單項選擇題下列哪項關(guān)于Cisco Catalyst交換機VLAN操作是正確的?()

A.當(dāng)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(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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1.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(wǎng)關(guān)地址
B.Router1和交換機2應(yīng)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(yīng)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

2.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

3.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

4.單項選擇題Assuming the default switch configuration,which approach should you use to configure the extended vlan range(1006 through 4094) on a cisco catalyst 3750 series switch?()

A.Configure the switch to be in VTP client mode.
B.Configure the switch to be in VTP domaint mode.
C.Configure the switch to be in VTP transparent mode.
D.Configure the switch to be in VTPv2.

5.單項選擇題On which options are standard access list based?()

A.source address and subnet mask
B.destination address and wildcard mask
C.source address and wildcard mask
D.destination address and subnet mask