Computer Networking
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?

Link
None of these
Interface
Park
Bridge

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The physical layer, in reference to the OSI model, defines

None of these
the interface between the X.25 network and packet mode device
data link procedures that provide for the exchange of data via frames that can be sent and received
the virtual circuit interface to packet-switched service
All of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
You type the following command into the router and receive the following output:Router#show serial 0/0 ^% Invalid input detected at '^' marker.Why was this error message displayed?

You need to be in privileged mode.
Part of the command is missing.
The router does not have a serial0/0 interface.
You cannot have a space between serial and 0/0.

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Why does the data communication industry use the layered OSI reference model?1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.4. It encourages industry standardization by defining what functions occur at each layer of the model.

1 and 4
3 only
1 only
2 and 3

ANSWER DOWNLOAD EXAMIANS APP