Why does the networking subsystem employ softirqs to process packets?
What will be an ideal response?
The networking subsystem uses softirqs because the network can assign each packet
that the system receives to a processor in the system, allowing multiple packets to be processed
simultaneously. This results in increased performance for high-traffic systems, such as
Web servers.
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Give the output of each of the following commands.
Assume you have made the following assignment: $ person=Zach a. echo $person b. echo '$person' c. echo "$person"
Now suppose further that p1 points to a node of type N in a linked list. Write code that makes p1 point to the next node on the linked list.
Suppose you have the following struct definition and typedef statements in your program: ``` struct N { double d; N *next; }; typedef N* node_ptr; node_ptr p1; ```
A table of figures lists the figure ________ in a document
A) numbers B) captions C) titles D) names
When cell C3 containing the formula =B6*C8 is copied to cell D2, the formula in cell D2 is ________
A) =B6*C8 B) =C5*D8 C) =B6*B7 D) =C5*D7