Question 1

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 2

What is true about the VSX switches in EVPN VXLAN?

Options :

A : You should make the two switches in the VSX pair operate as a single logical VTEP

B : VSX stacking and EVPN VXLAN are mutually exclusive

C : Each member of the VSX acts as standalone from the EVPN VXLAN perspective

Answer: A

Question 3

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 4

You have VSX Pairs of CX 10000 48-Port 25G SFP28 Switches (Front/Port to Back/Power airflow) with 2 DACs for ISL. What is the maximum interface speed for each DAC connection?

Options :

A : 10

B : 50

C : 25

D : 100G DAC

Answer: D

Question 5

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

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