An attacker quickly gains administrative access to a network device. Which of the following MOST likely allowed the attacker to guess the password?

A network technician at a small office upgrades the LAN switch. After the upgrade, a user reports being
unable to access network resources. When the technician checks the switchport, the LED light is not lit.
Which of the following should the technician check FIRST?

A network technician is deploying mobile phones for a company's sales staff. Salespeople frequently travel
nationally and internationally to meet with clients, and often have to roam or switch cellular providers.
Which of the following standards is the BEST option to fit the requirements?

Two building used to be connected by wireless bridge, but they are upgrading to fiber. Which of the following new devices would be required at the demarcation points?

A development team has been testing a web server on a virtual server to create a web application. Once satisfied, the development team clones the entire virtual server into production. The development team needs to use HTTP, HTTPS, and SSH to connect to the new server. Which of the following should the network administrator do to help secure this new production VM? (Choose two.)