A.A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure
B.Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size.
C.A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
D.Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunks
E.A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
F.Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.
G. VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.
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哪個目的地址將被用于主機A發(fā)送數據到主機C？（）
A.交換機1的IP地址
B.交換機1的MAC地址
C.主機C的IP地址
D.主機C的MAC地址
E.路由器的E0接口的IP地址
F.路由器的E0接口的MAC地址
A.應用
B.網絡
C.傳輸
A.alternate
B.backup
C.designated
D.disabled
E.root
A.微分割減小了網絡上的沖突次數。
B.如果交換機收到一個幀一個未知的目的地，它使用ARP解析地址。
C.生成樹協(xié)議允許交換機自動共享VLAN信息。
D.在一個功能正常的網絡冗余的交換路徑，每個交換環(huán)節(jié)將包含其轉發(fā)狀態(tài)的所有端口一個根橋。在廣播域中所有其它交換機將只有一個根端口。
E.建立的VLAN增加廣播域的數量。
F.配置有VLAN的交換機使基于第2層和第3層地址信息轉發(fā)決策。
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.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以太網VLAN交換機，結果會發(fā)生什么？（）
A.沖突域的數量會減少。
B.沖突域的數量將增加。
C.廣播域的數量將保持不變。
D.沖突域的數量將保持不變。
E.廣播域的數量將增加。
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A與服務器進行通信。什么將會從服務器接收到主機A的幀的源MAC地址？（）
A.服務器的網絡接口的MAC地址
B.主機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的網關的mac。）
最新試題
在Cisco IOS 設備中，啟動配置文件存儲于何處？（）
請參見圖示。從主機X 發(fā)出的到主機Y 的tracert 命令已成功。下列哪一項正確地反映了追蹤列表中顯示的中間網絡設備的順序？（）
請參見圖示。對于從主機A 向Web 服務器發(fā)出的網頁請求，正確的目的套接字數字是什么？（）
請參見圖示。網絡中的所有設備均使用默認配置。此拓撲中存在多少個廣播域？（）
請參見圖示。主機A 嘗試與主機C 建立TCP/IP 會話。在嘗試期間，路由器Y 的FastEthernet 接口fa0/1捕獲到一個幀。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的數據包。捕獲該幀時，它的源MAC 地址是什么？（）
請參見圖示。網絡中的所有設備均使用默認配置。此拓撲中需要多少個邏輯地址范圍？（）
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的數據包。路由器將如何處理該數據包？（）
何時必須使用clock rate 命令配置路由器串行接口？（）
請參見圖示。網絡中的主機A 正在向主機B 發(fā)送數據段。有關所交換的數據段的流量控制如圖所示。下列關于此通信的陳述，哪兩項是正確的？（）
請參見圖示。在網絡中，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用程序？（）