Baidu 2016 R & D Engineer simulated pen test, 2016 R & D Engineer Test

Baidu 2016 R & D Engineer simulated pen test, 2016 R & D Engineer Test

1. What is the output result of the following program?
# Include <iostream. h>
Void main (){
Int n [] [3] = {10, 20, 30, 40, 50, 60 };
Int (* p) [3];
P = n;
Cout <p [0] [0] <"," <* (p [0] + 1) <"," <(* p) [2] <endl;
}

A.10, 30,60

B .10, 30,50

C.10, 20, 30

D.20, 40, 60

2. Set the C # statement: int a = 5, B = 4;
Which of the following statements indicates that the value of the condition expression is false ()

A. (B> = 0) & (a <= B? A + B: a-B)> 0

B. (a> B) & (B> 0 & a> 0)

C. (a <= 0) | (a % B> 0)

D. a> 0 &&! (B> 0)

3.you can
The command used is

A. find.-name "*. txt"

B. ls *. txt

C. find. ". txt"

D. ls -d.txt

4. Assuming that all variables are correctly defined, the value of x after the following program segment is ()
A = B = c = 0; x = 35;
If (! A) x --;
Else if (B );
If (c) x = 3;
Else x = 4;

A.3

B .4

C.35

D.34

5. The result of the following code execution is ()
<? Php
Mysql_connect ("localhost", "root ","")
$ Result = mysql_query ("select id, namefrom tb1 ");
While ($ row = mysql_fetch_array ($ result, MYSQL_ASSOC ))
{Echo "ID;", $ row [0], "Name;", $ row [];}
?>

A. Print only the first record

B. Error

C. No results

D. Print all records with loop line breaks

6. Run the following program segment and the output result is ()
<? Php
$ Arr = array (3,5, 7,9, 6 );
Echo $ arr [3];
?>

A.7

B .9

C.3

D.5

7. Assume that the constructor of A class is a (int aa, int bb) {a = aa --; B = A * bb;}, then execute
A x (); after the statement, the values of x. a and x. B are ()

A.20 and 5

B .3 and 15

C.5 and 4

D.4 and 20

8. Which of the following conditions can terminate the running of the current thread?

A. When A high-priority thread enters the ready state

B. When an exception is thrown

C. When this thread calls the sleep () method

D. When creating a new thread

2. Multiple answer questions (three questions in total, each question has 5 points)

1. The following JSP code defines a variable. How do I output the value of this variable?
<Bean: define id = "stringBean" value = "helloWorld"/>

A. <bean: write name = "helloWorld"/>

B. <% = stringBean %>

C. <bean: write name = "stringBean"/>

D. <% String myBean = (String) pageContext. getAttribute ("stringBean", PageContext. PAGE_SCOPE); %>
<% = MyBean %>

2. What is the command to unmount the CD/dev/hdc?

A. umount/mnt/cdrom/dev/hdc

B. unmount/dev/hdc

C. umount/dev/hdc

D. unmount/mnt/cdrom/dev/hdc

3. What installation methods does Redhat 9 support?

A. network installation through HTTP

B. network installation through Telnet

C. network installation through NFS

D. Install from a local hard drive

This test is reproduced from: Baidu 2016 R & D engineers can simulate the test online. After answering the questions, you can view the analysis results. However, it seems that the webmaster has set a copy prohibition function. If you reprint the function, make sure the famous source is used. Thank you!