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 set of physical layer standards developed by EIA and intended to replace RS-232-
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

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Computer Networking
Which of the following is true regarding access lists applied to an interface?

You can apply only one access list on any interface.
You can place as many access lists as you want on any interface until you run out of memory.
You can apply two access lists to any interface.
One access list may be configured, per direction, for each layer 3 protocol configured on an interface.

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Computer Networking
Which of the following is true when describing an anycast address?

This address identifies multiple interfaces and the anycast packet is only delivered to one address. This address can also be called one-to-one-of-many.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets are delivered to all interfaces identified by the address. This is also called one-to-many addresses.
Packets addressed to a unicast address are delivered to a single interface.

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