网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
填空题
The quick-growing exotic tree species are replanted in the deforested land because they can help prevent soil erosion.____
参考答案
参考解析
解析：
根据题于信息“quick-growing exotic tree species”可以定位到E段“Replanting deforested land with quick-growing exotic tree species, like eucalyptus or Australian acacia, can help solve immediate problems such as soil erosion and elevated carbon levels.”，故匹配段落为E段。
根据题于信息“quick-growing exotic tree species”可以定位到E段“Replanting deforested land with quick-growing exotic tree species, like eucalyptus or Australian acacia, can help solve immediate problems such as soil erosion and elevated carbon levels.”，故匹配段落为E段。
更多 “填空题The quick-growing exotic tree species are replanted in the deforested land because they can help prevent soil erosion.____” 相关考题
考题
Traversing a binary tree in preorder is equivalent toA．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.
考题
In Europe, where forestry is ecologically more advanced, the non-commercial tree species are recognized as members of native forest community, to be preserved as such, within reason。
考题
it is the clear felling form. of land clearing，when the logging procedure fells every tree that has the most devastating effect on both the production of carbon emissions and on species loss. ()
考题
Ittookalotofimaginationtocomeupwithsucha(n)________plan.A)inherentC)vigorousB)ingeniousD)exotic
考题
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" );elseSystem.out.println( "Oops" );}}则输出结果中有哪些?A.Pine B.Tree C.Forest D.Oops E.无输出
考题
Which command enhances the 802.1D convergence time on ports that are connected to hosts?()
A. spanning-tree backbonefastB. spanning-tree uplinkfastC. spanning-tree portfastD. spanning-tree cost512
考题
Which command enables RSTP on a switch?()
A. spanning-tree mode rapid-pvstB. spanning-tree uplinkfastC. spanning-tree backbonefastD. spanning-tree mode mst
考题
Which two of these statements correctly describe classic PIM-SM？（）A、The IOS default is for a last-hop router to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree.B、The IOS default is for every one of the routers on the shared tree to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree.C、The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "infinity."D、The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "zero."
考题
哪个命令可以在交换机启用RSTP？ （）A、 spanning-tree mode rapid-pvstB、 spanning-tree uplinkfastC、 spanning-tree backbonefastD、 spanning-tree mode mst
考题
What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations？（）A、immediately after receiving the first packet on the shared tree for a given （S，G）B、after receiving over 1 kb/s traffic onthe shared tree for a given （S，G）C、10 seconds after receiving the first packet on the shared tree for a given （S，G）D、30 seconds after receiving the first packet on the shared tree for a given （S，G）E、after receiving over 10 kb/s traffic onthe shared tree for a given （S，G）
考题
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：（） A、 elm elm elm elmB、 tree elm elm elmC、 tree elm elm treeD、 tree elm tree elm
考题
Which command enables RSTP on a switch?（）A、spanning-tree mode rapid-pvstB、spanning-tree uplinkfastC、spanning-tree backbonefastD、spanning-tree mode mst
考题
Which command enhances the 802.1D convergence time on ports that are connected to hosts?（）A、spanning-tree backbonefastB、spanning-tree uplinkfastC、spanning-tree portfastD、spanning-tree cost512
考题
Which two statements about the various implementations of STP are true？（）A、mon Spanning Tree maintains a separate spanning-tree instance for each VLAN configured in the network.B、The Spanning Tree Protocol （STP） is an evolution of the IEEE 802.1w standard.C、Per-VLAN Spanning Tree （PVST） supports 802.1Q trunking.D、Per-VLAN Spanning Tree Plus（PVST+） is an enhancement to 802.1Q specification and is supported only on Cisco devices.E、Rapid Spanning Tree Protocol （RSTP） includes features equivalent to Cisco PortFast， UplinkFast， and BackboneFast for faster network reconvergence.F、Multiple Spanning Tree （MST） assumes one spanning-tree instance for the entire Layer 2 network， regardless of the multiple number of VLANs
考题
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：（） A、elm elm elm elmB、tree elm elm elmC、tree elm tree elmD、编译失败
考题
单选题Which of the following can best summarize Sallon’s Plant Project?A
Discovering new species.B
Protecting rare species.C
Restoring extinct species.D
Reforming existing species.
考题
单选题哪个命令可以在交换机启用RSTP？ （）A
spanning-tree mode rapid-pvstB
spanning-tree uplinkfastC
spanning-tree backbonefastD
spanning-tree mode mst
考题
单选题Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs？（）A
spanning-tree guard rootB
spanning-tree portfast bpduguard defaultC
spanning-tree bpduguard enableD
spanning-tree bpdufilter enableE
spanning-tree portfast bpdufilter default
考题
单选题现有： 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：（）A
elm elm elm elmB
tree elm elm elmC
tree elm elm treeD
tree elm tree elm
考题
单选题Which command enables RSTP on a switch?（）A
spanning-tree mode rapid-pvstB
spanning-tree uplinkfastC
spanning-tree backbonefastD
spanning-tree mode mst
考题
单选题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：（）A
elm elm elm elmB
tree elm elm elmC
tree elm tree elmD
编译失败
考题
单选题What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations？（）A
immediately after receiving the first packet on the shared tree for a given （S，G）B
after receiving over 1 kb/s traffic onthe shared tree for a given （S，G）C
10 seconds after receiving the first packet on the shared tree for a given （S，G）D
30 seconds after receiving the first packet on the shared tree for a given （S，G）E
after receiving over 10 kb/s traffic onthe shared tree for a given （S，G）
考题
多选题Which two of these statements correctly describe classic PIM-SM？（）AThe IOS default is for a last-hop router to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree.BThe IOS default is for every one of the routers on the shared tree to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree.CThe default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to infinity.DThe default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to zero.
热门标签
最新试卷
