Cisco 400-101 actual dump : CCIE Routing and Switching Written Exam

400-101
  • Exam Code: 400-101
  • Exam Name: CCIE Routing and Switching Written Exam
  • Updated: Oct 24, 2026
  • Q & A: 150 Questions and Answers

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Cisco 400-101 Exam Overview:

Certification Vendor:Cisco
Exam Name:CCIE Routing and Switching Written Exam v5.1
Exam Number:400-101
Exam Duration:120 minutes
Passing Score:790 / 1000 scaled score
Certificate Validity Period:3 years from pass date
Available Languages:English
Related Certifications:CCIE
CCIE Routing and Switching
Real Exam Qty:90–110
Exam Format:Multiple-choice single/multiple answer, Drag-and-drop, Testlets, Simulations
Exam Price:$400 USD
Recommended Training:Cisco Official Training
CCIE Routing and Switching Prep
Exam Registration:Cisco Learning Network
Pearson VUE Registration
Sample Questions:Free Download Latest 400-101 actual dumps
Exam Way:Delivered via Pearson VUE; onsite proctored test center exam; retired effective February 23, 2020
Pre Condition:No formal prerequisites; written exam required before attempting CCIE Routing and Switching Lab Exam
Official Syllabus URL:https://www.cisco.com/c/dam/en_us/training-events/le31/le46/cln/marketing/exam-topics/ccie-rs-v5_1-etv1_1.pdf

Cisco 400-101 Exam Syllabus Topics:

SectionWeightObjectives
VPN Technologies10%- IPsec, GRE, DMVPN
  • 1. GET VPN, FlexVPN
    • 2. MPLS, L3VPN, L2VPN
      • 3. VRF-lite, VRF-aware services
        Network Principles10%- Network theory
        • 1. Control plane vs Forwarding plane
          • 2. IOS vs IOS XE architecture
            • 3. Cisco Express Forwarding (RIB/FIB/LFIB/Adjacency)
              • 4. IP operations (ICMP, fragmentation, TTL, MTU)
                • 5. TCP operations (MSS, PMTU, windowing)
                  Layer 2 Technologies15%- LAN switching
                  • 1. Switch security, private VLANs, storm control
                    • 2. UDLD, LLDP, CDP, SPAN/RSPAN/ERSPAN
                      • 3. EtherChannel, LACP, PAgP
                        • 4. Spanning Tree Protocol (802.1D, PVST+, RSTP, MSTP)
                          • 5. VLANs, trunking, DTP, VTP
                            Layer 3 Technologies40%- IPv4 and IPv6 addressing
                            • 1. BGPv4 and BGP for IPv6
                              • 2. EIGRP for IPv4 and IPv6
                                • 3. Multicast routing (PIM, IGMP, MSDP)
                                  • 4. Static routing, RIP, OSPFv2/v3
                                    • 5. Route redistribution, filtering, summarization
                                      Infrastructure Security10%- Control plane policing
                                      • 1. Unicast Reverse Path Forwarding
                                        • 2. Routing protocol authentication
                                          • 3. Device hardening, access control lists
                                            • 4. AAA, TACACS+, RADIUS
                                              Evolving Technologies10%- Network virtualization
                                              • 1. Network automation tools
                                                • 2. Cloud connectivity
                                                  • 3. SDN, programmability, APIs
                                                    Infrastructure Services5%- Network address translation
                                                    • 1. SNMP, NetFlow, IP SLA
                                                      • 2. Network Time Protocol
                                                        • 3. First Hop Redundancy Protocols (HSRP, VRRP, GLBP)
                                                          • 4. Quality of Service mechanisms

                                                            Questions Candidates Ask About the Cisco CCIE Routing and Switching Written

                                                            Plan on needing 790 / 1000 scaled score to pass the 400-101 exam, and budget $400 USD for the official registration. Treat that fee as single-use: a failed attempt means paying the same amount again for a retake. The cheapest insurance policy is preparation — cycle through the 150 practice questions at Actual4Dumps until your timed mock results clear the passing mark consistently, and only then schedule your exam.

                                                            For the Cisco CCIE Routing and Switching Written, Cisco points candidates toward these resources:

                                                            Training builds the foundation; deliberate practice builds the pass. Layer the 150 practice questions from Actual4Dumps on top of any course above, and you cover theory and execution in one plan.

