A.15 seconds
B.30 seconds
C.180 seconds
D.240 seconds
您可能感興趣的試卷
你可能感興趣的試題
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。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?()
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?()
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?()
要將數(shù)據(jù)包發(fā)送到遠程網(wǎng)絡(luò),應(yīng)使用哪種設(shè)備?()
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?()
下列哪些是私有IP 地址的地址范圍?()
OSI 模型的哪兩項功能在第2層實現(xiàn)?()
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。哪種邏輯拓撲是對圖示網(wǎng)絡(luò)的準確描述?()