JN0-101

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

题目
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

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相似问题和答案

第1题：

Which two firewall filter actions will terminate the processing and evaluation of a packet?()

A. permit

B. accept

C. deny

D. discard


参考答案：B, D

第2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

正确答案:C

第3题：

Firewall filter policers can perform which two actions?()

A. Set the next hop.

B. Discard packets.

C. Set loss priority.

D. Sample packet content.


参考答案：B, C

第4题：

What is a vaild action for a firewall filter?（）

  • A、then drop
  • B、then count
  • C、then allow
  • D、then community add

正确答案:B

第5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.

正确答案:A,C

第6题：

What is a vaild action for a firewall filter?()

A.then drop

B.then count

C.then allow

D.then community add


参考答案：B

第7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.

正确答案:C

第8题：

A Telnet session is initiated from host 10.1.1.1. What will happen when it is processed by the firewall filter shown in the exhibit?()

A. The packet will be accepted and logged.

B. The packet will be discarded and logged.

C. The packet will be rejected and a syslog message generated.

D. The packet will be accepted and sampled.


参考答案：A

第9题：

A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. What action will the router take？（）

  • A、forwards the packet
  • B、fragments the packet
  • C、drops the packet silently
  • D、drops the packet and sends an ICMP message

正确答案:D

第10题：

客户路由器的接口GigabitEthernet0/0 下连接了局域网主机HostA，其IP 地址为192.168.0.2/24；接口Serial6/0 接口连接远端，目前运行正常。现增加ACL 配置如下： firewall enable firewall default permit acl number 3003 rule 0 permit tcp rule 5 permit icmp acl number 2003 rule 0 deny source 192.168.0.0 0.0.0.255 interface GigabitEthernet0/0 firewall packet-filter 3003 inbound packet-filter 包过滤 firewall packet-filter 2003 outbound ip address 192.168.0.1 255.255.255.0 interface Serial6/0 link-protocol ppp ip address 6.6.6.2 255.255.255.0 假设其他相关配置都正确，那么（）

  • A、HostA不能ping通该路由器上的两个接口地址
  • B、HostA不能ping通6.6.6.2，但是可以ping通192.168.0.1
  • C、HostA不能ping通192.168.0.1，但是可以ping通6.6.6.2
  • D、HostA可以Telnet到该路由器上

正确答案:C,D

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