Briefly describe wildcard masks.
What will be an ideal response?
Wildcard masks are one of the most important concepts in IP access lists. Routers use them to determine which bits in an address will be significant. Unlike subnet masks, 0s are placed in bit positions deemed significant, and 1s are placed in positions that are not significant. In other words, where there is a 0 in the mask, the corresponding bit in the incoming packet (either 0 or 1) must match the bit in the IP address in the access list. If there is no match, the packet passes to the next line in the access list.
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Answer the following statements true (T) or false (F)
1. You have to write the data type for each parameter variable in a parameter list. 2. Default arguments must be literals or constants. 3. If you provide a default argument for the first parameter in a list, you do not need to provide default arguments for the remaining parameters. 4.Passing an argument by reference guarantees that the argument will not be changed by the method it is passed into.
Which of the following is used to assign addresses to clients or other machines when fixed IP addresses are not required?
A. dynamic address lease B. manual address lease C. IP gateway D. discovery broadcast
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Indicate whether the statement is true or false
A(n) ________ data type enables you to quickly link to any file on your computer or to any Web page on the Internet
Fill in the blank(s) with correct word