Cisco CCIE Routing and Switching Written - 400-101

Cisco 400-101 Actual PDF
  • Exam Code: 400-101
  • Exam Name: CCIE Routing and Switching Written Exam
  • Updated: Sep 10, 2026
  • Q & A: 150 Questions and Answers
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About Cisco 400-101 Actual Exam

Studying should fit your life, not rearrange it. The ActualPDF online version runs the Cisco CCIE Routing and Switching Written simulation on phones, tablets, and computers alike, so 400-101 practice happens wherever you are.

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:18 months eligibility toward the CCIE Routing and Switching Lab Exam
Real Exam Qty:90-110
Exam Price:USD 450
Related Certifications:CCIE Routing and Switching
Available Languages:English, Japanese
Exam Format:Scenario-Based Questions, Multiple Answer, Drag and Drop, Multiple Choice
Passing Score:Variable (Cisco does not publish passing scores)
Sample Questions: DOWNLOAD DEMO
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:
SectionWeightObjectives
Topic 1: Network Principles10%- Network Design
  • 1. High Availability
  • 2. Scalability and Resiliency
- OSI and TCP/IP Models
  • 1. Network Architecture Concepts
  • 2. IPv4 and IPv6 Fundamentals
Topic 2: Infrastructure Security10%- Control Plane Security
  • 1. AAA
  • 2. Device Hardening
- Layer 2 Security
  • 1. Dynamic ARP Inspection
  • 2. DHCP Snooping
Topic 3: Layer 3 Technologies35%- Routing Protocols
  • 1. OSPF
  • 2. IS-IS
  • 3. EIGRP
  • 4. BGP
- Route Redistribution
  • 1. Filtering and Path Control
- IPv6 Routing
  • 1. IPv6 Addressing
  • 2. IPv6 Routing Protocols
Topic 4: VPN Technologies10%- MPLS
  • 1. Layer 3 VPNs
  • 2. MPLS Fundamentals
Topic 5: Infrastructure Services15%- Quality of Service
  • 1. Classification and Marking
  • 2. Congestion Management
- Network Management
  • 1. NetFlow
  • 2. Syslog
  • 3. SNMP
Topic 6: Layer 2 Technologies20%- Spanning Tree
  • 1. STP
  • 2. MST
  • 3. RSTP
- LAN Switching
  • 1. Trunking
  • 2. EtherChannel
  • 3. VLAN Technologies

Cisco 400-101 Exam: What Candidates Want to Know

Cisco CCIE Routing and Switching Written is an official Cisco certification exam, registered under the code 400-101. Passing it awards the CCIE certification, a credential at the Expert level. It also connects to CCIE Routing and Switching. The exam is demanding by design, and that difficulty is precisely what makes the credential meaningful for career development.

The Cisco CCIE Routing and Switching Written exam presents 90-110 questions within 120 minutes. That is a brisk pace, and the candidates who handle it best are the ones who rehearsed it. Use the ActualPDF engine for full timed simulations, practice flagging and returning, and arrive on exam day with a pacing strategy already proven.

Passing Cisco CCIE Routing and Switching Written takes Variable (Cisco does not publish passing scores), and official registration costs USD 450. Retakes bill the full USD 450 again, so preparation is the least expensive insurance available. Let your ActualPDF practice scores guide the timing: book when you clear the requirement consistently, not occasionally.

No formal prerequisite. Passing this written exam qualified candidates to attempt the CCIE Routing and Switching Lab Exam.

Policies get revised, so confirm the current requirements before you register on the official exam page.

Yes. ActualPDF offers a free demo of the Cisco CCIE Routing and Switching Written questions, so you can verify the quality personally before purchasing. Your purchase then includes a one-year service warranty: updates are free for 365 days, and after expiry you can extend the update service at a 50% discount.

Your money is protected by a 100% money-back guarantee with defined conditions. Take the Cisco CCIE Routing and Switching Written exam within 60 days of purchase; if you fail, you may claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. You may instead wait for the update version or change to other exam material: exchange for two other exam products of equal value, free, with your original purchase keeping its update service.

Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service, online 7/24 even on official holidays. Installation is unlimited across your computers.

Cisco CCIE Routing and Switching Written is organized into 6 official domains. The most heavily weighted are Infrastructure Security (10%), Infrastructure Services (15%), and VPN Technologies (10%). The full breakdown appears above on this page; study the weightings and your preparation priorities set themselves.

Cisco CCIE Routing and Switching Written Sample Questions:
Question #1

Drag and drop the NAT operations on the left into the correct sequential order on the right.

Answer:

Question #2

Which two statements about redistribution are true? (Choose two.)

  • A. iBGP routes automatically redistribute into the IGP if the routes are in the routing table.
  • B. When BGP traffic is redistributed into OSPF, the metric is set to 1 unless the metric is defined.
  • C. When EIGRP traffic is redistributed into BGP, a default metric is required.
  • D. When OSPF traffic is redistributed into BGP, internal and external routes are redistributed.
  • E. When BGP traffic is redistributed into OSPF, eBGP and iBGP routes are advertised.
  • F. When EIGRP routes on a CE are redistributed through a PE into BGP, the Cost Community POI is set automatically.
Answer: B,F
Question #3

Which two options describe the effect of configuring an interface as passive under OSPF? (Choose two)

  • A. The interface processes OSPF hello packets and also sends hello packets.
  • B. An adjacency cannot be established, and the interface is included in the routing protocol update.
  • C. The interface processes OSPF hello packets but does not send hello packets.
  • D. An adjacency cannot be established, and the interface is not included in the routing protocol update.
  • E. An adjacency can be established, and the interface is not included in the routing protocol update.
Answer: B,C
Question #4

Drag and drop the description on the left to the correct EIGRP term on the right. Not all option are used

Answer:

Question #5

Which three statements are true about PPP CHAP authentication? (Choose three)

  • A. By default, the router uses its hostname to identify itself to the peer.
  • B. The LCP phase must be complete and in open state.
  • C. PPP encapsulation must be enabled on the interface.
  • D. The LCP phase must be complete and in closed state.
  • E. PPP encapsulation must be enabled globally.
  • F. The hostname used by a router for CHAP authentication cannot be changed.
Answer: A,B,C

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