网络管理员定义“no ip directed broadcast”以减轻下面哪种攻击？（）A、DIECASTB、SMURFC、BATCASTD、COKE

题目

网络管理员定义“no ip directed broadcast”以减轻下面哪种攻击？（）

  • A、DIECAST
  • B、SMURF
  • C、BATCAST
  • D、COKE
相似考题

1.在TCP/IP协议配置时，可以通过网络管理员获取或者通过【 】获得计算机的IP地址。

2.在图8-7所示的网络拓扑结构的分支机构路由器上，正确的拨号映射配置语句是(53)。A．dialer map ip 192.168.0.2 name branch MODEM-script. dialout broadcast 2083150B．dialer map ip 192.168.0.2 name center MODEM-script. dialout broadcast 2083703C．dialer map ip 192.168.0.1 name branch MODEM-script. dialout broadcast 2083150D．dialer map ip 192.168.0.1 name center MODEM-script. dialout broadcast 2083703

3.If all OSPF routers on a broadcast network have the same OSPF priority, what parameter is used to determine the new BDR at the time of a DR failure?()A. area IDB. router IDC. loopback addressD. IP address of interface on broadcast network

4.阅读以下说明，回答问题1～3，将答案填入对应的解答栏内。某公司由总部和分支机构构成，通过IPSec实现网络安全，网络拓扑结构如图4-1所示。路由器之间的地址分配如表4-1所示。总部端路由器的部分配置如下，解释配置中语句部分含义。crypto isakmp policy 1 (1)authentication pre-share (2)group 2crypto isakmp key test123 address 202.96.1.2 (3)crypto ipsec transform-set VPNtag ah-md5-hmac esp-des (4)crypto map VPNdemp 10 ipsec-isakmpset peer 202.96.1.2 (5)set transform-set VPNtagmatch address 101!interface Tunnel0ip address 192.168.1.1 255.255.255.0 (6)no ip directed-broadcasttunnel source 202.96.1.1tunnel destination 202.96.1.2 (7)crypto map VPNdemointerface serial0/0ip address 202.96.1.1 255.255.255.252no ip directed-broadcastcrypto map VPNdemo (8)!interface Ethernet0/1ip address 168.1.1.1 255.255.255.0no ip directed-broadcastinterface Ethernet0/0ip address 172.22.1.100 255.255.255.0no ip directed-broadcast!ip classlessip route 0.0.0.0 0.0.0.0 202.96.1.2 (9)ip route 172.22.2.0 255.255.0.0 192.168.1.2 (10)access-lost 101 permit gre host 202.96.1.1 host 202.96.1.2

参考答案和解析
正确答案:B
更多“网络管理员定义“no ip directed broadcast”相关问题

  • 第1题：

    When a DHCP server is configured, which two IP addresses should never be assignable to hosts?()

    A. network or subnetwork IP address

    B. broadcast address on the network

    C. IP address leased to the LAN

    D. IP address used by the interfaces

    E. manually assigned address to the clients

    F. designated IP address to the DHCP server


    参考答案：A, B

  • 第2题：

    When a DHCP server is configured, which two IP addresses should never be assignable to hosts? （）

    • A、network or subnetwork IP address
    • B、broadcast address on the network
    • C、IP address leased to the LAN
    • D、IP address used by the interfaces
    • E、manually assigned address to the clients
    • F、designated IP address to the DHCP server

    正确答案:A,B

  • 第3题：

    A server has been assigned the 192.168.100.127/25 IP address. The server is experiencing strange network connectivity related problems. Which of the following would BEST describe the problem?（）

    • A、IP address is classful.
    • B、IP address is a subnet broadcast address.
    • C、IP address is a subnet network address.
    • D、IP address is classless

    正确答案:D

  • 第4题：

    Which content networking device allows bandwidth configuration settings so that streaming content will not interfere with other network traffic？（）

    • A、 IP/TV Control Server
    • B、 Content Distribution Manager
    • C、 Content Engine
    • D、 IP/TV Broadcast Server

    正确答案:A

  • 第5题：

    The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command（）。

    • A、This command should be executed from the global configuration mode
    • B、The IP address 10.121.16.8 is the local router port used to forward data
    • C、102 is the remote DLCI that will receive the information
    • D、This command is required for all Frame Relay configurations
    • E、The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC

    正确答案:E

  • 第6题：

    A server has been assigned the 192.168.100.127/25 IP address. The server is experiencing strange network connectivity related problems.  Which of the following would BEST describe the problem？（）

    • A、 IP address is classful.
    • B、 IP address is a subnet broadcast address.
    • C、 IP address is a subnet network address.
    • D、 IP address is classless.

