A.hub
B.router
C.switch
D.STP
E.subinterfaces
F.VLAN
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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(jī)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(jī)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
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
最新試題
以下哪兩種介質(zhì)可提供高達(dá)1Gb/s 的帶寬?()
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。哪種邏輯拓?fù)涫菍D示網(wǎng)絡(luò)的準(zhǔn)確描述?()
請參見圖示。主機(jī)X 和主機(jī)Y 與本地網(wǎng)絡(luò)的通信受到限制。此問題的原因是什么?()
請參見圖示。當(dāng)計算機(jī)A 向計算機(jī)D 發(fā)送幀時,哪些計算機(jī)會接收該幀?()
請參見圖示。一臺主機(jī)正使用NAT 連接到Internet。下列哪三項IP 地址可實(shí)現(xiàn)此連接?()
請參見圖示。對于從主機(jī)A 向Web 服務(wù)器發(fā)出的網(wǎng)頁請求,正確的目的套接字?jǐn)?shù)字是什么?()
OSI 哪一層可提供有序的數(shù)據(jù)重構(gòu)服務(wù)?()
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?()
路由器使用哪一項信息來確定源主機(jī)和目的主機(jī)之間的路徑?()