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Cisco CCIE 400-101

400-101

Exam Code: 400-101

Exam Name: CCIE Routing and Switching Written Exam

Updated: Aug 30, 2026

Q&A Number: 150 Q&As

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About Cisco 400-101 Exam Braindumps

Getcertkey offers 400-101 exam preparation in three flexible formats: a printable PDF for study anywhere, a desktop test engine for realistic offline practice, and an online test engine that runs in any browser. However you prefer to prepare, the Cisco CCIE Routing and Switching Written material fits your routine.

Cisco 400-101 Exam Overview:

Certification Vendor:Cisco
Exam Name:CCIE Routing and Switching Written Exam v5.1
Exam Number:400-101
Certificate Validity Period:3 years from pass date
Related Certifications:CCIE Routing and Switching
CCIE
Passing Score:790 / 1000 scaled score
Exam Price:$400 USD
Available Languages:English
Exam Duration:120 minutes
Exam Format:Simulations, Drag-and-drop, Testlets, Multiple-choice single/multiple answer
Real Exam Qty:90–110
Recommended Training:CCIE Routing and Switching Prep
Cisco Official Training
Exam Registration:Cisco Learning Network
Pearson VUE Registration
Sample Questions:Free Download 400-101 Demo
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
Layer 2 Technologies15%- LAN switching
  • 1. EtherChannel, LACP, PAgP
    • 2. Switch security, private VLANs, storm control
      • 3. UDLD, LLDP, CDP, SPAN/RSPAN/ERSPAN
        • 4. VLANs, trunking, DTP, VTP
          • 5. Spanning Tree Protocol (802.1D, PVST+, RSTP, MSTP)
            Evolving Technologies10%- Network virtualization
            • 1. Cloud connectivity
              • 2. SDN, programmability, APIs
                • 3. Network automation tools
                  Layer 3 Technologies40%- IPv4 and IPv6 addressing
                  • 1. Static routing, RIP, OSPFv2/v3
                    • 2. Route redistribution, filtering, summarization
                      • 3. Multicast routing (PIM, IGMP, MSDP)
                        • 4. EIGRP for IPv4 and IPv6
                          • 5. BGPv4 and BGP for IPv6
                            VPN Technologies10%- IPsec, GRE, DMVPN
                            • 1. MPLS, L3VPN, L2VPN
                              • 2. GET VPN, FlexVPN
                                • 3. VRF-lite, VRF-aware services
                                  Network Principles10%- Network theory
                                  • 1. Control plane vs Forwarding plane
                                    • 2. IP operations (ICMP, fragmentation, TTL, MTU)
                                      • 3. IOS vs IOS XE architecture
                                        • 4. TCP operations (MSS, PMTU, windowing)
                                          • 5. Cisco Express Forwarding (RIB/FIB/LFIB/Adjacency)
                                            Infrastructure Security10%- Control plane policing
                                            • 1. Routing protocol authentication
                                              • 2. AAA, TACACS+, RADIUS
                                                • 3. Unicast Reverse Path Forwarding
                                                  • 4. Device hardening, access control lists
                                                    Infrastructure Services5%- Network address translation
                                                    • 1. Network Time Protocol
                                                      • 2. SNMP, NetFlow, IP SLA
                                                        • 3. First Hop Redundancy Protocols (HSRP, VRRP, GLBP)
                                                          • 4. Quality of Service mechanisms

                                                            Cisco CCIE Routing and Switching Written Exam FAQ: What Candidates Ask Most

                                                            What is the Cisco 400-101 exam?

                                                            The 400-101 exam is the official Cisco exam behind the CCIE Routing and Switching certification, validating the skills measured by the Cisco CCIE Routing and Switching Written credential. It sits at the Expert level of the Cisco certification program. It also connects to CCIE Routing and Switching, CCIE, so the knowledge you build here carries over to those tracks as well.

                                                            How many questions are on the 400-101 exam, and how much time do I get?

                                                            The 400-101 exam contains 90–110 questions to be completed within 120 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.

                                                            What score do I need to pass the 400-101 exam, and what does it cost?

                                                            The passing score for the 400-101 exam is 790 / 1000 scaled score, and the official registration fee is $400 USD. Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 150 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.

                                                            Are there any prerequisites for the 400-101 exam?

                                                            No formal prerequisites; written exam required before attempting CCIE Routing and Switching Lab Exam Requirements can change when Cisco revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

                                                            How do I register for the 400-101 exam?

                                                            You can book the Cisco CCIE Routing and Switching Written exam through the official registration channels below:

                                                            As for delivery, the exam is offered in the following format: Delivered via Pearson VUE; onsite proctored test center exam; retired effective February 23, 2020. Choose the option that suits you best when you book your seat.

                                                            What official training is recommended for the 400-101 exam?

                                                            Cisco recommends the following training resources for the Cisco CCIE Routing and Switching Written exam:

                                                            Official courses build the foundation; the 150 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.

                                                            Can I try the 400-101 practice questions before I buy?

                                                            Yes. Getcertkey provides a free 400-101 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Cisco revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.

                                                            What if I fail the 400-101 exam, and how is my order delivered?

                                                            Every Cisco CCIE Routing and Switching Written purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.

                                                            Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.

                                                            What topics are covered in the 400-101 exam?

                                                            The Cisco CCIE Routing and Switching Written exam blueprint is organized into 7 domains. The first three are:

                                                            • Infrastructure Services — 5% of the exam
                                                            • Evolving Technologies — 10% of the exam
                                                            • VPN Technologies — 10% of the exam

                                                            For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.

                                                            Cisco CCIE Routing and Switching Written Sample Questions:

                                                            Question 1

                                                            Which two restrictions exist for BGP Outbound Route Filtering? (Choose two)

                                                            A. I can be used only with iBGP
                                                            B. Multicast is not supported
                                                            C. It requires access list to match to routes
                                                            D. It can be used only with eBGP
                                                            E. It can be used only with IPv4 multicast


                                                            Question 2

                                                            Which two application protocols require application layer gateway support when using NAT on a Cisco router? (Choose two.)

                                                            A. SMTP
                                                            B. SIP
                                                            C. POP3
                                                            D. HTTP
                                                            E. FTP


                                                            Question 3

                                                            Which statement about EIGRP request packets is true?

                                                            A. They determine whether a destination is reachable
                                                            B. They are transmitted via broadcast
                                                            C. They are sent in response to queries
                                                            D. They are transmitted unreliably


                                                            Question 4

                                                            Refer to the exhibit.

                                                            What is the PHB class on this flow?

                                                            A. EF
                                                            B. CS4
                                                            C. AF21
                                                            D. none


                                                            Question 5

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


                                                            Solutions:

                                                            Question 1
                                                            Answer: B,D
                                                            Question 2
                                                            Answer: B,E
                                                            Question 3
                                                            Answer: D
                                                            Question 4
                                                            Answer: B
                                                            Question 5
                                                            Answer: Only visible for members

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