Instant Download Cisco : 400-101 Exam Dumps
Updated: Oct 23, 2026
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It is a truism that there may always be people smarter than you — so the way to never fall behind is to keep improving yourself in an all-round way. An authoritative credential like Cisco CCIE Routing and Switching Written showcases that capacity, and Lead1Pass helps you prepare for the 400-101 exam with 150 practice questions built around the official objectives.
Cisco 400-101 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | CCIE Routing and Switching Written Exam |
| Exam Number: | 400-101 |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Exam Format: | Multiple response, Multiple choice |
| Related Certifications: | CCIE Routing and Switching Lab CCNP Routing and Switching CCNA Routing and Switching |
| Recommended Training: | Cisco Official Training Courses Cisco Learning Network |
| Exam Registration: | Pearson VUE Cisco Exams Cisco Certification Exam Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based exam delivered via Pearson VUE test centers or online proctoring (where available). |
| Pre Condition: | No formal prerequisite required for the written exam; CCNA/CCNP-level knowledge recommended. |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams.html |
Cisco 400-101 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| LAN Switching Technologies | - EtherChannel - Spanning Tree Protocol (STP/RSTP/MST) - VLANs and trunking |
| Infrastructure Services | - DHCP, DNS, NAT - QoS fundamentals |
| Routing Technologies | - EIGRP - BGP - OSPF |
| Infrastructure Security | - Access control lists (ACLs) - Network security fundamentals - Device hardening |
| WAN Technologies | - VPN technologies (site-to-site, remote access) - MPLS fundamentals |
| Network Principles | - Network topologies and architectures - IPv4/IPv6 addressing and subnetting - OSI and TCP/IP models |
Questions and Answers About the Cisco CCIE Routing and Switching Written Exam
The official training options for 400-101 exam candidates include:
Official courses cover the theory; self-paced practice questions cover the application. Together they make a complete preparation loop.
No formal prerequisite required for the written exam; CCNA/CCNP-level knowledge recommended.
The official outline organizes the 400-101 exam into weighted domains such as:
- WAN Technologies ()
- Network Principles ()
- Infrastructure Security ()
The Cisco CCIE Routing and Switching Written practice questions at Lead1Pass follow this same objective map, so every hour of review lands on exam-relevant ground.
The 400-101 exam is the official assessment for the Cisco CCIE Routing and Switching Written certification from Cisco. It verifies that you can apply the published exam objectives to practical scenarios, and the resulting credential showcases your capacity in a way employers immediately recognize — a concrete step in any all-round self-improvement plan.
Twenty-four-hour online service, with real people behind it. Once you have purchased the 400-101 exam materials, our staff shoulders the responsibility of answering your questions patiently and immediately — whether it is a download issue, a question about the content, or help understanding the refund policy. Good materials matter, but so does never being stuck alone with them.
Yes, by design. Payments for the Cisco CCIE Routing and Switching Written materials go through an established, secure payment platform, so your card data is protected by the gateway itself. Your personal information — email, address, purchase details — is never leaked or shared with third parties. And if anything does go wrong, the twenty-four-hour support team is there to set it right. A purchase should bring you study materials, not new troubles.
You can register through the official channels below:
Once your practice results are consistent, choose a date and let the deadline sharpen your final review.
Cisco CCIE Routing and Switching Written Sample Questions:
Which two statements about 802.1 x authentications with EAP are true? (Choose two)
- A. The authenticator can cache the username and password from the authentication server to reduce traffic
- B. The supplicant and authenticator server send a one-time password to the authenticator
- C. The interface passes only EAPOL traffic until the client is authenticated
- D. It uses EAPOL frames between the supplicant and the authenticator
- E. The authenticator server translates frames from the supplicant into a RADIUS message
Correct Answer: C,D 🗳️
Which two statements about the spanning-tree timers in a switched network are true? (Choose two)
- A. The root bridge sends out a configuration BPDU every hello interval.
- B. The root bridge sends out a TCN every max-age interval.
- C. The default hello time is two seconds.
- D. After receiving a BPDU from the root bridge, a non-root bridge waits for the hello interval before forwarding it out.
Correct Answer: A,C 🗳️
What is a potential effect of combining TCP traffic and UDP traffic in a single traffic queue?
- A. UDP traffic can start dominating over TCP traffic.
- B. TCP and UDP flows would be scheduled fairly.
- C. UDP starvation can occur.
- D. This configuration will be rejected as invalid.
Correct Answer: A 🗳️
Refer to the exhibit.
What are two effects of the given network configuration? (Choose two.)
- A. The 192.168.12.0/24 network is added to R3 database.
- B. R2 and R3 fail to form an adjacency.
- C. R2 advertises the 192.168.12.0/24 network
- D. R1 and R2 fail to form an adjacency.
- E. The 192.168.12.0/24 network is added to R3 route table.
- F. R2 advertises the 192.168.23.0/24 network.
Correct Answer: B,F 🗳️
When the BGP additional-paths feature is used, what allows a BGP speaker to differentiate between the different available paths?
- A. The remote BGP peer prepends its own next-hop address to the prefix.
- B. The additional path information is encoded in an extended community.
- C. A unique path identifier is encoded into a dedicated field to the NLRI.
- D. A route distinguisher is appended to the prefix by the receiving BGP speaker.
Correct Answer: C 🗳️
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797 Customer ReviewsCustomers Feedback (* Some similar or old comments have been hidden.)
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