What is the purpose of configuring router R1 with the "IP Helper address" command？（）A、IP Helper is used to direct BOOTP clients to a BOOTP serverB、IP Helper is used to prevent the router form forwarding IP broadcastsC、IP Helper is used to allow IPX client

题目

What is the purpose of configuring router R1 with the "IP Helper address" command？（）

  • A、IP Helper is used to direct BOOTP clients to a BOOTP server
  • B、IP Helper is used to prevent the router form forwarding IP broadcasts
  • C、IP Helper is used to allow IPX clients to communicate with IP-based servers
  • D、IP Helper is used to accommodate compatibility routers using different IP routing protocols
  • E、None of the other alternatives apply
相似考题

1.An authentication request for a PPP over ATM client has been returned to the router with an address of 255.255.255.254.What does this indicate to the router?()A. A static IP address is used.B. An unnumbered address is used.C. The returned RADIUS address is used.D. The IP address-pool configuration is used.

2.Refer to the exhibit. Which statement is co rrect regarding the router configuration shown? ()A. The router will rebroadcast any DHCP requests received by this interface out to all interfaces included in the ip helper - address commands.B. The router will rebroadcast any UDP broadcasts received by this interface out to all interfaces included in the ip helper - address commands.C. The router will unicast any DHCP requests received by this interface out to all addresses included in the ip helper - address commands.D. This configuration will not do anything because the ip helper - address command needs to also be applied to the 192.168.23.1 IP address.

3.Refer to the exhibit. A network administrator has configured DHCP services on the router asshown. DHCP clients connected to the FastEthernet0/0 interface are working properly. DHCP clients connected to the FastEthernet0/1 interface are not receiving addresses.Which two statements contain recommendations that will solve the problem?（）A.The network shown in the output under the ip dhcp pool Central command should be changed to network 10.10.0.0 with a mask of 255.255.255.0B.A second DHCP pool for network 10 .10.0.0/24 should be configuredC.An ip dhcp excluded - address global configuration command for network 10.10.0.0/24 should be issuedD.The ip helper -address 10.0.0.1 command should be issued so that the address can be added to the Fast Ethernet0/0 c onfigurationE.The ip helper -address 10.0.0.1 command should be issued so that the address can be added to the Fast Ethernet0/1 configuration

4.Which three of the following protocols will be forwarded to a host specified by the ip helper - address interface configuration command if the configuration has not been modified by the ip forward - protocol udp global con figuration command?（）A. BOOTPB. TFTPC. ARPD. DNSE. proxy - ARPF. FTP

更多“What is the purpose of configuring router R1 with the "IP Helper address" command？（）A、IP Helper is used to direct BOOTP clients to a BOOTP serverB、IP Helper is used to prevent the router form forwarding IP broadcastsC、IP Helper is used to allow IPX client”相关问题

  • 第1题：

    Refer to the exhibit. Which configuration would correctly enable Host A to acquire an IP address from the DHCP server that is located at 10.1.2.10／24? ()

    A.ASw1(config)# interface range FastEthernet 0/1 - 24 ASw1(config - if - range)# ip forward - protocol udp 67 ASw1(config - if - range)# ip forward - protocol udp 68

    B.ASw1(config)# interface range FastEthernet 0/1 - 24 ASw1(config - if - range)# ip helper - address 10.1.2.10

    C.RTA(config)# interface fastethernet0/0 RTA(config -if)# ip forward- protocol udp 67 RTA(config - if)# ip forwar d- protocol udp 68

    D.RTA(config)# interface fastethernet0/1 RTA(config -if)# ip forward- protocol udp 67 RTA(config -if)# ip forward- protocol udp 68

    E.RTA(config)# interface fastethernet0/0 RTA(config - if)# ip helper - address 10.1.2.10

    F.RTA(config)# in terface fastethernet0/1 RTA(config - if)# ip helper - address 10.1.2.10


    参考答案：E

  • 第2题：

    In what situation would the command ip helper-address be required？（Choose the best answer.）（）

    • A、Only when there is a duplicate IP address caused by a combination of static and dynamic IPaddress allocations
    • B、On each router that exists between the client and the server
    • C、Only when a router separates the client from the server
    • D、Only if the DHCP sever issues a DHCPNAK to the initial request
    • E、Only when the client is on the same subnet as the server
    • F、Only when the DHCP pool is out of IP addresses

