Cisco ENCOR Network Virtualization 3

Question 1

Which header field uniquely identifies a VXLAN segment and is carried in the VXLAN header?

Accepted Answer

VNI (VXLAN Network Identifier)

Answer

VLAN tag

Answer

GRE key

Answer

MPLS label

Question 2

In Cisco SD-WAN, which protocol is used between vSmart controllers and WAN Edge routers to exchange routes and policies?

Accepted Answer

OMP

Answer

BGP

Answer

OSPF

Answer

EIGRP

Question 3

What is a key advantage of using VXLAN over traditional VLANs in large data centers?

Accepted Answer

Support for up to 16 million segments vs 4,096 VLANs

Answer

Lower latency

Answer

Built-in encryption

Answer

No need for spanning tree

Question 4

Which component in an NFV architecture is responsible for lifecycle management of VNFs?

Accepted Answer

VNFM

Answer

NFVI

Answer

VIM

Answer

OSS

Question 5

In LISP, what does the ITR do when it cannot find an EID-to-RLOC mapping in its cache?

Accepted Answer

Sends a Map-Request to the Map Resolver

Answer

Drops the packet

Answer

Floods the packet

Answer

Sends the packet natively

Question 6

Which Cisco SD-WAN feature allows traffic to be steered based on application-aware policies?

Accepted Answer

Application-Aware Routing (AAR)

Answer

PBR

Answer

WCCP

Answer

IP SLA