At which of the following layers does the TCP protocol operate?()
A.Layer 1
B.Layer 4
C.Layer 6
D.Layer 7
A.Layer 1
B.Layer 4
C.Layer 6
D.Layer 7
第1题
A.CASlatencyistheratiobetweenthecolumnaccesstimeandtheclockcycletime.
B.CASlatencyistheratiobetweentherowaccesstimeandtheclockcycletime.
C.CASlatencyistheratiobetweenthecolumnaccesstimeandthedatabursttransfertime.
D.CASlatencyistheratiobetweentherowaccesstimeandthedatabursttransfertime.
第2题
A.DNS
B.FTP
C.WINS
D.IMAP4
第3题
A technician has had several support requests for one PC. The technician has reseated the PCIcards and replaced the hard drive in the PC located in a school cafeteria kitchen. PCs located in the business office or the classrooms have not had this issue.Which of the following is MOST likely causing this PC’s issue?()
A. Faulty RAM
B. 240 volt Kitchen outlets
C. Power Brownouts
D. Excessive Heat
第4题
AnadministratorisinchargeofseveralremoteserversinJapan.Userscallandcomplaintheycannotconnecttothecompany’sresourceslocatedonthoseservers.Whichofthefollowingcommandswouldallowtheadministratortoverifytheserversarerunning?()
A.ping
B.netstat
C.nbtstat
D.telnet
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