A.BackboneFast
B.UplinkFast
C.Root Guard
D.BPDU Guard
E.BPDU Filter
您可能感興趣的試卷
你可能感興趣的試題
A.The MAC address of the NIC in Host 1
B.The MAC address of the NIC in server 1
C.The MAC address of the Fa0/0 interface of router R1
D.The MAC address of the s0/0/0 interface of the router R2
A.Create an additional ACL to block the access to VLAN 1.
B.Move the management VLAN to something other than default.
C.Move all ports to another VLAN and deactivate the default VLAN.
D.Limit the access in the switch using port security configuration.
E.Use static VLAN in trunks and access ports to restrict connections.
F.Shutdown all unused ports in the Catalyst switch.
Your boss is learning a CCNA training course,refer to the exhibit.The access list has been configured on the S0/0 interface of router RTB in the outbound direction.Which two packets,if routed to the interface,will be denied?()
access-list 101 denytcp192.168.15.320.0.0.15any eq telnet
access-list 101 permitip any any
A.source ip address:192.168.15.5;destination port: 21
B.source ip address:,192.168.15.37 destination port: 21
C.source ip address:,192.168.15.41 destination port: 21
D.source ip address:,192.168.15.36 destination port: 23
E.source ip address:192.168.15.46;destination port: 23
F.source ip address:,192.168.15.49 destination port: 23
A.Host 1 addresses the frames to the MAC address of router R1
B.Host 1 looks in its ARP cache for the MAC address of router R1
C.Host 1 addresses the frames to the MAC address of web server 2
D.Host 1 sends the packets to router R1 to be forwarded to web server 2
E.Host 1 sends a broadcast ARP request to obtain the MAC address of webserver2
A.reflexive
B.extended
C.standard
D.dynamic
最新試題
下列哪些是私有IP 地址的地址范圍?()
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請參見圖示。主機(jī)A 嘗試與主機(jī)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(shù)據(jù)包。捕獲該幀時,它的源MAC 地址是什么?()
OSI 模型的哪兩項(xiàng)功能在第2層實(shí)現(xiàn)?()
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)A 和B 無法互相通信。此問題的原因是什么?()
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請參見圖示。電纜1和電纜2分別按照特定的物理層要求接線。哪三個網(wǎng)段使用電纜2?()