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289. What are the two most common request/reply pair with ICMP messages when using the ping
command?
A. Echo request and Echo reply B. ICMP hold and ICMP send
C. ICMP request and ICMP reply
D. Echo off and Echo on
Answer: A
The ICMP protocol uses Echo request and Echo reply with the Ping command
Chapter: 6
290. What do you call it when a frame is placed into another type of frame?
A. Framing
B. De-encapsulation C. Encapsulation
D. De-framing
Answer: C
When a frame is placed inside another frame it is know as encapsulation. To restore the frame to its original state is De-Encapsulation.
Chapter: 6
291. Which technology is used by Catalyst switches to resolve topology loops and ensure data flows properly though a single network path?
A. VTP B. ISL
C. 802.1Q D. STP
Answer: D
Catalyst switches use the STP (spanning tree protocol) to prevent loops and to ensure data flows through a
single network path.
Chapter: 6
292. Which command displays all the commands in the history buffer?