The following three concepts are essential to the OSI model:service,interface and
A． networks
B．applications
C．protocols
D．layers
.Water and air are _______ to human beings. We can not live without them. A.harbour B.function C.definite D.essential
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Believe it or not, Linda’s ( ) son can play the piano now.A、three-years oldB、three-year-oldC、three-year old
You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following
The wealthy doctor has a __________ daughter.A、three-years-oldB、three years’ oldC、three-year-oldD、three-year old
Despite the wonderful acting and well-developed plot the _________ movie could not hold our attention.A) three-hours B) three-hourC) three-hours’ D) three-hour’s
Whichinformationisrequiredtogetthefeatureactivationcodes()A.machineserialnumber，model，andmachinesignatureB.model，disksize，andmachineserialnumberC.model，StorageManagerversion，andmachinesignatureD.model，WWNN，andmachineserialnumber
Which command shows if an access list is assigned to an interface?()A. show ip interface [interface] access-listsB. show ip access-lists interface [interface]C. show ip interface [interface]D. show ip access-lists [interface]
