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Q. 250
What is the purpose of ISL and 802.lq frame tagging?
A. They provide best path determination.
B. The allow the exchange of filtering tables.
C. They specify different implementation of the Spanning-Tree Protocol.
D. They provide interswitch VLAN communication.
Answer: D
Q. 251
What is the purpose of Spanning-Tree in a switched LAN?
A. To provide a mechanism for network monitoring in switched environments.
B. To prevent routing loops in networks with redundant paths.
C. To prevent routing switching loops in networks with redundant switched paths.
D. To manage, the addition, deletion, and naming of VLANs across multiple switches.
E. To segment a network into multiple collision domains.
Answer: C
Q. 252
Which OSI layer ensures reliable end-to-end delivery of data?
A. application
B. presentation
C. session
D. transport
E. network
Answer: D
Q. 253