Which command will drop a matching packet and send out a notification message?()A. set routing-options static route 10.1.1.1/32 no-retainB. set routing-options static route 10.1.1.1/32 discardC. set routing-options static route 10.1.1.1/32 rejectD. set ro

题目
Which command will drop a matching packet and send out a notification message?()

A. set routing-options static route 10.1.1.1/32 no-retain

B. set routing-options static route 10.1.1.1/32 discard

C. set routing-options static route 10.1.1.1/32 reject

D. set routing-options static route 10.1.1.1/32 no-install

相似考题

1.数据链路层在物理层提供比特流传输服务的基础上，在通信的实体之间建立数据链路连接，传送的数据单元是 ______。A．比特(bit)B．帧(frame)C． 分组(packet)D．报文(message)

2.Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an(71)from a friend who asks you to open it. This is what happens with Melissa and several other similar email(72). Upon running, such worms usually proceed to send themselves out to email addresses from the victim's address book, previous emails, web pages(73)As administrators seek to block dangerous email attachments through the recognition of well-known(74), virus writers use other extensions to circumvent such protection. Executable(.exe)files are renamed to .bat and .cmd plus a whole list of other extensions and will still nm and successfully infect target users.Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the(75)access to your network.A．attachmentB．packetC．datagramD．message

3.（ 21 ）请阅读下面程序import java.io. ＊；public class ExceptionCatch{public static void main （ String args[] ）｛try ｛FileInputStream fis=new FilelnputStream （ "text" ） ;System.out.pfntln （ "content of text is ： ” ）：｝ catch （ FileNotFoundException e ）｛System.out.println （ e ） ;System.out.println （ "message:"+e.getMessageQ ） ;e.printStackTrace （ System.out ） ;}____________;｛System.out.println （ e ） ;｝}}为保证程序正确运行，程序中下划线处的语句应是A ） catch （ Fiie put eam s ）B ） e printStackTrace （）C） catch （ IOException e ）D） System.out.printin （ e ）

4.在直接通信方式中，系统提供的发送原语是A.send（receiver，message）B.send（sender，message）C.send（sender，receiver）D.send（receiver，sender）

参考答案和解析
参考答案：C
更多“Which command will drop a matching packet and send out a notification message?() ”相关问题

  • 第1题：

    Drop () whenever you have time. You are always welcome.

    A、in

    B、down

    C、off

    D、out


    参考答案：A

  • 第2题：

    数据链路层在物理层提供比特流传输服务的基础上在通信的实体之间建立数据链路连接，传送的数据单元是

    A．比特（bit） B．帧（frame） C．分组（packet） D．报文（message）


    正确答案：B
    数据链路层在为物理层提供比特流传输服务的基础上，还在通信的实体之间建立数据链路连接，传送数据的单元是帧。

  • 第3题：

    WhichIOSsecurityfeatureisconfiguredbytheipinspectinspection－name{in|out}command?()

    A.IPsecsite-to-siteVPN

    B.CiscoAutoSecure

    C.CiscoIOSFirewall

    D.IPS


    参考答案：C

  • 第4题：

    Youhavebeencontractedtocreateawebsiteforafreedatingservice.Onefeatureistheabilityforoneclienttosendamessagetoanotherclient，whichisdisplayedinthelatterclient’sprivatepage.Your contractexplicitlystatesthatsecurityisahighpriority.Therefore，youneedtopreventcross-sitehackinginwhichoneuserinsertsJavaScriptcodethatisthenrenderedandinvokedwhenanotheruserviewsthatcontent.WhichtwoJSTLcodesnippetswillpreventcrosssitehackinginthescenarioabove？（）

    A.<c：out>${message}</c：out>

    B.<c：outvalue=’${message}’/>

    C.<c：outvalue=’${message}’escapeXml=’true’/>

    D.<c：outeliminateXml=’true’>${message}</c：out>

    E.<c：outvalue=’${message}’eliminateXml=’true’/>


    参考答案：B, C

  • 第5题：

    Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an(66)from a friend who asks you to open it. This is what happens with Melissa and several other similar email(67).Upon running, such worms usually proceed to send themselves out to email addresses from the victim' s address book ,previous emails, web pages(68).

    As administrators seek to block dangerous email attachments through the recognition of well- known (69), virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to . bat and . cnd plus a whole list of other extensions and will still run and successfully infect target users. Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the(70)access to your network.

    A．attachment

    B．paeket

    C．datagram

    D．message


    正确答案：A
    解析：梅丽莎病毒和爱虫病毒都是利用同事或朋友之间的信任。假设收到一封来自朋友的附件，并让你打开看看，这就是梅丽莎以及其他类似的邮件病毒惯用的方式。不断地前进，这些“蠕虫”会将自己寄给那些从牺牲者的邮件薄里或上一封邮件或网页登陆得来的邮箱地址。当管理员致力于阻止危险邮件通过知名软件的识别时，那些病毒制造者又在利用其他途径来回避这种保护，可执行文件被重新命名为批处理文件或dos文件加上一系列扩展名，将仍旧成功地感染终端使用者，黑客们经常会努力发一些看起来像动画电影的附件来进入网络，这些附件可以一边展现极具吸引力的动画制作技术，一边暗地里执行一些命令来获取你的密码，并安装一个炸弹进入你的网络。

  • 第6题：

    关于Packet-out消息描述不正确的是（）

    A．Packet-out消息可以用于指定某一个数据包的处理方法

    B．控制器可以使用Packet-out消息，告诉交换机网络中如ARP、IGMP等数据包如何处理

    C．Packet-out消息由OpenFlow控制器发出并发送到OpenFlow交换机

    D．当用于链路发现时，控制器向一个交换机发送Packet-out消息，actions为从交换机的所有端口转发


    当用于链路发现时，控制器向一个交换机发送Packet-out消息，actions为从交换机的所有端口转发

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