    正确答案:B

  • 第7题：

    A machine has just been installed with AIX, and no system parameters have been changed. In order to enable routing function, which of the following "no" options should be changed?（）

    • A、 set bcastping to 1 
    • B、 set ipforwarding to 1 
    • C、 set rfc1323 to 1 
    • D、 set directed_broadcast to 1

    正确答案:B

  • 第8题：

    名词解释题
    directed broadcast引导广播

    正确答案： 在远程网上对所有计算机广播采用发送一个包的单一备份到远程网，并当它到达时广播该包的方法。TCP/IP支持引导广播。
    解析： 暂无解析

  • 第9题：

    单选题
    Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）
    A

    the router with the lowest priority

    B

    the router with the highest priority

    C

    the router with the highest System ID

    D

    the router with the highest IP address


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    On a newly installed AIX V4 machine, which of the following default values applies to the ipforwarding network option?（）
    A

     The ipforwarding is off by default. 

    B

     The ipforwarding is set on by default. 

    C

     The value is dynamically determined at boot time by DHCP. 

    D

     The value is equal to the setting of the directed_broadcast runtime attribute.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Which content networking device allows bandwidth configuration settings so that streaming content will not interfere with other network traffic？（）
    A

     IP/TV Control Server

    B

     Content Distribution Manager

    C

     Content Engine

    D

     IP/TV Broadcast Server


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following features would hide internal IP addresses from the Internet?（）
    A

    Network Address Translation

    B

    Port forwarding

    C

    Quality of Service

    D

    SSID broadcast


    正确答案： B
    解析： 暂无解析

  • 第13题：

    directed broadcast引导广播


    正确答案: 在远程网上对所有计算机广播采用发送一个包的单一备份到远程网，并当它到达时广播该包的方法。TCP/IP支持引导广播。

  • 第14题：

    If all OSPF routers on a broadcast network have the same OSPF priority, what parameter is used to determine the new BDR at the time of a DR failure?（）

    • A、area ID
    • B、router ID
    • C、loopback address
    • D、IP address of interface on broadcast network

    正确答案:B

  • 第15题：

    What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）

    • A、defines the source IP address that is used in all broadcast packets on DLCI 202
    • B、defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address
    • C、defines the destination IP address that is used in all broadcast packets on DLCI 202
    • D、defines the DLCI on which packets from the 192.168.1.2 IP address are received

    正确答案:B

  • 第16题：

    What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）

    • A、defines the source IP address that i s used in all broadcast packets on DLCI 202
    • B、defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address
    • C、defines the destination IP address that is used in all broadcast packets on DLCI 202
    • D、defines the DLCI on which packets from the 192.168.1.2 IP address are received

    正确答案:B

  • 第17题：

    网络管理员定义“no ip directed broadcast”以减轻下面哪种攻击？（）

    • A、Diecast
    • B、Smurf
    • C、Batcast
    • D、Coke

    正确答案:B

  • 第18题：

    On a newly installed AIX V4 machine, which of the following default values applies to the ipforwarding network option?（）

    • A、 The ipforwarding is off by default. 
    • B、 The ipforwarding is set on by default. 
    • C、 The value is dynamically determined at boot time by DHCP. 
    • D、 The value is equal to the setting of the directed_broadcast runtime attribute.

    正确答案:A

  • 第19题：

    Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）

    • A、the router with the lowest priority
    • B、the router with the highest priority
    • C、the router with the highest System ID
    • D、the router with the highest IP address

    正确答案:B

  • 第20题：

    单选题
    下列操作中可以禁用Cisco设备的路由重定向功能的操作是？（）
    A

    Router（config-iF.#no ip redirects

    B

    Router（config-iF.#no ip mask-reply

    C

    Router（config-iF.#no ip directed-broadcast

    D

    Router（config-iF.#no ip proxy-arp


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command（）。
    A

    This command should be executed from the global configuration mode

    B

    The IP address 10.121.16.8 is the local router port used to forward data

    C

    102 is the remote DLCI that will receive the information

    D

    This command is required for all Frame Relay configurations

    E

    The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    在CISCO设备的接口上防止SMURF攻击的命令（）
    A

    Router（Config-iF.#no ip directed-broadcast

    B

    Router（Config-iF.#no ip proxy-arp

    C

    Router（Config-iF.#no ip redirects

    D

    Router（Config-iF.#no ip mask-reply


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    If all OSPF routers on a broadcast network have the same OSPF priority， what parameter is used to determine the new BDR at the time of a DR failure？（）
    A

     area ID

    B

     router ID

    C

     loopback address

    D

     IP address of interface on broadcast network


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    A server has been assigned the 192.168.100.127/25 IP address. The server is experiencing strange network connectivity related problems.  Which of the following would BEST describe the problem？（）
    A

     IP address is classful.

    B

     IP address is a subnet broadcast address.

    C

     IP address is a subnet network address.

    D

     IP address is classless.


    正确答案： C
    解析： 暂无解析

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