A./c
B./q
C./x
D./v
第1题:
A.Hard drive CD-ROM Floppy
B.Floppy,Harddrive
C.CD-ROM,Floppy,Harddrive
D.Floppy,CD-ROM,Harddrive
第2题:
Refer to the exhibit. All multilayer switches are running PIM dense mode. Recipient A and Recipient B are sending IGMPv2 joi n messages to their respective multilayer switches. Which statement is true?()

A. The Multicast Server is the root of the multicast tree. Switches 1, 3, 4, and 5 will participate in the multicast tree once pruning has taken place.
B. The Multicast Serv er is the root of the multicast tree. Switches 4 and 5 will participate in the multicast tree once pruning has taken place.
C. Switch 3 is the root of the multicast tree. Switches 3,4, and 5 will participate in the multicast tree once pruning has taken place.
D. Switch 3 is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the multicast tree once pruning has taken place.
E. Switch 1 is the root of the multicast tree. Switches 1,4, and 5 will participate in the multicast tree once pruning has taken place.
F. Switch 1 is the root of the multicast tree. Switches 1,3,4, and 5 will participate in the multicast tree once pruning has taken place.
第3题:
____________ utility市政设施
第4题:
You are a network techn ician, study the exhibit carefully. All multilayer switches are running PIM sparse mode. Host CKB and Host CKF are sending IGMPv2 join messages to their respective multilayer switches. Which description is correct?()

A. Switches 1, 2, 3, and 6 will part icipate in the multicast tree once pruning has taken place.
B. Switches 2 and 6 will participate in the multicast tree once pruning has taken place.
C. Switches 1, 2, 3, and 6 will participate in the multicast tree.
D. The multicast server is the rendez vous point of the multicast tree.
第5题:
第6题:
AutoLISP 语言中先执行(setq p1 '(130 140))、(setq p2 '(200 400))两个语句,然后绘制从P1点到P2点的直线的AutoLISP程序语句为: A.(command “直线” p1 p2 “”) B.(command “line” p1 p2) C.(command “spline” p1 p2 “”) D.(command “line” p1 p2 “”)
A.错
B.错
C.错
D.对