module 7 (1130932)
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http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_it1A technician has been told by a supervisor to always clear any dynamic translations before attempting totroubleshoot a failed NAT connection. Why has the supervisor issued these instructions?The supervisor wants to clear any confidential information that may be seen by the technician.Because entries can be cached for long periods of time, the supervisor wants to prevent decisions bemade based on old data.The translation table may be full and is unable to make new translations until space is available.Clearing the translations causes the starting configuration to be reread and may correct translproblems that have occurred.2Refer to the exhibit. What is the purpose of the command marked with an arrow shown in the partialconfiguration output of a Cisco 806 broadband router?defines which addresses are allowed out of the routerdefines which addresses are allowed into the routerdefines which addresses can be translateddefines which addresses are assigned to a NAT pool3After activating IPv6 routing on a Cisco router and programming IPv6 addresses on multiple interfaces,the remaining step to activate RIPng?Enter the ipv6 router rip name command and then use network statements to activate RIPng ointerfaces.Enter the ipv6 router rip name command and then specify which interfaces run RIPng, which are pand which only receive.Enter the interface programming mode for each IPv6 interface and enable IPv6 RIP.Enter the interface programming mode for each IPv6 interface and enable the multicast group FF02:http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_itthen activate RIPng globally using the ipv6 router rip name command.Enter the router rip command, and then activate RIPng using the version command.
RIPng thenautomatically runs on all IPv6 interfaces.4Refer to the exhibit. Traffic exiting R1 is failing translation. What part of the configuration is most likelyincorrect?ip nat pool statementaccess-list statementip nat inside is on the wrong interfaceinterface s0/0/2 should be a private IP address5Refer to the exhibit. Which two statements about the configuration are true? (Choose two.)Traffic from the 10.1.1.0 network will be translated.Traffic from the 209.165.200.0 network will be translated.xPermitted traffic gets translated to a single inside global IP address.A pool of inside global IP addresses from the 10.1.1.0 network will be used for translation.http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_itExternal users from the 209.165.200.0 network can reach private addresses on the 10.1.1.0 and 10.1.networks.6Refer to the exhibit. On the basis of the configuration shown, how should the pool of the excluded addreassigned to key hosts on the network, such as router interfaces, printers, and servers?The addresses are statically assigned by the network administrator.The DHCP server dynamically assigns the addresses.The addresses must be listed under the DHCP pool of addresses before they are available for staticassignment.The addresses must be listed under the DHCP pool of addresses before they are available for dynamassignment.7Refer to the exhibit.
Which two addresses could be assigned to traffic leaving S0 as a result of the statemnat pool Tampa 179.9.8.96 179.9.8.111 netmask 255.255.255.240? (Choose two.)10.0.0.125179.9.8.95179.9.8.98179.9.8.101179.9.8.1128http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_itRefer to the exhibit. A network technician determines DHCP clients are not working properly. The clientreceiving IP configuration information from a DHCP server configured on the router but cannot access tFrom the output in the graphic, what is the most likely problem?The DHCP server service is not enabled.The inside interface for DCHP is not defined.The DHCP pool is not bound to the interface.The pool does not have a default router defined for the clients.All the host addresses have been excluded from the DHCP pool.9http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_itRefer to the exhibit.
A technician used SDM to enter the NAT configuration for a Cisco router. Which stcorrectly describes the result of the configuration?A user on the inside sees web traffic coming from 192.168.1.3 using port 8080.The address 172.16.1.1 is translated into an address from the pool beginning with 192.168.1.3.xA user on the outside network sees a request addressed from 192.168.1.3 using port 80.A user on the outside must address traffic to port 8080 to reach the address 172.16.1.1.10What is true regarding the differences between NAT and PAT?PAT uses the word "overload" at the end of the access-list statement to share a single registeraddress.http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_itStatic NAT allows an unregistered address to map to multiple registered addresses.Dynamic NAT allows hosts to receive the same global address each time external access is requiredPAT uses unique source port numbers to distinguish between translations.11Refer to the exhibit.
The FTP server has an RFC 1918 private address. Users on the Internet need to conthe FTP server on the Fa0/0 LAN of R1. Which three configurations must be completed on R1? (Choosthree.)dynamic NATNAT with overloadingopen port 20open port 21open port 23NAT with port forwarding12Refer to the exhibit. According to the output, how many addresses have been successfully assigned by tDHCP server?167http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_it8913Refer to the exhibit.
