A technician installs a wireless router on an existing network by connecting it directly to the
firewall. By default, the main network is a Class A network, while the wireless network is a Class C
network. After the wireless router is installed, users connected to the wireless network report they
are unable to connect to the Internet. Which of the following needs to be configured to BEST
resolve this issue?

Which of the following configurations of a wireless network would be considered MOST secure?

Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on
the same subnet?

DHCP uses which of the following ports by default?

Which of the following describes a manually entered route?

Which of the following is the unit used to transfer information at Layer 2 of the OSI model?

A network technician visits a site that needs voice connectivity to the corporate office and installs
four IP phones. The phone exchange resides at the telephone company. Which of the following
technologies is being used?

A client has just leased a new office space in a busy commercial building and would like to install a
wireless network. Several other tenants are on the same floor. Multiple wireless networks are
present in the building. Which of the following can be changed on the client’s wireless network to
help ensure that interference from other wireless networks is at a minimum?

A MAC address is a part of which of the following OSI model layers?

Which of the following is the reason why a company’s network may contain a DHCP server?