多項(xiàng)選擇題What are two appropriate uses for Internet Protocol TV broadcasting (IP/TV) technology? （）

A.Enabling online collaboration among research personnel
B.Delivering a strategic business update from the CEO to all personnel
C.Enabling an interactive virtual classroom for sales personnel in remote locations
D.Delivering information about changes in health benefit enrollment to all personnel


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2.單項(xiàng)選擇題Which benefit does digital subscriber line (DSL) systems for broadband access provide to the user?（）

A.Secure access to company extranet
B.Dedicated lines for high security data transfer
C.Simple solution for high-quality digital video using coaxial cable
D.Data and audio signals that share the same communications infrastructure

3.單項(xiàng)選擇題Which network technology allows for the monitoring of active communication networks to diagnose problems and gather statistics for network administration?（）

A.Network security
B.Content networking
C.Network management
D.Campus local-area networking

5.單項(xiàng)選擇題How does a switch respond when it receives a message?（）

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.

6.多項(xiàng)選擇題Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）

A.IP telephones
B.Voice gateways
C.Call management software
D.Media Convergence Servers (MCSs)

7.單項(xiàng)選擇題What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）

A.QoS
B.Centrex
C.Packet encryption
D.Intelligent call routing

8.單項(xiàng)選擇題Why is QoS important in a converged network?（）

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

9.單項(xiàng)選擇題You are the network consultant from passguide.com. Could you please tell customers what strategy will protect network resources and services from unauthorized actions?（）

A.Network management
B.Network optimization
C.Network security
D.Content storage networking

10.單項(xiàng)選擇題Which network technology addresses these customer business needs: shrinking budgets and IT staffs, more complex networks, and an increased need for network security?（）

A.Optical network
B.Network management
C.Storage-area network (SAN)
D.Content delivery network (CDN)