A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）A、The host needs to

题目

A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）

  • A、The host needs to open the telnet port.
  • B、The host needs a route for the translated address.
  • C、The administrator must use a proxy-arp policy for the translated address.
  • D、The administrator must use a security policy, which will allow communication between the zones.
相似考题

1.An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）A. Router routes traffic between different networks and a switch does notB. The new switch is faulty and needs to be replaced and configured correctlyC. The firewall needs to be setup to allow traffic to reach the InternetD. The switch needs to be setup to forward data traffic to the Internet

2.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

3.Refer to the exhibit. IP multicast for group address 224.1.1.1 has been enabled on all router s in the network. Hosts on Network A receive the multicast traffic. However, hosts on Network B do not. On the basis of outputs provided, what could be the cause of the problem? （）A. The route to 224.69.15.0/24 will be out Ethernet 0B. The reverse path forwarding (RPF) for the route 224.2.0.1 failed to find the interface on which the multicast packet was rece ivedC. Multicast route to 224.69.15.0/24 was added to the mroute table and created by a source directly connected to the routerD. Multicast route to 10.16.0.0/16 was added to the mroute table and created by a source directly connected to the routerE. This router received an IGMP host report from a group member or a PIM join message

4.After connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be having any issues. What is the most likely cause for this problem?A．The router lacks a routing table entry for the new hostB．The host switch port is assigned to the incorrect VLANC．The host MAC address is incorrectly configuredD．A STP instance for the new host has not been initializedE．The switch does not have the MAC address hard coded in the CAM table.

更多“A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）A、The host needs to ”相关问题

  • 第1题：

    A network administrator has configured access list 172 to prevent Telnet and ICMP traffic from reaching a server with the address if 192.168.13.26. Which command can the administrator issue to verify that the access list is working properly?（）

    A. Router# ping 192.168.13.26

    B. Router# debug access-list 172

    C. Router# show open ports 192.168.13.26

    D. Router# show access-list

    E. Router# show ip interface


    参考答案：A, D, E

  • 第2题：

    A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?（）Router(config)router ospf 1Router(config-router)network 10.0.0.0 255.0.0.0 area 0

    A. The process id is configured improperly

    B. The OSPF area is configured improperly

    C. The network wildcard mask is configured improperly

    D. The network number is configured improperly

    E. The AS is configured improperly

    F. The network subnet mask is configuerd improperly


    参考答案：C

  • 第3题：

    What does the "Inside Global" address represent in the configuration of NAT?（）

    • A、the summarized address for all of the internal subnetted addresses
    • B、the MAC address of the router used by inside hosts to connect to the Internet
    • C、a globally unique， private IP address assigned to a host on the inside network
    • D、a registered address that represents an inside host to an outside network

    正确答案:D

  • 第4题：

    An administrator has added an additional network adapter to each cluster node. The adapters  have been configured and tested， and the /etc/hosts file has been updated. However，the adapters do not appear in the pick list when the administrator tries to define the adapters to HACMP.  What would be required to correct this problem？（）  

    • A、 Rerun autodiscovery.
    • B、 Synchronize the cluster.
    • C、 Restart cluster services.
    • D、 Delete and recreate the adapters.

    正确答案:A

  • 第5题：

    In any NAT (network address translation) configuration, what is the Inside Global IP address?（）

    • A、The summarized address for all internal subnetted addresses.
    • B、A private IP address assigned to a host on the inside network.
    • C、A registered address that represents an inside host to an outside network.
    • D、A unique IP address used on an internal network
    • E、Non of the above

    正确答案:C

  • 第6题：

    An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）

    • A、Router routes traffic between different networks and a switch does not
    • B、The new switch is faulty and needs to be replaced and configured correctly
    • C、The firewall needs to be setup to allow traffic to reach the Internet
    • D、The switch needs to be setup to forward data traffic to the Internet

    正确答案:A

  • 第7题：

    An AIX server has 2 network interfaces and the system administrator wants to enable the users on the locally configured network interface to be able to connect to systems configured on the global network interface.  How is it accomplished？（）

    • A、Enable routed on the server
    • B、Enable gated on the server
    • C、Enable ipforwarding on the server
    • D、Set network options back to default

    正确答案:C

  • 第8题：

    You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server is configured as a network address translation (NAT) router. The server has two network adapters and provides Internet access for the network.You need to prevent traffic on port 21 from being sent to the Internet. All other outbound traffic must be allowed.What should you do?（） 

    • A、On the network adapter that is connected to the LAN, enable TCP/IP filtering. 
    • B、On the network adapter that is connected to the Internet, enable TCP/IP filtering. 
    • C、From the Routing and Remote Access snap-in, open the properties of the interface connected to the Internet, select the Services and Ports tab, and define a new service. 
    • D、From the Routing and Remote Access snap-in, open the properties of the interface connected to the Internet, select the NAT/Basic Firewall tab, and define a new static packet filter.

