Free Cisco 642-996 Exam Dumps Questions & Answers

Why is QoS best applied in the aggregation layer of the data center network?

• A.  QoS should be applied to the core layer, which is strictly Layer 3.
• B.  Layer 2 statistics collection from the aggregation layer is easier than from the core layer.
• C.  It is the only layer that uses VLANs.
• D.  It is usually where Layer 2 and Layer 3 are demarcated.

Which of the following statements describes the data center core?

• A.  Layer 2 should not be used in the core layer.
• B.  Layer 2 provides faster convergence than Layer 3.
• C.  Layer 2 STP path blocking should always be used.
• D.  Layer 2 domains should be limited to point-to-point.

Your customer has asked you to recommend a data center storage design that includes
Multihop
FCoE for 400 database servers running on Cisco UCS C460M2 Rack Servers with Cisco
UCS VIC 1225. Which of these server connectivity options are Cisco recommended for scalability and costeffectiveness?

• A.  Server > Cisco Nexus 5548UP > Cisco Nexus 7018 > CISCO MDS9500
• B.  Server > Cisco Nexus 2232PP > Cisco Nexus 7018 > CISCO MDS 9500
• C.  Server > Cisco Nexus 4001i > Cisco Nexus 7018 > CISCO MDS 9500
• D.  Server > Cisco Nexus 3548 > Cisco Nexus 7018 > CISCO MDS 9500

You must use one logical uplink for Fibre Channel traffic and Ethernet traffic on a Cisco
UCS system. Which type of port should you use to accomplish this task?

• A.  uplink
• B.  FCoE uplink
• C.  server
• D.  FCoE storage

Which two options are requirements to implement the Route Health Injection feature in a data center? (Choose two.)

• A.  firewall services enabled on a Cisco Catalyst 6500 Series Switch
• B.  integrated services enabled on a Cisco Nexus 5000 Series Switch
• C.  integrated services enabled on a Cisco Catalyst 6500 Series Switch
• D.  a Layer 2 connection between the service chassis and the aggregation switch
• E.  a routing protocol configured between the service chassis and the aggregation switch