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Designing Cisco Data Center Infrastructure (DCID) v6.0

QUESTION 191

Which two options are benefits of credit-based flow control in a Fibre Channel network? (Choose two.)

 

A.

sends credit to all of the switchesin a SAN zone

B.

increases the credit limit when the buffer overruns

C.

maximizes performance under high loads

D.

prevents the loss of frames due to buffer overruns

E.

provides automatic buffer scaling under high loads

 

Correct Answer: DE

Explanation:

http://icon.clnchina.com.cn/images/UCS_data_path_troubleshooting.pdf(page 12)

 

 

QUESTION 192

Layer 2 forwarding of multicast traffic with vPC is based on which modified protocol?

 

A.

CGMP

B.

PIM SS

C.

Auto-RP

D.

IGMP snooping

E.

Destination-based trees

 

Correct Answer: D

 

 

QUESTION 193

The classical aggregation layer design does not provide isolation on the control plane and on the data plane. What is the solution to this problem?

 

A.

STP

B.

VDC

C.

Cisco ISO ISSU

D.

HSRP

 

Correct Answer: B

 

 

 

 

 

QUESTION 194

Classical aggregation layer designs do not provide isolation of the control and data planes. What provides a solution to this limitation?

 

A.

STP

B.

VDC

C.

ISSU

D.

HSRP

 

Correct Answer: B

 

 

QUESTION 195

Which statement about OTV-extended VLANs that have a SVI associated on the same physical Cisco Nexus 7000 is true?

 

A.

This setup requires use of F-Series line cards.

B.

Traffic traversing the OTV domain must come from the default VDC.

C.

The Cisco Nexus 7000 must be the spanning-tree root for the VLAN.

D.

Deployment of a dedicated OTV VDC is necessary.

 

Correct Answer: D

 

 

QUESTION 196

Which three control plane operations are used by vPC? (Choose three.)

 

A.

ARP cache

B.

MAC address learning

C.

CGMP snooping

D.

LACP

E.

BPDUs

 

Correct Answer: ABE

 

 

QUESTION 197

From a data center design perspective, which of the following is true in regard to network management tools like Cisco Data Center Network Manager (DCNM) and CiscoWorks LAN Management Solution (LMS)?

 

A.

Cisco DCNM is positioned to manage non-Nexus OS gear like the Catalyst 6500 Series, Catalyst 6500 Series FWSM, and Cisco UCS.

B.

Platform-specific, advanced data center features should be managed by Cisco DCNM and provided to CiscoWorks LMS.

C.

CiscoWorks LMS should be used to manage the LAN network, while Cisco DCNM will manage the SAN network.

D.

Cisco DCNM should be used to manage everything except the aggregation service layer.

 

Correct Answer:
B

 

 

 

QUESTION 198

Which three characteristics are associated with the aggregation layer of a Data Center Unified Fabric network? (Choose three.)

 

A.

no packet manipulation

B.

QoS–policing

C.

voice, data, and wireless convergence

D.

scalable routing protocols like OSPF

E.

provides default gateway redundancy

F.

QoS–classification and queuing

G.

routing manipulation and filtering

H.

aggregates end users

 

Correct Answer: BEG

 

 

QUESTION 199

Which option is needed to implement MACsec on a Cisco Nexus 7000 device?

 

A.

Supervisor 2E module

B.

Advanced Security license

C.

RADIUS server

D.

M-Series or F3 line cards

 

Correct Answer: D

 

 

QUESTION 200

Which four statements about Cisco Overlay Transport Virtualization are true? (Choose four.)

 

A.

OTV is a “MAC in IP” technique for supporting Layer 2 VLANs over any transport.

B.

OTV is not a public standard, even though the technology is based on standardized protocols.

C.

OTV is public standard because the technology is based on standardized protocols.

D.

OTV is supported on all M-Series modules of Cisco Nexus 7000.

E.

OTV is core and site transparent. Changes to the Layer 2 design of the sites are needed.

F.

OTV enables the network administrator to statically map MAC addresses to IP addresses.

G.

OTV cannot support multiple concurrent overlays.

H.

OTV supports Catalyst 6500.

 

Correct Answer: ABDF

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