多項(xiàng)選擇題Which two of these are characteristics of the 802.1Q protocol?()

A.it is a layer 2 messaging protocol which maintains vlan configurations across network.
B.it includes an 8-bit field which specifies the priority of a frame.
C.it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
D.it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
E.it is a trunking protocol capable of carring untagged frames.


您可能感興趣的試卷

你可能感興趣的試題

2.多項(xiàng)選擇題Which two of these statements regarding RSTP are correct? ()

A.RSTP cannot operate with PVST+.
B.RSTP defines new port roles.
C.RSTP defines no new port states.
D.RSTP is a proprietary implementation of IEEE 802.1D STP.
E.RSTP is compatible with the original IEEE 802.1D STP.

4.單項(xiàng)選擇題A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB.Later attempts to access NewSwitch using Telnet from SwitchA faileD.Which statement is true?()

A.Executing password recovery is required.
B.The virtual terminal lines are misconfigured.
C.Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D.Power cycle of NewSwitch will return it to a default configuration.

5.多項(xiàng)選擇題Which two data link layers are supported by cisco ios software for IPv6?()

A.PPP
B.FDDI
C.Frame Relay PVC
D.NBMA
E.Frame Relay SVC

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?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見(jiàn)圖示。主機(jī)B 嘗試與主機(jī)C 建立TCP/IP 會(huì)話。在嘗試期間,San Francisco 器由器的FastEthernet 接口fa0/1捕獲到一個(gè)幀。捕獲的幀中包含源IP 地址為10.10.1.2而目的IP 地址為10.31.1.20的數(shù)據(jù)包。捕獲該幀時(shí),它的目的MAC 地址是什么?()

題型:?jiǎn)雾?xiàng)選擇題

以下哪兩種介質(zhì)可提供高達(dá)1Gb/s 的帶寬?()

題型:多項(xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

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)渲写嬖诙嗌賯€(gè)廣播域?()

題型:?jiǎn)雾?xiàng)選擇題

OSI 哪一層可提供有序的數(shù)據(jù)重構(gòu)服務(wù)?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題