單項選擇題Which command is used to display the collection of OSPF link states?()

A.show ip ospf lsa database
B.show ip ospf link-state
C.show ip ospf neighbors
D.show ip ospf database


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()

A.show ip access-list
B.show access-list
C.list ip interface
D.show interface
E.show ip interface

2.多項選擇題

如圖,如果所有的鏈接都運(yùn)行在相同的帶寬,哪些端口會被STP指定的端口?()

A. Switch A - Fa0/0
B. Switch A - Fa0/1
C. Switch B - Fa0/0
D. Switch B - Fa0/1
E. Switch C - Fa0/0
F. Switch C - Fa0/1

3.單項選擇題Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?()

A.the switch with the lowest MAC address
B.the switch with the higest MAC address
C.the switch witch the higest IP address
D.the switch with the lowest IP address

4.單項選擇題What is the purpose of the cisco Vlan Trunking protocol?()

A.to provide a mechanism to dynamically assign vlan membership to switch ports
B.to allow traffic to be carried from multiple vlans over a single link between switches
C.to allow native vlan information to be carried over a trunk link
D.to provide a mechanism to manually assign vlan membership to switch ports
E.to allow for managing the additions,deletions,and changes of vlans between switchs

5.多項選擇題802.1Q協(xié)議的特點是什么?()

A.它是一個2層的消息協(xié)議,它保證通過網(wǎng)絡(luò)的VLAN配置
B.它包括一個8比特字段指定的幀的優(yōu)先級
C.它是專門用于標(biāo)記的VLAN幀和下交換網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)的變化劑量不能滿足網(wǎng)絡(luò)的重新收斂
D.它修改802.3幀報頭,并且因此需要在FCS重新計算
E.它是一種能夠攜帶未標(biāo)記的幀的中繼協(xié)議

6.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

8.單項選擇題下列哪項關(guān)于Cisco Catalyst交換機(jī)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(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

9.多項選擇題

如下圖,對于圖中拓?fù)渲衯lan之間路由,那兩個選項是正確的?()

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

10.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

最新試題

要將數(shù)據(jù)包發(fā)送到遠(yuǎn)程網(wǎng)絡(luò),應(yīng)使用哪種設(shè)備?()

題型:單項選擇題

請參見圖示。某用戶想要查看當(dāng)前的配置。圖中所示為ipconfig/all 命令的輸出。從此輸出可以得到哪三項結(jié)論?()

題型:多項選擇題

何時必須使用clock rate 命令配置路由器串行接口?()

題型:單項選擇題

請參見圖示。網(wǎng)絡(luò)中的所有設(shè)備均使用默認(rèn)配置。此拓?fù)渲写嬖诙嗌賯€廣播域?()

題型:單項選擇題

請參見圖示。電纜1和電纜2分別按照特定的物理層要求接線。哪三個網(wǎng)段使用電纜2?()

題型:多項選擇題

請參見圖示。哪種邏輯拓?fù)涫菍D示網(wǎng)絡(luò)的準(zhǔn)確描述?()

題型:單項選擇題

請參見圖示。RouterB 已經(jīng)過正確配置。RouterA 的以太網(wǎng)接口Fa0/0已使用如圖所示的命令進(jìn)行配置。但是,從RouterA 的Fa0/0接口無法成功ping 通RouterB 的Fa0/0接口。應(yīng)在RouterA 上采取什么措施來解決此問題?()

題型:單項選擇題

請參見圖示。從主機(jī)X 發(fā)出的到主機(jī)Y 的tracert 命令已成功。下列哪一項正確地反映了追蹤列表中顯示的中間網(wǎng)絡(luò)設(shè)備的順序?()

題型:單項選擇題

OSI 模型的哪兩項功能在第2層實現(xiàn)?()

題型:多項選擇題

請參見圖示。對于從主機(jī)A 向Web 服務(wù)器發(fā)出的網(wǎng)頁請求,正確的目的套接字?jǐn)?shù)字是什么?()

題型:單項選擇題