From a free demo to 365 days of updates and a clearly stated refund policy, ActualCollection covers every step of your Cisco Introduction to Cisco Networking Technologies preparation in one place. Thousands of candidates in 2026 start their 640-821 journey right here.
Cisco 640-821 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Introduction to Cisco Networking Technologies (ICND1) |
| Exam Number: | 640-821 |
| Passing Score: | Cisco scaled scoring (typically around 804/1000 in legacy CCNA exams) |
| Related Certifications: | ICND2 (640-822) Cisco Certified Network Associate (CCNA) |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 45-55 |
| Available Languages: | Japanese, English, Spanish, French, Portuguese, German, Chinese (Simplified) |
| Exam Price: | USD 125 (legacy pricing, varies by region) |
| Exam Format: | Simulations (basic router/switch configuration), Drag and drop, Multiple choice multiple answer, Multiple choice single answer |
| Certificate Validity Period: | 3 years (legacy CCNA certification policy) |
| Recommended Training: | Cisco Learning Network - CCNA Resources Cisco Official Training |
| Exam Registration: | Pearson VUE Cisco Exams Cisco Certification Exam Registration |
| Sample Questions: | ![]() |
| Exam Way: | Computer-based exam at authorized Pearson VUE test centers or online proctored exam (where available) |
| Pre Condition: | No formal prerequisites; basic computer literacy recommended |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams.html |
Cisco 640-821 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Routing Fundamentals | - Static routing basics - Routing table concepts |
| WAN Technologies | - PPP and Frame Relay basics (legacy) - WAN connection types |
| IP Addressing and Subnetting | - IPv4 addressing structure - Basic subnetting calculations - Subnet masks and CIDR notation |
| LAN Switching Technologies | - VLAN concepts - Switch operation and MAC address table - Trunking basics |
| Network Fundamentals | - Network topologies and components - LAN/WAN concepts - OSI and TCP/IP models |
| Network Security Basics | - Device hardening overview - Basic access control concepts |
| Cisco IOS Basics | - Command line interface (CLI) navigation - Show and debug commands - Basic device configuration |
Cisco 640-821 Exam: Frequently Asked Questions
The Cisco Introduction to Cisco Networking Technologies exam is the official Cisco test registered under exam code 640-821. Passing it earns you the Cisco Certified Network Associate (CCNA) certification, a credential at the Associate level. It is also linked to the related certifications: Cisco Certified Network Associate (CCNA), ICND2 (640-822). Cisco exams are valued because they test job-ready skills, so a passing score here carries real weight on a resume.
The Cisco Introduction to Cisco Networking Technologies exam includes 45-55 questions to be completed within 90 minutes. Do the pacing math before exam day: with that many items on the clock, you need a steady rhythm and the discipline to flag a hard question and move on instead of stalling. Two or three full timed sessions with the ActualCollection test engine will show you exactly what that pace feels like, so time pressure stops being a factor on the real day.
To pass the Cisco Introduction to Cisco Networking Technologies exam you need Cisco scaled scoring (typically around 804/1000 in legacy CCNA exams), and the official registration fee is USD 125 (legacy pricing, varies by region). A retake is not discounted: a failed attempt means paying the full USD 125 (legacy pricing, varies by region) again, so treat your first sitting as the expensive one. A sensible rule is to book your seat only after you are scoring comfortably above the passing mark on the ActualCollection practice tests, not just squeaking past it once.
No formal prerequisites; basic computer literacy recommended
Eligibility rules do change from time to time, so confirm the current requirements before you register on the official exam page.
Registration for the Cisco Introduction to Cisco Networking Technologies exam goes through the official channels below.
As for the delivery format, the exam is taken Computer-based exam at authorized Pearson VUE test centers or online proctored exam (where available).
Cisco points candidates toward the following training options for Cisco Introduction to Cisco Networking Technologies.
Course work builds the foundation; question practice makes it stick. The 91 practice questions in the ActualCollection 640-821 package let you rehearse each topic under exam-style pressure before the real thing.
Yes. ActualCollection offers a free PDF demo of the Cisco Introduction to Cisco Networking Technologies material so you can judge the question quality and format before spending anything. After purchase, your license includes 365 days of free updates, and if you want to keep receiving updates after that period, renewals are available at a 50% discount.
If you take the Cisco Introduction to Cisco Networking Technologies exam within 60 days of your purchase and do not pass, ActualCollection backs you with a 100% money-back guarantee. The claim must match the exam your product covers: attempts taken within 3 days of purchase are not eligible (that is too little preparation time), and neither are downloaded-but-unused products, free materials, or expired orders. The candidate name must match the payer name, and you need to submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer not to refund? You can swap instead and receive two other exam products of equal value for free while keeping the update service on your original purchase.
Delivery itself is instant: your files are downloadable right away and emailed to you within one minute of payment. If nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you may install the software on.
The official Cisco Introduction to Cisco Networking Technologies syllabus is organized into 7 domains. Key areas include Routing Fundamentals, Cisco IOS Basics, and Network Fundamentals. The complete, up-to-date topic list appears in the exam topics section above; work through it line by line and flag anything you cannot yet explain in your own words.
Cisco Introduction to Cisco Networking Technologies Sample Questions:
Refer to the exhibit. What is needed to allow host A to ping host B?
- A. a CSU/DSU connected to the switches with straight-through cables
- B. a crossover cable connecting the switches
- C. a backbone switch connecting the switches with either fiber optic or straight-through cables
- D. a router connected to the switches with straight-through cables
- E. a straight-through cable connecting the switches
Correct Answer: D 🗳️
Which IP address is a private address?
- A. 172.20.14.36
- B. 172.33.194.30
- C. 12.0.0.1
- D. 168.172.19.39
- E. 192.169.42.34
Correct Answer: A 🗳️
Which command will reinitialize the router and totally replace the running configuration with the current startup configuration?
- A. router# copy tftp startup-config
- B. router# copy startup-config running-config
- C. router# setup
- D. router# reload
- E. router# restart
- F. router# copy running-config flash
Correct Answer: D 🗳️
What is the subnet address of 172.16.159.159/22?
- A. 172.16.156.0
- B. 172.16.159.128
- C. 172.16.0.0
- D. 172.16.159.0
- E. 172.16.192.0
- F. 172.16.128.0
Correct Answer: A 🗳️
Refer to the output of the three router commands shown in the exhibit.A new technician has been told to add a new LAN to the company router. Why has the technician received the error message that is shown following the last command?
- A. The command was entered from the wrong prompt.
- B. The IOS software loaded on the router is outdated.
- C. The interface type does not exist on this router platform.
- D. The router does not support LAN interfaces that use Ethernet.
- E. The interface was already configured.
Correct Answer: C 🗳️






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