A
B
C
D
E
第1题：
A.A
B.B
C.C
D.D
E.E
第2题：
A. UDP is faster than TCP
B. UDP operates at the Transport Layer
C. UDP is connection-oriented
D. UDP data is sent best-effort
E. UDP is more reliable than TCP
第3题：
A. It is bidirectional.
B. It carries optimized traffic.
C. It can carry traffic using UDP.
D. It is formed only within a community
第4题：
What are three characteristics of UDP?（）
第5题：
In midocean，the characteristics of a wave are determined by three factors．What is NOT one of these factors?
A.Effect of the moon’s gravity
B.Fetch
C.Wind velocity
D.Length of time a wind has been blowing
第6题：
A.A
B.B
C.C
D.D
E.E
第7题：
A. classful routing protocol
B. variable-length subnet masks
C. broadcast addressing
D. manual route summarization
E. uses SPF algorithm to compute path
第8题：
A. NSC operates at the file level.
B. NSC operates at the byte level.
C. NSC uses hard drives to store longer patterns.
D. NSC retains learned patterns for a longer time.
E. NSC is available only on platforms with dual hard drives.
第9题：
What are two characteristics of RIPv2？ （）
第10题：
What are three characteristics of NSC technology? （）(Choose three.)