How dose a DHCP server dynamically assign IP address to host？（）

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

A . You should use Windows PowerShell to run the Enable-NetFirewallRule command. B . You should use Windows PowerShell to run the Add-WindowsPackage command. C . You should use Windows PowerShell to run the Install-WindowsFeature command. D . You should use Server Manager console on to add the User Interfaces. E . You should use Server Manager console to add the Infrastructure feature. F . You should use Server Manager console to add the Windows feature.

A . a，b B . a，b，c C . b，c，d D . a，b，c，d

A . Add the DHCP server option 15 B . Add the DHCP server option 44 C . Set the Conflict Detection value to 0 D . Set the Conflict Detection value to 2

A .  IT staff in Atlanta B .  IT staff in Seattle C .  DHCP administrators in all offices D .  DHCP administrators in Atlanta only E .  Members of the Enterprise Admins grou

A . Run ipconfig.exe /renew. B . Run ipconfig.exe /registerdns. C . On DHCP1, recreate the reservation. D . On DHCP1, delete the active lease for the reservation.

A . IT staff in Atlanta B . IT staff in Seattle C . DHCP administrators in all offices D . DHCP administrators in Atlanta only E . Members of the Enterprise Admins grou

A . Add the DHCP server option 15. B . Add the DHCP server option 44. C . Set the Conflict Detection value to 0. D . Set the Conflict Detection value to 2.

A . Create a new scope for the DNS servers. B . Create a reservation for the DHCP server. C . Configure the 005 Name Servers scope option. D . Configure an exclusion that contains the IP addresses of the four DNS servers.

A . Create a new scope for the DNS servers. B . Create a reservation for the DHCP server. C . Configure the 005 Name Servers scope option. D . Configure an exclusion that contains the IP addresses of the four DNS servers.

A .  Chief information officer B .  IT support staff in Boston C .  IT support staff in New York D .  Network administrator in Chicago E .  Network administrator in New York

A . Add the DHCP server option 15. B . Add the DHCP serve option 44. C . Set the conflict detection value to 0. D . Set the conflict detection value to 2.

A . From the DHCP console, configure filters. B . From the Local Security Policy console, modify the network settings. C . From the Local Users and Groups console, modify the membership of the DHCP Users group. D . From the Netsh tool, change to the DHCP Server context, and then run the initiate auth command.

A .  From the DHCP snap-in， reconcile the database B .  From the folder that contains the DHCP database， run jetpack.exe dhcp.db temp.mdb C .  From the properties of the dhcp.mdb file， enabled the File is ready for archiving attribute. D .  From the properties of the dhcp.mdb file， enable the Compress contents to save diskspace attribute

A . Use network options to enable ipforwarding B . Edit /etc/rc.tcpip and enable dhcpsd C . Edit /etc/rc.nfs increase the number of biod daemons D . Use SMIT to set the server to use DHCP instead of static IP addresse

A . Through the crankcase exhauster B . As water vapor contained in blow-by C . Demulsifying lube oil passing through the main bearings D . Condensation from vapor formed in the expansion tank

A .  Create a new scope for the DNS servers. B .  Create a reservation for the DHCP server C .  Configure the 005 Name Servers scope option D .  Configure an exclusion that contains the IP addresses of the four DNS server

A . Chief information officer B . IT support staff in Boston C . IT support staff in New York D . Network administrator in Chicago E . Network administrator in New York &e

A . From the DHCP snap-in, reconcile the database. B . From the folder that contains the DHCP database, run jetpack.exe dhcp.mdb temp.mdb. C . From the properties of the dhcp.mdb file, enable the File is ready for archiving attribute. D . From the properties of the dhcp.mdb file, enable the Compress contents to save disk space attribute.

A .  validates DHCP messages received from untrusted sources and filters out invalid response messages from DHCP servers B .  intercepts all ARP requests and responses on untrusted ports C .  builds and maintains the DHCP snooping binding database， which contains information about untrusted hosts with leased IP addresses D .  uses the DHCP snooping binding database to validate subsequent requests from untrusted hosts E .  limits IP traffic on an interface to only those sources that have an IP-MAC address binding table entry or static IP source entry

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

A.Create a multicast scope. B.Assign a static ip address to server2. C.Create an exclusion range in the DHCP scope. D.Create a DHCP reservation in the DHCP scope.

A. From the DHCP snap-in, export list. B. From the DHCP snap-in, back up the server. C. From Windows Explorer, copy the %systemroot%\System32\Dhcp\DHCP.mdb file. D. From Windows Explorer, copy the %systemroot%\System32\Dhcp\backup\dhcpcfg file.

A．Forward DNS lookup B．Reverse DNS lookup C．RARP D．Nslookup