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Cisco CCDA 640-864

640-864

Exam Code: 640-864

Exam Name: Designing for Cisco Internetwork Solutions

Updated: Aug 27, 2026

Q&A Number: 241 Q&As

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About Cisco 640-864 Exam Braindumps

From your first practice question to exam day, Getcertkey covers the entire 640-864 journey: a free demo, 241 practice questions in three formats, a full year of free updates, and a clear refund policy. Preparing for the Cisco Designing for Cisco Internetwork Solutions exam has rarely been this straightforward.

Cisco 640-864 Exam Overview:

Certification Vendor:Cisco
Exam Name:Designing for Cisco Internetwork Solutions (DESGN)
Exam Number:640-864
Real Exam Qty:65-75
Exam Duration:75 minutes
Certificate Validity Period:3 years
Available Languages:English, Japanese
Related Certifications:Cisco Certified Design Associate (CCDA)
Exam Format:Simulation-Based Questions, Multiple Answer, Drag and Drop, Multiple Choice
Sample Questions:Free Download 640-864 Demo
Exam Way:Computer-based exam delivered at authorized Pearson VUE testing centers.
Pre Condition:No mandatory prerequisite. Cisco recommended knowledge equivalent to CCNA-level networking and experience with Cisco network technologies.
Official Syllabus URL:https://www.cisco.com/site/us/en/learn/training-certifications/exams/retired.html

Cisco 640-864 Exam Syllabus Topics:

SectionObjectives
Wireless, Voice, and Network Services- Integrated network services
  • 1. Wireless LAN design considerations
    • 2. Voice and unified communications
      • 3. Quality of Service design
        Enterprise Network Architecture- Cisco Enterprise Architecture
        • 1. Campus design
          • 2. Branch, teleworker, and data center modules
            • 3. Enterprise edge design
              IP Addressing and Routing Design- Layer 3 design
              • 1. Route scalability and convergence
                • 2. Routing protocol selection
                  • 3. IPv4 addressing and summarization
                    LAN and Campus Design- Hierarchical network design
                    • 1. Access, distribution, and core layers
                      • 2. High availability and redundancy
                        • 3. Scalability considerations
                          WAN Design- WAN technologies and connectivity
                          • 1. Bandwidth and SLA considerations
                            • 2. Site-to-site connectivity
                              • 3. Service provider options
                                Security Design- Enterprise security architecture
                                • 1. Secure network management
                                  • 2. Defense-in-depth principles
                                    • 3. Firewalls, VPNs, and intrusion prevention
                                      Network Management and Design Validation- Operations and lifecycle
                                      • 1. Design verification and pilot testing
                                        • 2. PPDIOO lifecycle methodology
                                          • 3. Monitoring and management tools
                                            Design Methodologies and Requirements Analysis- Customer business goals and technical requirements
                                            • 1. Identify technical requirements and constraints
                                              • 2. Apply the top-down network design methodology
                                                • 3. Gather business requirements

                                                  Common Questions About the Cisco 640-864 Exam

                                                  What is the Cisco Designing for Cisco Internetwork Solutions exam all about?

                                                  The 640-864 exam is the official Cisco exam behind the CCDA certification, validating the skills measured by the Cisco Designing for Cisco Internetwork Solutions credential. It sits at the Associate level of the Cisco certification program. It also connects to Cisco Certified Design Associate (CCDA), so the knowledge you build here carries over to those tracks as well.

                                                  How many questions are on the 640-864 exam, and how much time do I get?

                                                  The 640-864 exam contains 65-75 questions to be completed within 75 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.

                                                  Are there any prerequisites for the 640-864 exam?

                                                  No mandatory prerequisite. Cisco recommended knowledge equivalent to CCNA-level networking and experience with Cisco network technologies. Requirements can change when Cisco revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

                                                  Can I try the 640-864 practice questions before I buy?

                                                  Yes. Getcertkey provides a free 640-864 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 640-864 exam, and how is my order delivered?

                                                  Every Cisco Designing for Cisco Internetwork Solutions 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 640-864 exam?

                                                  The Cisco Designing for Cisco Internetwork Solutions exam blueprint is organized into 8 domains. The first three are:

                                                  • Enterprise Network Architecture
                                                  • WAN Design
                                                  • Security Design

                                                  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 Designing for Cisco Internetwork Solutions Sample Questions:

                                                  Question 1

                                                  What two access point modes support the transmission of user traffic over a LWAPP/CAPWAP tunnel? (Choose two.)

                                                  A. standalone
                                                  B. sniffer
                                                  C. rogue detector
                                                  D. H-REAP
                                                  E. local
                                                  F. monitor


                                                  Question 2

                                                  Which three technologies are recommended to be used for WAN connectivity in today's Enterprise Edge designs? (Choose three.)

                                                  A. Metro Ethernet
                                                  B. DWDM
                                                  C. Frame Relay
                                                  D. Wireless
                                                  E. DSL
                                                  F. ISDN
                                                  G. MPLS VPN


                                                  Question 3

                                                  Which two can be used as a branch office WAN solution? (Choose two.)

                                                  A. frame relay
                                                  B. MPLS
                                                  C. Metro Ethernet
                                                  D. GPRS
                                                  E. 3G USB modems
                                                  F. dial-up modem


                                                  Question 4

                                                  Which protocol is the recommended first-hop redundancy protocol for an existing infrastructure that contains multiple vendors and platforms?

                                                  A. VRRP
                                                  B. OSPF
                                                  C. HSRP
                                                  D. IGRP


                                                  Question 5

                                                  An engineer has configured a router to send level 7 messages to a syslog server.
                                                  What severity level are these messages?

                                                  A. informational
                                                  B. warning
                                                  C. debug
                                                  D. error
                                                  E. notice


                                                  Solutions:

                                                  Question 1
                                                  Answer: D,E
                                                  Question 2
                                                  Answer: A,B,G
                                                  Question 3
                                                  Answer: B,C
                                                  Question 4
                                                  Answer: A
                                                  Question 5
                                                  Answer: C

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