网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
Juniper路由器中，当需要匹配一个term同时返回一个到源的ICMP消息，哪个firewall filter可以执行这种包丢弃（）
- A、accept
- B、discard
- C、dismiss
- D、reject
参考答案
更多 “Juniper路由器中，当需要匹配一个term同时返回一个到源的ICMP消息，哪个firewall filter可以执行这种包丢弃（）A、acceptB、discardC、dismissD、reject” 相关考题
考题
下面关于ICMP的说法错误的是( )。A) ping命令的执行过程实际上是运用ICMP工作的过程B) ICMP消息被封装在TCP数据包内C) trace命令也是基于ICMP的D)当遇到IP数据无法访问目标、lP路由器无法按照当前的传输速率转发数据包等情况时，会自动发送ICMP消息
考题
当路由器发送一条ICMP目的地不可到达(Destination Unreachable)消息时,表示()。
A.该路由器无法将数据包发送到它的最终目的地B.该路由器无法将数据包发送到它的下一个路由器C.该路由器无法将数据包进行缓存D.该路由器无法将数据包丢弃
考题
下面关于ICMP重定向功能描述正确的是（）。A.路由器从某一接口接收到数据包之后，又要将该数据包从该接口发送出去，那么该路由器将会发送ICMP重定向消息给源设备。B.路由器从某一接口接收到数据包之后，发现该接口的IP地址和数据包的目的IP地址位于同一网段那么该路由器将会发送ICMP重定向消息给源设备C.路由器从某一接口接收到数据包之后，又要将该数据包从该接口发送过去，那么源设备将会发送ICMP重定向消息给该路由器。D.路由器从某一接口接收到数据包之后，发现该数据包的源IP地址和该路由器继续转发数据包时的下一跳IP地址属于同一网段，那么该路由器将发送ICMP重定向消息至源设备。
考题
SparkStreming中()函数可以对源DStream中的每一个元素应用func方法进行计算,如果func函数返回结果为true,则保留该元素,否则丢弃该元素,返回一个新的Dstream。
A.unionB.mapC.flatMapD.filter
考题
What are three firewall filter terminating actions?()
A. acceptB. logC. rejectD. discardE. drop
考题
A packet is evaluated against three user-defined terms within a firewall filter and no match is found. What correctly describes the action the firewall filter will take for this packet?（）A、The filter will permit the packet and take no additional actionB、The filter will reject the packet and send an ICMP message back to the senderC、The filter will discard the packet and take no additional actionD、The filter will permit the packet and write a log entry to the firewall log
考题
Juniper路由器的哪个部分负责实现firewall filter（）A、PIC I/O Manager ASICB、I/O Manager ASICC、Distributed Buffer Manager ASICD、Internet Processor ASIC
考题
Juniper路由器中，你可以实现一个firewal lfilter去过滤transit流量，但是需要在哪个接口去调用这个filter（）A、lo0.0B、fxp0.0C、fxp1.0D、fe-0/0/0.0
考题
下面关于，Django中QuerySet的get和filter方法描述正确的有：（）A、get 的参数只能是model中定义的那些字段，只支持严格匹配；filter 的参数可以是字段，也可以是扩展的where查询关键字B、get 返回值是一个model对象；filter 返回值是一个QuerySet对象C、get 只有一条记录返回的时候才正常；filter 有没有匹配的记录都可以D、get、filter都不会产生异常
考题
当路由器发送一条ICMP目的地不可到达（Destination Unreachable）消息时，表示（）。A、该路由器无法将数据包发送到它的最终目的地B、该路由器无法将数据包发送到它的下一个路由器C、该路由器无法将数据包进行缓存D、该路由器无法将数据包丢弃
考题
静态路由配置中关键字reject和blackhole的区别在于（）。A、发往reject路由的报文被丢弃，并且不通知源主机B、发往blackhole路由的报文被丢弃，并且不通知源主机C、发往reject路由的报文被丢弃，发往blackhole路由的报文不被丢弃D、发往blackhole路由的报文被丢弃，发往reject路由的报文不被丢弃E、发往reject路由的报文被丢弃，并且通知源主机F、发往blackhole路由的报文被丢弃，并且通知源主机
考题
Which two statements are true about firewall filter configurations?（）A、Multiple action modifiers can be included in the same term.B、Only a single action modifier can be included in the same term.C、The default term within a firewall filter uses the discard action.D、The default term within a firewall filter uses the reject action.
考题
客户的一台MSR路由通过广域网接口S1/0连接Internet，通过局域网接口GE0/0连接办公网络，目前办公网络用户可以正常访问Internet。在路由器上增加如下的ACL配置： firewall enable firewall default deny # acl number 3003 rule 0 deny icmp rule 5 permit tcp destination-port eq 20 # interface GigabitEthernet0/0 firewall packet-filter 3000 inbound firewall packet-filter 3000 outbound 那么（）A、办公网用户发起的到Internet 的ICMP 报文被该路由器禁止通过B、办公网用户发起的到达该路由器的FTP 流量可以正常通过C、办公网用户发起的到达该路由器GE0/0 的Telnet 报文可以正常通过D、办公网用户发起的到Internet 的FTP 流量被允许通过该路由器，其他所有报文都被禁止通过该路由器
考题
A packet is evaluated against three user-defined terms within a firewall filter and no match isfound. What correctly describes the action the firewall filter will take for this packet?（）A、The filter will permit the packet and take no additional action.B、The filter will reject the packet and send an ICMP message back to the sender.C、The filter will discard the packet and take no additional action.D、The filter will permit the packet and write a log entry to the firewall log.
考题
单选题A packet is evaluated against three user-defined terms within a firewall filter and no match is found. What correctly describes the action the firewall filter will take for this packet?（）A
The filter will permit the packet and take no additional actionB
The filter will reject the packet and send an ICMP message back to the senderC
The filter will discard the packet and take no additional actionD
The filter will permit the packet and write a log entry to the firewall log
考题
单选题A packet is evaluated against three user-defined terms within a firewall filter and no match is found. What correctly describes the action the firewall filter will take for this packet?（）A
The filter will permit the packet and take no additional action.B
The filter will reject the packet and send an ICMP message back to the sender.C
The filter will discard the packet and take no additional action.D
The filter will permit the packet and write a log entry to the firewall log.
考题
多选题Which two statements are true about firewall filter configurations?（）AMultiple action modifiers can be included in the same term.BOnly a single action modifier can be included in the same term.CThe default term within a firewall filter uses the discard action.DThe default term within a firewall filter uses the reject action.
热门标签
最新试卷