What is a subnet mask, and how is it used?
What will be an ideal response?
ANSWER: It is a 32-bit number that helps one computer find another. The 32 bits are used to indicate what portion of an IP address is the network portion, called the network ID or network address, and what part is the host portion, called the host ID or node ID. Using this information, a computer can determine if another computer with a given IP address is on its own or a different network.
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Havender’s method for denying the “circular-wait” condition has been implemented in many systems. Discuss its pros and cons.
What will be an ideal response?
Experiment with a simple derivation relationship between two classes. Put println statements in constructors of both the parent and child classes. Do not explicitly call the constructor of the parent in the child. What happens? Why? Change the child's constructor to explicitly call the constructor of the parent. Now what happens?
What will be an ideal response?
The File Explorer address bar contains ________ and ________ buttons
A) Maximize, Minimize B) Up, Down C) Left, Right D) Back, Forward
Reports have a grouping feature allowing records to be presented in sets
Indicate whether the statement is true or false