An attacker targeting a large company was able to inject malicious A records into internal name resolution servers. Which of the following attack types was MOST likely used?

While setting up a new workstation, a technician discovers that the network connection is only 100 full duplex (FD), although it is connected to a gigabit switch.
While reviewing the interface information in the switch CLI, the technician notes the port is operating at IOOFD but Shows many RX and TX errors. The technician moves the computer to another switchport and experiences the same issues.
Which of the following is MOST likely the cause of the low data rate and port errors?

A user reports being unable to access network resources after making some changes in the office. Which of the following should a network technician do FIRST?

Which of the following BEST describes hosting several businesses on the same physical infrastructure?

Which of the following would be BEST suited for a long cable run with a 40Gbps bandwidth?