Exam Name: Designing Cisco Data Center Unified Computing
Certification Provider: Cisco
Corresponding Certification: CCNP Data Center
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Check Updated on: Oct 19, 2026
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- Total Questions: 182
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Cisco 642-998 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Data Center Unified Computing (DCUCD) |
| Exam Number: | 642-998 |
| Exam Duration: | 90 minutes |
| Exam Format: | Scenario-based, Multiple Choice, Simulation, Drag-and-Drop |
| Exam Price: | $300 USD |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 65-75 |
| Available Languages: | Japanese, English |
| Passing Score: | Variable (approx. 750-850 / 1000 scale) |
| Related Certifications: | CCNP Data Center Cisco Data Center Unified Computing Design Specialist |
| Recommended Training: | Designing Cisco Data Center Unified Computing (DCUCD v5.0) |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or Onsite at Pearson VUE test centers |
| Pre Condition: | No formal prerequisites; recommended knowledge of data center infrastructure and Cisco UCS |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/specialist-dcucd.html |
Cisco 642-998 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Design the Access Layer of a Data Center | 17% | - Connectivity and redundancy - Integration with unified computing - Access layer design principles |
| Topic 2: Describe the Design Methodology | 13% | - Top-down design approach - Gather business and technical requirements - Characterize existing data center infrastructure |
| Topic 3: Describe the Technologies Used within the Data Center | 17% | - Switching and routing protocols - Server deployment topologies - Virtualization technologies - Energy-efficient design - IPv4/IPv6 addressing design |
| Topic 4: Describe Data Center Structure and Modularity | 17% | - Modularity and scalability principles - Data center architecture models - High availability and fault domains |
| Topic 5: Design Network Management Considerations | 23% | - Firmware and configuration management - Security and access control - Management architecture and protocols - Monitoring and visibility design |
| Topic 6: Design Virtualization Solutions using Cisco UCS | 13% | - Virtualization platform integration - UCS architecture and components - Performance and resource sizing - Service profile design |
642-998 Exam FAQ: Structure, Speed, and Facts
The 642-998 exam contains 65-75 questions with 90 minutes minutes to complete them. A clear knowledge structure is what makes that volume manageable — you answer faster when every topic has its place.
Passing the 642-998 exam requires Variable (approx. 750-850 / 1000 scale), and registration costs $300 USD. Structured preparation is how you spend study time once and exam fees once.
Immediately. The system emails you at once with the download link for the Cisco Designing Cisco Data Center Unified Computing materials — the whole delivery process takes about a minute. Open the email, download the 642-998 exam product to your computer, install it, and you are studying within minutes of deciding to. If the message does not appear, check your spam folder; after 2 hours without delivery, contact support. Install on all of your own devices without limit.
No formal prerequisites; recommended knowledge of data center infrastructure and Cisco UCS
The 642-998 exam is the official assessment behind the Cisco Designing Cisco Data Center Unified Computing certification from Cisco. Lifelong learning has become the norm precisely because industries keep moving — and this credential is a concrete way to keep pace. Many candidates only sit it seriously on a second attempt; structured preparation is how you make the first one count.
Cisco recommends these training resources for candidates:
Official training adds depth; a clearly structured practice bank with verified answers adds direction. Together they cover both sides of preparation.
The official outline divides the 642-998 exam into weighted domains, including:
- Design Network Management Considerations (23%)
- Design Virtualization Solutions using Cisco UCS (13%)
- Describe the Design Methodology (13%)
The Cisco Designing Cisco Data Center Unified Computing bank at PrepAwayPDF mirrors this structure, so the knowledge map you build while practicing matches the one the exam uses.
Registration for the 642-998 exam runs through these official channels:
It is never too late to start — but starting today beats starting after one more week of hesitation.
Structure is the design principle. The Cisco Designing Cisco Data Center Unified Computing materials first build a clear knowledge structure of the 642-998 exam, so difficult points become understandable in sequence rather than intimidating in isolation. Our experts have prioritized the most important knowledge for busy learners, and every answer is expert-verified — so your limited hours go exactly where the objectives point.
Cisco Designing Cisco Data Center Unified Computing Sample Questions:
While using the Microsoft Assessment and planning toolkit, please answer the following question.
Highest Average CPU Utilization?
- A. 200%
- B. 52%
- C. 100%
- D. 109%
- E. 75%
Correct Answer: B 🗳️
Which Cisco product is the least likely example of an access layer switch within the data center network?
- A. Cisco Nexus 1000v
- B. Cisco Nexus 5500
- C. Cisco Nexus 7000
- D. Cisco MDS 9222i
Correct Answer: D 🗳️
Which data center management tool provides performance and capacity monitoring and trending for SAN and LAN infrastructure?
- A. Cisco DCNM
- B. Cisco NAM
- C. Cisco UCS Manager
- D. Cisco NetFlow
Correct Answer: A 🗳️
Which option should be part of network design considerations when proposing a design for Microsoft Exchange 2010 running on Cisco UCS blade servers?
- A. proper placement of server role
- B. high-availability during fabric failover
- C. additional virtual machine scalability
- D. over committing CPU resources
Correct Answer: B 🗳️
Which three benefits make a data center core Cisco Nexus 7010 Switch an effective solution? (Choose three.)
- A. unified I/O
- B. high performance
- C. virtualization
- D. high availability
- E. support for 24-port Gb/s line card
- F. support for data center service modules
- G. IP multicast
Correct Answer: A,B,D 🗳️
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