多項選擇題Which of the following is not an essential prerequisite for AutoQoS to be correctly applied to aninterface? (Choose all that apply.)()

A.The interface must be configured as a Multilink PPP interface
B.The correct bandwidth should be configured on the interface
C.A QoS policy must not be currently attached to the interface
D.CEF must be enabled
E.AutoQoS must be enabled globally before it can be enabled on the interface
F.An IP address must be configured on the interface if its speed is equal to or less than 768 kbps


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1.多項選擇題Which of the following are valid modes of accessing the data plane? (Choose all that apply.)()

A.Serial connection
B.Secure Shell
C.RADIUS
D.Simple Network Management Protocol
E.HTTP
F.Telnet

2.多項選擇題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

3.單項選擇題A MAC address flood attack is occurring on the LAN. During this attack, numerous frames areforwarded to a switch which causes the CAM table to fill to capacity. How does this action benefitthe attacker?()

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

5.多項選擇題You want to enhance the security within the LAN and prevent VLAN hopping. What two steps canbe taken to help prevent this?()

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

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