    正确答案:C

  • 第3题：

    Which three of the following protocols will be forwarded to a host specified by the ip helper - address interface configuration command if the configuration has not been modified by the ip forward - protocol udp global con figuration command?（）

    • A、BOOTP
    • B、TFTP
    • C、ARP
    • D、DNS
    • E、proxy - ARP
    • F、FTP

    正确答案:A,B,D

  • 第4题：

    What is the purpose of a network mask?（）

    • A、It is used to identify the maximum hop count of a subnetwork
    • B、It is used to identify an IP address as either private or public
    • C、It is used to identify the network to which an IP address belongs
    • D、It is used to identify the total number of bits present in an IP address

    正确答案:C

  • 第5题：

    What TCP/IP stack configuration features can DHCP provide, in addition to assigning an IP address? (Choose three.)（）

    • A、default gateway
    • B、DNS servers
    • C、FTP server
    • D、helper address
    • E、subnet mask
    • F、TFTP server

    正确答案:A,B,E

  • 第6题：

    What is the purpose of a network mask?（）

    • A、It is used to identify the maximum hop count of a subnetwork.
    • B、It is used to identify an IP address as either private or public.
    • C、It is used to identify the network to which an IP address belongs.
    • D、It is used to identify the total number of bits present in an IP address.

    正确答案:C

  • 第7题：

    Cisco路由应禁止BOOTP服务，命令行是（）。

    • A、ip bootp server
    • B、no ip bootp
    • C、no ip bootp server
    • D、ip bootp

    正确答案:C

  • 第8题：

    问答题
    what is “ip helper-address”？

    正确答案： The "ip helper-address" command enables the router to forward specific broadcast packets to a specific host。
    解析： 暂无解析

  • 第9题：

    单选题
    What is the purpose of a network mask?（）
    A

    It is used to identify the maximum hop count of a subnetwork.

    B

    It is used to identify an IP address as either private or public.

    C

    It is used to identify the network to which an IP address belongs.

    D

    It is used to identify the total number of bits present in an IP address.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）
    A

    Issue the show ip route command on Router A

    B

    Issue the show ip route command on Router B

    C

    Issue the show cdp neighbors command on Router B

    D

    Issue the show cdp neighbors detail command on Router C

    E

    Issue the show arp command on Router A

    F

    Issue the show arp command on Router B


    正确答案： A
    解析： 暂无解析

  • 第11题：

    多选题
    Which three of the following protocols will be forwarded to a host specified by the ip helper - address interface configuration command if the configuration has not been modified by the ip forward - protocol udp global con figuration command?（）
    A

    BOOTP

    B

    TFTP

    C

    ARP

    D

    DNS

    E

    proxy - ARP

    F

    FTP


    正确答案： B,C
    解析： 暂无解析

  • 第12题：

    多选题
    When you execute the "ip helper-address" command on a router， which three UDP ports getenabled automatically by default？（）
    A

    53（DNS）

    B

    69（TFTP）

    C

    515（LPR）

    D

    161（SNMP）

    E

    49（TACACS）


    正确答案： E,A
    解析： 暂无解析

  • 第13题：

    Refer to the exhibit. Router R1 is being used as a relay device for autoconfiguration of switch S1.Which configuration will acc omplish this? ()

    A.S1(config)# interface fastethernet 0/1S1(config - if)# ip helper - address 10.0.0.2

    B.S1(config)# interface fastethernet 0/1 S1(config - if)# ip helper - address 20.0.0.1

    C.R1(config)# interface fastethernet 0/0 R1(config - if)# ip help er - address 20.0.0.2R 1(config - if)# ip helper - address 20.0.0.3 R1(config - if)# ip helper - address 20.0.0.4 R1(config - if)# exit R1(config)# interface fastethernet 0/1 R1(config - if)# ip helper - address 10.0.0.1

    D.R1(config)# interface fastethernet 0/0 R1 (config - if)# ip helper - address 20.0.0.1 R2(config)# interface fastethernet 0/0 R2(config - if)# ip helper - address 20.0.0.1 R3(config)# interface fastethernet 0/0 R3(config - if)# ip helper - address 20.0.0.1 R4(config)# interface fastethernet 0/0 R4(config - if)# ip helper - address 20.0.0.1

