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.
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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
The DAI feature has been implemented in the Company switched LAN.
Which three statements are true about the dynamic ARP inspection (DAI) feature? ()
A. DAI can be performed on ingress ports only.
B. DAI can be performed on both ingress and egress ports.
C. DAI is supported on access ports, trunk ports, EtherChannel ports, and private VLAN ports.
D. DAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.
E. DAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.
F. DAI is supported on access and trunk ports only.
pany has implemented 802.1X authentication as a security enhancement.
Which statement is true about 802.1x port-based authentication?()
A. TACACS+ is the only supported authentication server type.
B. If a host initiates the authentication process and does not receive a response, it assumes it is not authorized.
C. RADIUS is the only supported authentication server type.
D. Before transmitting data, an 802.1x host must determine the authorization state of the switch.
E. Hosts are required to havea 802.1x authentication client or utilize PPPoE.
F. None of the other alternatives apply.
Refer to the exhibit.
How will interface FastEthernnet0/1 respond when an 802.1x-enabled client connects to the port? ()
A. The switch will uniquely authorize the client by using the client MAC address.
B. The switch will cause the port to remain in the unauthorized state, ignoring all attempts by the client to authenticate.
C. The switch port will disable 802.1x port-based authentication and cause the port to transition to the authorized state without any further authentication exchange.
D. The switch port will enable 802.1x port-based authentication and begin relaying authentication messages between the client and the authentication server.
An attacker is launching a DoS attack on the Company network using a hacking tool designed to exhaust the IP address space available from the DHCP servers for a period of time.
Which procedure would best defend against this type of attack? ()
A. Configure only trusted interfaces with root guard.
B. Implement private VLANs (PVLANs) to carry only user traffic.
C. Implement private VLANs (PVLANs) to carry only DHCP traffic.
D. Configure only untrusted interfaces with root guard.
E. Configure DHCP spoofing on all ports that connect untrusted clients.
F. Configure DHCP snooping only on ports that connect trusted DHCP servers.
G. None of the other alternatives apply
最新試題
DS2 has not become the active device for Vlan103’s HSRP group even though all interfaces are active. As related to Vlan103’s HSRP group. What can be done to make the group function properly ? ()
Refer to the exhibit. Switch S2 contains the default configuration. Switches S1 and S3 both have had the command spanning-tree mode rapid-pvst issued on them. What will be the result?()
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 ? ()
What two things will occur when an edge port receives a BPDU?()
Which two statements are true when the extended system ID feature is enabled? ()
Refer to the exhibit. All network links are FastEthernet. Although there is complete connectivity throughout the network, Front Line users have been complaining that they experience slower network performance when accessing the server farm than the Reception office experiences. Based on the exhibit, which two statements are true?()
Refer to the exhibit. Based on the output of the show spanning-tree command, which statement is true? ()
If G1/0/1 on DS1 is shutdown, what will be the current priority value of the Vlan105’s group on DS1 ?()
Which router redundancy protocol cannot be configured for interface tracking?()
Refer to the exhibit. LACP has been configured on Switch1 as shown. Which is the correct command set to configure LACP on Switch2?()