In L3 Spine and Leaf design, which answer is correct?
A.
Leaf switches connect to other leaf switches
B.
Each leaf switch connects to each spine switch
C.
Each spine switch connects to all other spine switches in a full mesh
D.
Leaf switches connect to only one spine switch
Answer:
B
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 2
In ToR or Middle of Rack switch—Ports oriented to server ports:
A.
The airflow of the switches should be back to front (BF)
B.
The airflow of the switches should be front to back (FB)
C.
It does not matter which direction is the airflow
D.
It is recommended to use fanless Data Center Switches to overcome the heat generated
Answer:
A
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 3
In VSX, the ISL (InterSwitch Link):
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
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 4
ERPS (Ethernet Ring Protection Switching):
A.
Is not supported on CX 6400 switch series
B.
Prevents broadcast storms and implements fast-traffic switchover on a network where there are loops
C.
Does not prevent broadcast storms but implements fast-traffic switchover on a network where there are loops
D.
Is not supported on CX 8400 switch series
Answer:
B
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 5
You are designing overlay solutions for two Data Centers based on the Aruba CX platform. Each Data Center has two rooms and each room is its own fabric. What is the routing protocol used for EVPN advertisement within each room?
A.
OSPF
B.
iBGP
C.
eBGP
D.
EIGRP
Answer:
B
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 6
Choose the most suitable technology for the DCI (Data Center Interconnect) when Data Centers are geographically not in the same building:
A.
VSX
B.
ERPS + VRRP
C.
STP
D.
VSF
Answer:
B
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 7
When Data Centers are in the same campus, a simple solution could be a VSX LAG between pairs of VSX switches that allows the extension of L2 domains:
A.
True
B.
False
Answer:
A
User Votes:
A
50%
B
50%
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Question 8
What can be used to encrypt data in flight between untrusted locations?
A.
OSPF authentication
B.
MACSec
C.
GRE tunnels
D.
MD5 encryption
Answer:
B
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 9
Which CX switch model supports ERPS/VSX DCI?
A.
5130
B.
8100
C.
8325
D.
2930F
Answer:
C
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 10
What resiliency technologies relate to Default Gateway redundancy requirement on CX switches?
A.
VRRP
B.
CVLAN
C.
Transit VLAN
D.
VSX Active Gateway
E.
HSRP
Answer:
A, D
User Votes:
A
50%
B
50%
C
50%
D
50%
E
50%
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Question 11
In Aruba CX 8325 switches, what is true about port-groups?
A.
Can have transceivers that operate at 100 Gbps
B.
Each port-group can have different speed transceivers
C.
All port-groups transceivers need to be of the same speed
D.
Must have the same speed transceivers within a port-group
Answer:
D
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 12
Which of the following switches support both Front-to-Back and Back-to-Front airflow? (Select two)
A.
8400
B.
8360
C.
8325
D.
8320
Answer:
B, C
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 13
What is a rule of thumb for oversubscription ratio on the ToR switches for a two-tier network design?
A.
12:1-14:1
B.
1:1-2:1
C.
6:1-10:1
D.
3:1-5:1
Answer:
D
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A
50%
B
50%
C
50%
D
50%
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Question 14
You are designing overlay solutions for two Data Centers. Each Data Center has two rooms and each room is its own fabric. What is the underlay routing protocol between each data center room?
A.
iBGP
B.
RIP
C.
OSPF
D.
eBGP
Answer:
D
User Votes:
A
50%
B
50%
C
50%
D
50%
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Question 15
What delivery documents are included in the post-installation handover?