642-971 DCNID Real Exam Questions

Data Center Network Infrastructure Design

The 646-971 Cisco Data Center Network Infrastructure Design exam tests a candidate’s knowledge of the skills needed by a sales engineer to design and articulate a Cisco Data Center networking infrastructure solution to a customer.

1: Which Cisco product is deployed for content routing purposes?
B.Cisco ACE appliance
C.Cisco Content Engine 500
D.Cisco ACE Module
Correct Answers: A

2: Which statement is correct about Cisco Catalyst 6500 E-Series Switches?
A.They do not support CEF720 line cards.
B.All their FRUs are compatible with older Catalyst 6500 chassis.
C.They require different Cisco IOS code trains than older Catalyst 6500 chassis.
D.They support all existing supervisors, line cards, switch fabrics, and software releases.
Correct Answers: D

3: Under which two circumstances is Layer 2 adjacency required? (Choose two.)
A.when HSRP is used
B.when NSF with SSO is configured
C.when NIC teaming is implemented
D.when clustered applications are supported
E.when multiple access layer switches are attached to an aggregation module
Correct Answers: C D

4: Which is appropriate in situations where a switched fabric server is required for InfiniBand support, plus Ethernet and Fibre Channel integration?
A.Cisco SFS 3000
B.Cisco SFS 7000
C.Cisco MDS 9000
D.Cisco Virtual Blade Switch
Correct Answers: A

5: What simplifies troubleshooting and enhances protocol stability for OSPF?
A.using loopback interfaces
B.modifying the SPF delay hold time
C.advertising a default into the data center
D.changing the default reference bandwidth
Correct Answers: A

6: Which Cisco Catalyst 6500 Series FWSM mode of operation results in the least impact to the IP addressing scheme?
Correct Answers: C

7: Which hardware-based security feature mitigates DDoS attacks against the Cisco Nexus switch itself?
C.IP Source Guard
D.IP sanity checks
Correct Answers: B

8: Which Cisco Catalyst 6500 core technology enables Layer 2 multipathing, reducing reliance on STP?
C.virtual lanes
Correct Answers: A

9: Which two functional areas are covered by the Cisco TrustSec model? (Choose two.)
A.port scans
B.IP spoofing
C.DDoS attacks
D.packet confidentiality and integrity
E.access control via security group ACLs
Correct Answers: D E

10: Which feature is supported in the Cisco ASA 5580 Adaptive Security Appliance but not in the Cisco Catalyst 6500 Series FWSM?
D.stateful inspection
Correct Answers: A

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