Which of the following layers of the OSI model would a NIC operate on?

A switch in IDF 3 has shut down at 3 p.m. everyday this week. Which of the following network tools should be used to troubleshoot this problem?

Which of the following is a purpose of a VLAN?

A client’s computer is unable to access any network resources. Which of the following utilities can a technician use to determine the IP address of the client# s machine?

A network technician notices that a cable is unplugged next to a Layer 2 switch. Before the technician plugged the cable in the switch, the cable was traced back and found it was already plugged into another port in the same switch. Which of the following issues was avoided?

Which of the following can be modified on an 802.11n router that is not available as an option on 802.11g device?

Which of the following could be used to find the approximate location of a break in a long network cable?

Which of the following commands can be used on a server to display IP information for a given interface?

Which of the following commands can be used on a server to display the default router setting?

Which of the following would be used to check whether a DoS attack is taking place from a specific remote subnet?