In the implementation of VLSM techniques on a network using a single Class C IP address, which subnet  mask is the most efficient for point-to-point serial links? （）

Whichroutingprotocolbydefaultusesbandwidthanddelayasmet...

单项选择题Which routing protocol by default uses bandwidth and delay as metrics?（）

AcompanyisinstallingIPphones.Thephonesandofficecomputer...

多项选择题A company is installing IP phones. The phones and office computers connect to the same device. To ensure maximum throughput for the phone data, the company needs to make sure that the phone traffic is on a different network from that of the office computer data traffic. What is the best network device to which to directly connect the phones and computers, and what technology should be implemented on this device? (Choose two.)（）

Anetworkinterfaceporthascollisiondetectionandcarriersen...

单项选择题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?（）