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List、Map、Set 三个接口，存取元素时，各有什么特
点？
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考题
关于集合，下列叙述错误的是______。A．集合中的对象称为它的元素B．一个集合是代表一组对象的一个对象C．集合主要用于处理各种类型的对象的聚集D．集合包含四个重要接口：Collection、Set、List、Map
考题
下列关于List接口的描述中,错误的是?()
A.List接口继承自Collection接口，是单列集合B.List集合中允许出现重复的元素C.List集合存储元素是有序的，即元素的存入顺序和取出顺序一致D.List集合中所有的元素是以二叉树方式进行存储的
考题
A policy needs to be implemented on Router B so that any traffic sourced from 172.16.10.0／24 will be forwarded to Router C. Which configuration on Router B will achieve the desired effect?()
A.access - list 1 permit 172.16.10.0 0.0.0.255 ! interface e0 ip policy route - map policy ! route - map policy permit 10 match ip address 1 set ip next - hop 1 72.16.14.4B.access - list 1 permit 172.16.10.0 0.0.0.255 ! interface s0 ip policy route - map policy ! route - map policy permit 10 match ip address 1 set ip next - hop 172.16.12.3C.access - list 1 permit 172.16.10.0 0.0.0.255 ! interface e0 ip polic y route - map policy ! route - map policy permit 10 match ip address 1 set ip next - hop 172.16.12.2D.access -list 1 deny 172.16.10.0 0.0.0.255 ! interface s0 ip policy route - map policy ! route - map policy permit 10 match ip address 1 set ip next - hop 172.16.12.2
考题
Refer to the exhibit. Which three statements accurately describe the result of applying the exhibited route map?()
A. The map prohibits th e redistribution of all type 2 external OSPF routes.B. All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8.C. The map prohibits the redistribution of all external OSPF routes with tag 6 set.D. Th e map permits the redistribution of all type 1 external OSPF routes.E. The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values?0000, 1000, 255, 1, and 1500.F. The map prohibits the redistribution of all ty pe 2 external OSPF routes with tag 6 set.
考题
WhatistheorderofpreferenceforthesecommandswhenallofthemareappliedtooneneighborintheBGPinboundfilterdirection?()
A.prefix-list，route-map，filter-list，distributelistB.route-map，filter-list，prefix-list，distribute-listC.route-map，distribute-list，prefix-list，filter-listD.filter-list，prefixlist，route-map，distributelistE.distributelist，prefix-list，route-map，fitterlist
考题
What is the order of preference for these commands when all of them are applied to one neighbor in theBGP inbound filter direction？（）A、prefix-list， route-map， filter-list， distribute listB、route-map， filter-list， prefix-list， distribute-listC、route-map， distribute-list， prefix-list， filter-listD、filter-list， prefix list， route-map， distribute listE、distribute list， prefix-list， route-map， fitter list
考题
关于Hibernate中关系的说话正确的是（）A、一对多必须用Set来映射B、多对一必须用Set来映射C、一对多可以用Set来映射，也可以用List、Map来映射D、多对一必须用Set来映射，也可以用List、Map来映射
考题
关于集合框架特征，说法不正确的是（）A、Map集合中的键对象不允许重复B、有序List集合中的元素允许重复C、有序Set集合中的元素不允许重复D、无序Collection集合中的元素允许重复、无序
考题
Which of these statements concerning the collection interfaces are true？（） A、Set extends Collection.B、All methods defined in Set are also defined in Collection.C、List extends Collection.D、All methods defined in List are also defined in Collection.E、Map extends Collection.
考题
单选题What is the order of preference for these commands when all of them are applied to one neighbor in theBGP inbound filter direction？（）A
prefix-list， route-map， filter-list， distribute listB
route-map， filter-list， prefix-list， distribute-listC
route-map， distribute-list， prefix-list， filter-listD
filter-list， prefix list， route-map， distribute listE
distribute list， prefix-list， route-map， fitter list
考题
单选题关于Hibernate中关系的说话正确的是（）A
一对多必须用Set来映射B
多对一必须用Set来映射C
一对多可以用Set来映射，也可以用List、Map来映射D
多对一必须用Set来映射，也可以用List、Map来映射
考题
( 难度：中等)关于容器下面说法正确的是？ ( )A.A：列表(List)和集合(Set)存放的元素都是可重复的B.B：列表(List)和集合(Set)存放的元素都是不可重复的C.C：映射(Map)＜key,value＞中key是可以重复的D.D：映射(Map)＜key,value＞中value是可以重复的
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