Computer Networking
You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?

DHCP
ARP
SNMP
SMTP

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Computer Networking
RS-449/442-A/423-A is

the ratio of the number of data units in error to the total number of data units
None of these
a check bit appended to an array of binary digits to make the sum of the all the binary digits
a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression the resulting expression will not conform to the rules of construction and
a set of physical layer standards developed by EIA and intended to replace RS-232-

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Computer Networking
You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?

The switch port the host is connected to is not configured to the correct VLAN membership.
The router is not configured for the new host.
The host has an invalid MAC address.
The VTP configuration on the switch is not updated for the new host.

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