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Which line from a show spantree
A.Root mode is fast Ethernet 0/26.
B.Port Ethernet 0/1 of VLAN is forwarding.
C.Designated port in Ethernet 0/1 path cos10.
D.Designated root has priority 0, address 0000.588fb600
E.VLAN1 is executing the IEEE compatible spanning tree protocol.
Answer: E
Explanation: To determine if the VLAN is functioning properly on will need to examine the first line of the output. That is, VLAN is executing the IEEE compatible spanning tree protocol.
Incorrect Answers:
A is incorrect; this line indicates what the switch thinks is the root port.
B is incorrect; this line indicates which port is forwarding.
C is incorrect; this line indicates the designated port and its associated cost.
D is incorrect; this line indicated the MAC address of the designated root.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages
Q. 164
Which statement about the
A.It is a number that identifies a local virtual circuit in Frame Relay network.
B.It is a signaling standard between the CPE device and the Frame Relay switch.
C.It is check speed port speed of the connection (local loop) to the Frame Relay cloud.
D.It is maximum number of uncommitted bits that the Frame Relay switch will attempt to transfer beyond the committed information rate (CIR).
Answer: A
Explanation: The DLCI
Incorrect Answers:
B is incorrect; DLCI is not a signaling standard.
C is incorrect; this is the local access rate.
D is incorrect; this is not a function of DLCI.
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