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.

相似考题

1.Firewall filter policers can perform which two actions?()A. Set the next hop.B. Discard packets.C. Set loss priority.D. Sample packet content.

2.Which two firewall filter actions will terminate the processing and evaluation of a packet?()A. permitB. acceptC. denyD. discard

3.What is a vaild action for a firewall filter?()A.then dropB.then countC.then allowD.then community add

4.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.

更多“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”相关问题

  • 第1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2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3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4题：

    某网络连接形如：HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB 两台MSR 路由器MSR1、MSR2 通过各自的S1/0 接口背靠背互连，各自的GigabitEthernet0/0 接口分别 连接客户端主机HostA 和HostB。通过配置IP 地址和路由目前网络中HostA 可以和HostB 实现互通。 如今在MSR-2 上增加了如下配置： firewall enable acl number 3000 rule 0 deny tcp destination-port eq telnet interface Serial1/0 link-protocol ppp ip address 1.1.1.2 255.255.255.252 firewall packet-filter 3000 inbound firewall packet-filter 3000 outbound interface GigabitEthernet0/0 ip address 10.1.1.1 255.255.255.0 那么如下哪些说法是正确的？（）

    • A、后配置的firewall packet-filter 3000 outbound会取代firewall packet-filter 3000 inbound命令
    • B、在HostB上无法成功Telnet到MSR-1上
    • C、在HostB上可以成功Telnet到MSR-1上
    • D、最后配置的firewall packet-filter 3000 outbound不会取代firewall packet-filter 3000 inbound命令

    正确答案:B,D

  • 第5题：

    What are BCP 38 （Best Common Practices 38）/RFC 2827 Ingress Packet Filtering Principles？（）

    • A、Filter Smurf ICMP packets.
    • B、Filter as close to the core as possible
    • C、Filter as close to the edge as possible
    • D、Filter as precisely as possible
    • E、Filter both source and destination where possible

    正确答案:C,D,E

  • 第6题：

    You have configured a firewall filter with a single term matching on packets with a source address in the 10.0.0.0/24 subnet. This term only includes the count action.Which two statements are true about traffic evaluated by this firewall filter?（）

    • A、Packets within the 10.0.0.0/24 subnet will be accepted.
    • B、Packets within the 10.0.0.0/24 subnet will be rejected.
    • C、Packets within the 10.0.0.0/24 subnet will be counted.
    • D、Packets within the 10.0.0.0/24 subnet will not be counted.

    正确答案:A,C

  • 第7题：

    What are three valid match criteria in a firewall filter applied to a Layer 3 interface?（）

    • A、IP address
    • B、MAC address
    • C、protocol
    • D、port
    • E、session ID

    正确答案:A,C,D

  • 第8题：

    多选题
    What are three firewall filter terminating actions?（）
    A

    accept

    B

    log

    C

    reject

    D

    discard

    E

    drop


    正确答案： D,B
    解析： 暂无解析

  • 第9题：

    单选题
    What is a vaild match criteria for a firewall filter?（）
    A

    from protocol tcp

    B

    from url

    C

    from community

    D

    from acl


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    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： A
    解析： 暂无解析

  • 第11题：

    单选题
    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.


    正确答案： D
    解析： 暂无解析

  • 第12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.


    正确答案： C
    解析： 暂无解析

  • 第13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14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15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

  • 第16题：

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

    • A、permit
    • B、accept
    • C、deny
    • D、discard

    正确答案:B,D

  • 第17题：

    使配置的访问列表应用到接口上的命令是什么？（）

    • A、access-group
    • B、access-list
    • C、acl
    • D、firewall packet-filter xxxx inbound/outbound

    正确答案:D

  • 第18题：

    Firewall filter policers can perform which two actions？（）

    • A、Set the next hop.
    • B、Discard packets.
    • C、Set the loss priority.
    • D、Sample the packet content.

    正确答案:B,D

  • 第19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.

    正确答案:C

  • 第20题：

    单选题
    You have a firewall filter containing two terms applied in an inbound direction on a customer interface. You would like this filter to protect your network from a spoofed denial of service attack. What match criterion should be used in the first term of the filter？（）
    A

    Source TCP port

    B

    Source IP address

    C

    Destination TCP port

    D

    Destination IP address


    正确答案： C
    解析： 暂无解析

  • 第21题：

    多选题
    What are three valid match criteria in a firewall filter applied to a Layer 3 interface?（）
    A

    IP address

    B

    MAC address

    C

    protocol

    D

    port

    E

    session ID


    正确答案： E,A
    解析： 暂无解析

  • 第22题：

    单选题
    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： C
    解析： 暂无解析

  • 第23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


    正确答案： B
    解析： 暂无解析

  • 第24题：

    多选题
    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： C,D
    解析： 暂无解析

相关内容