Computer Networking
X.21 is

None of these
network access standard for connecting stations to a circuit-switched network
a method of determining which device has access to the transmission medium at any time
a method access control technique for multiple-access transmission media
a very common bit-oriented data link protocol issued by ISO

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

The lowest IP address of any logical interface
The highest IP address of any logical interface
The lowest IP address of any physical interface
The highest IP address of any physical interface

ANSWER DOWNLOAD EXAMIANS APP