A.在二層唯一確定一臺設備
B.是設備在不同的網(wǎng)絡中通信
C.區(qū)別二層和三層幀
D.確定設備的優(yōu)先級
E.是同一網(wǎng)絡的不同設備可以通信
F.當不知道遠程設備的物理地址時可以查詢
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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.
A.It checks the configuration register
B.It attempts to boot from a TFTP server
C.It loads the first image file in flash memory
D.It inspects the configuration file in NVRAM for boot instructions
A.ipv6 host
B.ipv6 unicast-routing
C.ipv6 local
D.ipv6 neighbor
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.
Refer to the exhibit.This command is executed on 2960Switch:
2960Switch(config)# mac-address-table static 0000.00aa.aaaa vlan 10 interface fa0/1
Which two of these statements correctly identify results of executing the command?()
A.Port security is implemented on the fa0/1 interface.
B.MAC address 0000.00aa.aaaa does not need to be learned by this switch.
C.Only MAC address 0000.00aa.aaaa can source frames on the fa0/1 segment.
D.Frames with a Layer 2 source address of 0000.00aa.aaaa will be forwarded out fa0/1.
E.MAC address 0000.00aa.aaaa will be listed in the MAC address table for interface fa0/1 only.
最新試題
請參見圖示。網(wǎng)絡技術人員試圖確定主機A 的正確IP 地址配置。以下哪一項是主機A 的有效配置?()
請參見圖示。下列哪組設備僅包含中間設備?()
請參見圖示。網(wǎng)絡中的主機A 正在向主機B 發(fā)送數(shù)據(jù)段。有關所交換的數(shù)據(jù)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?()
OSI 模型的哪兩項功能在第2層實現(xiàn)?()
請參見圖示。某用戶想要查看當前的配置。圖中所示為ipconfig/all 命令的輸出。從此輸出可以得到哪三項結論?()
請參見圖示。對于從主機A 向Web 服務器發(fā)出的網(wǎng)頁請求,正確的目的套接字數(shù)字是什么?()
請參見圖示。主機B 嘗試與主機C 建立TCP/IP 會話。在嘗試期間,San Francisco 器由器的FastEthernet 接口fa0/1捕獲到一個幀。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,它的目的MAC 地址是什么?()
請參見圖示。主機A 和B 無法互相通信。此問題的原因是什么?()
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?()
在路由器上使用Router#copy running-config startup-config 命令會產(chǎn)生什么效果?()