你可能感興趣的試題

A user is attempting to connect to the network remotely using a laptop and dial-up. The user plugsthe cable into the only available laptop connection, but the connector is loose inside the port. TheMOST likely reason the connector is loose is the:（）

A. RJ-11 connector needs to be re-crimped
B. User has plugged into the laptop's NIC port
C. User has plugged the wrong end of the cable into the port
D. RJ-11 connector needs to be replaced with an RJ-45 connector

單項(xiàng)選擇題

Which of the following analyzes the entire subnet to identify all hosts that are active?（）

A. Ping sweep
B. Packet sniffer
C. Traceroute
D. Port scanner