Address Resolution Protocol (ARP) is a method by which the network layer (Layer 3) of the OSI is linked to the________ layer
a. Data link (Layer 2)
b. Application (Layer 7)
c. Physical (Layer 1)
d. None of the above
Answer: A. In other words, when you use the Internet on your home network, the request is sent with an IP address for your home network. When the web server responds and sends a message back to that IP address, the router needs to route that message to the appropriate device on that network using ARP (that is, routing the message to the appropriate MAC address for the specific device that requested the information).
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a. length, width, and height b. width, height, and depth c. length, height, and depth d. length, width, and depth
Which of the following is used only to encrypt data in transit over a network and cannot be used to encrypt data at rest?
A. TKIP B. AES C. 3DES D. RSA