300-135 新题疑问Q20

andsonwu

QUESTION 20
+ Y* z/ |5 R4 w* TWhich two statements about traceroute are true? (Choose two.)
A. It supports a variety of IP header options, including verbose.
B. The DF bit is set by default.
C. The TTL value can be set to 0.
* M+ \1 _+ C, {D. The default probe count for each TTL level is 3.
" n* @" F! z6 F* H4 WE. Extended traceroute operation can use a modified data pattern.
( i. b7 E) v+ d9 s$ uCorrect Answer: DE

# a) i6 T4 b% D5 P% B. P: j另一种答案为 A，D
& I. u$ ]& c0 L+ C6 w* S% z; yhttps://www.cisco.com/c/en/us/su ... ace.html#ext_troute
! \6 c1 A  u" D9 r/ A9 XLoose, Strict, Record, Timestamp, Verbose[none]:       
% g3 a. y6 K' ]3 J; P0 hIP header options. You can specify any combination. The traceroute command issues prompts for the required fields. Note that the traceroute command will place the requested options in each probe; however, there is no guarantee that all routers (or end nodes) will process the options.

andsonwu

E. data pattern 好像ping才有

hor5651

thank you