Ann, a customer, recently upgraded her SOHO Internet to gigabit fiber from cable. She was previously getting speeds around 75Mbps down and 25Mbps up. After the upgrade, Ann runs a speed test on her desktop and gets results of 1000Mbps down and 100Mbps up. A technician connects directly to the router and sees the correct
1000Mbps speeds. Which of the following is MOST likely the cause? (Select two).

A network technician is troubleshooting a DOCSIS network. Which of the following devices marks the termination of the ISP's network and the start of the customer's network?

Which of the following protocols is used to transport outgoing mail across networks?

A network technician is assisting a user cannot connect to a wireless connection. The user is connecting to the correct SSID and has the correct pre-shared key. The technician verifies the WAP is working, and other clients are connected to it from same location. Which of the following should the technician investigate?

A network administrator wants to employ a username and password authentication system for guest WiFi.
Which of the following is the BEST option to provide this type of authentication?