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.
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 ports
- B、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.
相关考题：
The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?A．To prevent unauthorized hosts from getting access to the LANB．To limit the number of Layer 2 broadcasts on a particular switch portC．To prevent unauthorized Telnet or SSH access to a switch portD．To prevent the IP and MAC address of the switch and associated portsE．None of the above
The Ezonexam network administrator wants to ensure that only a single web server can connect to pot Fa0/1 on a catalyst switch. The server is plugged into the switch's Fast Eth. 0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of this server is allowed by switch port Fa0/1? (Choose two)A．Configure port Fa0/1 to accept connections only from the static IP address of the serverB．Configure the MAC address of the server as a static entry associated with port Fa0/1C．Employ a proprietary connector type on Fa0/1 that is incomputable with other host connectorsD．Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the serverE．Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address
Why would a network administrator configure port security on a switch?() A. To prevent unauthorized Telnet access to a switch port.B. To limit the number of Layer 2 broadcasts on a particular switch port.C. To prevent unauthorized hosts from accessing the LAN.D. To protect the IP and MAC address of the switch and associated ports.E. To block unauthorized access to the switch management interfaces over common TCP ports.
A network administrator must configure 200 switch ports to accept traffic from only the currently attached host devices. What would be the most efficient way to configure MAC-level security on all these ports?（）A. Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address command.B. Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address command.C. Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them.D. Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security.
A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1?（）A. Configure port Fa0/1 to accept connections only from the static IP address of the server.B. Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.C. Configure the MAC address of the server as a static entry associated with port Fa0/1.D. Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.E. Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.F. Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.
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 running configuration.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.
Refer to the exhibit. A junior network administrator was given the task of configuring port security on SwitchA to allow only PC_A to access the switched network through port fa0/1. If any other device is detected, the port is to drop frames from this device. The administrator configured the interface and tested it with successful pings from PC_A to RouterA, and then observes the output from these two show commands.Which two of these changes are necessary for SwitchA to meet the requirements? （）A.Port security needs to be globally enabled.B.Port security needs to be enabled on the interface.C.Port security needs to be configured to shut down the interface in the event of a violation.D.Port security needs to be configured to allow only one learned MAC address.E.Port security interface counters need to be cleared before using the show command.F.The port security configuration needs to be saved to NVRAM before it can become active.
You are the network administrator of a small Layer 2 network with 50 users. Lately， users have been complaining that the network is very slow. While troubleshooting， you notice that the CAM table of your switch is full， although it supports up to 12，000 MAC addresses. How can you solve this issue and prevent it from happening in the future？（）A、Upgrade the switchesB、Configure BPDU guardC、Configure VLAN access listsD、Configure port securityE、Configure Dynamic ARP inspection
Why would a network administrator configure port security on a switch?（）A、to prevent unauthorized Telnet access to a switch portB、to limit the number of Layer 2 broadcasts on a particular switch portC、to prevent unauthorized hosts from accessing the LAND、to protect the IP and MAC address of the switch and associated portsE、to block unauthorized access to the switch management interfaces over common TCP ports
You are the network administrator of a small Layer 2 network with 50 users. Lately， users have beencomplaining that the network is very slow. While troubleshooting， you notice that the CAM table of yourswitch is full， although it supports up to 12， 000 MAC addresses. How can you solve this issue and preventit from happening in the future？（）A、Upgrade the switchesB、Configure BPDU guardC、Configure VLAN access listsD、Configure port securityE、Configure Dynamic ARP inspection
A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1 (Choose two.)（）。A、Configure port Fa0/1 to accept connections only from the static IP address of the server.B、Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.C、Configure the MAC address of the server as a static entry associated with port Fa0/1.D、Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.E、Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.F、Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.
