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
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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
A.IR
B.DSSS
C.FHSS
D.DSSS and FHSS
E.IR,F(xiàn)HSS,and DSSS
A.permit all packets matching the first three octets of the source address to all destinations
B.permit all packets matching the last octet of the destination address and accept all source addresses
C.permit all packets from the third subnet of the network address to all destinations
D.permit all packets matching the host bits in the source address to all destinations
E.permit all packets to destinations matching the first three octets in the destination address
A.RIPng
B.OSPFv3
C.static
D.IS-ISfor IPv6
最新試題
請(qǐng)參見(jiàn)圖示。從主機(jī)X 發(fā)出的到主機(jī)Y 的tracert 命令已成功。下列哪一項(xiàng)正確地反映了追蹤列表中顯示的中間網(wǎng)絡(luò)設(shè)備的順序?()
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?()
請(qǐng)參見(jiàn)圖示。網(wǎng)絡(luò)中的所有設(shè)備均使用默認(rèn)配置。此拓?fù)渲行枰嗌賯€(gè)邏輯地址范圍?()
請(qǐng)參見(jiàn)圖示。當(dāng)計(jì)算機(jī)A 向計(jì)算機(jī)D 發(fā)送幀時(shí),哪些計(jì)算機(jī)會(huì)接收該幀?()
請(qǐng)參見(jiàn)圖示。主機(jī)A 正在訪問(wèn)多臺(tái)服務(wù)器。結(jié)合使用什么端口號(hào)和地址即可唯一識(shí)別特定服務(wù)器上運(yùn)行的特定進(jìn)程?()
請(qǐng)參見(jiàn)圖示。主機(jī)A 和B 無(wú)法互相通信。此問(wèn)題的原因是什么?()
路由器使用哪一項(xiàng)信息來(lái)確定源主機(jī)和目的主機(jī)之間的路徑?()
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。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?()
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?()