施加有机肥、秸秆还田的主要目的是为了提高土壤中的微量元素。 [ ]
A.正确
B.错误
第1题
A.192.168.1.56/27
B.192.168.1.64/26
C.192.168.1.64/27
D.192.168.1.56/26
第2题
A.ContentandURLfiltering
B.IntrusionPrevention
C.VPN
D.VirusandPhishingprotection
E.ContentCaching
第3题
A.Preventingbrowsersfromopeningnetworksocketsinlisteningstate.
B.Preventingbufferoverflows.
C.Preventingusersfromenteringunencryptedpasswords
D.Preventingbrowsersfromactingasclienttowebservers.
第4题
A.VLANs have not been created yet
B.An IP address must be configured for the port
C.The port is currently configured for access mode
D.The correct encapsulation type has not been configured
E.The no shutdown command has not been entered for the port
第5题
A.ItistheRoutingprotocolusedbetweenATMswitches
B.PNNIusesthesameDijsktraalgorithmforSPFcalculation
C.PNNIandOSPFusethesameDatabasetomakecohesivedecisionforpacketforwarding
D.PNNImeasureslinecapacitiesanddelaysinadditiontosimplecostmetrics
第6题
A.Openmailrelaysareoftenusedforspamming.
B.ESMTPdoesNOTprovidemoresecurityfeaturesthanSMTP
C.SMTPdoesprovideauthenticatedemailsending."
D.WormsoftenspreadviaSMTP.
第7题
A.PPP
B.WAP
C.HDLC
D.MPLS
E.L2TPv3
F.ATM
第8题
A.ExternalLSA(Type5)
B.OpaqueLSA(Type9)
C.OpaqueLSA(Type10)
D.OpaqueLSA(Type11)
E.NSSALSA(Type7)
第10题
A.by encrypting all passwords passing through the router
B.by encrypting passwords in the plain text configuration file
C.by requiring entry of encrypted passwords for access to the device
D.by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E.by automatically suggesting encrypted passwords for use in configuring the router
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