Cisco CCNA Data Center 640-911

Short on study time for the Cisco Introducing Cisco Data Center Networking exam? Getcertkey condenses your preparation into 210 focused practice questions for the 640-911 exam, so even a packed schedule leaves room for steady, measurable progress.

Cisco 640-911 Exam Overview:

Certification Vendor:	Cisco
Exam Name:	Introducing Cisco Data Center Networking (DCICN)
Exam Number:	640-911
Exam Price:	$250 USD
Passing Score:	800-850 / 1000
Certificate Validity Period:	3 years
Available Languages:	Japanese, English
Related Certifications:	CCNA Data Center CCNP Data Center
Exam Duration:	90 minutes
Real Exam Qty:	65-75
Exam Format:	Multiple Choice, Simulations, Drag-and-Drop
Recommended Training:	Introducing Cisco Data Center Networking (DCICN) v1.0 CCNA Data Center Official Cert Guide
Exam Registration:	Pearson VUE
Sample Questions:
Exam Way:	Onsite testing via Pearson VUE centers; retired since April 11, 2017
Pre Condition:	No formal prerequisites; basic networking knowledge recommended
Official Syllabus URL:	https://learningnetwork.cisco.com/s/article/ccna-data-center-dcicn-exam-overview

Cisco 640-911 Exam Syllabus Topics:

640-911 Exam FAQs for 2026 Candidates

Which certification does the 640-911 exam lead to?

The 640-911 exam is the official Cisco exam behind the CCNA Data Center certification, validating the skills measured by the Cisco Introducing Cisco Data Center Networking credential. It sits at the Associate level of the Cisco certification program. It also connects to CCNA Data Center, CCNP Data Center, so the knowledge you build here carries over to those tracks as well.

How many questions are on the 640-911 exam, and how much time do I get?

The 640-911 exam contains 65-75 questions to be completed within 90 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.

What score do I need to pass the 640-911 exam, and what does it cost?

The passing score for the 640-911 exam is 800-850 / 1000, and the official registration fee is $250 USD. Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 210 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.

Are there any prerequisites for the 640-911 exam?

No formal prerequisites; basic networking knowledge recommended Requirements can change when Cisco revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

How do I register for the 640-911 exam?

You can book the Cisco Introducing Cisco Data Center Networking exam through the official registration channels below:

• Pearson VUE

As for delivery, the exam is offered in the following format: Onsite testing via Pearson VUE centers; retired since April 11, 2017. Choose the option that suits you best when you book your seat.

What official training is recommended for the 640-911 exam?

Cisco recommends the following training resources for the Cisco Introducing Cisco Data Center Networking exam:

• Introducing Cisco Data Center Networking (DCICN) v1.0
• CCNA Data Center Official Cert Guide

Official courses build the foundation; the 210 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.

Can I try the 640-911 practice questions before I buy?

Yes. Getcertkey provides a free 640-911 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Cisco revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.

What if I fail the 640-911 exam, and how is my order delivered?

Every Cisco Introducing Cisco Data Center Networking purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.

Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.

What topics are covered in the 640-911 exam?

The Cisco Introducing Cisco Data Center Networking exam blueprint is organized into 4 domains. The first three are:

• Routing Fundamentals — 52% of the exam
• Basic Switching Concepts — 21% of the exam
• IP Addressing and Services — 12% of the exam

For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.

Cisco Introducing Cisco Data Center Networking Sample Questions:

Question 1

Which three IP addresses are examples of an RFC 1918 address? (Choose three.)

A. 10.30.20.1/28
B. 209.165.201.5/27
C. 209.165.200.225/27
D. 172.16.3.1/24
E. 192.168.200.50/24

Question 2

What network topology consists of each node connecting to a central device?

A. bus
B. spine and leaf
C. mesh
D. star

Question 3

A network engineer has multiple network devices to choose from to connect 10 PCs to a network. Requirements include that packet collisions are minimized for each client and that the physical network topology must be highly scalable. Which two connectivity options should the engineer use? (Choose two.)

A. Use a mesh physical network topology.
B. Connect each of the 10 client PCs to a network switch.
C. Connect each of the 10 client PCs to a network hub.
D. Use a star physical network topology.
E. Connect each of the 10 client PCs to a network router.
F. Use a ring physical network topology.

Question 4

If a Nexus switch receives a frame and does not have an entry in its MAC table for the source, which action will take place?

A. The frame will be flooded.
B. The frame will be dropped.
C. The source address will be learned.
D. The sender will be notified.

Question 5

Which command can change the sequence of a router boot process?

A. configuration-register
B. config-registration
C. config-register
D. conf-register

Solutions: