Computer Networking
Error detection at a data link level is achieved by

None of these
Hamming codes
equalization
bit stuffing
cyclic redundancy codes

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Computer Networking
Which of the following is true regarding VLANs?

You must have at least two VLANs defined in every Cisco switched network.
VTP is used to send VLAN information to switches in a configured VTP domain.
All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.
You should not have more than 10 switches in the same VTP domain.

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Computer Networking
Which of the following is true when describing a link-local address?

These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
These are like private addresses in IPv4 in that they are not meant to be routed.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets addressed to a unicast address are delivered to a single interface.

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Computer Networking
HDLC (High-level Data Link Control) is

a method access control technique for multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
network access standard for connecting stations to a circuit-switched network
None of these
a very common bit-oriented data link protocol issued by ISO.

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