In 2026, failing the 642-066 exam still means paying the registration fee all over again. A Real4Prep practice package with 68 up-to-date Cisco Advanced Routing and Switching for Field Engineers questions costs far less than a single retake.
Cisco 642-066 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Advanced Routing and Switching for Field Engineers |
| Exam Number: | 642-066 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 65-70 |
| Passing Score: | Not publicly disclosed |
| Certificate Validity Period: | 3 years |
| Related Certifications: | 642-067 (replacement exam) |
| Available Languages: | English, Japanese |
| Exam Format: | Multiple Choice Multiple Answer, Drag and Drop, Simulations, Multiple Choice Single Answer |
| Exam Price: | Approx. $200 USD |
| Recommended Training: | Cisco ARSFE training course |
| Exam Registration: | Pearson VUE (historical) |
| Sample Questions: |  |
| Exam Way: | Computer-Based Testing (CBT) at Pearson VUE centers; retired and no longer available for registration |
| Pre Condition: | CCNA-level knowledge recommended; no formal prerequisites |
Cisco 642-066 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Security and Troubleshooting | 8% | - Access control lists
|
| Advanced Switching Technologies | 30% | - Layer 3 switching and inter-VLAN routing
|
| High Availability and Redundancy | 15% | - Link redundancy and load sharing
|
| IPv6 and Transition Mechanisms | 12% | - IPv4 to IPv6 transition
|
| Advanced Routing Protocols | 35% | - EIGRP configuration and optimization
|
Cisco Advanced Routing and Switching for Field Engineers: Your Questions, Answered
The 642-066 exam (Advanced Routing and Switching for Field Engineers) is the official Cisco exam that leads to the Cisco Access Routing and LAN Switching Field Engineer certification, a credential at the Professional / Specialist level. Related certifications include 642-067 (replacement exam). Real4Prep provides 68 practice questions to help you prepare for it with confidence.
The 642-066 exam contains 65-70 questions and gives you 90 minutes to finish them. Before exam day, divide the total time by the question count so you know the pace you need to keep, and flag difficult items instead of getting stuck on them. Running at least one full timed session in the Real4Prep test engine is the best way to make that time pressure feel familiar.
You need Not publicly disclosed to pass, and the official registration fee is Approx. $200 USD. Keep in mind that a failed attempt means paying that fee in full again, so it pays to test yourself first. When your scores on the Real4Prep timed practice tests stay consistently above the passing line, you are ready to book the exam.
CCNA-level knowledge recommended; no formal prerequisites Requirements can change over time, so always double-check the latest eligibility rules before you register.
You can book your exam through the official registration channels:
The exam is delivered in the following way: Computer-Based Testing (CBT) at Pearson VUE centers; retired and no longer available for registration.
Cisco recommends the following training options for this exam:
Official courses build the foundation, and the 642-066 practice questions from Real4Prep help you turn that knowledge into exam-day performance.
Yes. Real4Prep offers a free 642-066 PDF demo so you can check the quality of the practice questions before purchasing. After you buy, your product comes with 365 days of free updates, and if it expires you can renew the update service at a 50% discount from your member zone.
Your purchase is protected by our 100% Money Back Guarantee. If you take the corresponding 642-066 exam within 60 days of purchase and do not pass, send us a scan of your enrollment slip and the official Score Report PDF within two days of the exam, and the full refund will be processed within seven days. The candidate name must match the payer name; exams taken within three days of purchase, free materials, and expired orders are not eligible. If you would rather not refund, you can exchange your product for two free products of equal value and keep the update service on your original purchase. Delivery itself is instant: your material is available for download and is emailed to you within one minute of payment. If nothing arrives within two hours, contact our support team. There is no limit on how many computers you may install it on.
The 642-066 syllabus is organized into 5 exam domains. Among the first three are Security and Troubleshooting (8%), Advanced Switching Technologies (30%), IPv6 and Transition Mechanisms (12%). For the complete breakdown of topics and subtopics, see the Exam Topics section above.
