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Cisco 642-972 Exam Overview:

Certification Vendor:Cisco
Exam Name:Data Center Application Services Design
Exam Number:642-972
Certificate Validity Period:3 years (historical Cisco certification validity policy)
Passing Score:Variable (Cisco scaled scoring, typically ~750-850/1000)
Exam Format:Scenario-based questions, Simulation-based questions, Multiple choice
Real Exam Qty:55-65
Exam Duration:90-120
Related Certifications:Cisco CCNP Data Center
Exam Price:USD 250 (historical; may vary by region)
Available Languages:English
Sample Questions:Cisco 642-972 Sample Questions
Exam Way:Computer-based exam (historical Pearson VUE testing centers / online proctoring depending on availability at the time)
Pre Condition:Recommended knowledge of CCNA/CCNP-level networking and basic data center architecture concepts
Official Syllabus URL:https://www.cisco.com/c/en/us/training-events/training-certifications/exams.html

Cisco 642-972 Exam Syllabus Topics:

SectionObjectives
Topic 1: Security and SSL Services- SSL offloading and termination
  • 1. Certificate management in ADC environments
    • 2. SSL termination modes
      - Application security integration
      • 1. Secure application delivery design principles
        • 2. Threat mitigation at application layer
          Topic 2: Application Services Architecture in Data Centers- Service integration points
          • 1. L4-L7 service insertion points
            • 2. Virtualized application services architecture
              - Data center application delivery models
              • 1. Client-server and multi-tier application architectures
                • 2. Application traffic flow design considerations
                  Topic 3: Deployment and Troubleshooting Considerations- Operational troubleshooting
                  • 1. Common ADC issues and diagnostics
                    • 2. Monitoring and logging strategies
                      - Deployment planning
                      • 1. Migration strategies for application services
                        • 2. Integration with data center infrastructure
                          Topic 4: Load Balancing and Application Delivery Controllers (ADC)- Cisco ACE and application services
                          • 1. ACE module deployment and design considerations
                            • 2. High availability and redundancy design
                              - Load balancing concepts
                              • 1. Round-robin, least connections, and hash-based methods
                                • 2. Persistence (sticky sessions)
                                  Topic 5: Scalability, Availability, and Performance Design- High availability design
                                  • 1. Active-active and active-standby architectures
                                    • 2. Failover mechanisms and redundancy planning
                                      - Performance optimization
                                      • 1. Latency reduction techniques
                                        • 2. Traffic optimization strategies

                                          Cisco Data Center Application Services Design Sample Questions:

                                          Question 1

                                          You work as the network administrator at Certpaper.com. You are deploying Cisco network for the company of which relates to Cisco Catalyst 6500 Series FWSM mode of operation, so as far as you know .which operation has the least impact to the IP addressing scheme?

                                          A. routed
                                          B. bridged
                                          C. transparent
                                          D. pass-through


                                          Question 2

                                          You are the network consultant from The Tech LTD. When will the server load balancing be preferred over data center entry configuration?

                                          A. asymmetric routing is present
                                          B. symmetric routing is present
                                          C. Source NAT must be used
                                          D. source NAT is required


                                          Question 3

                                          You are the network administrator for The Tech LTD .Your Layer 7 loaD.balancing application has the following features: The server tracks the client through an IP source address; Traffic enters the Cisco ACE Service Appliance on VLAN A but exits through the servers on a different VLAN. What is the simplest implementing mode?

                                          A. routed
                                          B. gss
                                          C. bridged
                                          D. DSR


                                          Question 4

                                          You are the senior desktop administrator for Certpaper.com. A potential customer casts doubt on
                                          the following conditions:
                                          The main data center is full.
                                          A new production system is coming on line this year.
                                          Five smaller data centers across the world are fragmented and uncoordinated.
                                          What would be a first-step to response?

                                          A. Move straight to a virtualization and provisioning strategy across all data centers
                                          B. Implement consolidation around the main data center using Cisco network embedded services as a means of reducing space, power, and heat in the main data center
                                          C. Create a new business continuity strategy to ensure that all the data centers are properly backed up
                                          D. Bring forward an application optimization solution so that the new production system could be sent from blade servers rather than rack-mounted servers


                                          Question 5

                                          You are the network consultant from The Tech LTD. You should explain to your customers three benefits of the DCAS product family. They are? (Choose three.)

                                          A. decrease storage requirements
                                          B. Enhance application performance
                                          C. Improve application security
                                          D. Increase application availability


                                          Solutions:

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

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