單項選擇題Which of the following types of NAT allows multiple private internal IP addresses to use a singlepublic external IP address?()

A.NAT mapping
B.NAT overloading
C.NAT caching
D.Static NAT
E.Dynamic NAT
F.Overlapping NAT


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1.多項選擇題Which of the following characteristics are true assuming you are troubleshooting a networkcurrently enabled for VRRP?(Choose all that apply.)()

A.The network is load balancing among different members of the VRRP group
B.The default hello timers are 1 second
C.The interface IP address is being used as the virtual IP address
D.There are several routers in the group simultaneously forwarding traffic for the group
E.It is a Cisco Proprietary protocol
F.The default hello timers are 3 seconds

2.多項選擇題Which of the following statements are true regarding Layer 3 switches?(Choose all that apply.)()

A.A routed port does not run STP or DTP
B.A routed port is considered to be in a down state if it is not operational at both Layer 1 andLayer 2
C.An SVI is considered to be in a down state if it is not operational at both Layer 1 and Layer 2
D.An SVI is considered to be in a down state only when none of the ports in the correspondingVLAN are active
E.An SVI port does not run 5TP or DTP
F.To create a trunk, an SVI can be logically divided into subinterfaces

3.多項選擇題You are using AutoQoS Enterprise and realize that the results are not what you expected. Whichof the following are possible reasons for AutoQoS not functioning correctly?(Choose all thatapply.)()

A.The interface you configured for AutoQoS is set to half-duplex
B.AutoQoS was configured on only one end of the link
C.The interface you configured for AutoQoS has no IP address
D.The interface’s bandwidth is not correctly configured
E.CEF is not enabled on the interface
F.You enabled AutoQoS on the interface but forgot to enable globally first

4.多項選擇題Which of the following troubleshooting targets is considered to be a Layer 2 issue?(Choose allthat apply.)()

A.Spanning Tree Protocol
B.Cabling
C.Frame forwarding
D.Packet forwarding
E.EtherChannel
F.Routing protocols

5.多項選擇題Which of the following are considered common elements found in a set of network documents?(Choose all that apply.)()

A.Building schematic
B.IGP community elements
C.Listing of interconnections
D.Physical topology diagram
E.Logical topology diagram
F.Inventory of network equipment

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