第1题：
A what precisely the link between the symbol and the concept is
B what symbol/form. refers to
C what referent refers to
D what thought/reference refers to
第2题：
6． She was so angry at ________ he was doing ________she walked out．and closed the door heavily behind her．
A． what ; that
B． that ; what
C． that ; that
D． what ; what
第3题：
A.Losing
B.Lose
C.Lost
D.To lose
第4题：
Apart from interdomain multicast routing， what else is MSDP used for？（）
第5题：
What is the cause of the error？（）
第6题：
A. It scopes multicast traffic.
B. It prevents multicast routing loops.
C. It advertises active multicast sources.
D. It advertises RPs to all downstream routers.
第7题：
By default， what type of SSH server key is generated by Cisco NX-OS Software？（）
第8题：
8．—__________ behind the chair?
—My alarm clock．
A． What ’s
B． Where’s ．
C． Who’s
D． Where are
第9题：
What MSDP solution provides the abiltiy to place the same ip RP address on the loopback of two or more routers？
第10题：
In what PIM topology would you use MSDP within a single domain？（）