    正确答案:D

  • 第9题：

    多选题
    A network administrator has configured access list 172 to prevent Telnet and ICMP traffic from reaching a server with the address if 192.168.13.26. Which command can the administrator issue to verify that the access list is working properly?（）
    A

    Router# ping 192.168.13.26

    B

    Router# debug access-list 172

    C

    Router# show open ports 192.168.13.26

    D

    Router# show access-list

    E

    Router# show ip interface


    正确答案： D,E
    解析： 暂无解析

  • 第10题：

    单选题
    An administrator has added an additional network adapter to each cluster node. The adapters  have been configured and tested， and the /etc/hosts file has been updated. However，the adapters do not appear in the pick list when the administrator tries to define the adapters to HACMP.  What would be required to correct this problem？（）
    A

     Rerun autodiscovery.

    B

     Synchronize the cluster.

    C

     Restart cluster services.

    D

     Delete and recreate the adapters.


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）
    A

    The host needs to open the telnet port.

    B

    The host needs a route for the translated address.

    C

    The administrator must use a proxy-arp policy for the translated address.

    D

    The administrator must use a security policy, which will allow communication between the zones.


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    Refer to the exhibit.The network administrator normally establishes a telnet session with the switch from host A.However,host A is unavailable.The administrator′s attempt to the switch from host B fails,but pings to the other two hosts are successful.what is the issue?（）
    A

    Host B and the switch need to be in the same subnet.

    B

    The switch needs and appropriate default gateway assigned.

    C

    The switch interface connected to the router is down.

    D

    Host B need to be assigned an IP address in vlan 1.

    E

    The switch interfaces need the appropriate IP addresses assigned.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    In any NAT (network address translation) configuration, what is the Inside Global IP address?()

    A. The summarized address for all internal subnetted addresses.

    B. A private IP address assigned to a host on the inside network.

    C. A registered address that represents an inside host to an outside network.

    D. A unique IP address used on an internal network

    E. Non of the above


    参考答案：C

  • 第14题：

    the network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two valid reasons for adopting ipv6 over ipv4?()

    A. telnet access does not require a password

    B. nat

    C. no broadcast

    D. chanage of destination address in the ipv6 header

    E. chanage of source address in the ipv6 header

    F. autoconfiguration


    参考答案：C, F

  • 第15题：

    Computers on a small network are not able to receive new addresses from the DHCP server. However, the administrator has checked the server and ensured it is connected, responding, and functional. Which of the following is the MOST likely problem in this scenario?（）

    • A、The DHCP server has an incorrect gateway configured.
    • B、The DHCP server was incorrectly configured with a six hour lease time on addresses.
    • C、The DHCP server was incorrectly configured with no-expiring lease time on addresses.
    • D、The DNS server is no longer functional and internal name-address resolution is down.

    正确答案:C

  • 第16题：

    the network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two valid reasons for adopting ipv6 over ipv4?（）

    • A、telnet access does not require a password
    • B、nat
    • C、no broadcast
    • D、chanage of destination address in the ipv6 header
    • E、chanage of source address in the ipv6 header
    • F、autoconfiguration

    正确答案:C,F

  • 第17题：

    A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem? （）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

    • A、The process id is configured improperly
    • B、The OSPF area is configured improperly
    • C、The network wildcard mask is configured improperly
    • D、The network number is configured improperly
    • E、The AS is configured improperly
    • F、The network subnet mask is configuerd improperly

    正确答案:C

  • 第18题：

    A system administrator needs to specify a set of FQDN to IP address mappings for a legacyserver； the administrator does not want the legacy server to be referenced by other servers. Which of the following should the administrator use to set this？（）

    • A、DHCP server
    • B、DNS server
    • C、Host file
    • D、Route statements

    正确答案:C

  • 第19题：

    A network administrator receives complaints from the engineering group that an application on one server is not working properly. After further investigation, the administrator determines that source NAT translation is using a different source address after a random number of flows. Which two actions can the administrator take to force the server to use one address?（） (Choose two.)

    • A、Use the custom application feature.
    • B、Configure static NAT for the host.
    • C、Use port address translation (PAT).
    • D、Use the address-persistent option.

    正确答案:B,D

  • 第20题：

    多选题
    A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?（）
    A

    ARP

    B

    CDP

    C

    DHCP

    D

    DNS

    E

    ICMP


    正确答案： B,E
    解析： 暂无解析

  • 第21题：

    单选题
    A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）
    A

    The host needs to open the telnet port.

    B

    The host needs a route for the translated address.

    C

    The administrator must use a proxy-arp policy for the translated address.

    D

    The administrator must use a security policy, which will allow communication between the zones.


    正确答案： D
    解析： 暂无解析

  • 第22题：

    多选题
    The network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two validreasons for adopting ipv6 over ipv4？（）
    A

    telnet access does not require a password

    B

    nat

    C

    no broadcast

    D

    chanage of destination address in the ipv6 header

    E

    chanage of source address in the ipv6 header

    F

    autoconfiguration


    正确答案： D,B
    解析： 暂无解析

  • 第23题：

    单选题
    In any NAT (network address translation) configuration, what is the Inside Global IP address?（）
    A

    The summarized address for all internal subnetted addresses.

    B

    A private IP address assigned to a host on the inside network.

    C

    A registered address that represents an inside host to an outside network.

    D

    A unique IP address used on an internal network

    E

    Non of the above


    正确答案： A
    解析： 暂无解析

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