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A(n) ____ is a group of four dotted decimal numbers such as 255.255.0.0 that tells TCP/IP if a computer’s IP address is on the same or a different network.
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subnet mask
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When setting up a VoIP system, know that each digital phone or ATA must be programmed with a phone number from the ____.
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VoIP provider
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The command to flush the DNS cache kept on the computer is ____.
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Ipconfig /flushdns
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A ____ IP address is assigned for the current connection only.
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dynamic
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Because electrical interference can be a problem with VoIP phones, each network cable connected to a VoIP phone needs a(n) ____ clamp attached.
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ferrite
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____ is a standard for short-range wireless communication and data synchronization between devices.
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Bluetooth
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____ is essential to keep others from hacking into your wireless data and to prevent unauthorized use of your wireless LAN.
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Encryption
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If you have a problem with connecting to a secured Web site from a corporate network, you might be using the wrong ____ server on the network.
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proxy
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Remote ____ can help you support users and their computers from a distance.
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Assistance
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The solution for securing private data traveling over a public network is a ____.
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virtual private network
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To find out what your DNS server knows about the domain name , use the ____ command.
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nslookup
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Networking happens in ____.
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Layers
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A ____ is the gateway a computer uses to access another network if it does not have a better option.
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Default gateway
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A ____ is a device that manages traffic between two networks.
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Router
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To connect to the Internet, a network first connects to an ____.
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Internet Service Provider
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