    E.S1(config)# interface fastethernet 0/1 S1(config - if)# ip helper - address 10.0.0.2 R2(config)# interface fastethernet 0/0 R2(config - if)# ip helper - address 20.0.0.1 R3(config)# interface fastethernet 0/0 R3(config - if) # ip helper - address 20.0.0.1 R4(config)# interface fastethernet 0/0 R4(config - if)# ip helper - address 20.0.0.1


    参考答案：C

  • 第14题：

    What are the "bound IP addresses" used for in LDP？（）

    • A、For each such address and mask /32, one label binding is created.
    • B、As the TCP endpoint, IP addresses are used by the LDP session.
    • C、These addresses are used to find the label binding to put in the LFIB, by looking up these IP addresses in the routing table.
    • D、These addresses are used for penultimate hop popping (PHP) when forwarding packets to the next router directly. 

    正确答案:C

  • 第15题：

    Which of the following statements are true concerning the command ip sla monitor responder typetcpconnect ipaddress 10.1.1.1 port 23？（Choose all that apply.）（）

    • A、The command will initiate a probe with a destination IP address of 10.1.1.1
    • B、The command is used on the IP SLA responder and the IP SLA source
    • C、The command will allow only source address 10.1.1.1 to source probes
    • D、The command will initiate a probe with a destination Telnet port
    • E、The command is used to make the router a responder
    • F、The command will initiate a probe with a source port of 23

    正确答案:A,D

  • 第16题：

    When you execute the "ip helper-address" command on a router， which three UDP ports getenabled automatically by default？（）

    • A、53（DNS）
    • B、69（TFTP）
    • C、515（LPR）
    • D、161（SNMP）
    • E、49（TACACS）

    正确答案:A,B,E

  • 第17题：

    what is “ip helper-address”？


    正确答案:The "ip helper-address" command enables the router to forward specific broadcast packets to a specific host。

  • 第18题：

    An authentication request for a PPP over ATM client has been returned to the router with an address of 255.255.255.254. What does this indicate to the router?（）

    • A、A static IP address is used.
    • B、An unnumbered address is used.
    • C、The returned RADIUS address is used.
    • D、The IP address-pool configuration is used.

    正确答案:D

  • 第19题：

    单选题
    An authentication request for a PPP over ATM client has been returned to the router with an address of 255.255.255.254. What does this indicate to the router?（）
    A

    A static IP address is used.

    B

    An unnumbered address is used.

    C

    The returned RADIUS address is used.

    D

    The IP address-pool configuration is used.


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    What is the purpose of configuring router R1 with the "IP Helper address" command？（）
    A

    IP Helper is used to direct BOOTP clients to a BOOTP server

    B

    IP Helper is used to prevent the router form forwarding IP broadcasts

    C

    IP Helper is used to allow IPX clients to communicate with IP-based servers

    D

    IP Helper is used to accommodate compatibility routers using different IP routing protocols

    E

    None of the other alternatives apply


    正确答案： E
    解析： 暂无解析

  • 第21题：

    单选题
    What is the purpose of a network mask?（）
    A

    It is used to identify the maximum hop count of a subnetwork

    B

    It is used to identify an IP address as either private or public

    C

    It is used to identify the network to which an IP address belongs

    D

    It is used to identify the total number of bits present in an IP address


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    What are the "bound IP addresses" used for in LDP？（）
    A

    For each such address and mask /32, one label binding is created.

    B

    As the TCP endpoint, IP addresses are used by the LDP session.

    C

    These addresses are used to find the label binding to put in the LFIB, by looking up these IP addresses in the routing table.

    D

    These addresses are used for penultimate hop popping (PHP) when forwarding packets to the next router directly. 


    正确答案： B
    解析： 暂无解析

  • 第23题：

    多选题
    Which of the following statements are true concerning the command ip sla monitor responder typetcpconnect ipaddress 10.1.1.1 port 23？（Choose all that apply.）（）
    A

    The command will initiate a probe with a destination IP address of 10.1.1.1

    B

    The command is used on the IP SLA responder and the IP SLA source

    C

    The command will allow only source address 10.1.1.1 to source probes

    D

    The command will initiate a probe with a destination Telnet port

    E

    The command is used to make the router a responder

    F

    The command will initiate a probe with a source port of 23


    正确答案： C,A
    解析： 暂无解析

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