642-874 試験問題を無料オンラインアクセス

Which three major points are important for network virtualization to separate logical networks on a shared physical infrastructure? (Choose three.)

• A.data plane
• B.VPNs
• C.VLANs
• D.control plane
• E.VSANs
• F.management plane

DRAG DROP

正解：

Which configuration represents resiliency at the hardware and software layers?

• A.HSRP and GLBP
• B.multiple connections and FHRP
• C.dual uplinks and switches
• D.redundant supervisor and power supplies

Two recently merged companies are using EIGRP and RIP. Which two strategies can facilitate a smooth migration? (Choose two.)

• A.Use the EIGRP administrative distance to migrate one site at a time.
• B.Create an OSPF instance between EIGRP and RIP routing domains.
• C.Use static routes in place of dynamic routing between companies.
• D.Add EIGRP and then remove RIP on the acquired company network.
• E.Redistribute routing information between the RIP and EIGRP protocols.

Which option describes the effect of using softphones instead of VoIP handsets on QoS implementation for the voice traffic?

• A.It provides a Layer 2 CoS marking in the frames that can be used for QoS implementation.
• B.The voice traffic of softphones is mixed with data traffic of PC on the access VLAN.
• C.By using softphones, the implementation of a QoS depends only on trusting DSCP markings set by the PC.
• D.Using softphones means that 802.1Q tagging must be configured between the PC and the switch.