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.
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根據(jù)下圖顯示的拓?fù)浣Y(jié)構(gòu)和路由器配置，一個(gè)在該LAN上的主機(jī)正在通過(guò)INTERNET訪問(wèn)一個(gè)FTP服務(wù)器。下列地址中哪個(gè)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(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
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請(qǐng)參見(jiàn)圖示。電纜1和電纜2分別按照特定的物理層要求接線。哪三個(gè)網(wǎng)段使用電纜2？（）
在配置路由器時(shí)，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(huì)看到下列哪一項(xiàng)提示？（）
以下哪兩種介質(zhì)可提供高達(dá)1Gb/s 的帶寬？（）
OSI 模型的哪兩項(xiàng)功能在第2層實(shí)現(xiàn)？（）
請(qǐng)參見(jiàn)圖示。一臺(tái)主機(jī)正使用NAT 連接到Internet。下列哪三項(xiàng)IP 地址可實(shí)現(xiàn)此連接？（）
傳輸層如何讓主機(jī)能同時(shí)針對(duì)不同應(yīng)用程序維護(hù)多個(gè)通信流？（）
請(qǐng)參見(jiàn)圖示。主機(jī)A 嘗試與主機(jī)C 建立TCP/IP 會(huì)話。在嘗試期間，路由器Y 的FastEthernet 接口fa0/1捕獲到一個(gè)幀。捕獲的幀中包含源IP 地址為172.16.1.5而目的IP 地址為172.16.7.24的數(shù)據(jù)包。捕獲該幀時(shí)，它的源MAC 地址是什么？（）
在路由器上使用Router#copy running-config startup-config 命令會(huì)產(chǎn)生什么效果？（）
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。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？（）