根據(jù)下圖,假設路由器已經(jīng)配置了默認配置,那么這個接口是()。
A.Ethernet
B.Fast Ethernet
C.Gigabit Ethernet
D.asynchronous serial
E.synchronous serial
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A.to confine network instability to single areas of the network.
B.to reduce the complexity of router configuration
C.to speed up convergence
D.to lower costs by replacing routers with distribution layer switches
E.to decrease latency by increasing bandwidth
F.to reduce routing overhead
A TCP/IP Transfer is diagrammed in the exhibit.A window size of three has been negotiated for this transfer. Which message will be returned from the receiver to the sender as part of this TCP/IP transfer?()
A.Send ACK 1-3
B.Send ACK 3
C.Send ACK 4
D.Send ACK 4-6
E.Send ACK 6
F.Send ACK 7
Host1正在試圖和Host2聯(lián)系。RouterC的e0接口是down的,以下選項正確的是?()
A.RouterC會使用ICMP通知Host1“Host2無法到達”
B.RouterC會使用ICMP通知Host1“Host1無法到達”
C.RouterC會使用ICMP通知Host1,RouterA和RouterB“Host2無法到達”
D.RouterC會發(fā)送一個“DestinationUnreachable”的消息類型
E.RouterC會發(fā)送一個“RouterSelection”的消息類型
F.RouterC會發(fā)送一個“SourceQuench”的消息類型
A.8 subnets, 31 hosts
B.8 subnets, 32 hosts
C.16 subnets, 30 hosts
D.16 subnets, 32 hosts
E.A Class B address can't be subnetted into the fourth octet.
As a network administrator,you have been instructed to prevent all traffic or iginating on the LAN from entering the R2 router.Which the following command would implement the access list on the interface of theR2 router?()
A.access-list 101 in
B.access-list 101 out
C.ipaccess-group 101 in
D.ipaccess-group 101 out
最新試題
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。下列哪組設備僅包含中間設備?()
傳輸層如何讓主機能同時針對不同應用程序維護多個通信流?()
請參見圖示。已啟用路由器的NAT 功能供PC 訪問Internet??梢詾槁酚善鹘涌赟0/0/0分配下列哪一個IP 地址?()
請參見圖示。網(wǎng)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?()
下列哪些是私有IP 地址的地址范圍?()
在Cisco IOS 設備中,啟動配置文件存儲于何處?()
請參見圖示。RouterB 已經(jīng)過正確配置。RouterA 的以太網(wǎng)接口Fa0/0已使用如圖所示的命令進行配置。但是,從RouterA 的Fa0/0接口無法成功ping 通RouterB 的Fa0/0接口。應在RouterA 上采取什么措施來解決此問題?()
何時必須使用clock rate 命令配置路由器串行接口?()
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(wǎng)絡設備的順序?()