You work as a network technician at Certkiller .com. Your boss， Mrs. Certkiller， is interested in UTP categories.Match the appropriate environments with the correct UTP category.

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问答题

You work as a network technician at Certkiller .com. Your boss， Mrs. Certkiller， is interested in WAN Services.Match the appropriate WAN Services with the correct service type.

单项选择题

If voice and data traffic will be sent and received via a WAN links， what must be configured to provide a certain amount of dedicated bandwidth and to prioritize the voice traffic over other types of network traffic？（）

A.IPSec VPN
B.QoS mechanism
C.Firewall
D.NAT
E.EIGRP routing protocol
F.Static routing

多项选择题

You work as a network technician at Certkiller .com. Please study the exhibit carefully. All of the computing devices shown are on the same logical network， as if they were all connected to the same switch. Which two features make this possible？（）

A.PAT
B.802.1Q
C.Spanning-tree
D.VLANs
E.QoS