思科认证考试（ＣＣＮＡ）考试模拟题４０—５９及答案(1)-思科认证试题
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Questions
40. [OxNx] Which of the following layers sends and receives binary information?
a) Application Layer 7
b) Presentation Layer 6
c) Session Layer 5
d) Transport Layer 4
e) Network Layer 3
f) Data Link Layer 2
g) Physical Layer 1
41. [OxNx] Which of the following layers provides end to end connections?
a) Application Layer 7
b) Presentation Layer 6
c) Session Layer 5
d) Transport Layer 4
e) Network Layer 3
f) Data ...