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【多选题】

Which two design concerns must be addressed when designing a multicast implementation?（）

A、only the low-order 23 bits of the MAC address are used to map IP addresses

B、only the low-order 24 bits of the MAC address are used to map IP addresses

C、only the high-order 23 bits of the MAC address are used to map IP addresses

D、only the low-order 23 bits of the IP address are used to map MAC addresses

E、the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses

F、the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses

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第1题
[多选题] Refer to the exhibit. Which two statements about the topologies shown are correct?（）

A、Design 1 is a looped triangle design.  B、Design 2 is a looped triangle design.  C、Design 2 achieves quick convergence using RSTP.  D、Both designs supportstateful services at the aggregation layer.  E、Design 2 is the most widely deployed in enterprise data centers.  

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第2题
[多选题] In a RSTP implementation, which of the following two link types are used? （）(Choose two.)

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第3题
[单选题] A company needs to connect seven of their Windows-based servers to a DS4000 storage server.   The DS4000 only has two host-side connections， and each server has two HBAs.  Which of the following is the lowest cost solution to provide no single points of failure？（）

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第4题
[] Which two functions are performed in Quick Setup?（） (Choose two.)

A、A. operating mode  B、B. auto-deployment  C、C. speed and duplex settings  D、D. registration server designation  

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第5题
[多选题] Which two statements correctly describe a situation in which an Active/Standby Service Module design is being used?（）

A、Troubleshooting is more complicated.  B、Service and switch modules are underutilized.  C、Layer 2 adjacency is required with the servers that use this design.  D、Layer 3 adjacency is required with the servers that use this design.  E、Load balancing will always occur across both access layer uplinks.  

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第6题
[单选题] Which design topology incurs a performance penalty since there are two encryption-decryption cycles between any two remote sites?（）

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第7题
[多选题] Which two design goals describe the Junos OS design?（）

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第8题
[多选题] As a Cisco Network Engineer, you have to master the knowledge of the Cisco validated Design program. Which two of the following descriptions correctly identify its features? （）(Choose two.)

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第9题
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第10题
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