VPNs are implemented to provide?

• A secure connection within a private network

• A secure connection through public networks

• Additional encryption by using IPSec

• Additional security for selected computers

IF a 802.11g Internet connection has connectivity problems, what may be the cause?

• A cordless phone

• A cellular phone

• Incandescent lights

• Electromagnetic interference (EMI)

Which of these factors has the biggest impact on data transmission speed in a wireless network?

• The access method used for the network

• The transmission standard of the equipment used

• The use of strong encryption for transmissions

• The transmission wattage rating used on the NIC

Which of the following uses a tunneling protocol?

• Internet

• VPN

• Extranet

• VLAN

A network that separates an organization's private network from a public network is an?

• Firewall

• Extranet

• Perimeter

• Internet

Which type of network is most vulnerable to intrusion?

• Dial-up

• Wireless

• Broadband

• Leased Line

Attenuation in a wireless network signal is a result of?

• Number of wireless nodes connected

• Distance from the access point

• Interference from cellular phones

• Encryption of the signal

Which type of network covers the broadest area?

• WAN

• CAN

• LAN

• PAN

In local area network (LAN) topologies, the primary media access methods are? (Choose 2)

• Contention

• Negotiation

• Kerberos

• Token Passing

In a physical star topology, the central device is referred to as?

• Bridge

• Server

• segmenter

• Hub