How does a computer know when to send packets to the default gateway?
What will be an ideal response?
The sending computer must first know its network address. It determines this by doing a logical AND operation between its IP address and subnet mask, which results in the network ID of the address.
The next step is to determine whether the destination computer's address is on the same network or a different network. The same AND calculation is done between the destination computer's IP address and the sending computer's subnet mask. The result is the destination computer's network ID. If the network ID of the sending computer is different than the network ID of the destination, the packet is sent to the router or default gateway.
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Suppose a user belongs to a group that has all permissions on a file named jobs_list, but the user, as the owner of the file, has no permissions. Describe which operations, if any, the user/owner can perform on jobs_list. Which command can the user/owner give that will grant the user/owner all permissions on the file?
What will be an ideal response?
Define Blocking behavior.
What will be an ideal response?
A ________ consists of rows and columns of data or numbers
A) chart B) graph C) table D) cell
____ is an abstract class that contains methods for performing output.
A. InputStream B. OutputStream C. println D. FileInputStream