Computer Networking
A switch has been configured for three different VLANs: VLAN2, VLAN3, and VLAN4. A router has been added to provide communication between the VLANs. What type of interface is necessary on the router if only one connection is to be made between the router and the switch?

1Gbps Ethernet
100Mbps Ethernet
10Mbps Ethernet
56Kbps Serial

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Computer Networking
You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use?

255.248.0.0
255.224.0.0
255.240.0.0
255.254.0.0
255.252.0.0

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Computer Networking
TCP is:

None of these
Connection orientated and unreliable
Operates at the Data Link layer
Connection orientated and reliable
Connectionless and unreliable

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