当TREE=2表示()。
第1题:
当Esc键与单击该命令按钮作用相同时,此命令按钮的什么属性被设置为 Tree?
A.Style
B.Default
C.Caption
D.Cancel
第2题:
Traversing a binary tree in preorder is equivalent to(68).
A.Traversing the forest corresponding to the binary tree in root-first order
B.Traversing the forest corresponding to the binary tree in root-last order
C.Traversing the forest corresponding to the binary tree in breadth-first order
D.None of the above
第3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4题:
A. spanning-tree backbonefast
B. spanning-tree uplinkfast
C. spanning-tree portfast
D. spanning-tree cost512
第5题:
A.spanning-tree mode rapid-pvst
B.spanning-tree uplinkfast
C.spanning-tree backbonefast
D.spanning-tree mode mst
第6题:
Which two of these statements correctly describe classic PIM-SM?()
第7题:
Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs?()
第8题:
现有: class Tree { private static String tree = "tree "; String getTree () { return tree; } } class Elm extends Tree { private static String tree = "elm "; public static void main (String [] args) { new Elm() .go (new Tree()) ; } } void go (Tree t) { String s = t.getTree () +Elm.tree + tree + (new Elm() .getTree ()) ; System.out.println (s) ;} 结果为:()
第9题:
Which command enhances the 802.1D convergence time on ports that are connected to hosts?()
第10题:
final class Tree { private static String tree = "tree "; String getTree() { return tree; } } class Elm extends Tree { private static String tree = "elm "; public static void main(String [] args) { new Elm().go(new Tree()); } void go(Tree t) { String s = t.getTree()+Elm.tree+tree+(new Elm().getTree()); System.out.println(s); } } 结果为:()
第11题:
elm elm elm elm
tree elm elm elm
tree elm elm tree
tree elm tree elm
第12题:
spanning-tree mode rapid-pvst
spanning-tree uplinkfast
spanning-tree backbonefast
spanning-tree mode mst
第13题:
Windows基本操作题(共5小题,每小题2分,共10分。)
(1)在D盘根下建立NL文件夹,在NL文件夹下建立Bl子文件夹和B2子文件夹。
(2)在Bl下建立一个名为TREE. txt空文本文件。
(3)将B1中的文件TREE. txt复制到B2中,将B2中TREE. txt的改名为PPT. txt。
(4)将Bl中的文件TREE. txt删除,然后从回收站中还原。
(5)将B2中EXOT3. txt的属性设置为隐藏。
第14题:
考虑如下代码:
class Tree{}
class Pine extends Tree{}
class Oak extends Tree{}
public class Forest {
public static void main( String[] args ) {
Tree tree = new Pine();
if( tree instanceof Pine )
System.out.println( "Pine" );
if( tree instanceof Tree )
System.out.println( "Tree" );
if( tree instanceof Oak )
System.out.println( "Oak" );
else
System.out.println( "Oops" );
}
}
则输出结果中有哪些?
A.Pine B.Tree C.Forest D.Oops E.无输出
第15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16题:
A. spanning-tree mode rapid-pvst
B. spanning-tree uplinkfast
C. spanning-tree backbonefast
D. spanning-tree mode mst
第17题:
The cottonwood tree Mr. Flanagan found was an extremely tall tree with broad leaves.
第18题:
当VPMN用户发起主叫时,被叫号码是在()送往SCP处理。
第19题:
What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations?()
第20题:
Which command enables RSTP on a switch?()
第21题:
Which two statements about the various implementations of STP are true?()
第22题:
elm elm elm elm
tree elm elm elm
tree elm tree elm
编译失败
第23题:
immediately after receiving the first packet on the shared tree for a given (S,G)
after receiving over 1 kb/s traffic onthe shared tree for a given (S,G)
10 seconds after receiving the first packet on the shared tree for a given (S,G)
30 seconds after receiving the first packet on the shared tree for a given (S,G)
after receiving over 10 kb/s traffic onthe shared tree for a given (S,G)