急问,几个小问题,不够可以加!!!

[wangjiashun]

不好意思,英文的,但我相信高手一看就明白.

1) The Ethernet Preamble uses which of the following Manchester encoding pattern?
A) 10101110
B) 10110110
C) 10101010
D) 10101011

2) What is the subnet mask for an address expressed as 175.38.0.0/26?
A) 255.255.255.0
B) 255.255.24.0
C) Depends on address class
D) 255.255.255.192
E) 255.255.255.26

3) Bridges build forwarding tables of information that includes which of the following (choose all that apply)?
A) BootP address
B) IP address
C) Socket
D) Segment
E) MAC Addresses

5) Routers use hardware addresses when making routing decisions?
A) TRUE
B) FALSE

8) Which of the following are examples of Bridged Protocols?
A) RIP
B) EIGRP
C) IP
D) SNA
E) DECnet

9) A protocol analyzer is a device that allows bit-level analysis of traffic across a network?
A) True
B) False

10) Approximately how many unique networks are possible with a Class B address?
A) 254
B) 16,000
C) 65,000
D) 2 million
E) 128,000

[wangjiashun]

非常感谢!!!

[beyondsky00]

1: C
2: D
3: B E
5: B
8: C
9: B
10:A
这是那里ccna的试题吧？