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.
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 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.
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
A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back.What is causing the problem?（）A. The host needs to open the telnet port.B. The host needs a route for the translated address.C. The administrator must use a proxy-arp policy for the translated address.D. The administrator must use a security policy, which will allow communication between the zones.
An administrator is troubleshooting a communication issue between two computers on the sameLayer 2 switch.Which of the following is the BEST way to determine if the switch is causing the issue?() A. Setup an ACL that allows and logs all IP traffic between the two computersB. Configure a spanning tree to check for a loopC. Setup a span port on the switch to watch for CRC errorsD. Connect both computers using a crossover cable
Which two statements about the use of VLANs to segment a network are true?() A. VLANs increase the size of collision domains.B. VLANs allow logical grouping of users by function.C. VLANs simplify switch administration.D. VLANs enhance network security.
A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router.How should the network administrator configure the serial interface of the main office router to make the connection?（）A.B.C.D.
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.
Which two statements about the wireless control system （WCS） are true？（）A、the Cisco WCS is designed to support 1500 Cisco WLAN controllers and up to 50 APsB、the Cisco WCS runs on a dedicated network device such as the Cisco 2700 network applianceC、the Cisco WCS runs on various windows and Linux platformsD、the Cisco WCS screen displays four main menu sheet tab consisting of Monitor， Configure， Security， and AlamE、the Cisco WCS uses the SNMP protocol to communicate with the controllers
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 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.
An administrator is troubleshooting a communication issue between two computers on the same Layer 2 switch. Which of the following is the BEST way to determine if the switch is causing the issue?（）A、Setup an ACL that allows and logs all IP traffic between the two computersB、Configure a spanning tree to check for a loopC、Setup a span port on the switch to watch for CRC errorsD、Connect both computers using a crossover cable
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 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.
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.
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.
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.
Which two statements about the use of VLANs to segment a network are true? （）A、VLANs increase the size of collision domains.B、VLANs allow logical grouping of users by function.C、VLANs simplify switch administration.D、VLANs enhance network security.
A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?（）A、CAT3 cableB、Serial cableC、Crossover cableD、Rollover 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
You are the network administrator for your company. A Windows Server 2003 computer named Router11 is used to connect the network to the Internet. You find out that some computers on the network are infected with a worm， which occasionally sends out traffic to various hosts on the Internet. This traffic always uses a certain source TCP port number.You need to identify which computers are infected with the worm. You need to configure a solution on Router11 that will perform the following two tasks： Detect and identify traffic that is sent by the worm. Immediately send a notification to a network administrator that the infected computer needs to be repaired. What should you do？（）A、Configure a WMI event trigger.B、Configure a Network Monitor capture filter.C、Configure a Network Monitor trigger.D、Configure a System Monitor alert.
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.
单选题A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）AThe host needs to open the telnet port.BThe host needs a route for the translated address.CThe administrator must use a proxy-arp policy for the translated address.DThe administrator must use a security policy, which will allow communication between the zones.
多选题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?（）ASwitch1(config-if)# switchport port-security maximum 1BSwitch1(config)# mac-address-table secureCSwitch1(config)# access-list 10 permit ip hostDSwitch1(config-if)# switchport p ort-security violation shutdownESwitch1(config-if)# ip access-group 10
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.
多选题Which two statements about the wireless control system （WCS） are true？（）Athe Cisco WCS is designed to support 1500 Cisco WLAN controllers and up to 50 APsBthe Cisco WCS runs on a dedicated network device such as the Cisco 2700 network applianceCthe Cisco WCS runs on various windows and Linux platformsDthe Cisco WCS screen displays four main menu sheet tab consisting of Monitor， Configure， Security， and AlamEthe Cisco WCS uses the SNMP protocol to communicate with the controllers