A.it is a layer 2 messaging protocol which maintains vlan configurations across network.
B.it includes an 8-bit field which specifies the priority of a frame.
C.it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
D.it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
E.it is a trunking protocol capable of carring untagged frames.
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Based on the network shown in the graphic which option contains the potential networking problem and protocol or setting that can to prevent the problem?（）
A.Routing loops, hold down timers
B.Switching loops, split horizon
C.Routing loops, split horizon
D.Switching loops, VTP
E.Routing loops, STP
F.Switching loops, STP
A.ping address
B.tracert address
C.traceroute address
D.arp address
A.added security
B.dedicated bandwidth
C.provides segmentation
D.allows switches to route traffic between subinterfaces
E.contains collisions
Refer to the exhibit. Which statement is true?（）
A.The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20.
B.VLAN 20 is running the Per VLAN Spanning Tree Protocol.
C.The MAC address of the root bridge is 0017.596d.1580.
D.SwitchA is not the root bridge, because not all of the interface roles are designated.
A.source MAC address
B.source IP address
C.source switch port
D.destination IP address
E.destination port address
F.destination MAC address
最新試題
What are two enhancements that OSPFv3 supports over OSPFv2? （）
A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? （）
A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?（）
What is the default Syslog facility level?（）
What command visualizes the general NetFlow data on the command line?（）
Which statement describes the process ID that is used to run OSPF on a router ?（）
What command instructs the device to timestamp Syslog debug messages in milliseconds?（）
Refer to the exhibit.If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID?（）
In a GLBP network, who is responsible for the arp request?（）
What are three benefits of GLBP?（）