Question 1

You need to design a network that supports transmitting RDMA traffic over multiple IP hops. Which protocols must the switches support? (Select all that apply.)

Options :

A : ETS

B : IP ECN

C : PFC

D : QCN

Answer: A,B,C

Question 2

What can be used to encrypt data in flight between untrusted locations?

Options :

A : OSPF authentication

B : MACSec

C : GRE tunnels

D : MD5 encryption

Answer: B

Question 3

What can be exported using IRIS?

Options :

A : Devices' Data Sheets

B : Detailed routing configurations of all devices

C : Devices' quick specs

D : Bill Of Material

Answer: D

Question 4

Mention two disadvantages of the End-of-Row or Middle-of-Row switches in Data Center design

Options :

A : More equipment

B : Higher latency for rack-to-rack traffic within the row

C : Longer, more complex cabling within the row

D : Lower port density and less scalable

Answer: C,D

Question 5

In VSX, the ISL (InterSwitch Link):

Options :

A : Can be indirectly connected

B : Must be directly connected

C : Can be used for keep alive communications

D : They must be routed links

Answer: B

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