单项选择题
DNS servers provide what service?（）
A.they run a spell check on host names to ensure accurate routing
B.they map individual hosts to their specific IP address
C.they convert domain names into IP address
D.Given an IP address,they determine the name of the host that is…
相关考题
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单项选择题
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. -
多项选择题
When a DHCP server is configured, which two IP addresses should never be assignable to hosts? （）
A.network or subnetwork IP address
B.broadcast address on the network
C.IP address leased to the LAN
D.IP address used by the interfaces
E.manually assigned address to the clients
F.designated IP address to the DHCP server -
单项选择题
Refer to the exhibit.Explain how the routes in the table are being affected by the status change on interfaceEthernet0.（）
A.The router is poisoning the routes and multicasting the new path costs via interface Ethernet1
B.The router is receiving updates about unreachable networks from router that are connected to interface Ethernet1
C.The router is poisoning the routes and broadcasting the new path costs via interface Ethernet1
D.The router is requesting updates for these networks from routers that are connected to interface Etherne1
