Tencent Software Test pen questions

1.a file named test.txt contains four columns (name Class address age). Q: Use the _____ shell command to print the content of the class column.

----- Awk '{print $2}' test.txt

2. Which of the following is the network remote logon mode.

----- Client/Server

3. There are two methods to prevent damage to the system zone: storage protection key and ______.

----- Timed backup

4. What types of IP addresses are used for multicast (d)

A. Class A Address class B. Class B Address class C. Class C address Class D address

5. The optimization strategy of relational algebra is _______.

------ Perform the selection operation as soon as possible

6. In decomposition, the function dependency belongs to the lossless connection _______.

?

7. After the database mode is defined, the data dictionary should include ______.

?

8. The purpose of the relocated memory allocation is _______.

------ Solve fragmentation and compression problems

9. The UNIX directory structure is ______.

?

10. The queue stored in the connection mode may not be remembered when a node is deleted (d) // The option is probably like this
A. Only change the header pointer B. Only change the tail pointer C. change both the header pointer and the tail pointer D. the header pointer and the tail pointer may be changed.
11. What are the differences between the two topics (d) // 10 and 11 When deleting a node in the queue of a single-chain table without leading pointers?
A. Only change the header pointer B. Only change the tail pointer C. change both the header pointer and the tail pointer D. the header pointer and the tail pointer may be changed.

12. integrity constraints include: primary key constraints, foreign key constraints, ________ and global constraints.

----- So it should be: User-defined constraints

13. The physical address of 802.3 is (c) bit.
A.32bit B .64bit C. 48bit d.16bit
14. Which Data Query Needs to be optimized ()
A. Hierarchical database B. Mesh database C. Relational Database D. Non-Relational Database
15. stress testing is not included ()
A. Access volume B. Number of clicks C. Business Processing Time d. Business request Throughput

16. In a layer-5 network model, the transport layer belongs to layer ___ 4.

Http://topic.csdn.net/u/20120407/15/e2f0cbbd-b2c2-4c1f-a960-2f4f29dfd1e2.html? 76728.