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Instant Download Cisco : 642-980 Questions & Answers as PDF & Test Engine
- Exam Code: 642-980
- Exam Name: Troubleshooting Cisco Data Center Unified Fabric (DCUFT)
- Updated: Nov 09, 2026
- No. of Questions: 148 Questions and Answers
- Download Limit: Unlimited
Price: $69.98
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Career plans survive contact with reality when the steps are concrete. Step one: download the free 642-980 demo from Lead2Passed. Step two: work through 148 practice questions. The rest follows.
Cisco 642-980 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Troubleshooting Cisco Data Center Unified Fabric (DCUFT) |
| Exam Number: | 642-980 |
| Certificate Validity Period: | 3 years |
| Available Languages: | English, Japanese |
| Passing Score: | Variable (approx. 750-850 / 1000 scale) |
| Exam Format: | Scenario-based, Multiple Choice, Simulations |
| Real Exam Qty: | 65-75 |
| Exam Duration: | 90 minutes |
| Exam Price: | $300 USD |
| Related Certifications: | Cisco Unified Fabric Support Specialist |
| Recommended Training: | Troubleshooting Cisco Data Center Unified Fabric (DCUFT) v5.0 |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Proctored at Pearson VUE test centers or online proctored |
| Pre Condition: | Recommended: CCNA Data Center or equivalent knowledge; no mandatory prerequisite exam |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/dcuft.html |
Cisco 642-980 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting Layer 2 Connectivity Issues in a Cisco Data Center Network | 20% | - Identify and resolve vPC issues - Identify and resolve Ethernet port-channel issues - Identify and resolve PVLAN issues - Identify and resolve FabricPath issues |
| Troubleshooting Platform Specific Issues in a Cisco Data Center Network | 26% | - Identify and resolve CPU and memory issues - Identify and resolve ISSU issues - Identify and resolve Layer 1 issues - Identify and resolve Control Plane Policing (CoPP) issues - Identify and resolve VDC issues - Identify and resolve FEX issues - Identify and resolve CFS issues - Identify and resolve Config-Sync issues |
| Troubleshooting Storage Area Network in a Cisco Data Center | 26% | - Identify and resolve zone and VSAN issues - Identify and resolve SAN port-channel and trunk issues - Identify and resolve fabric merge issues - Identify and resolve NPV/NPIV issues |
| Troubleshooting DCI Issues in a Cisco Data Center Network | 19% | - Identify and resolve OTV issues - Identify and resolve HSRP issues in a DCI environment |
| Troubleshooting FCoE Issues in a Cisco Data Center Network | 9% | - Identify and resolve DCBX protocol issues - Identify and resolve FCoE performance issues |
642-980 Exam FAQ and Honest Answers
Proctored at Pearson VUE test centers or online proctored Register for the Cisco Troubleshooting Cisco Data Center Unified Fabric (DCUFT) exam through these official channels:
After booking, Lead2Passed delivers your practice questions within 1 minute — preparation starts the same day.
Lead2Passed issues a full refund if you take the Cisco Troubleshooting Cisco Data Center Unified Fabric (DCUFT) exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The Cisco Troubleshooting Cisco Data Center Unified Fabric (DCUFT) exam requires Variable (approx. 750-850 / 1000 scale) to pass, and registration costs $300 USD. A failed attempt means paying the same fee again — a readiness check with the Lead2Passed engines before booking is the cheaper option.
The official Cisco Troubleshooting Cisco Data Center Unified Fabric (DCUFT) outline defines 5 domains. The leading three are Troubleshooting FCoE Issues in a Cisco Data Center Network (9%), Troubleshooting Layer 2 Connectivity Issues in a Cisco Data Center Network (20%), and Troubleshooting DCI Issues in a Cisco Data Center Network (19%). The full list is in the topics section above, and Lead2Passed's 148 practice questions cover each one.
The Cisco Troubleshooting Cisco Data Center Unified Fabric (DCUFT) exam contains 65-75 to complete within 90 minutes. Timed simulation in the Lead2Passed Desktop Test Engine teaches that rhythm before exam day does.
Recommended: CCNA Data Center or equivalent knowledge; no mandatory prerequisite exam Since requirements change over time, confirm the latest on the official Cisco exam page before scheduling.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 148 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The 642-980 exam is a Cisco certification exam validating the Cisco Troubleshooting Cisco Data Center Unified Fabric (DCUFT) syllabus shown above. It belongs to these credential paths: Cisco Unified Fabric Support Specialist. Earning it in 2026 demonstrates ability in a form employers recognize — and Lead2Passed prepares candidates with 148 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
Cisco recommends these training resources for the Cisco Troubleshooting Cisco Data Center Unified Fabric (DCUFT) exam:
Follow the training with steady self-testing — the 148 practice questions from Lead2Passed help you apply theory and fill any gaps the training leaves.
Cisco Troubleshooting Cisco Data Center Unified Fabric (DCUFT) Sample Questions:
Refer to the exhibit. An administrator sees this message in the log while merging switch fabrics. What is the issue?
- A. Two switches have the same zone set and zone name, but with different members.
- B. Two switches have the same zone set and zone name with the same members.
- C. Two switches have different zone set names with the same members.
- D. Two switches have different zone names with the same members.
Correct Answer: A 🗳️
On the secondary vPC switch, under which circumstance does the vPC autorecovery feature not bring up the vPC member ports?
- A. Peer link is up, and the peer-keepalive link fails.
- B. Peer link fails, and subsequently, the primary switch fails.
- C. Peer link fails, and subsequently, the peer-keepalive link fails.
- D. Both vPC peers are reloaded, and the primary does not come back up.
Correct Answer: A 🗳️
In order to fulfill the requirement to prevent the creation of end-to-end loops across a multihomed OTV network that connects two different data centers, what is the solution to this problem?
- A. design the DCI connectivity as a hub and spoke
- B. prioritize the transmission of STP BPDUs across the overlay
- C. enable AED on a per-VLAN basis between each OTV edge device with the same site ID
- D. define a conservative TTL for all packets traversing the OTV network
Correct Answer: C 🗳️
In a Cisco Data center network, what troubleshooting step would you do first when having a npv issue?
- A. Check name server database to see if it recognizes device
- B. Check detail config of FCNS database
- C. Check the show-tech-support detail
- D. Check to see if npv is enabled
Correct Answer: D 🗳️
A customer is troubleshooting FCoE in its network and sees pause counters increasing when it runs the command show interface eth1/5. What is the cause of this?
- A. Pause counters increase regularly; there is nothing to be concerned about.
- B. The CNA connected to the switch is sending Xon or Xoff PFC frames.
- C. A firmware upgrade on the Fibre Channel adapter that is connected to the switch will fix this issue.
- D. The HBA connected to the switch is sending Xon or Xoff PFC frames.
Correct Answer: B 🗳️
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