640-802 무료 덤프문제 온라인 액세스

Which three of these statements regarding 802.1 Q trunking are correct? (Choose three.)

• A.802.1 Q trunks can use 10 Mb/s Ethernet interfaces.
• B.802.1 Q trunks should have native VLANs that are the same at both ends.
• C.802.1 Q trunking ports can also be secure ports.
• D.802.1 Q native VLAN frames are untagged by default.
• E.802.1 Q trunks require full-duplex, point-to-point connectivity.

This task requires you to use the CLI of Sw-AC3 to answer the multiple-choice question below. This does not require any configuration. Refer the Explanation to see all the configuration details.

Sw-AC3#show mac-address-table

Sw-AC3#show vlan Sw-AC3#show int trunk


Out of which ports on Sw-AC3 will a frame be forwarded that has Source MAC address 0010.5a0c.fd86 and destination MAC address 000a.8a47.e612? (Choose three)

• A.Fa0/4
• B.Fa0/7
• C.Fa0/12
• D.Fa0/1
• E.Fa0/3
• F.Fa0/6
• G.Fa0/8

Refer to the exhibit. Why has this switch not been elected the root bridge for VLAN1?

• A.It has a higher bridge ID than the elected root bridge.
• B.It has more than one interface that is connected to the root network segment.
• C.It has a higher MAC address than the elected root bridge.
• D.It is running RSTP while the elected root bridge is running 802.1 d spanning tree.

The network 172.25.0.0 has been divided into eight equal subnets. Which of the following IP addresses can be assigned to hosts in the third subnet if the ip subnet-zero command is configured on the router? (Choose three.)

• A.172.25.72.0
• B.172.25.96.17
• C.172.25.94.255
• D.172.25.78.243
• E.172.25.98.16
• F.172.25.100.16

What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two.)

• A.routing tables received from other link-state routers
• B.LSAs from other routers
• C.hello packets
• D.beacons received on point-to-point links
• E.SAP messages sent by other routers
• F.TTL packets from designated routers