Baidu 2016 research engineer simulation Pen test

1. What are the output results 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. With C # statement: int a=5,b=4;
The following expression that represents the condition has a value of "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. If you want to list the current directory and all files with the extension ". txt" in the subdirectory, you can
The command to use is

A.find. -name "*.txt"

B.ls *.txt

C.find. ". txt"

D.ls-d.txt

4. Assuming that all variables are correctly defined, the following program segment runs after the value of X 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. Loop wrap Print all records

6. Run the following program segment with the output as ()
<?php
$arr = Array (3,5,7,9,6);
Echo $arr [3];
?>

A.7

B.9

C.3

D.5

7. Assume that the constructor for a class is a (int aa,int bb) {A=AA--;B=A*BB;}, then Execute
A x (4,5); After the statement, the values of X.A and x.b are respectively ()

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 current thread's operation?

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

B. When an exception is thrown

C. When the thread calls the sleep () method

D. When a new thread is created

Second, multi-choice (a total of 3 questions, 5 points per question)

1. The following JSP code defines a variable, how to 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

How is the 3.Redhat 9 supported installation?

A. Network installation via HTTP

B. Network installation via Telnet

C. Network Installation via NFS

D. Installing from a local hard drive

The test paper reprinted from: Baidu 2016 research and development Engineers online simulation test, can be online simulation tests, after the end of the answer can be viewed analysis. But webmaster seems to set up a ban copy, if reproduced please be famous source, thank you!

Baidu 2016 research engineer simulation Pen test