Note: Remember - a new exam (and blueprint) for the CCIE-R/S Written debuts next Tuesday, June 19, 2007. The biggest change is the addition of MPLS. Be ready with
LAST WEEK'S ANSWER:
Answer: a, c, d
Topic Domain: 3e
Which of these statements are true? What makes the incorrect options false?
Fragmentation is no longer performed by intermediate nodes in IPv6. It is permitted only between the originating node and the destination. There is an Extension Header called Fragment Header that can be used to carry information to the destination node. IPv6 specifications have consistently called for a minimum MTU. RFC 2460 in 1998 called for 1280 bytes at a minimum. Path MTU Discovery does exist in IPv6, but there is no longer a Don?t Fragment bit.
LAST WEEK'S QUESTION:3-11-3. Which of the following statements regarding fragmentation in IPv6 are correct? Choose all that apply.
a. Fragmentation is permitted only between the originating node and the destination b. Path MTU Discovery exists in IPv6 and uses the Don?t Fragment bit in its operation c. A Fragment Header contains information regarding packet fragmentation d. IPv6 specifications call for a minimum MTU in IPv6
THIS WEEK'S QUESTION:3-11-4. Which tunnel type features sites using addresses from the 2002::/16 prefix?
a. ISATAP b. 6to4 c. IPv4-Compatible d. GRE e. None of these options are correct
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