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

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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?

Router(config-if)# encapsulation frame-relay ietf
Router(config-if)# encapsulation frame-relay ansi
Router(config-if)# encapsulation frame-relay q933a
Router(config-if)# encapsulation frame-relay cisco

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?

Floods the network with the frame looking for the device
Sends back a message to the originating station asking for a name resolution
Drops the frame
Forwards the switch to the first available link

ANSWER DOWNLOAD EXAMIANS APP