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?

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

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Computer Networking
Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?

two bits or any even number of bits inverted in a byte during transmission
one bit or any odd number of bits inverted in a block of data during transmission
one bit or any odd number of bits inverted in a byte during transmission
two bits or any even number of bits inverted in a block during transmission
None of these

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