多项选择题

Which of the following characteristics describe the BPDU Guard feature？（Choose all that apply.）（）

A.A BPDU Guard port should only be configured on ports with PortFast enabled
B.BPDU Guard and PortFast should not be enabled on the same port.
C.BPDU Guard is used to ensure that superior BPDUs are not received on a switch port
D.A BPDU Guard port receiving a BPDU will go into err-disable state
E.A BPDU Guard port receiving a BPDU will be disabled
F.BPDU Guard can be enabled on any switch port

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热门试题

单项选择题AMACaddressfloodattackisoccurringontheLAN.Duringthisattack，numerousframesareforwardedtoaswitchwhichcausestheCAMtabletofilltocapacity.Howdoesthisactionbenefittheattacker？（）

A.All traffic is tagged with a specific VLAN ID from the VLAN of the attacker and is now viewable
B.Clients will forward packets to the attacking device， which will in turn send them to the desireddestination but not before recording the traffic patterns
C.All traffic is redirected to the VLAN that the attacker used to flood the CAM table
D.All traffic is flooded out all ports and an attacker is able to capture all data
E.None of the other alternatives apply

单项选择题ThenetworkisbeingfloodedwithinvalidLayer2addresses，causingswitchCAMtablestobefilledandforcingunicasttraffictobetransmittedoutallswitchports.WhichtypeofLayer2attackisbeingusedhere？（）

A.MAC spoofing
B.VLAN hopping
C.MAC address flooding
D.DHCP flooding
E.Session hijacking

多项选择题YouwanttoenhancethesecuritywithintheLANandpreventVLANhopping.Whattwostepscanbetakentohelppreventthis？（）

A.Enable BPD guard
B.Disable CDP on ports where it is not necessary
C.Place unused ports in a common unrouted VLAN
D.Prevent automatic trunk configuration
E.Implement port security

单项选择题Refer to the exhibit. Based upon the configuration， you need to understand why the policy routingmatch counts are not increasing. Which would be the first logical step to take？Select the bestresponse.（）

A.Confirm if there are other problematic route-map statements thatprecede divert
B.Check the access list for log hits
C.Check the routing table for 212.50.185.126
D.Remove any two of the set clauses（Multiple set clause entries will cause PBR to use therouting table.）

单项选择题Study the following graphic carefully Host1 and Host2， which belong to different VLANs， are in thesame subnet. According to the information displayed， which description is correct when trying toping from host to host？（）

A.A trunk port should be configured on the link between CK-SW1 and CK-SW2 to pingsuccessfully
B.The two hosts should be in the same VLAN in order to ping successfully
C.A Layer 3 device is a must in order for the ping command to be successful
D.The ping command will be successful without any further configuration changes