题目类型:
单选题
题目内容
Viruses can worm their way into your puter from a variety of sources that contain viruses.Once viruses get into your 21______ business puter, it can wreak havoc 22______ a variety of ways that 23______ from sending spam emails out to your database of customers to pletely 24______ your puter. The best way to 25______ viruses, worms and other problems from 26______ your puter and your online business is to install anti-virus software. Also be sure to keep the antivirus software 27______.
Hackers and other unauthorized individuals accessing information on your customers and personal and business financial information can create a myriad of problems including identity theft. In order to prohibit unauthorized sources 28______ accessing all of this pertinent information, you should install a firewall, which 29______ unauthorized access to your puter. It is just as important to 30______ your firewall by updating it regularly to further protect your puter.
24.
Hackers and other unauthorized individuals accessing information on your customers and personal and business financial information can create a myriad of problems including identity theft. In order to prohibit unauthorized sources 28______ accessing all of this pertinent information, you should install a firewall, which 29______ unauthorized access to your puter. It is just as important to 30______ your firewall by updating it regularly to further protect your puter.
24.
正确答案
D