A technician receives a report that Joe. an existing user is unable to access the network. Joe confirms that he had full access the previous clay. The change log is reviewed, and there have been no changes on Joe's computer or any network changes in the last week. The technician moves the connection to an adjacent location on the switch, and Joe Is able to access the network. Which of the following is the MOST likely cause of this issue?

A network engineer wants to change how employees authenticate to the wireless network. Rather than providing a pre-shared key, the engineer wants employees to be able to authenticate with the same unique company user ID and password they use for accessing other services, such as email and document sharing. The engineer also wants to receive daily reports of login attempts on the wireless network. Which of the following should be installed to achieve this goal?

A network administrator has had difficulty keeping track of IP address assignments on networking devices and clients recently. Which of the following is the BEST technology to aid in this scenario?

A company's Chief Information Security Officer (CISO) has decided to increase overall network security by implementing two-factor authentication. All users already have username/password combinations and require an additional factor of authentication. Which of the following would satisfy the requirements?

A hotel offers wireless network access to guests but wants to ensure only certain company-owned laptops can gain access when connected to the wired network. Which of the following types of access control would accomplish this?