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.
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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
A.they offer simpler management in large internetworks.
B.you can control logging messages.
C.they allow packets to be filtered based on upper-layer session information.
D.you can set a time-based security policy.
E.they provide a level of security against spoofing.
F.they are used to authenticate individual users
Refer to the exhibit.Which two statements are true of the interfaces on switch1?()
A.A hub is connected directly to FastEthernet0/5
B.FastEthernet0/1 is configured as a trunk link.
C.FastEthernet0/5 has statically assigned mac address
D.Interface FastEthernet0/2 has been disable.
E.Multiple devices are connected directly to FastEthernet0/1.
F.FastEthernet0/1 is connected to a host with multiple network interface cards.
最新試題
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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屬于哪一個網(wǎng)絡(luò)設(shè)備或接口?()
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(luò)設(shè)備的順序?()
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請參見圖示。某用戶想要查看當(dāng)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(jié)論?()
路由器使用哪一項信息來確定源主機和目的主機之間的路徑?()
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