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Cisco Certified Design Expert CCDE v3.0 Questions 141–145 (page: 30)

Updated On: 10-Feb-2026

Which three components are part of the foundational information security principles of the CIA triad? (Choose three.)

  1. cryptography
  2. confidentiality
  3. authorization
  4. identification
  5. integrity
  6. availability

Answer(s): B,E,F



What is an architectural framework created by ETSI that defines standards to decouple network functions from proprietary hardware-based appliances and have them run in software on standard x86 servers?

  1. NPIV
  2. NFVIS
  3. NFV
  4. VNF

Answer(s): C



Which two features are advantages of SD-WAN compared to MPLS-based connectivity? (Choose two.)

  1. uses FEC constructs for traffic forwarding, thereby improving efficiency
  2. separates infrastructure and policy
  3. uses policy-based forwarding of real-time traffic with less complexity
  4. unifies the WAN backbone
  5. manages failures through backup links

Answer(s): C,D



Which two factors must be considered for high availability in campus LAN designs to mitigate concerns about unavailability of network resources? (Choose two.)

  1. device resiliency
  2. device type
  3. network type
  4. network resiliency
  5. network size

Answer(s): A,D



A key to maintaining a highly available network is building in the appropriate redundancy to protect against failure. This redundancy is carefully balanced with the inherent complexity of redundant systems. Which design consideration is relevant for enterprise WAN use cases when it comes to resiliency?

  1. Design in a way that expects outages and attacks on the network and its protected resources
  2. The design approach should consider simple and centralized management aspect
  3. Design in a way that it simplifies and improves ease of deployment
  4. Design automation tools wherever it is appropriate for greater visibility

Answer(s): A



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