642-996 試験問題を無料オンラインアクセス

Given the requirements, which Cisco Nexus product is Cisco recommended?
A rich feature set that makes it well suited to top-of-rack, middle-of-row, or end-of-row access-layer applications.
Data center racks with standards-based 1 and 10 Gigabit Ethernet and FCoE features, and virtual machine awareness features that allow IT departments to consolidate networks.
A combination of high port density, lossless Ethernet, wire-speed performance, and extremely low latency that makes the switch family well suited to meet the growing demand for 10 Gigabit Ethernet.

• A.1010
• B.1000v
• C.3000
• D.4000
• E.5500
• F.2000

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

• A.Supervisor 2E module
• B.RADIUS server
• C.M-Series or F3 line cards
• D.Advanced Security license

Refer to the exhibit. Asymmetric connection attempts in the aggregation layer are occurring on redundant Cisco Catalyst 6500 Series FWSM modules. What change might prevent this problem?

• A.Add more Cisco Catalyst 6500 Series FWSM modules to each Cisco Catalyst 6500 switch.
• B.Implement route tuning and root guard.
• C.Reduce the oversubscription on the aggregation-to-access links.
• D.Configure round-robin load balancing between the Cisco Catalyst 6500 Series FWSM modules.

Which four options describe I/O Accelerator? (Choose four.)

• A.uses TCP
• B.does not support multiple paths and PortChannels
• C.provides load balancing
• D.is topology dependent
• E.is transport agnostic
• F.provides unified acceleration service
• G.provides high availability and resiliency
• H.Each IOA engine provides 1-Gbps application throughput.

Used in combination with DHCP snooping, which feature helps prevent spoofing attacks in the data center access layer?

• A.Dynamic ARP Inspection
• B.RPF
• C.IP TrustSec
• D.port security