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多选题
What are disadvantages of Network Address Translation Transparency?（）
A
There is no disadvantage.
B
It will add 16 bytes per packet of overhead(8 bytes UDP header, and 8 bytes of NON-IKE Marker).
C
It will add 36 bytes per packet of overhead (20 bytes of IP header, 8 bytes of UDP header, 8 bytes of NON-IKE Marker).
D
It will require that both crypto peers support this feature in the IOS version. Both crypto peers must also have this feature enabled.
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更多 “多选题What are disadvantages of Network Address Translation Transparency?（）AThere is no disadvantage.BIt will add 16 bytes per packet of overhead(8 bytes UDP header, and 8 bytes of NON-IKE Marker).CIt will add 36 bytes per packet of overhead (20 bytes of IP header, 8 bytes of UDP header, 8 bytes of NON-IKE Marker).DIt will require that both crypto peers support this feature in the IOS version. Both crypto peers must also have this feature enabled.” 相关考题
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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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In any NAT (network address translation) configuration, what is the Inside Global IP address?()
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What is the network address for a host with the IP address 201.100.5.68／28?()
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What are disadvantages of Network Address Translation Transparency?（）A、There is no disadvantage.B、It will add 16 bytes per packet of overhead(8 bytes UDP header, and 8 bytes of NON-IKE Marker).C、It will add 36 bytes per packet of overhead (20 bytes of IP header, 8 bytes of UDP header, 8 bytes of NON-IKE Marker).D、It will require that both crypto peers support this feature in the IOS version. Both crypto peers must also have this feature enabled.
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A traditional router is better suited than a firewall device for which function？（）A、VPN establishmentB、packet-based forwardingC、stateful packet processingD、Network Address Translation
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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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Address translation is another component of Layer 3 design. Which two types of address translation allow an IP Address to be duplicated？ （）A、 PATB、 CATC、 NATD、 DATE、 FAT
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You are subneting in the network， out of network address，what’s feature can add one more address？
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What is the purpose of a network mask?（）A、It is used to identify the maximum hop count of a subnetwork.B、It is used to identify an IP address as either private or public.C、It is used to identify the network to which an IP address belongs.D、It is used to identify the total number of bits present in an IP address.
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A router that performs Network Address Translation （NAT） is installed between your computer and the Internet. The router fails. You connect the computer directly to the Internet. You need to ensure that the computer is connected to the Internet in the most secure manner possible. What should you do？（）A、Enable the Remote Desktop feature in the System Properties dialog box.B、Configure the network category of your network connection to Public.C、Configure the network category of your network connection to Private.D、Enable the Windows Collaboration Computer Name Registration Service exception in Microsoft Windows Firewall.
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Your network contains a server named Server1 that has the Routing role service installed. Server1 has two network connections. One network connection connects to the internal network. The other network connection connects to the Internet.All network connections connected to the internal network use private IP addresses. You install a Web server named Web1. Web1 hosts a secured Web site that only allows connections over TCP port 8281. Web1 is connected to the internal network.You need to ensure that the secure Web site can be accessed from the Internet.What should you do from the Routing and Remote Access console？（）A、Configure Routing Information Protocol (RIP), and then activate authentication on the RIP interface.B、Configure Routing Information Protocol (RIP), and then configure the incoming packet protocol settings on the RIP interface.C、Configure Network Address Translation (NAT), and then add a new service to the NAT interface.D、Configure Network Address Translation (NAT), and then enable the Secure Web Server (HTTPS) service on the NAT interface.
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问答题You are subneting in the network， out of network address，what’s feature can add one more address？
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单选题What type of services are provided by the Cisco IOS gateways in a VoIP network with Cisco CallManager functionality？ （）A
Cisco IOS gateways provide services such as address translation and network access control for the devices on the networlB
Cisco IOS gateways provide services such as bandwidth management and accountingC
Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networksD
Cisco IOS gateways provide zone management for all registered endpoints in the network
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What is the network address for a host with the IP address 201.100.5.68/28?（）A
201.100.5.0B
201.100.5.32C
201.100.5.64D
201.100.5.65E
201.100.5.31F
201.100.5.1
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
多选题Address translation is another component of Layer 3 design. Which two types of address translation allow an IP Address to be duplicated？ （）APATBCATCNATDDATEFAT
考题
多选题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.)AUse the custom application feature.BConfigure static NAT for the host.CUse port address translation (PAT).DUse the address-persistent option.
考题
单选题What is the purpose of a network mask?（）A
It is used to identify the maximum hop count of a subnetworkB
It is used to identify an IP address as either private or publicC
It is used to identify the network to which an IP address belongsD
It is used to identify the total number of bits present in an IP address
考题
多选题What are disadvantages of Network Address Translation Transparency?（）AThere is no disadvantage.BIt will add 16 bytes per packet of overhead(8 bytes UDP header, and 8 bytes of NON-IKE Marker).CIt will add 36 bytes per packet of overhead (20 bytes of IP header, 8 bytes of UDP header, 8 bytes of NON-IKE Marker).DIt will require that both crypto peers support this feature in the IOS version. Both crypto peers must also have this feature enabled.
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