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
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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(gè)10Mb/s的交換端口
B.這是一個(gè)100Mb/s的交換端口
C.這是一個(gè)工作在半雙工模式下的以太口
D.這是一個(gè)工作在全雙工模式下的以太口
E.這是一個(gè)PC機(jī)上網(wǎng)卡上的一個(gè)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(huì)怎么影響R2的工作？（）
A.任何到達(dá)一個(gè)和路由器R1非直連的網(wǎng)絡(luò)的數(shù)據(jù)包都會(huì)被丟棄
B.任何到達(dá)一個(gè)和路由器R2非直連的網(wǎng)絡(luò)的數(shù)據(jù)包都會(huì)被丟棄
C.任何到達(dá)一個(gè)和路由器R2非直連的網(wǎng)絡(luò)的數(shù)據(jù)包都會(huì)即時(shí)被丟棄，因?yàn)镽1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(méi)有在R2的路由表中的數(shù)據(jù)包，R2將會(huì)定向到R1，R1會(huì)發(fā)送哪個(gè)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
A.to prevent unauthorized Telnet access to a switch port
B.to limit the number of Layer 2 broadcasts on a particular switch port
C.to prevent unauthorized hosts from accessing the LAN
D.to protect the IP and MAC address of the switch and associated ports
E.to block unauthorized access to the switch management interfaces over common TCP ports
A.a switch with a trunk link that is configured between the switches
B.a router with an IP address on the physical interface that is connected to the switch
C.a switch with an access link that is configured between the switches
D.a router with subinterfaces configured on the physical interface that is connected to the switch
A.Flash，TFTPserver，ROM
B.Flash，NVRAM，ROM
C.ROM，NVRAM，TFTPserver
D.NVRAM，TFTPserver，ROM
E.TFTPserver，F(xiàn)lash，NVRAM
根據(jù)下圖，Switch1剛剛完成重啟，并完成上電自檢。HostA發(fā)送它的第一個(gè)偵到HostC，交換機(jī)首先會(huì)對(duì)switching table做什么操作（）
A.Switch1會(huì)添加192.168.23.4到switchingtable
B.Switch1添加192.168.23.12到switchingtable
C.Switch1添加000A 8A47.E612到switchingtable
D.Switch1添加000B DB95.2EE9到switchingtable
最新試題
OSI 哪一層可提供有序的數(shù)據(jù)重構(gòu)服務(wù)？（）
請(qǐng)參見(jiàn)圖示。已啟用路由器的NAT 功能供PC 訪問(wèn)Internet。可以為路由器接口S0/0/0分配下列哪一個(gè)IP 地址？（）
請(qǐng)參見(jiàn)圖示。公司路由器由于故障被更換。更換路由器之后，Education 辦公室內(nèi)的主機(jī)C 和D 能夠相互ping 通，但是無(wú)法訪問(wèn)Accounts 辦公室內(nèi)的主機(jī)。此問(wèn)題的原因可能是什么？（）
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？（）
請(qǐng)參見(jiàn)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(xiàng)結(jié)論？（）
請(qǐng)參見(jiàn)圖示。哪種邏輯拓?fù)涫菍?duì)圖示網(wǎng)絡(luò)的準(zhǔn)確描述？（）
下列哪些是私有IP 地址的地址范圍？（）
PC 無(wú)法連接到任何遠(yuǎn)程網(wǎng)站，無(wú)法ping 通其默認(rèn)網(wǎng)關(guān)，也無(wú)法ping 通本地網(wǎng)段中工作正常的打印機(jī)。以下哪項(xiàng)操作可以確認(rèn)此PC 上的TCP/IP 協(xié)議棧是否工作正常？（）
請(qǐng)參見(jiàn)圖示。網(wǎng)絡(luò)技術(shù)人員試圖確定主機(jī)A 的正確IP 地址配置。以下哪一項(xiàng)是主機(jī)A 的有效配置？（）
在路由器上使用Router#copy running-config startup-config 命令會(huì)產(chǎn)生什么效果？（）