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.The number of FECN packets that are received by the router
B.The number of BECN packets that are received by the router
C.The ip address of the local router
D.The value of the local DLCI
E.The status of the PVC that is configured on the router
請參見圖示，如果集線器分別被替換為配置了一個(gè)以太網(wǎng)VLAN交換機(jī)，結(jié)果會(huì)發(fā)生什么？（）
A.沖突域的數(shù)量會(huì)減少。
B.沖突域的數(shù)量將增加。
C.廣播域的數(shù)量將保持不變。
D.沖突域的數(shù)量將保持不變。
E.廣播域的數(shù)量將增加。
A.if a switch that is configured to operate in client mode cannot access a VTP server,then the switch reverts to transparent mode.
B.The local vlan configuration is updated only when an update that has a higher configuration revision number is received.
C.Vtp advertisements are not forwarded to neighboring switches that are configured in vtp transparent mode.
D.When switches in vtp client mode are rebooted,they send a vtp advertisement request to the vtp servers.
E.Vtp client is the default vtp mode
F.On switches that are configured to operate in client mode ,vlans can be created,deleted,or renamed locally
Refer to the exhibit.Which three statements correctly describe Network Device A？（）
A.With a network wide mask of 255.255.255.128， each interface does not require an IP address.
B.With a network wide mask of 255.255.255.128， each interface does require an IP address on a unique IP subnet.
C.With a network wide mask of 255.255.255.0， must be a Layer 2 device for the PCs to communicate with each other.
D.With a network wide mask of 255.255.255.0， must be a Layer 3 device for the PCs to communicate with each other.
E.With a network wide mask of 255.255.254.0， each interface does not require an IP address.
如圖所示。主機(jī)A與服務(wù)器進(jìn)行通信。什么將會(huì)從服務(wù)器接收到主機(jī)A的幀的源MAC地址？（）
A.服務(wù)器的網(wǎng)絡(luò)接口的MAC地址
B.主機(jī)A的MAC地址
C.路由器接口e1 MAC地址
D.路由器接口e0 MAC地址（host A收到server的幀的源mac地址是host A的網(wǎng)關(guān)的mac。）
最新試題
請參見圖示。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？（）
OSI 哪一層可提供有序的數(shù)據(jù)重構(gòu)服務(wù)？（）
請參見圖示。圖中所示路由表所屬的PC 已正確配置。IP 地址192.168.1.254屬于哪一個(gè)網(wǎng)絡(luò)設(shè)備或接口？（）
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。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？（）
在路由器上使用Router#copy running-config startup-config 命令會(huì)產(chǎn)生什么效果？（）
請參見圖示。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？（）
請參見圖示。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？（）
以下哪兩種介質(zhì)可提供高達(dá)1Gb/s 的帶寬？（）
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？（）