What kind of message does a PING send out to test connectivity?（）
第1题：
142 Project managers must know:
A. What kind of message to send
B. to whom to send the message
C. how to translate the message into a language that everyone can understand
D. All of the above
E. A and B only
第2题：
A、She likes playing tennis
B、She's slim with long, straight black hair
C、She's very nice and kind
第3题：
The Project Manager has the responsibility of knowing what kind of message to send because his _____ may avoid communications barriers.
A business interfaces
B output
C technical experience
D priorities
E training methods
第4题：
What does“meteorological experts”mean in paragraph three?_______
A．predictors
B．witch
C．weatherman
D． a kind of Englishman
第5题：
A. SPF packets
B. hello packets
C. keepalive packets
D. dead interval packets
E. LSU packets
第6题：
9 The Project Manager has the responsibility of knowing what kind of message to send because his _____ may avoid communications barriers.
A. business interfaces
B. output
C. technical experience
D. priorities
E. training methods
第7题：
What kind of people does "secret Santas" in the passage refer to?
(No more than 12 words) (3 marks)
It refers to people who give away anonymous gifts on Christmas
第8题：
Project managers must know:
A What kind of message to send
B to whom to send the message
C how to translate the message into a language that everyone can understand
D All of the above
E A and B only
第9题：
A. ICMP echo request
B. Information interrupt request
C. Timestamp reply
D. Source quench
E. None of the above
第10题：
