 Capture, analyze, and troubleshoot messaging protocols
a)XMPP
b)SIP/SIMPLE

7 Capture, analyze, and troubleshoot legacy telephony protocols
a)Analog (FXS, FXO, loop-start, ground-start)
b)Q.931

8 Utilize and troubleshoot the following APIs
a)Cisco Meeting Server API
b)Unified CM Administrative XML (AXL) API
c)Spark API
d)Tropo API

9 Describe the functionality of the following APIs
a)Cisco Unity Connection Provisioning Interface (CUPI)
b)Java Telephony Application Programming Interface (JTAPI)
c)Extension Mobility API (EMAPI)
d)UC Gateway Services API (GSAPI)
e)Unified Routing Rules XML Interface (CURRI)

Reference: http://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ccie-collaboration.html

If you care about Cisco CCIE Collaboration Written exam you should consider us DumpsFree. Our 400-051 dumps take the leading position in this area. Some candidates know us from other friends' recommendation or some know us from someone's blog or forum. You may download our 400-051 dumps for free first. From our dumps free download you will find our exam dumps are really valid and high-quality. Our 400-051 dumps VCE guarantee candidates pass exam 100% for sure. If you choose us, you will not be upset about your CCIE CCIE Collaboration Written exams any more.

Free Download Latest 400-051 Exam Tests

What Clients Say About Us

Thank you very much! I was able to clear the 400-051 exam with 86% marks and on the first attempt. I really appreciate your help. You guys are doing great.

Merlin Merlin       4.5 star  

The 400-051 study guide successfully helped me pass my exam, and I have to say it is a great reference material, you should pass as well!

Tyrone Tyrone       4.5 star  

I found most of the 400-051 questions are in DumpsFree dumps.

Quintina Quintina       4.5 star  

DumpsFree turning its customers into life time loyal business partners. As I just cleared CCIE Collaboration Written (400-051 exam from nowhere. Because I had no time to get prop but still get high score by this dump

Tab Tab       4.5 star  

This is a golden opportunity for me. I passed 400-051 exam with a high score, most of the questions are valid (about 90%). Thanks so much!

Alice Alice       5 star  

All the 400-051 questions are from your guide.

Gemma Gemma       4 star  

I will share my experience in my blog.

Ivy Ivy       4.5 star  

Dumps for 400-051 by DumpsFree are the best way to achieve great marks in the exam. I passed mine with a 97% score. Exam testing software is very similar to the real exam. Keep it up DumpsFree.

Fitzgerald Fitzgerald       4.5 star  

I hadn’t even the slightest problem in understanding the various concepts and easily went through all the major concepts within a few days. 400-051 dumps helped me achieve an outstanding success. I owe thanks to all those who devised such a perfect plan of exam preparation!

Lilith Lilith       4.5 star  

Extremely helpful questions and answers by DumpsFree for 400-051. I passed with 98% marks by preparing from them. Thanks a lot to the team DumpsFree.

Nick Nick       4.5 star  

This 400-051 braindumps very usefull! I passed yesterday!

Zenobia Zenobia       4 star  

If you do not know how to prepare I think buying this dump may be a good choice. its knowledge is complete and easy to learn. I do not regret buying this.

Peter Peter       4 star  

I got a marvelous success in my 400-051 certification exam a day before yesterday. I succeeded just because of DumpsFree that offered to me a perfect helping guide. It was sooooo useful

Wendell Wendell       4 star  

All good!
I really appreciate that you update this 400-051 exam.

Grover Grover       4 star  

Thanks for the great 400-051 study materials.

Maxine Maxine       4.5 star  

I strongly advise you to buy the APP online version for you can learn on all the electronic devices. No matter on IPad, computer or phone. I believed i can pass the 400-051 exam and it proved exactly. Thanks!

Alma Alma       4 star  

LEAVE A REPLY

Your email address will not be published. Required fields are marked *

  • QUALITY AND VALUE

    DumpsFree Practice Exams are written to the highest standards of technical accuracy, using only certified subject matter experts and published authors for development - no all study materials.

  • TESTED AND APPROVED

    We are committed to the process of vendor and third party approvals. We believe professionals and executives alike deserve the confidence of quality coverage these authorizations provide.

  • EASY TO PASS

    If you prepare for the exams using our DumpsFree testing engine, It is easy to succeed for all certifications in the first attempt. You don't have to deal with all dumps or any free torrent / rapidshare all stuff.

  • TRY BEFORE BUY

    DumpsFree offers free demo of each product. You can check out the interface, question quality and usability of our practice exams before you decide to buy.

Our Clients

amazon
centurylink
vodafone
xfinity
earthlink
marriot
vodafone
comcast
bofa
timewarner
charter
verizon