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单选题
A router that takes the workstations internal IP address and changes it to another IP address whenit sends the data outside of the network is an example of which of the following?（）
A
NAT
B
IDS
C
NMAP
D
DMZ
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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
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Which destination addresses will be used by Host A to send data to Host C?（）A、the IP address of Switch 1B、the MAC address of Switch 1C、the IP address of Host CD、the MAC address of Host CE、the IP address of the router's E0 interfaceF、the MAC address of the router's E0 interface
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After executing the "show host" command, which of the information below would you see?（）A、The IP addresses of workstations allowed gain access to the router via an access listB、Permanent name-to-address mappings created using the ip host command.C、Temporary and permanent DNS entries.D、The names of the routers created using the hostname command.E、The length of time of users logged into the router, as well as the duration
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You would like to operate IS-IS on interface atm 6/0.33 with an IP address of 192.168.1.1/24. Which set of commands accomplishes this?（）A、router isis network 192.168.1.0 0.0.0.255B、router isis network 192.168.1.0 255.255.255.0C、interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 router isisD、interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 ip router isis
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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.
考题
单选题Your network contains two DHCP servers. The DHCP servers are named DHCP1 and DHCP2. The internal network contains 1，000 DHCP client computers that are located on a single subnet. A routerseparates the internal network from the Internet. The router has a single IP address on the internal interface. DHCP1 has the following scope information. èStarting IP address： 172.16.0.1 èEnding IP address： 172.16.7.255 èSubnet mask： 255.255.240.0 You need to provide a fault-tolerant DHCP infrastructure that supports the client computers on the internal network. In the event that a DHCP server fails， all client computers must be able to obtain a valid IP address. How should you configure DHCP2？（）A
Create a scope for the subnet 172.16.0.0/20. Configure the scope to use a starting IP address of 172.16.8.1 and an ending IP address of 172.16.15.254.B
Create a scope for the subnet 172.16.0.0/21. Configure the scope to use a starting IP address of 172.16.0.1 and an ending IP address of 172.16.15.254.C
Create a scope for the subnet 172.16.8.0/21. Configure the scope to use a starting IP address of 172.16.8.1 and an ending IP address of 172.16.10.254.D
Create a scope for the subnet 172.17.0.0/16. Configure the scope to use a starting IP address of 172.17.0.1 and an ending IP address of 172.17.255.254.
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
多选题The EtherChannel between your LAN switch and the Internet router is not load-balancing efficiently. On the switch， there are several workstations with valid IP ranges. Which load-balance algorithms can you use in the switch in order to optimize this load balancing？（）Asource IP addressBdestination IP addressCper-packet load balanceDdestination MAC addressEsource MAC address
考题
单选题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
多选题Which destination addresses will be used by Host A to send data to Host C?（）Athe IP address of Switch 1Bthe MAC address of Switch 1Cthe IP address of Host CDthe MAC address of Host CEthe IP address of the router's E0 interfaceFthe MAC address of the router's E0 interface
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