问答题what is the NAT overloading?
问答题
what is the NAT overloading?
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NAT的主要技术类型有3种,它们是() A.静态NAT、动态NAT和网络地址端口转换NAPTB.集中NAT、分布NAT和网络地址端口转换NAPTC.并行NAT、串行NAT和网络地址端口转换NAPTD.主动NAT、被动NAT和网络地址端口转换NAPT
Operator overloading operator+= which appends another String instance into current Stringinstance.
Which statement is true about a NAT rule action of off?() A. The NAT action of off is only supported for destination NAT rule-sets.B. The NAT action of off is only supported for source NAT rule-sets.C. The NAT action of off is useful for detailed control of NAT.D. The NAT action of off is useful for disabling NAT when a pool is exhausted
A Cisco router has been configured with the following command:IP nat pool nat-test 192.168.6.10 192.168.6.20 netmask 255.255.255.0his is an example of what type of NAT?() A. Static NATB. Dynamic NATC. Dynamic NAT with overloadD. Port Address TranslationE. None of the above
Refer to the exhibit. What command sequence will enable PAT from the inside to outside network?() A.(config) ip nat pool isp-net 1.2.4.2 netmask 255.255.255.0 overloadB.(config-if) ip nat outside overloadC.(config) ip nat inside source list 1 interface ethernet1 overloadD.(config-if) ip nat inside overload
What command can be used toglobally disable the requirement that a translation rulemust exist beforepackets can pass through the firewall?() A、 nat 0B、 nonat-controlC、 access-listD、 none of the above
What is the function of the Cisco IOS command ip nat inside source static 10.1.1.5 172.35.16.5()。A、It creates a global address pool for all outside NAT transactionsB、It establishes a dynamic address pool for an inside static addressC、It creates dynamic source translations for all inside local PAT transactionsD、It creates a one-to-one mapping between an inside local address and an inside global addressE、It maps one inside source address to a range of outside global addresses
Which of the following commands will remove all dynamic entries for a router’s NAT table?()A、clear nat translationsB、clear ip nat translations*C、clear ip nat statisticsD、clear ip nat transactions*E、clear ip nat translationsF、clear ip nat translations all
A Cisco router has been configured with the following command:IP nat pool nat-test 192.168.6.10 192.168.6.20 netmask 255.255.255.0his is an example of what type of NAT?()A、Static NATB、Dynamic NATC、Dynamic NAT with overloadD、Port Address TranslationE、None of the above
TestKing has 25 computers and decides to connect the network to the Internet.TestKing would like for all of the computers to have access to the Internet at the same time, but TestKing only has four usable publicly routable IP addresses.What should be configured on the router so that all computers can connect to the Internet simultaneously?()A、Static NATB、Global NATC、Dynamic NATD、Static NAT with ACLsE、Dynamic NAT with overload
What are two benefits of using NAT?()A、NAT protects network security because privat enetworks are not advertised.B、NAT accelerates the routing process because no modifications are made on the packets.C、Dynamic NAT facilitates connections from the outside of the network.D、NAT facilitates end-to-end communication when IPsec is enable.E、NAT eliminates the need to re-address all host that require extemal access.F、NAT conserves addresses through host MAC-level multiplexing.
You have just installed a new web server on the Testking network. You are required to ensure that the web server is accessible from the Internet. The network uses private addressing, so an IP-to-registered address mapping is required.To do this, you enter the following command:TestKing(config)# ip nat inside source static 192.168.2.1 198.18.1.254 You unsuccessfully try to ping the Internet from a PC host on the LAN. During the troubleshooting process, you enter the "show ip nat translations" command but the output is blank. What is the most likely cause of the problem?()A、The keyword overload is missing from the command.B、The NAT pool must be defined first.C、An access list must be defined to create static NAT translations.D、The interfaces must be configured for NAT.E、None of the above
Which statement is true about a NAT rule action of off?()A、The NAT action of off is only supported for destination NAT rule-sets.B、The NAT action of off is only supported for source NAT rule-sets.C、The NAT action of off is useful for detailed control of NATD、The NAT action of off is useful for disabling NAT when a pool is exhausted.
Your company has a single Active Directory domain. The domain has servers that run Windows Server 2008 R2. You have a server named NAT1 that functions as a NAT server. You need to ensure that administrators can access a server named RDP1 by using Remote Desktop Protocol (RDP). What should you do?()A、Configure NAT1 to forward port 389 to RDP1.B、Configure NAT1 to forward port 1432 to RDP1.C、Configure NAT1 to forward port 3339 to RDP1.D、Configure NAT1 to forward port 3389 to RDP1.
单选题Which of the following commands will remove all dynamic entries for a router’s NAT table?()Aclear nat translationsBclear ip nat translations*Cclear ip nat statisticsDclear ip nat transactions*Eclear ip nat translationsFclear ip nat translations all
单选题What command can be used toglobally disable the requirement that a translation rulemust exist beforepackets can pass through the firewall?()A nat 0B nonat-controlC access-listD none of the above
单选题Which statement is true about a NAT rule action of off?()AThe NAT action of off is only supported for destination NAT rule-sets.BThe NAT action of off is only supported for source NAT rule-sets.CThe NAT action of off is useful for detailed control of NAT.DThe NAT action of off is useful for disabling NAT when a pool is exhausted
多选题What are two uses of NAT?()Aconserving public IP addressesBallowing stateful packet inspectionCpreventing unauthorized connections from outside the networkDallowing networks with overlapping private address space to communicate
单选题A Cisco router has been configured with the following command:IP nat pool nat-test 192.168.6.10 192.168.6.20 netmask 255.255.255.0his is an example of what type of NAT?()AStatic NATBDynamic NATCDynamic NAT with overloadDPort Address TranslationENone of the above
单选题TestKing has 25 computers and decides to connect the network to the Internet.TestKing would like for all of the computers to have access to the Internet at the same time, but TestKing only has four usable publicly routable IP addresses.What should be configured on the router so that all computers can connect to the Internet simultaneously?()AStatic NATBGlobal NATCDynamic NATDStatic NAT with ACLsEDynamic NAT with overload