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多选题
The Company security administrator wants to prevent VLAN hopping on the network. What is one method that can be used to do this？ （）
A
Attacks are prevented by utilizing the port-security feature.
B
An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.
C
Configuring an interface with the switchport mode dynamic command will prevent VLAN hopping.
D
An end station attempts to redirect VLAN traffic by transmitting Ethernet frames in the 802.1q encapsulation.
E
Configuring an interface with the switchport mode access command will prevent VLAN hopping.
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更多 “多选题The Company security administrator wants to prevent VLAN hopping on the network. What is one method that can be used to do this？ （）AAttacks are prevented by utilizing the port-security feature.BAn end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.CConfiguring an interface with the switchport mode dynamic command will prevent VLAN hopping.DAn end station attempts to redirect VLAN traffic by transmitting Ethernet frames in the 802.1q encapsulation.EConfiguring an interface with the switchport mode access command will prevent VLAN hopping.” 相关考题
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A network administrator needs to configure port security on a switch.which two statements are true？（）A、The network administrator can apply port security to dynamic access portsB、The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.C、The sticky learning feature allows the addition of dynamically learned addresses to the runningconfiguration.D、The network administrator can apply port security to EtherChannels.E、When dynamic mac address learning is enabled on an interface，the switch can learn new addresses，up to the maximum defined.
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The Company security administrator is concerned with VLAN hopping based attacks. Which two statements about these attacks are true？ （）A、 Attacks are prevented by utilizing the port-security feature.B、 An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.C、 Configuring an interface with the switchport mode dynamic command will prevent VLAN hopping.D、 An end station attempts to redirect VLAN traffic by transmitting Ethernet frames in the 802.1q encapsulation.E、 Configuring an interface with the "switchport mode access" command will prevent VLAN hopping.
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The Company security administrator is concerned with layer 2 network attacks. Which two statements about these attacks are true？ （）A、 ARP spoofing attacks are attempts to redirect traffic to an attacking host by encapsulating a false 802.1Q header on a frame and causing traffic to be delivered to the wrong VLAN.B、 ARP spoofing attacks are attempts to redirect traffic to an attacking host by sending an ARP message with a forged identity to a transmitting host.C、 MAC address flooding is an attempt to force a switch to send all information out every port byoverloading the MAC address table.D、 ARP spoofing attacks are attempts to redirect traffic to an attacking host by sending an ARP packet that contains the forged address of the next hop router.E、 MAC address flooding is an attempt to redirect traffic to a single port by associating that port with all MAC addresses in the VLAN.
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You want to enhance the security within the LAN and prevent VLAN hopping. What two steps can be taken to help prevent this？（）A、Enable BPD guardB、Disable CDP on ports where it is not necessaryC、Place unused ports in a common unrouted VLAND、Prevent automatic trunk configurationE、Implement port security
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You work as the enterprise exchange administrator at Company.com.The Company.com network consists of a single Active Directory domain named Company.com.Company.com has an Exchange Server 2010 organization.A new Company.com security policy prohibits the employees to send certain words between them.What should you do？（）A、The best option is to create an Outlook Protection Rule to comply with the Company.com security policy.B、The best option is to set up a content filtering feature to comply with the Company.com security policy.C、The best option is to create a transport rule to comply with the Company.com security policy.D、The best option is to set up a sender reputation feature to comply with the Company.com security policy.
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单选题An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed?（）A
Multilayer switchB
CSUC
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多选题A hacker on the Company network is attempting to hop onto a different VLAN. Which two statements about VLAN hopping are true？ （）AAn end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.BConfiguring an interface with the switchport mode dynamic command will prevent VLAN hopping.CAttacks are prevented by utilizing the port-security feature.DConfiguring an interface with the switchport mode access command will prevent VLAN hopping.EAn end station attempts to redirect VLAN traffic by broadcasting multiple ARP requests.
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WEP encryptionB
Channel rotationC
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单选题You work as the enterprise exchange administrator at Company.com.The Company.com network consists of a single Active Directory domain named Company.com.Company.com has an Exchange Server 2010 organization.A new Company.com security policy prohibits the employees to send certain words between them.What should you do？（）A
The best option is to create an Outlook Protection Rule to comply with the Company.com security policy.B
The best option is to set up a content filtering feature to comply with the Company.com security policy.C
The best option is to create a transport rule to comply with the Company.com security policy.D
The best option is to set up a sender reputation feature to comply with the Company.com security policy.
考题
单选题The Company security administrator wants to prevent DHCP spoofing. Which statement is true about DHCP spoofing operation？（）A
DHCP spoofing and SPAN cannot be used on the same port of a switch.B
To prevent a DHCP spoofing， the DHCP server must create a static ARP entry that cannot be updated by a dynamic ARP packet.C
To prevent a DHCP spoofing， the switch must have DHCP server services disabled and a static entry pointing towards the DHCP server.D
DHCP spoofing can be prevented by placing all unused ports in an unused VLAN.E
None of the other alternatives apply.
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多选题The Company administrator has issue the "show vlan id 5" command. What will this command display？ （）APorts in VLAN 5BUtilizationCVLAN information on port 0/5DFiltersEMTU and type
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单选题A network administrator wants to control which user hosts can access the network based on their MAC address. What will prevent workstations with unauthorized MAC addresses from connecting to the network through a switch?（）A
BPDUB
Port securityC
RSTPD
STPE
VTPF
Blocking mode
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多选题You want to enhance the security within the LAN and prevent VLAN hopping. What two steps can be taken to help prevent this？（）AEnable BPD guardBDisable CDP on ports where it is not necessaryCPlace unused ports in a common unrouted VLANDPrevent automatic trunk configurationEImplement port security
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单选题For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists？（）A
IPB
ICMPC
TCPD
UDP
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单选题A technician wants to prevent employees from installing software on company computers. In which of the following groups should the employee accounts be placed?（）rsA
Power UsersB
UsersC
GuestsD
Administrato
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