A company needs to perform stateful packet filtering on the core network. Which of the following network devices would BEST be suited to match this equipment?
A. Firewall
B. Proxy
C. Router ACLs
D. DHCP server
Answer: A. Firewall
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Which of the following creates a String object with the value "toy"?
Consider the statement below: ``` StringBuilder sb1 = new StringBuilder("a toyota"); ``` a. String res = sb1.subString(2, 5); b. char dest[] = new char[sb1.length()]; sb1.getChars(2, 5, dest, 0); String res = new String(dest); c. char dest[] = new char[sb1.length]; dest = sb1.getChars(2, 5); String res = new String(dest); d. char dest[] = new char[sb1.length()]; dest = sb1.getChars(0, 3); String res = new String(dest);
Answer the following statements true (T) or false (F)
1. There are no computers that can directly execute assembly language instructions. 2. With a compiler, a given source statement may be converted to any number of machine- level instructions. 3. A compiler reads a single source statement, translates it, and immediately executes the resulting machine-level code. 4. An interpreter works with one source statement at a time, reading it, translating it to machine-level, executing the resulting binary instructions, and then moving on to the next source statement. 5. In a compiled application, a programmer error might add a bug to the source code or the compiler might introduce an error by misinterpreting a source statement, but once the code is translated to binary, electronic hardware error never happen.
Write a sequence of statements that displays the contents of t in tabular format. List the column indices as headings across the top, and list the row indices at the left of each row.
What will be an ideal response?
Parallel processing is a method used by a single processor to improve performance
Indicate whether the statement is true or false