Switch R1 has been configured with DTP using the desirable option.
Which statement describes Dynamic Trunking Protocol （DTP） desirable mode？（）
A. The interface actively attempts to convert the link to a trunk link.
B. The interface is put into permanent trunking mode but prevented from generating DTP frames.
C. The interface is put into permanent trunking mode and negotiates to convert the link into a trunk link.
D. The interface is put into a passive mode， waiting to convert the link to a trunk link.
E. None of the other alternatives apply
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The core Company switches are configured to use 802.1Q trunks.
Which three statements are correct with regard to the IEEE 802.1Q standard？（）
A. The IEEE 802.1Q frame format adds a 4 byte field to a Ethernet frame
B. The packet is encapsulated with a 26 byte header and a 4 byte FCS
C. The protocol uses point-to-multipoint connectivity
D. The protocol uses point-to-point connectivity
E. The IEEE 802.1Q frame uses multicast destination of 0x01-00-0c-00-00
F. The IEEE 802.1Q frame retains the original MAC destination address
Refer to the exhibit. On the basis of the output generated by the show commands，
which two statements are true？（）
A. Because it is configured as a trunk interface， interface gigabitethernet 0/1 does not appear in the show vlan output.
B. VLAN 1 will not be encapsulated with an 802.1q header.
C. There are no native VLANs configured on the trunk.
D. VLAN 2 will not be encapsulated with an 802.1q header.
E. All interfaces on the switch have been configured as access ports.
F. Because it has not been assigned to any VLAN， interface gigabitethernet 0/1 does not appear in the show vlan output.
The Company core switches use 802.1Q trunks to connect to each other.
How does 802.1Q trunking keep track of multiple VLANs？ （）
A. It tags the data frame with VLAN information and recalculates the CRC value
B. It encapsulates the data frame with a new header and frame check sequence
C. It modifies the port index of a data frame to indicate the VLAN
D. It adds a new header containing the VLAN ID to the data frame
E. None of the other alternatives apply
Two Company switches are connected via a trunk link. In this network， the original frame is encapsulated and an additional header is added before the frame is carried over a trunk link. At the receiving end， the header is removed and the frame is forwarded to the assigned VLAN.
This describes which technology？（）
A. DISL
B. ISL
C. DTP
D. IEEE 802.1Q
E. MPLS
F. None of the other alternatives apply
When the Catalyst switch R1 is enabled to use VTP，
which information does it advertise on its trunk ports？（）
A. VTP mode
B. STP root status
C. Negotiation status
D. Management domain
E. Configuration revision number
Switch R1 is configured with VTP.
Which two VTP modes will make R1 capable of creating and deleting VLANs on itself？ （）
A. Client
B. Server
C. Transparent
D. Pass-through
E. No-negotiate
What action should you execute if you wanted to enable VTP pruning on your entire management domain？（）
A. Enable VTP pruning on any client switch in the management domain.
B. Enable VTP pruning on any switch in the management domain.
C. Enable VTP pruning on every switch in the management domain.
D. Enable VTP pruning on a VTP server in the management domain.
E. Disable VTP pruning on a VTP server in the management domain.
A.It does not prune traffic from VLANs that are pruning-ineligible
B.VLAN 1 is always pruning-eligible
C.It will prune traffic from VLANs that are pruning-ineligible
D.VLAN 2 is always pruning-ineligible
E.None of the other alternatives apply
A.Domain advertisements
B.Advertisement requests from clients
C.Subset advertisements
D.Summary advertisements
A.The VLAN ID of all known VLANs，the management domain name，and the total number of trunk links on the switch.
B.The VLAN ID of all known VLANs，a 1-bit canonical format （CF1 Indicator），and the switch configuration revision number.
C.The management domain name，the switch configuration revision number，the known VLANs， and their specific parameters.
D.A 2-byte TPID with a fixed value of 0x8100 for the management domain number，the switch configuration revision number，the known VLANs，and their specific parameters.
E.None of the other alternatives apply.
最新試題
Which option correctly identifies the Cisco IOS switching methods in descending order from the fastest method to the slowest method？（）
What two things will occur when an edge port receives a BPDU？（）
Refer to the exhibit. Switch 15 is configured as the root switch for VLAN 10 but not for VLAN 20. If the STP configuration is correct， what will be true about Switch 15？（）
Which three statements about STP timers are true？（）
Based on the show spanning-tree vlan 200 output shown in the exhibit， which two statements about the STP process for VLAN 200 are true？ （）
Which two statements are true about BPDU port-guard and BPDU filtering？（）
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. 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？（）
Refer to the exhibit. On the basis of the output of the show spanning-tree inconsistentports command， which statement about interfaces FastEthernet 0/1 and FastEthernet 0/2 is true？（）
Which statement is correct about RSTP port roles？（）