Testking offers free demo for 642-996 exam. "Designing Cisco Data Center Unified Fabric (DCUFD)", also known as 642-996 exam, is a Cisco Certification. This set of posts, Passing the Cisco 642-996 exam, will help you answer those questions. The 642-996 Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco 642-996 exams and revised by experts!
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Q1. Which command sequence represents a correct process to establish OSPF peer authentication credentials?
A.N7010-C2(config)# key chain OSPF N7010-C2(config-keychain)# key 0
N7010-C2(config-keychain-key)# key-string
B.N7010-C2(config)# key-chain 0
N7010-C2(config-key-chain)# key-name OSPF N7010-C2(config-key-chain-key)# key-string
C.N7010-C2(config)# key ring OSPF N7010-C2(config-keyring)# key 0
N7010-C2(config-keyring-key)# key-string
D.N7010-C2(config)# key-ring 0
N7010-C2(config-key-ring)# key-name OSPF N7010-C2(config-key-ring-key)# key-string
Answer: A
Q2. Which three items represent features of Cisco Virtual Port Channels? (Choose three)
A.Single control plane
B.Dual control planes
C.vPC appears as one switch to downstream switches
D.vPC appears as two switches to downstream switch
F. channel protocols include Static, PAgP, PAgP+, LACP
Answer: ACE
Q3. Which type of 40 Gigabit Ethernet optics should be used for interconnect when the number of multimode fiber strands used should be kept as low as possible?
A.40GBASE-SR4
B.40GBASE-LR4-Lite
C.40GBASE-SR-BiDi
D.40GBASE-CR4
Answer: C
Q4. What introduces unique implications into the overall Data Center aggregation layer design? (Choose Three.)
A.High-speed switching fabric with a high forwarding rate
B.Over-subscription values
C.Service Modules
D.IP routing
E.WAN
F.Internet Edge
Answer: ABC
Q5. 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
Answer: D
Q6. Which Cisco Nexus switch offers possibilities for implementation of the virtual switching layer in VMware?
A.Cisco Nexus 5596 Switch
B.Cisco Nexus 7010 Switch
C.Cisco Nexus 1000v Switch
D.Cisco Nexus 2248 FEX
Answer: C
Q7. What is the maximum number of vCPU and memory supported by a Cisco UCS B200 M3 blade server? (Choose two.)
A.16 vCPU
B.24 vCPU
C.384 GB memory
D.768 GB memory
Answer: BD
Q8. Which transceiver/cable type combination is the most cost effective solution to connect a Cisco Nexus 5548UP switch to a Nexus 2232PP fabric extender within the same rack?
A.Cisco FET-10G with OM3 cable
B.SFP-10GR with OM3 fiber cable
C.active Twinax cable
D.SFP-10GR with OM4 fiber cable
E.passive Twinax cable
Answer: E
Q9. Which four options describe I/O Accelerator? (Choose four.)
A.is topology dependent
B.provides unified acceleration service
C.provides high availability and resiliency
D.provides load balancing
E.is transport agnostic
F.Each IOA engine provides 1-Gbps application throughput.
G.uses TCP
H.does not support multiple paths and PortChannels
Answer: BCDE
Q10. Which technology provides the ability to use all links in a LAN topology by providing an active-active path to the upstream switch?
A.STP
B.vPC
C.PVST+
D.RSTP
Answer: B