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Software-Defined Networking Security and Network Programmability

Chapter Description

In this sample chapter from CCNP and CCIE Security Core SCOR 350-701 Official Cert Guide, Omar Santos reviews exam objectives related to software-defined networking and network programmability.

Review Questions

  1. The RESTCONF interface is built around a small number of standardized requests. Which of the following are requests supported by RESTCONF?

    1. GET

    2. PUT

    3. PATCH

    4. All of these answers are correct.

  2. NETCONF messages are encoded in a(n) ________ structure defined by the NETCONF standard.

    1. JSON

    2. XML

    3. OWASP

    4. RESTCONF

  3. Which of the following is a Cisco resource where you can learn about network programmability and obtain sample code?

    1. APIC

    2. ACI

    3. DevNet

    4. NETCONF

  4. A YANG-based server publishes a set of YANG modules, which taken together form the system’s _________.

    1. YANG model

    2. NETCONF model

    3. RESTCONF model

    4. gRPC model

  5. Which of the following HTTP methods sends data to the server typically used in HTML forms and API requests?

    1. POST

    2. GET

    3. TRACE

    4. PUT

  6. Which of the following is a solution that allows you to detect security threats in encrypted traffic without decrypting the packets?

    1. ETA

    2. ESA

    3. WSA

    4. None of these answers is correct.

  7. Which of the following is an open source project that allows you to deploy micro-segmentation policy-based services in container environments?

    1. OVS

    2. Contiv

    3. ODL

    4. All of the above

  8. NFV nodes such as virtual routers and firewalls need which of the following components as an underlying infrastructure?

    1. A hypervisor

    2. A virtual forwarder to connect individual instances

    3. A network controller

    4. All of these answers are correct.

  9. There have been multiple IP tunneling mechanisms introduced throughout the years. Which of the following are examples of IP tunneling mechanisms?

    1. VXLAN

    2. SST

    3. NVGRE

    4. All of these answers are correct.

  10. Which of the following is true about SDN?

    1. SDN provides numerous benefits in the area of management plane. These benefits are in both physical switches and virtual switches.

    2. SDN changed a few things in the management, control, and data planes. However, the big change was in the control and data planes in software-based switches and routers (including virtual switches inside of hypervisors).

    3. SDN is now widely adopted in data centers.

    4. All of these answers are correct.

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