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Answer: F
When using Cut-through the switch only reads the destination address. In Frag-Free the switch reads the
first 64 bytes and in Store and Forword the entire frame is read before switching.
Chapter: 3
137. Which two statements about frame tagging are true?
(choose 2) A. a filtering table is developed for each switch
B. Frame tagging assigns a unique user-defined ID to each frame
C. A unique identifier is placed in the header of each frame as it is forwarded between switches D. Frame tagging is a technique that examines particular information about each frame, based on user
defined offsets
Answer: B, C Answer A is incorrect because the switch builds only one filter table. D is incorrect because the user can not
define any of the values used on switching.
Chapter: 3
138. Which technology is used by Catalyst switches to resolve topology loops and ensure data flows
properly through a single network path?
A. virtual LANS
B. frame filtering C. cut-through switching
D. spanning-tree protocol
Answer: D
Catalyst switches use the STP (spanning tree protocol) to prevent loops and to ensure data flows through a single network path.
Chapter: 3
139. Which prompt and command combination sets RIP as the routing protocol A. router# rip
B. Router# router rip
C. Router(config)# rip D. Router(config)# router rip
Answer: D
Starting a routing process like RIP must be down at the global configuration mode.
Chapter: 3