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Which of the following technologies could be implemented to improve call clarity when using VoIP technology?

A. Static IP addressing

B. Caching engines

C. QoS

D. Port forwarding

Ann, a new employees within a department, cannot print to any of the printers in the department or access any of the resources that other can. However, she can access the internet. The network engineer has confirmed that Ann's has been set up same as the others. There are no access lists restricting Ann's access. Which of the following cloud be the issue for this lack of access?

A. Duplex/speed mismatch

B. VLAN mismatch

C. DNS server issue

D. DHCP server issue

E. Spanning tree blocked ports

Client PCs are unable to receive addressing information from a newly configured interface on a router. Which of the following should be added to allow the clients to connect?

A. DHCP lease me

B. IP helper

C. TTL

D. DNS record type

A network technician is attempting to update firmware on a router but cannot physically locate the router. Which of the following would show where to locate router?

A. Diagram symbols

B. Rack diagram

C. Logical diagram

D. Port locations

A network technician has deployed a new 802.11ac network and discovers some of the legacy POS equipment only supports WPA and 802.11a. Which of the following is the MOST secure method of connecting all devices while avoiding a performance impact to modern wireless devices?

A. Configure the APs to use LEAP authentication to support WPA rather than WPA2 for full compatibility.

B. Configure modern devices under the 5GHz band while dedicating the 2.4GHz band to legacy devices.

C. Connect the legacy devices with a PSK while the modern devices should use the more secure EAP.

D. Create two SSIDs, one to support CCMP-AES encryption and one with TKIP-RC4 encryption.