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多項(xiàng)選擇題Which three are characteristics of an IPV6 anycast address?（）

A.any-to-many communication model
B.delivery of packets to the group interface that is closest to the sending device
C.one-to-many communication model
D.the same address for multiple devices in the group
E.one-to-nearest communication model
F.a unique IPV6 address for each device in the group

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1.單項(xiàng)選擇題You are working in a data center environment and are assigned the address range 10.188.31.0/23.You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each.Which IP address range meets these requirements？（）

A.10.188.31.0/27
B.10.188.31.0/26
C.10.188.31.0/29
D.10.188.31.0/28
E.10.188.31.0/25

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2.單項(xiàng)選擇題下列哪項(xiàng)關(guān)于Cisco Catalyst交換機(jī)VLAN操作是正確的？（）

A.當(dāng)從一個(gè)802.1Q中繼收到一個(gè)包時(shí)，VLAN ID可以從源MAC地址表確定
B.未知單播幀被重新傳輸只對(duì)屬于同一VLAN的端口
C.交換機(jī)之間的端口應(yīng)該在接入模式被配置為使得VLAN可以橫跨端口跨越
D.廣播和多播幀被重發(fā)到在不同的VLAN配置的端口

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3.多項(xiàng)選擇題 如下圖，對(duì)于圖中拓?fù)渲衯lan之間路由，那兩個(gè)選項(xiàng)是正確的？（）

A.主機(jī)E和主機(jī)F使用相同的IP網(wǎng)關(guān)地址
B.Router1和交換機(jī)2應(yīng)通過交叉線進(jìn)行連接
C.Router1上不會(huì)在主機(jī)A和主機(jī)D之間的通信中發(fā)揮作用
D.在Router1在f0/0接口必須與子接口進(jìn)行配置
E.Router1上需要更多的LAN接口，以適應(yīng)顯示在展示的VLAN
F.在Router1和交換機(jī)2的trunk端口f0/0接口必須使用相同的封裝類型進(jìn)行配置

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4.單項(xiàng)選擇題Which cisco ios command can help to determine the timing of various debug events,relative to each other, when you are debugging a complicated router issue?（）

A.service timestamps debug datetime msec
B.show clock detail
C.clock calendar-valid
D.service timestamps log datetime msec

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5.單項(xiàng)選擇題交換機(jī)上默認(rèn)那些是可以修改和移動(dòng)的vlan？（）

A. 2 through 1001
B. 1 through 1001
C. 1 through 1002
D. 2 through 1005

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