You have been contracted to create a web site for a free dating service. One feature is the ability for oneclient to send a message to another client， which is displayed in the latter client’s private page. Your contract explicitly states that security is a high priority. Therefore， you need to prevent cross-site hacking inwhich one user inserts JavaScript code that is then rendered and invoked when another user views thatcontent. Which two JSTL code snippets will prevent cross site hacking in the scenario above？ （） <c：out>${message}</c：out>。 <c：out value=’${message}’ />。 <c：out value=’${message}’ escapeXml=’true’ />。 <c：out eliminateXml=’true’>${message}</c：out>。 <c：out value=’${message}’ eliminateXml=’true’ />。
烧结普通砖进行冻融试验后，每块砖样不允许出现裂纹、分层、掉皮、缺棱、掉角等冻坏现象，其质量损失不得（） 大于1%。 大于4%。 大于2%。 大于3%。
中国专业技术人群的心理压力从大的方面来说，主要来自（）等因素。 家庭经济环境的影响。 生活环境和社会变迁。 竞争程度和社会对职业的期望。 经济环境和技术革新的要求。
二进制无符号数10000000等价于（）。 十进制数128。 十六进制数88。 十进制数126。 八进制数202。
Examine the following configuration on Router R1. R1's show ip route 172.16.4.1 command list s a route with outgoing interface S0/1/1. Host 172.16.3.3 uses telnet to connect to host 172.16.4.1.What will Router R1 do with the packets generated by host 172.16.3.3 because of the telnet,assuming the packets enter R1's F0/0 interface?（） interface Fastethernet 0/0 ip address 172.16.1.1 255.255.255.0 ip policy route - map Q2 ! route - map Q2 permit match ip address 101 set interface s0/0/1 ! access - list 101 permit tcp host 172.16.3.3 172.16.4.0 0.0.0.255 The packet will be forwarded out S0/0 /1, or not at all.。 The packet will be forwarded out S0/0/1 if it is up.。 The packet will be forwarded out S0/1/1 if it is up.。 The packet will be forwarded out S0/1/1 if it is up, or if it is not up, out s0/0/1.。 The packet will be forwarded o ut S0/0/1 if it is up, or if it is not up, out s0/1/1.。
驾驶舱注意力分散的三种类型是（）
