A.15 seconds
B.30 seconds
C.180 seconds
D.240 seconds
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A.It provides dynamic neighbor discovery.
B.It detects unreachable neighbors in 90 second intervals.
C.It maintains neighbor relationships.
D.It negotiates correctness parameters between neighboring interfaces.
E.Ituses timers to elect the router with the fastest links as the designated router.
F.It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.
A.hub
B.router
C.switch
D.STP
E.subinterfaces
F.VLAN
A.The PC has connectivity with a local host.
B.The PC has connectivity with a Layer 3 device.
C.The PC has a default gateway correctly configured
D.The PC has connectivity up to Layer 5 of the OSI model
E.The PC has the TCP/IP protocol stack correctly installed.
根據(jù)下圖顯示的拓撲結(jié)構(gòu)和路由器配置,一個在該LAN上的主機正在通過INTERNET訪問一個FTP服務(wù)器。下列地址中哪個可以作為路由器發(fā)送到該目的服務(wù)器的數(shù)據(jù)包的源地?()
A.10.10.0.1
B.10.10.0.2
C.199.99.9.33
D.199.99.9.57
E.200.2.2.17
F.200.2.2.18
A.by encrypting all passwords passing through the router
B.by encrypting passwords in the plain text configuration file
C.by requiring entry of encrypted passwords for access to the device
D.by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E.by automatically suggesting encrypted passwords for use in configuring the router
最新試題
請參見圖示。一臺主機正使用NAT 連接到Internet。下列哪三項IP 地址可實現(xiàn)此連接?()
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?()
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?()
路由器使用哪一項信息來確定源主機和目的主機之間的路徑?()
請參見圖示。已啟用路由器的NAT 功能供PC 訪問Internet??梢詾槁酚善鹘涌赟0/0/0分配下列哪一個IP 地址?()
請參見圖示。下列哪組設(shè)備僅包含中間設(shè)備?()
請參見圖示。主機A 和B 無法互相通信。此問題的原因是什么?()
請參見圖示。網(wǎng)絡(luò)中的主機A 正在向主機B 發(fā)送數(shù)據(jù)段。有關(guān)所交換的數(shù)據(jù)段的流量控制如圖所示。下列關(guān)于此通信的陳述,哪兩項是正確的?()
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。對于從主機A 向Web 服務(wù)器發(fā)出的網(wǎng)頁請求,正確的目的套接字數(shù)字是什么?()