Which technology do WLANs use?

The IP address range of 172.16.0.0 – 172.31.255.255 is what address class?

What default factor(s) are used to calculate the OSPF cost?

You are using a network firewall in your enterprise infrastructure. This firewall requires you to define which connections are permitted outbound. Once you do so, the requested data flows are dynamically allowed back into the network while still excluding externally sourced data. What firewall characteristic is this scenario describing?

Which of the following transport layer protocol of the OSI reference model is a connection-oriented protocol that provides reliable transport between two communicating hosts?

When extending the range for a 2.4GHz WLAN, you can use nonoverlapping channels for adjacent coverage cells. However, there should be some overlap in coverage between those cells (using nonoverlapping channels) to prevent a connection from dropping as a user roams from one coverage cell to another. What percentage of coverage overlap should you recommend for these adjacent cells?

What QoS administrative tool can regulate bandwidth utilization by buffering excess packets?

What best describes the role of a hypervisor? (Choose two)

Given the two displays below, what are they?

Which of the following is used by IEEE 802.11n to achieve high throughput using multiple antennas for transmission and reception?