The Raleigh router is configured with PAT. Which two configurations must be chathe private network is migrated to a 10.0.0.0 network? (Choose two.)E0 interface addressS0 interface addressthe access-list statementthe NAT outside interfacethe NAT inside interface14Refer to the exhibit. Which two statements are true when the IPv6 traffic traverses the manual tunnel acroIPv4 infrastructure? (Choose two.)IPv6 traffic originating from RT1 is encapsulated by IPv4, and the IPv4 header contains thedestination address 172.16.12.1.IPv6 traffic originating from RT1 is encapsulated by IPv4, and the IPv4 header contains the source ahttp://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_it172.16.12.1.IPv6 traffic originating from IPv6 hosts behind RT1 traverses the tunnel using destination addFEC0::13:3.IPv6 traffic originating from IPv6 hosts behind RT1 traverses the tunnel using source address FEC0:IPv6 traffic originating from IPv6 hosts behind RT1 is encapsulated by an additional IPv6 header thause of the IPv6 addresses assigned to the tunnel interfaces.IPv6 traffic from IPv6 hosts traversing the tunnel contains the source and destination IPv6 addresseswhen the IPv6 packet was created.15Refer to the exhibit.
How many IPv6 broadcast domains exist in this topology?0123416Which two statements accurately describe the construction of an IPv6 address? (Choose two.)9C00 has the same value as 9C.An unspecified address can be written as ::.Broadcast addresses are written as FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF.It is divided into classes A, B, and C.A 128-bit address that is expressed as a series of eight fields that are 16 bits each.17http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_itRefer to the exhibit.
R1 is performing NAT for the 10.1.1.0/24 network, and R2 is performing NAT for192.168.1.2/24 network. What destination IP address will HostA put in its IP header when communicatwith the web server?10.1.1.1172.30.20.2192.168.1.210.255.255.25518A network administrator wants to connect two IPv6 islands. The easiest way is through a public networuses only IPv4 equipment. What simple solution solves the problem?Replace the devices on the public network with devices that support IPv6.Configure RIPng on the border routers of each IPv6 island.Configure the routers to take advantage of dual-stack technology.Use tunneling to encapsulate the IPv6 traffic in the IPv4 protocol.What is the purpose of the DHCPDECLINE message?If the DHCP client received multiple DHCPOFFERs, it uses the DHCPDECLINE to refuse the offedoes not use.If the DHCP server sends an IP configuration update that the DHCP client does not need, it uses thDHCPDECLINE to refuse the information.The DHCP server uses the DHCPDECLINE message to refuse a DHCP client's request for IPconfiguration information.If the DHCP client detects that the address supplied by the DHCP server is in use on the netwuses the DHCPDECLINE to refuse the offer.1920http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_itRefer to the exhibit.
For the MAC address of a router Fast Ethernet interface shown, which three interfacommands result in identical IPv6 addresses assigned to the interface? (Choose three.)Router(config-if)# ipv6 address 2001:DB8::/64 eui-64Router(config-if)# ipv6 address 2001:DB8:: 39A7:94FF:FE07:CBD0/64Router(config-if)# ipv6 address 2001:DB8:: 3BA7:94FF:FE07:CBD0/64Router(config-if)# ipv6 address 2001:0DB8::39A7:9407:CBD0/64Router(config-if)# ipv6 address 2001:0DB8:3BA7:9407:CBD0::/64Router(config-if)# ipv6 address 2001:0DB8:0:0::/64 eui-6421Refer to the exhibit.
Which IP address is included in the YIADDR field of the DHCPOFFER message foIP address assigned to the client by the DHCP serverIP address of the DHCP relay agenthttp://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_itIP address of the default gatewayIP address that the client has previously leased from the DHCP serverWhich two traffic types are supported by Cisco IOS NAT? (Choose two.)Routing table updates22ICMPFTPBOOTPSNMP23What are two benefits of NAT? (Choose two.)It saves public IP addresses.It adds a degree of privacy and security to a network.It increases routing performance.It makes troubleshooting routing issues easier.It makes tunneling with IPsec less complicated.What type of NAT should a network administrator use to ensure that a web server on the inside networkalways available to the outside network?NAT overload24static NATdynamic NATPAT25Refer to the exhibit.
Which address or addresses represent the inside global address?10.1.1.2192.168.0.100http://ccna-4.blogspot.comhttp://360.yahoo.com/quocvuong_it209.165.20.25any address in the 10.1.1.0 network.
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