Evolving Use Cases

Review Questions

The answers to these review questions appear in Appendix A, “Answers to Review Questions.”

1. BGP is an example of a technology found in what layer/plane of operation in a software-defined network?

   1. Management

   2. Control

   3. Data

   4. Application

2. What feature of the SD-WAN allows the network to seamlessly route and manage traffic over diverse transport media without dependency on the underlying physical connections?

   1. Central policy management

   2. Application awareness

   3. Zero-touch provisioning

   4. Transport agnostic

3. What protocol serves as the transport protocol for encapsulating Layer 2 Ethernet frames with Layer 3 packets in the VXLAN solution?

   1. UDP

   2. TCP

   3. ARP

   4. FHRP

4. What is the term given to the difference in the actual state of your infrastructure compared to the state defined in an IaC implementation?

   1. Version control

   2. Configuration drift

   3. Source control

   4. Conflict identification

5. How can the following IPv6 address be condensed? 2009:0123:4040:0000:0000:000:000A:100B

   1. 2009::123:404:A:100B

   2. 2009::123:404:A:1B

   3. 2009:123:4040::A:100B

   4. 2009:0123:4040::0::000A:100B

6. What technology allows for the automatic assignment of the host portion of an IPv6 address?

   1. Dual stack

   2. EUI-64

   3. Neighbor discovery

   4. Anycast

7. What can IPv6 networks use to assign IP addresses?

   1. SLAAC

   2. CIDR

   3. Port address translation

   4. Classless inter-domain routing notation

8. Which of the following is a network architecture that integrates wide area networking (WAN) capabilities with comprehensive network security functions such as Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), Firewall as a Service (FWaaS), and Zero Trust Network Access (ZTNA)?

   1. SD-WAN

   2. VXLAN

   3. SSE

   4. SASE

9. Which of the following involves connecting multiple data centers to provide a unified infrastructure, allowing for efficient resource sharing, workload mobility, and disaster recovery?

   1. NAT64

   2. SASE

   3. DCI

   4. SSE

10. Which of the following is a technology that facilitates communication between IPv6-only clients and IPv4-only servers, bridging the gap between the two distinct IP address families?

    1. NAT64

    2. Dual stack

    3. Conflict identification

    4. Branching