                                                            The Cisco CCIE Routing and Switching Written blueprint spans 7 domains. The heaviest hitters include Infrastructure Security (10%), Evolving Technologies (10%), and VPN Technologies (10%). The complete breakdown — every domain and subtopic — is laid out in the syllabus section above, and that is the map your study sessions should follow.

                                                            Expect 90–110 questions and 120 minutes on the clock for the 400-101 exam. Time management is a skill of its own here: candidates who untimed-study often discover the real pressure only when the countdown starts. Build that muscle memory early — run full timed simulations in the Actual4Dumps desktop or online test engine, practice flagging and skipping, and let pacing become reflex before exam day.

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                                                            If you sit the 400-101 exam within 60 days of purchase and the result is a fail, the Actual4Dumps money back guarantee has you covered: file within 2 days of the exam with a scan of your enrollment slip and the official score report (PDF), and the claim is processed within 7 days. The candidate name must match the payer name; exams taken within 3 days of purchase, purchases never used in an actual attempt, free materials, and expired orders fall outside the policy. Not interested in a refund? Exchange the product for two free exam packages of equal value and keep the update service on your original purchase.

                                                            Formally known as the CCIE Routing and Switching Written Exam, the 400-101 exam is Cisco's way of certifying that you can apply its technologies to real-world problems — pass it, and you hold the CCIE Routing and Switching certification, a Expert-level credential. Because it is vendor-backed and skills-driven, employers treat it as proof rather than promise. It also feeds into a wider path that includes CCIE Routing and Switching, CCIE.

                                                            Book your Cisco CCIE Routing and Switching Written seat through these official channels:

                                                            One practical note: the 400-101 exam is delivered Delivered via Pearson VUE; onsite proctored test center exam; retired effective February 23, 2020, so factor that into which slot you choose.

                                                            There is — Actual4Dumps publishes a free PDF demo of the 400-101 materials, so you can verify the accuracy and relevance of the questions before committing a cent. Buying unlocks 365 days of free updates on top of the full question bank, and if your product ever expires, the update service renews at a 50% discount from your member zone.

                                                            No formal prerequisites; written exam required before attempting CCIE Routing and Switching Lab Exam

                                                            Requirements like these evolve, so before locking in an exam date, double-check the current rules on the official Cisco exam page.

                                                            Cisco CCIE Routing and Switching Written Sample Questions:

                                                            Question #1

                                                            Refer to the exhibit.

                                                            Which option describes the purpose of the as-set argument of the aggregate-address command?

                                                            • A. It provides an AS path in the aggregate advertisement that includes the AS numbers of the component members
                                                            • B. It provides an AS path in the aggregate advertisement that contains only the local AS number
                                                            • C. It provides a list of AS numbers to which the aggregate is advertised
                                                            • D. It provides a predefined AS path in the aggregate advertisement that is used to indicate an aggregate prefix
                                                            Reveal Solution  Discussion  0

                                                            Correct Answer: A  🗳️

                                                            Question #2

                                                            In which two modes do IPv6-in-IPv4 tunnels operate? (Choose two.)

                                                            • A. ISATAP mode
                                                            • B. 6to4 mode
                                                            • C. transport mode
                                                            • D. 4to6 mode
                                                            • E. tunnel mode
                                                            Reveal Solution  Discussion  0

                                                            Correct Answer: C,E  🗳️

                                                            Question #3

                                                            Refer to the exhibit.

                                                            Which two statements about the output are true? (Choose two.)

                                                            • A. This switch is the root bridge for VLAN1.
                                                            • B. Setting the priority of this switch to 0 for VLAN 1would cause it to become the new root.
                                                            • C. Spanning tree PortFast is enabled on GigabitEthernet1/1.
                                                            • D. Spanning-tree PortFast should not be enabled on GigabitEthernet2/1.
                                                            • E. 802.1w spanning tree is being used.
                                                            Reveal Solution  Discussion  0

                                                            Correct Answer: B,D  🗳️

                                                            Question #4

                                                            Drag each IS-IS command on the left to its effect on the right.

                                                            Reveal Solution  Discussion  0

                                                            Correct Answer:

                                                            Question #5

                                                            Drag each NTP command on the left to its effect on the right

                                                            Reveal Solution  Discussion  0

                                                            Correct Answer:

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