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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Attenuation
Coder-decoder
Checksum
Codec

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 only
1 and 4
2 and 3
3 only

ANSWER DOWNLOAD EXAMIANS APP