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Cisco 400-101 Actual Tests : CCIE Routing and Switching Written Exam
About Best Cisco 400-101 Exam Practice Material
In 2026, failing the 400-101 exam still means paying the registration fee all over again. A Actual4test practice package with 150 up-to-date Cisco CCIE Routing and Switching Written questions costs far less than a single retake.
Cisco 400-101 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | CCIE Routing and Switching Written Exam |
| Exam Number: | 400-101 |
| Passing Score: | Variable (Cisco does not publish passing scores) |
| Related Certifications: | CCIE Routing and Switching |
| Exam Price: | USD 450 |
| Available Languages: | Japanese, English |
| Exam Format: | Scenario-Based Questions, Drag and Drop, Multiple Answer, Multiple Choice |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 90-110 |
| Certificate Validity Period: | 18 months eligibility toward the CCIE Routing and Switching Lab Exam |
| Sample Questions: | Cisco 400-101 Sample Questions |
| Exam Way: | Pearson VUE testing centers (retired exam). |
| Pre Condition: | No formal prerequisite. Passing this written exam qualified candidates to attempt the CCIE Routing and Switching Lab Exam. |
| Official Syllabus URL: | https://learningnetwork.cisco.com/community/certifications/ccie-routing-switching |
Cisco 400-101 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| VPN Technologies | 10% | - MPLS
|
| Layer 2 Technologies | 20% | - LAN Switching
|
| Network Principles | 10% | - OSI and TCP/IP Models
|
| Infrastructure Services | 15% | - Network Management
|
| Layer 3 Technologies | 35% | - Routing Protocols
|
| Infrastructure Security | 10% | - Layer 2 Security
|
Common Questions Candidates Ask About 400-101
The 400-101 exam (CCIE Routing and Switching Written Exam) is the official Cisco exam that leads to the CCIE certification, a credential at the Expert level. Related certifications include CCIE Routing and Switching. Actual4test provides 150 practice questions to help you prepare for it with confidence.
The 400-101 exam contains 90-110 questions and gives you 120 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 Actual4test test engine is the best way to make that time pressure feel familiar.
You need Variable (Cisco does not publish passing scores) to pass, and the official registration fee is USD 450. 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 Actual4test timed practice tests stay consistently above the passing line, you are ready to book the exam.
No formal prerequisite. Passing this written exam qualified candidates to attempt the CCIE Routing and Switching Lab Exam. Requirements can change over time, so always double-check the latest eligibility rules before you register on the official Cisco exam page.
Yes. Actual4test offers a free 400-101 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 400-101 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 400-101 syllabus is organized into 6 exam domains. Among the first three are Infrastructure Services (15%), VPN Technologies (10%), Infrastructure Security (10%). For the complete breakdown of topics and subtopics, see the Exam Topics section above.
Cisco CCIE Routing and Switching Written Sample Questions:
Question 1
An IPv6 network has different MTUs on different segments. If the network is experiencing reliability issues, which option is the most likely reason?
A. HSRPv6 is configured incorrectly.
B. ICMPv6 is filtered.
C. The MTU size is greater than 1470 bytes.
D. The Do Not Fragment bit is marked.
Question 2
Drag and drop the PPPoE packet type on the left to the corresponding description on the right.
Question 3
You are backing up a server with a 1 Gbps link and a latency of 2 ms.
Which two statements about the backup are true? (Choose two.)
A. The default TCP receive window size is the limiting factor.
B. The bandwidth delay product is 50 Mb.
C. The bandwidth delay product is 2 Mb.
D. The default TCP send window size is the limiting factor.
E. The bandwidth delay product is 500 Mb.
Question 4
Which two application protocols require application layer gateway support when using NAT on a Cisco router? (Choose two.)
A. POP3
B. FTP
C. HTTP
D. SIP
E. SMTP
Question 5
Which two statements about the spanning-tree timers in a switched network are true? (Choose two)
A. The root bridge sends out a TCN every max-age interval.
B. The default hello time is two seconds.
C. The root bridge sends out a configuration BPDU every hello interval.
D. After receiving a BPDU from the root bridge, a non-root bridge waits for the hello interval before forwarding it out.
Solutions:
| Question 1 Answer: D | Question 2 Answer: Only visible for members | Question 3 Answer: A,C | Question 4 Answer: B,D | Question 5 Answer: B,C |
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