Network Architectures, SDN & Automation Quiz (ENCOR/CCNP)

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1. What is Underlay in a Data Center design fabric?

The combination of overlays

All hosts in the network

The mechanisms to create VXLAN tunnels

The actual underlying devices and cables to provide IP connectivity to all nodes in the fabric

2. What is the function of the distribution layer of the Three-tier architecture?

Provides a connection point (access) for end-user devices

Aggregates distribution switches in very large campus LANs

Does not provides an aggregation point for access switches

Provides an aggregation point for access switches

3. At which of the following layers of the Cisco three-tier architecture should port security be implemented?

Edge layer

Core layer

Access layer

Distribution layer

4. Control Plane & Data plane are local in SDN Model:

TRUE

FALSE

5. Which type of solution provides lower cost & shorter time to deploy benefits?

DWDM Optical networks

SD-WAN

Traditional Networks

MPLS

6. What is the advantage of Cisco’s Fabricpath as compared to Traditional Data Center?

Traditional-vs-cisco-fabricpath-data-center

STP blocks the extra redundant links & stops Layer2 loops

It groups devices more efficiently

STP is not needed due to which it has extra Bandwidth & high speeds

All connections are 1GE which gives high data rates

7. Which type of API is used between Controller & Applications in SDN Model?

Southbound and Northbound API's in SDN

LAYERED API’s

NORTHBOUND API’s

CENTRALIZED API’s

SOUTHBOUND API’s

8. Where do Access Switches normally sit?

At the core Layer

At the edge of the LAN

At the distribution Layer

At the edge of the WAN

9. Which type of Networking model is this?

Old Networking Model

Traditional Networking Model

SDN Model

MPLS Model

10. Which of the following should be a characteristic of the core layer in the Cisco three-layer hierarchical model?

PoE

Emphasis on high speed

Redundant components

QoS