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

The mechanisms to create VXLAN tunnels

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

All hosts in the network

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

TRUE

FALSE

3. Which type of Networking model is this?

MPLS Model

Traditional Networking Model

Old Networking Model

SDN Model

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

Redundant components

PoE

Emphasis on high speed

QoS

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

Traditional-vs-cisco-fabricpath-data-center

It groups devices more efficiently

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

STP blocks the extra redundant links & stops Layer2 loops

All connections are 1GE which gives high data rates

6. Where do Access Switches normally sit?

At the edge of the WAN

At the distribution Layer

At the core Layer

At the edge of the LAN

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

Access layer

Edge layer

Distribution layer

Core layer

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

DWDM Optical networks

MPLS

Traditional Networks

SD-WAN

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

Southbound and Northbound API's in SDN

CENTRALIZED API’s

SOUTHBOUND API’s

LAYERED API’s

NORTHBOUND API’s

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

Aggregates distribution switches in very large campus LANs

Does not provides an aggregation point for access switches

Provides an aggregation point for access switches

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