多項(xiàng)選擇題

What are two benefits of using NAT?（）

A.NAT protects network security because private networks 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.

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單項(xiàng)選擇題

Which statement describes the process of dynamically assigning IP addresses by the DHCP server?（）

A.Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B.Addresses are permanently assigned so that the hosts uses the same address at all times.
C.Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made.
D.Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.

單項(xiàng)選擇題

Refer to the exhibit. What statement is true of the configuration for this network?（）

A.The configuration that is shown provides inadequate outside address space for translation of the number of inside addresses that are supported.
B.Because of the addressing on interface FastEthernet0/1, the Serial0/0 interface address will not support the NAT configuration as shown.
C.The number 1 referred to in the ip nat inside souce command recerences access-list number 1.
D.ExternalRouter must be configured with static routers to network 172.16.2.0/24

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What are two benefits of using NAT?（）

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Which statement describes the process of dynamically assigning IP addresses by the DHCP server?（）

Refer to the exhibit. What statement is true of the configuration for this network?（）

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