多項選擇題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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2.單項選擇題下列哪項關于Cisco Catalyst交換機VLAN操作是正確的?()

A.當從一個802.1Q中繼收到一個包時,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屬于同一VLAN的端口
C.交換機之間的端口應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

3.多項選擇題

如下圖,對于圖中拓撲中vlan之間路由,那兩個選項是正確的?()

A.主機E和主機F使用相同的IP網關地址
B.Router1和交換機2應通過交叉線進行連接
C.Router1上不會在主機A和主機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行配置
E.Router1上需要更多的LAN接口,以適應顯示在展示的VLAN
F.在Router1和交換機2的trunk端口f0/0接口必須使用相同的封裝類型進行配置

4.單項選擇題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

5.單項選擇題交換機上默認那些是可以修改和移動的vlan?()

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