單項選擇題Layer 3 (the network layer) provides connectivity and path selection between two host systems that may be located on geographically separated networks. Which two devices operate at the network layer?()

A. application
B. hub
C. switch
D. bridge
E. router


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A. assists in locating appropriate resources
B. provides training on products, tools, and solutions
C. provides a direct support path for any partner issue
D. provides validated commercial solutions
E. provides a step-by-step outline of implementation tasks required

2.多項選擇題The Cisco SA 500 Series Security Appliances are built specifically for businesses with less than 100 employees. What are three important benefits of this device? ()

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3.單項選擇題Which combination of ports is available on the Cisco SPA 8800 voice gateway?()

A. four station ports and four trunk ports (4xFXS and 4xFXO)
B. two station ports (2xFXS)
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4.多項選擇題QoS refers to the ability of a network to provide improved service, over various underlying technologies, to select network traffic. Which two traits are inherent to QoS?()

A. reference to network ability to provide improved service to all network traffic
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5.多項選擇題Cisco Configuration Assistant supports a variety of virtual private networks. Which three types of VPN can be configured by using CCA?()

A. DMVPN
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C. IPv6 VPN
D. Cisco IOS SSL VPN
E. site-to-site VPN
F. Cisco Easy VPN

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