A company has hundreds of nodes on a single subnet and has decided to implement VLANs. Which of the following BEST describes the benefit of this approach?

A network technician is troubleshooting intermittent issues with VoIP call quality. A throughput tester can help assess the functionality of which of the following?

A company wants to implement a wireless infrastructure on its campus to meet the needs of its BYOD initiative.
The company has users with legacy devices and wants to accommodate them while delivering speed to other users who have modern systems.
Which of the following standards BEST fits these requirements?

Ann, a network technician, has just installed a fiber switch in a datacenter. To run the fiber cabling, Ann plans the cable route over the top of the rack using the cable trays, down to the switch, coiling up any excess cable. As Ann configures the switch, she notices several messages in the logging buffer stating the receive signal of the SFP is too weak. Which of the following is MOST likely the cause of the errors in the logging buffer?

A malicious traffic exiting the network on a specific port. The technician is working with the security team to modify the ACL on the company's firewall. Which of the following should be updated immediately?