7.8 Ruijie online written examination

Software Test Engineer for investment ,45 Multi channel single selection +10 There are many ways to choose , common 80 branch , Time of written examination 100 minute

The written examination mainly includes basic questions 、 Computer network problem 、 Code basis question 、 Logical reasoning questions ... ... It's still very difficult

Single topic selection

1.BGP Route selection rules

2.VXLAN The advantages of Technology

3. Use putchar Function time , The header file must be included before stdio.h

4. Which of the following messages will not appear in DHCP In the process of getting the address

5. The main features of maintainable software include

6.uml It is an important tool in software development , It is mainly used in

Object-based object-oriented approach

7.（） To ensure the quality of each development process , Work to prevent software errors from being transferred to the next process

Quality inspection

8. Maintainable features , Paradoxically

Efficiency and modifiability

9. Judging from the present situation , The main problem of incremental model is

Lack of rich and powerful software development tools and development environment

10. Program output %d,  200+（int*）300

11. Among the following tools , Belonging to the requirements tracking tool is

Tracking and status reporting Document and modification management

12. The graphic tool for the connection between detailed design and outline design is

SC chart

13. Please find all errors in the following code . explain ： The function of the following code is to reverse a string , Such as “abcd” In reverse order, it becomes “dcba”.

1 #include "string.h"
2 int main() 
3 {
4    char *src = "hello,world";
5    char *dest = NULL;
6    int len = strlen(src);
7    dest = (char *)malloc(len);
8    char *d = dest;
9    char *s = src[len];
10   while (len-- != 0)
11      *d++ = *s--;
12   printf("%s", dest);
13   return 0;
14     
15}

•  The first 7 Line to be '\0' Allocate a space 

•  The first 9 Change line to char * s = &src[len-1]

•  The first 12 Add *d = '\0'

•  The first 13 Don't add free(dest), Space will also be released at the end of the program 

ABCD

14. Ask the following code snippet , Identify the line where there are errors

15. Which of the following protocol messages is not multicast MAC

16. Which of the following MAC The address may appear in VRRP Networking environment

17. It belongs to only one VLAN What is the interface of

Access Port of type

18.DSCP The value of is 46 when , The corresponding flow type is

19.VRRP Multicast address used

20.BPDU Multicast address

21.BGP The multicast address of

22.*(*(p+2)+1) Two dimensional array pointer displacement

23. The following about PDL The incorrect statement of language is

24. In the following statement about routing protocol , It's true that

25.BGP 65535

26. Ask the following code snippet , Which version has the least problems

27. Languages that are not suitable for data processing and database applications are

Lisp

28. About route entry filtering , The wrong is

29.244.0.0.0~239.255.255.255 What address type

Multicast address

30. Here's the clip ,64 Bit compiler environment , Assume p1 The application is successful and the address is 0x643010, Printed values

31. Please use gcc-Wall a.c What error warnings will be prompted

32.OSPF Only in ABR perhaps ASBR Route filtering on ？

33.OSPF It can be used to filter routing entries sent by designated neighbors ？

Multiple choice

1. The following addresses are private addresses

2. Software module coupling includes which of the following types

3. The following belongs to software testing Engineering

unit testing 、 Assembly testing 、 Confirmation test 、 The system test

4. The following can be targeted at the message MAC Field to control acl The type is

mac acl

expert access-list

ip extended access-list

ip standard access-list

5. A large network , Select routing protocol , There are

6. The basic principles of demand analysis are

7. Which of the following are static tests

White box method 、...

8. Factors affecting maintenance work include