The Company network needs to pass traffic between VLANs.
Which device should be used to accomplish this？ （）
A. Hub
B. Switch
C. Router
D. Bridge
E. None of the other alternatives apply
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pany has implemented numerous multilayer switches that utilize FIB tables.
Which statement is true about the Forward Information Base （FIB） table？（）
A. The FIB is derived from the IP routing table and is optimized for maximum lookup throughput.
B. The FIB table is derived from the Address Resolution Protocol table， and it contains Layer 2 rewrite （MAC） information for the next hop.
C. When the FIB table is full， a wildcard entry redirects traffic to the Layer 3 engine.
D. The FIB lookup is based on the Layer 2 destination MAC address.
E. None of the other alternatives apply
Refer to the exhibit.
What type of attack is being defended against？ （）
A. snooping attack
B. rogue device attack
C. STP attack
D. VLAN attack
E. spoofing attack
F. MAC flooding attack
Refer to the exhibit.
What will happen to traffic within VLAN 14 with a source address of 172.16.10.5？（）
A. The traffic will be forwarded to the router processor for further processing.
B. The traffic will be dropped.
C. The traffic will be forwarded to the TCAM for further processing.
D. The traffic will be forwarded without further processing.
Refer to the exhibit.
What will happen when one more user is connected to interface FastEthernet 5/1？（）
A. The first address learned on the port will be removed from the secure address list and be replaced with the new address.
B. All secure addresses will age out and be removed from the secure address list. This will cause the security violation counter to increment.
C. The packets with the new source addresses will be dropped until a sufficient number of secure MAC addresses are removed from the secure address list.
D. The interface will be placed into the error-disabled state immediately， and an SNMP trap notification will be sent.
Refer to the exhibit. The show port-security interface fa0/1 command was issued on switch SW1. Given the output that was generated，
which two security statement are true？ （）
A. Interface FastEthernet 0/1 was configured with the switchport port-security aging command.
B. Interface FastEthernet 0/1 was configured with the switchport port-security protect command.
C. Interface FastEthernet 0/1 was configured with the switchport port-security violation restrict command.
D. When the number of secure IP addresses reaches 10， the interface will immediately shut down.
E. When the number of secure MAC addresses reaches 10， the interface will immediately shut down and an SNMP trap notification will be sent.
Switch R1 has been configured with Private VLANs.
With that type of PVLAN port should the default gateway be configured？（）
A. Trunk
B. Isolated
C. Primary
D. Community
E. Promiscuous
F. None of the other alternatives apply
What is true about access control on bridged and routed VLAN traffic？ （）
A. Router ACLs can be applied to the input and output directions of a VLAN interface.
B. Bridged ACLs can be applied to the input and output directions of a VLAN interface.
C. Only router ACLs can be applied to a VLAN interface.
D. VLAN maps and router ACLs can be used in combination.
E. VLAN maps can be applied to a VLAN interface
On a Company switch named R1 you configure the following： iparp inspection vlan 10-12， 15
What is the purpose of this global configuration command made on R1？（）
A. Discards ARP packets with invalid IP-to-MAC address bindings on trusted ports
B. Validates outgoing ARP requests for interfaces configured on VLAN 10， 11， 12， or 15
C. Intercepts， logs， and discards ARP packets with invalid IP-to-MAC address bindings
D. Intercepts all ARP requests and responses on trusted ports
E. None of the other alternatives apply
As the network technician at Company， you need to configure DHCP snooping on a new switch.
Which three steps are required？ （）
A. Configure the switch to insert and remove DHCP relay information （option-82 field） in forwarded DHCP request messages.
B. Configure DHCP snooping globally.
C. Configure the switch as a DHCP server.
D. Configure DHCP snooping on an interface.
E. Configure all interfaces as DHCP snooping trusted interfaces.
F. Configure DHCP snooping on a VLAN or range of VLANs.
In the use of 802.1X access control，
which three protocols are allowed through the switch port before authentication takes place？ （）
A. STP
B. CDP
C. EAP MD5
D. TACACS+
E. EAP-over-LAN
F. protocols not filtered by an ACL
最新試題
During routine maintenance， it became necessary to shutdown G1/0/1 on DS1 and DS2. All other interface were up. During this time， DS1 became the active device for Vlan104’s HSRP group. As related to Vlan104’s HSRP group. What can be done to make the group function properly ？ （）
Which statement is correct about RSTP port roles？（）
Which two statements about the various implementations of STP are true？（）
Which statement is correct about the use of the virtual interface on a WLC ？（）
Examine the diagram. A network administrator has recently installed the above switched network using 3550s and would like to control the selection of the root bridge.Which switch should theadministrator configure as the root bridge and which configuration command must theadministrator enter to accomplish this？（）
What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals？（）
Refer to the exhibit and the partial configuration of switch SW_A and SW_B. STP is configured on all switches in the network. SW_B receives this error message on the console port：00：06：34： %CDP-4-DUPLEX_MISMATCH： duplex mismatch discovered on FastEthernet0/5 （not half duplex）， with SW_A FastEthernet0/4 （half duplex） ， with TBA05071417（Cat6K-B） 0/4 （half duplex）. What would be the possible outcome of the problem？（）
Which three statements about STP timers are true？（）
Which option correctly identifies the Cisco IOS switching methods in descending order from the fastest method to the slowest method？（）
Refer to the exhibit. Switch 15 is configured as the root switch for VLAN 10 but not for VLAN 20. If the STP configuration is correct， what will be true about Switch 15？（）