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

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1. Which type of Networking model is this?

MPLS Model

Old Networking Model

SDN Model

Traditional Networking Model

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

MPLS

SD-WAN

Traditional Networks

DWDM Optical networks

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

Core layer

Distribution layer

Edge layer

Access layer

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

QoS

PoE

Redundant components

Emphasis on high speed

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

Southbound and Northbound API's in SDN

LAYERED API’s

SOUTHBOUND API’s

NORTHBOUND API’s

CENTRALIZED API’s

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

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

Provides an aggregation point for access switches

Aggregates distribution switches in very large campus LANs

Does not provides an aggregation point for access switches

7. Where do Access Switches normally sit?

At the edge of the WAN

At the edge of the LAN

At the distribution Layer

At the core Layer

8. 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

All connections are 1GE which gives high data rates

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

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

TRUE

FALSE

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

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

The mechanisms to create VXLAN tunnels

All hosts in the network

The combination of overlays

M	T	W	T	F	S	S
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

Written by Arman Hasen