多項選擇題Choose two commands that are required to enable multicast on a router， when it is known that the receivers use a specific functionality of IGMPv3.（）

A.ip pim rp-address
B.ip pim ssm
C.ip pim sparse-mode
D.ip pim passive


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1.單項選擇題What is the command to configure RSVP to reserve up to one-tenth of a Gigabit link， but only allow each individual flow to use 1 MB/s？（）

A.ip rsvp bandwidth 10000 1000
B.ip rsvp bandwidth 100000 1
C.ip rsvp bandwidth 10 1
D.ip rsvp bandwidth 1000000 1000

2.單項選擇題In GLBP， which router will answer on client ARP requests？（）

A.all active AVF routers as the first response is used by the client
B.the AVG router，replying with a different AVF MAC address each time
C.a random AVF router， based on a GLBP seed hash key
D.only the AVG router that received the ARP request first

5.多項選擇題Which three are needed to run VRF lite for IPv6 on a router？ （）

A.VRF definition for IPv6
B.MP BGP for IPv6
C.LDP
D.VRF-enabled routing protocol
E.VRF-enabled interface

6.多項選擇題Which three statements are true about policing？ （）

A.Out-of-profile packets are queued.
B.It causes TCP retransmits.
C.Marking and remarking are not supported.
D.It does not respond to BECN and foresight messages.
E.It uses a single- and two-bucket mechanism for metering.

7.多項選擇題An administrator of a peer-to-peer server application reports that the maximum bandwidth that his application receives is 90 Mb/s. You have an 8-port，100-Mb/s EtherChannel bundle on the switching infrastructure between the two servers， resulting in a bidirectional throughput of more than what is recorded. Which two solutions would allow for more bandwidth for the application？（）

A.change the EtherChannel default hashing algorithm from XOR to use source port Layer 4 port load balancing to better load balance the traffic
B.change the EtherChannel default hashing algorithm from XOR to use destination Layer 4 port load balancing to better load balance the traffic
C.have the application recoded to use multiple connections instead of a single connection so EtherChannel can better load balance the traffic
D.upgrade the CPU and memory of the compute devices so they can better process traffic
E.upgrade the EtherChannel bundle to a single gigabit link because EtherChannel is not well suited for single-connection traffic

8.多項選擇題Which two attributes need to match for two switches to become members of the same MST region？  （）

A.the table of 4096 elements that map the respective VLAN to STP instance number
B.VTP version
C.configuration revision number
D.native VLAN ID

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