單項(xiàng)選擇題

What is the first step that you would use Cisco Product Advisor for when selecting a router for an Edge solution?（）

A. determine types of protocols to be supported
B. determine the environment in which the router will be used
C. select the number of WAN ports required
D. select the number of LAN ports required

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多項(xiàng)選擇題

Dense Wavelength Division Multiplexing (DWDM) is an important innovation in optical networks.Which two descriptions best define DWDM?（）

A. optical technology for transmitting up to 32 channels over multiple fiber strands
B. optical technology for transmitting up to 16 channels over multiple fiber strands
C. a WDM system that is compatible with EDFA technology
D. a technology for transmitting more closely packed optical signals using more sophisticated transceiver designs than CWDM .

多項(xiàng)選擇題

You are the network consultant from Cisco.com. Please point out two statements correctly describe an IPS device（）

A. It resembles a Layer 2 bridge.
B. Traffic flow through the IPS resembles traffic flow through a Layer 3 router.
C. Inline interfaces which have no IP addresses cannot be detected.
D. Malicious packets that have been detected are allowed to pass through, but all subsequent traffic is blocked.