An administrator is redesigning a company's network and wants to reduce the amount of hardware needed Currently, all VLAN routing goes out a single switch interface to a router. Which of the following would reduce the number of devices in this configuration?

A Chief Information Officer (CIO) wants to control the category of sites that employees access when using the Internet web browser. This objective must be achieved to be compliant with corporate policy and avoid some security and legal risks. Which of the following devices would BEST accomplish this task? (Choose two.)

A Network administrator has been given a network of 172.16.85.0/21 and wants to know the usable range of IP addresses on that subnet. Witch of the following indicates the correct IP address range?

Lisa, an administrator, has set up an 802.11n wireless network. Users with 802.11n laptops have reported that speeds are slow. After testing, Lisa determines that users max out at 802.11g speeds.
Which of the following would MOST likely fix this issue?

A network technician downloaded new firmware for the company firewall. Which of the following should the network technician verify to ensure the downloaded file is correct and complete?