YANG modeling supports which two comment styles? (Choose two.)

YANG modeling supports which two comment styles? (Choose two.)
A. A block comment is enclosed within"<–" and"->".
B. A single-line comment starts with "#"and ends at the end of the line.
C. A single-line comment starts with "!"and ends at the end of the line.
D. A block comment is enclosed within"/*" and"*/".
E. A single-line comment starts with "//"and ends at the end of the line.

Answer:
Explanation:
DE
Comments are C++ style. A single line comment starts with "//" and
ends at the end of the line. A block comment is enclosed within "/*"
and "*/".
https://tools.ietf.org/html/draft-ietf-netmod-yang-00#section-4.2.1

What are two potential risks when a network operator runs this script as written?

Refer to the exhibit.

image018 - 
What are two potential risks when a network operator runs this script as written?
A network engineer created a Bash script to automate some network device tasks.
What are two potential risks when a network operator runs this script as written? (Choose two.)
A. The script results in network devices losing connectivity.
B. The script executes too slowly.
C. The script configures unintended commands.
D. The script exposes users’ passwords.
E. The script passes configuration data in clear text.

Answer: BC

Which YANG statement defines a block of other statements that can be easily referenced in other areas of a data model?

Which YANG statement defines a block of other statements that can be easily referenced in other areas of a data model?
A. grouping
B. container
C. submodule
D. module

Answer: D