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
The network security policy requires that only one host be permitted to attach dynamically to each switch interface. If that policy is violated, the interface should shut down. Which two commands must the network administrator configure on the 2950 Catalyst switch to meet this policy (Choose two.)（）。A、Switch1(config-if)# switchport port-security maximum 1B、Switch1(config)# mac-address-table secureC、Switch1(config)# access-list 10 permit ip hostD、Switch1(config-if)# switchport port-security violation shutdownE、Switch1(config-if)# ip access-group 10
A network administrator must configure 200 switch ports to accept traffic from only the currently attached host devices. What would be the most efficient way to configure MAC-level security on all these ports?（）A、Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address commandB、Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address commandC、Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to themD、Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security
The network security policy requires that only one host be permitted to attach dynamically to each switch interface. If that policy is violated, the interface should shut down. Which two commands must the network administrator configure on the 2950 Catalyst switch to meet this policy?（）A、TestKing1(config-if)# switchport port-security maximum 1B、TestKing1(config)# mac-address-table secureC、TestKing1(config)# access-list 10 permit ip hostD、TestKing1(config-if)# switchport port-security violation shutdownE、TestKing1(config-if)# ip access-group 10
You need to configure port security on switch R1. Which two statements are true about this technology？ （）A、 Port security can be configured for ports supporting VoIP.B、 With port security configured， four MAC addresses are allowed by default.C、 The network administrator must manually enter the MAC address for each device in order for the switch to allow connectivity.D、Withsecurity configured， only one MAC addresses is allowed by default. E、 Port security cannot be configured for ports supporting VoIP.
An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check？（）A、 Default gatewayB、 The ports on the switchC、 Port security on the servers switch portD、 Ethernet cable
An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?（）A、Default gatewayB、The ports on the switchC、Port security on the server's switch portD、Ethernet cable
An administrator needs to configure a server to restrict mail traffic to an application server for security reasons. Which of the following techniques can be used to manage this？（）A、 PATB、 ACLsC、 Subnet maskingD、 Port blocking
多选题A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1 (Choose two.)（）。AConfigure port Fa0/1 to accept connections only from the static IP address of the server.BEmploy a proprietary connector type on Fa0/1 that is incompatible with other host connectors.CConfigure the MAC address of the server as a static entry associated with port Fa0/1.DBind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.EConfigure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.FConfigure an access list on the switch to deny server traffic from entering any port other than Fa0/1.
单选题An administrator needs to configure a server to restrict mail traffic to an application server for security reasons. Which of the following techniques can be used to manage this？（）A PATB ACLsC Subnet maskingD Port blocking
多选题An administrator has purchased monitoring software that can be configured to alert administrators when hardware and applications are having issues. All devices are configured with SNMP， but the administrator wants to further secure the SNMP traffic. Which of the following settings would BEST provide additional monitoring security？（）ASetting up a custom community nameBConfiguring the network to block traffic on port 161CConfiguring the Windows Firewall to block port 161DSetting SNMP to read only on the devicesEInstalling new MIBs
单选题An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check？（）A Default gatewayB The ports on the switchC Port security on the servers switch portD Ethernet cable
多选题A network administrator needs to configure port security on a switch.which two statements are true?（）AThe network administrator can apply port security to dynamic access portsBThe network administrator can configure static secure or sticky secure mac addresses in the voice vlan.CThe sticky learning feature allows the addition of dynamically learned addresses to the running configuration.DThe network administrator can apply port security to EtherChannels.EWhen dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.
多选题You need to configure port security on switch R1. Which two statements are true about this technology？ （）APort security can be configured for ports supporting VoIP.BWith port security configured， four MAC addresses are allowed by default.CThe network administrator must manually enter the MAC address for each device in order for the switch to allow connectivity.DWithsecurity configured， only one MAC addresses is allowed by default.EPort security cannot be configured for ports supporting VoIP.
多选题Refer to the exhibit. A junior network administrator was given the task of configuring port security on SwitchA to allow only PC_A to access the switched network through port fa0/1. If any other device is detected, the port is to drop frames from this device. The administrator configured the interface and tested it with successful pings from PC_A to RouterA, and then observes the output from these two show commands.Which two of these changes are necessary for SwitchA to meet the requirements? （）APort security needs to be globally enabled.BPort security needs to be enabled on the interface.CPort security needs to be configured to shut down the interface in the event of a violation.DPort security needs to be configured to allow only one learned MAC address.EPort security interface counters need to be cleared before using the show command.FThe port security configuration needs to be saved to NVRAM before it can become active.
单选题Why would a network administrator configure port security on a switch?（）ATo prevent unauthorized Telnet access to a switch port.BTo limit the number of Layer 2 broadcasts on a particular switch port.CTo prevent unauthorized hosts from accessing the LAN.DTo protect the IP and MAC address of the switch and associated ports.ETo block unauthorized access to the switch management interfaces over common TCP ports.