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.
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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?fù)浣Y(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
A.Configure port Fa0/1 to accept connections only from the static IP address of the server.
B.Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.
C.Configure the MAC address of the server as a static entry associated with port Fa0/1.
D.Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
E.Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.
F.Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.
A.multicast
B.broadcast
C.allcast
D.podcast
E.anycast
A.這是一個10Mb/s的交換端口
B.這是一個100Mb/s的交換端口
C.這是一個工作在半雙工模式下的以太口
D.這是一個工作在全雙工模式下的以太口
E.這是一個PC機上網(wǎng)卡上的一個接口
A.10 Mbps
B.11 Mbps
C.54 Mbps
D.100 Mbps
根據(jù)下圖,假設(shè)所有路由器接口都配置正確且正常工作,假設(shè)R2上OSPF配置正確,配置在R1上默認(rèn)路由會怎么影響R2的工作?()
A.任何到達(dá)一個和路由器R1非直連的網(wǎng)絡(luò)的數(shù)據(jù)包都會被丟棄
B.任何到達(dá)一個和路由器R2非直連的網(wǎng)絡(luò)的數(shù)據(jù)包都會被丟棄
C.任何到達(dá)一個和路由器R2非直連的網(wǎng)絡(luò)的數(shù)據(jù)包都會即時被丟棄,因為R1上缺少網(wǎng)關(guān)
D.直連在R2上的網(wǎng)絡(luò)將不能夠和172.16.100.0,172.16.100.128,172.16.100.64這些子網(wǎng)通訊
E.任何目的地沒有在R2的路由表中的數(shù)據(jù)包,R2將會定向到R1,R1會發(fā)送哪個數(shù)據(jù)包到R2,這樣路由環(huán)路產(chǎn)生
A.spanning-tree mode rapid-pvst
B.spanning-tree uplinkfast
C.spanning-tree backbonefast
D.spanning-tree mode mst
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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?()
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