Describe an overlay tunnel.
What will be an ideal response?
An overlay tunnel enables two IPv6 networks to connect over an existing IPv4 infrastructure, such as the Internet. In more precise terms, the routers that connect the IPv6 networks to the IPv4 infrastructure run dual stack-both IPv4 and IPv6-and can encapsulate the traffic from the local network into IPv4 packets. Those IPv4 packets travel over the IPv4 infrastructure and the router at the other end of the tunnel strips the IPv4 stuff off the packet and sends the remaining IPv6 packet on its merry way.
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Consider the version of the FireAlarm program written in JMS. How would you extend the consumer to receive alarms only from a given location?
What will be an ideal response?
In a secluded engineering attack, an intruder uses social interaction to gain access to a computer system.
Answer the following statement true (T) or false (F)
Today, the backbone of the Internet is composed of numerous Internet ________ Points around the world
Which of the following cable types is required to be fire-resistant and does not emit toxic fumes when exposed to high temperatures?
A. STP B. Coaxial C. UTP D. Plenum