A.Virus
B.Worm
C.Trojan
D.Executable
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A.It reads the Layer-5 information and sends the message directly to the intended computer.
B.It reads the Media Access Control (MAC) address and sends the message directly to the intended computer.
C.It reads the Layer-5 information and broadcasts the message to all the computers that are connected to the switch.
D.It reads the Media Access Control (MAC) address and broadcasts the message to all the computers that are connected to the switch.
A.IP telephones
B.Voice gateways
C.Call management software
D.Media Convergence Servers (MCSs)
A.QoS
B.Centrex
C.Packet encryption
D.Intelligent call routing
A.Because data does not need to arrive intact, so data transfer rates can be variable
B.Because lost voice-data packets must be retransmitted
C.Because voice data packets should arrive quickly and sequentially, and with no lost data
D.Because voice data packets must follow a single dedicated path through the network
A.Network management
B.Network optimization
C.Network security
D.Content storage networking
最新試題
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