Computer Networking
Which of the following TCP/IP protocol allows an application program on one machine to send a datagram to an application program on another machine?

None of these
X.25
UDP
SMTP
VMTP

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Computer Networking
When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?

Only configured VLAN's are allowed on the link.
By default, all VLANs are allowed on the trunk.
No VLAN's are allowed, you must configure each VLAN by hand.
Only extended VLAN's are allowed by default.

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Computer Networking
A T-switch is used to

rearrange the connections between computing equipment
transmit characters one at a time
echo every character that is received
control how messages are passed between computers
None of these

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