When Cisco technologies run your company's stack, certified staff get noticed first. The 642-973 exam is how you become one of them, and Real4Prep gets you there with 88 practice questions for the Cisco Data Center Networking Infrastructure exam, verified answers included.
Cisco 642-973 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Data Center Networking Infrastructure (DCNID) |
| Exam Number: | 642-973 |
| Passing Score: | Not publicly disclosed |
| Available Languages: | English |
| Real Exam Qty: | Not publicly disclosed |
| Certificate Validity Period: | Certification validity period: 3 years |
| Exam Price: | USD 200 |
| Exam Duration: | 90 minutes |
| Exam Format: | Simulation-based Questions, Drag and Drop, Multiple Choice, Multiple Answer |
| Related Certifications: | Cisco Certified Network Professional Data Center (CCNP Data Center) |
| Recommended Training: | Cisco Data Center Training Cisco Learning Network |
| Exam Registration: | Cisco Certification Exam Registration |
| Sample Questions: | ![]() |
| Exam Way: | Delivered through authorized Pearson VUE testing centers or approved online exam delivery options when available. |
| Pre Condition: | Recommended knowledge and experience with data center networking technologies. Typically associated with CCNP Data Center certification requirements. |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/642-973.html |
Cisco 642-973 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Center Network Management and Operations | - Troubleshooting considerations - Operational best practices - Network monitoring and management design |
| Data Center LAN Design | - VLAN and routing design - Spanning Tree Protocol design considerations - EtherChannel and link redundancy design - Layer 2 and Layer 3 data center network design |
| Data Center Networking Design Principles | - Scalability and performance considerations - Data center network design models and architectures - High availability and resiliency design |
| Data Center Storage Networking Design | - Unified fabric design - Storage network availability and performance - Fibre Channel over Ethernet (FCoE) design |
| Data Center Switching Technologies | - FabricPath design concepts - Cisco Nexus switching architecture - Virtual Port Channel (vPC) design - Data center switching feature selection |
| Data Center Security Design | - Security architecture and segmentation - Firewall and access control design - Secure management and monitoring |
| Data Center Virtualization Networking | - Virtual switching concepts - Network virtualization design - VMware networking integration |
Straight Talk: Cisco 642-973 Exam FAQs
Recommended knowledge and experience with data center networking technologies. Typically associated with CCNP Data Center certification requirements. These conditions come from Cisco and can be revised, so confirm the current requirements on the official exam page: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/642-973.html — better a two-minute check than a wasted Cisco Data Center Networking Infrastructure registration.
The Cisco Data Center Networking Infrastructure exam gives you 90 minutes to work through Not publicly disclosed questions. Split that down and each question earns only a narrow slice of the clock — lingering too long on one item borrows time from three others. Build the habit now: run timed, full-length sessions in the Real4Prep test engine until finishing early feels normal on the real 642-973 exam.
Cisco recommends these official training resources:
Once the coursework is done, pressure-test it with the 88 practice questions for the 642-973 exam from Real4Prep — theory only counts when it survives exam conditions.
The 642-973 exam is Cisco's official assessment leading to the Cisco Data Center Networking Infrastructure Design (DCNID) certification, which sits at the Professional level. It validates job-ready, vendor-recognized skills — the kind employers screen for. It also belongs to a wider certification family that includes Cisco Certified Network Professional Data Center (CCNP Data Center), so it can anchor a longer credential roadmap.
Delivery takes about a minute: after payment, Real4Prep emails your 642-973 download instantly — if nothing arrives within 2 hours, check spam and contact support for an immediate resend. Install it on as many computers as you like. On failure: take the corresponding 642-973 exam within 60 days of purchase, and a fail qualifies you for a full refund. File within 2 days after the exam with a scanned enrollment slip and the official Score Report PDF; claims close within 7 days. Excluded are 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 to keep studying? On request we can exchange your product for two free exam products of equal value, and your original purchase keeps its update service.
The Cisco Data Center Networking Infrastructure syllabus divides into 7 domains, led by Data Center Network Management and Operations, Data Center Virtualization Networking, Data Center Storage Networking Design. Heavier domains deserve heavier study time — the complete outline with every domain is listed above on this page.
Book through the official Cisco registration channels:
One thing to note while booking: the exam is delivered via Delivered through authorized Pearson VUE testing centers or approved online exam delivery options when available..
Plan on USD 200 per attempt, with Not publicly disclosed required to pass the Cisco Data Center Networking Infrastructure exam. Since every retake bills the full fee again, the cheapest strategy is arriving overprepared. Test yourself with Real4Prep practice questions first — when your timed scores clear Not publicly disclosed consistently, booking the 642-973 exam becomes a formality.
Yes — a free demo is available for the Cisco Data Center Networking Infrastructure product, so you can review the question style and verified answers yourself first. After purchase, 365 days of free updates are included; once the year ends, the update service renews at a 50% discount from your member zone.



