Computer Networking
What is the main reason the OSI model was created?

So Cisco could use the model.
So different networks could communicate.
So application developers can change only one layer's protocols at a time.
To create a layered model larger than the DoD model.

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?

The switch port the host is connected to is not configured to the correct VLAN membership.
The router is not configured for the new host.
The host has an invalid MAC address.
The VTP configuration on the switch is not updated for the new host.

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

None of these
Electronic mail
Electronic newspaper
Global network
Paperless office

ANSWER DOWNLOAD EXAMIANS APP