A.access-list 50 deny 192.168.1.1 0.0.0.255
B.access-list 110 permit ip any any
C.access-list 2500 deny tcp any host 192.168.1.1 eq 22
D.access-list 101 deny tcp any host 192.168.1.1
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A.ipv6 host
B.ipv6 unicast-routing
C.ipv6 local
D.ipv6 neighbor
A.For the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.
B.For the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.
C.Direct inter-vlan communication does not require OSPF
D.OSPF cannot be used if router-on-a-stick is configured on the router
A.multicast
B.broadcast
C.allcast
D.podcast
E.anycast
A.spanning-tree mode rapid-pvst
B.spanning-tree uplinkfast
C.spanning-tree backbonefast
D.spanning-tree mode mst
Refer to the exhibit.Two routers have just been configured by a new technician. All interfaces are up. However， the routers are not sharing their routing tables. What is the problem？（）
A.Split horizon is preventing Router2 from receiving routing information from Router1.
B.Router1 is configured for RIP version 2,and Router2 is configured for RIP version 1.
C.Router1 has an ACL that is blocking RIP version 2.
D.There is a physical connectivity problem between Router1 and Router2.
E.Router1 is using authentication and Router2 is not.
最新試題
請參見圖示。網(wǎng)絡(luò)中的所有設(shè)備均使用默認配置。此拓撲中需要多少個邏輯地址范圍？（）
請參見圖示。一臺路由器（其路由表如圖所示）收到發(fā)往192.168.1.4的數(shù)據(jù)包。路由器將如何處理該數(shù)據(jù)包？（）
請參見圖示。主機X 和主機Y 與本地網(wǎng)絡(luò)的通信受到限制。此問題的原因是什么？（）
請參見圖示。主機A 正在訪問多臺服務(wù)器。結(jié)合使用什么端口號和地址即可唯一識別特定服務(wù)器上運行的特定進程？（）
請參見圖示。在網(wǎng)絡(luò)中，PC1向PC2發(fā)送了一條消息。PC2收到的幀如圖所示。該幀中的哪一信息確定了正確的目的應(yīng)用程序？（）
OSI 模型的哪兩項功能在第2層實現(xiàn)？（）
在配置路由器時，網(wǎng)絡(luò)技術(shù)人員想要命名路由器。輸入hostname 命令后，技術(shù)人員會看到下列哪一項提示？（）
請參見圖示。圖中所示路由表所屬的PC 已正確配置。IP 地址192.168.1.254屬于哪一個網(wǎng)絡(luò)設(shè)備或接口？（）
OSI 哪一層可提供有序的數(shù)據(jù)重構(gòu)服務(wù)？（）
傳輸層如何讓主機能同時針對不同應(yīng)用程序維護多個通信流？（）