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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.
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更多 “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.” 相关考题
考题
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 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
考题
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.
考题
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
考题
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 192.168.13.26B. Router# debug access-list 172C. Router# show open ports 192.168.13.26D. Router# show access-listE. Router# show ip interface
考题
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 networkE. Non of the above
考题
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 0A. The process id is configured improperlyB. The OSPF area is configured improperlyC. The network wildcard mask is configured improperlyD. The network number is configured improperlyE. The AS is configured improperlyF. The network subnet mask is configuerd improperly
考题
What does the "Inside Global" address represent in the configuration of NAT?（）A、the summarized address for all of the internal subnetted addressesB、the MAC address of the router used by inside hosts to connect to the InternetC、a globally unique， private IP address assigned to a host on the inside networkD、a registered address that represents an inside host to an outside network
考题
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.
考题
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.
考题
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 passwordB、natC、no broadcastD、chanage of destination address in the ipv6 headerE、chanage of source address in the ipv6 headerF、autoconfiguration
考题
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 networkE、Non of the above
考题
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 0A、The process id is configured improperlyB、The OSPF area is configured improperlyC、The network wildcard mask is configured improperlyD、The network number is configured improperlyE、The AS is configured improperlyF、The network subnet mask is configuerd improperly
考题
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 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
考题
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 serverB、DNS serverC、Host fileD、Route statements
考题
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.
考题
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.
考题
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.
考题
单选题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 serverB
Enable gated on the serverC
Enable ipforwarding on the serverD
Set network options back to default
考题
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?（）ARouter# ping 192.168.13.26BRouter# debug access-list 172CRouter# show open ports 192.168.13.26DRouter# show access-listERouter# show ip interface
考题
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.
考题
单选题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.
考题
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.
考题
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？（）Atelnet access does not require a passwordBnatCno broadcastDchanage of destination address in the ipv6 headerEchanage of source address in the ipv6 headerFautoconfiguration
考题
单选题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 0A
The process id is configured improperlyB
The OSPF area is configured improperlyC
The network wildcard mask is configured improperlyD
The network number is configured improperlyE
The AS is configured improperlyF
The network subnet mask is configuerd improperly
考题
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 networkE
Non of the above
考题
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.
考题
单选题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 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
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