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.
A.24
B.4
C.8
D.16
A.switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1
B.switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1
C.switch(config-if)#switchport mode access switch(config-if)#switchport port-security maximum 1
D.switch(config-if)#switchport mode access switch(config-if)#switchport port-security mac-address 1
Refer to the exhibit.The user at Workstation B reports that Server A cannot be reached.What is
preventing Workstation B from reaching Server A？（）
A.The IP address for Server A is a broadcast address.
B.The IP address for Workstation B is a subnet address.
C.The gateway for Workstation B is not on the same subnet.
D.The gateway for Server A is not on the same subnet.
A.The switchport belongs only to VLAN 2
B.Interface fa0/0 will be in both VLAN 1 (by default) and VLAN 2
C.The exhibit shows interface fa0/0 to be dynamically mapped to VLAN 2
D.A network host can be connected to this interface
What is the under lying cause of this problem？（）
A. A remote physical layer problem exists.
B. The host NIC is not functioning.
C. TCP/IP has not been correctly installed on the host.
D. A local physical layer problem exists.
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