2014年思科认证考试CCNA高分必备模拟试题（3）
为了帮助考生们复习好《思科认证：CCNA认证学科》，我们考吧网整理了一些关于思科认证：CCNA认证模拟试题，本次汇编的模拟试题希望对你的考试有所帮助，预祝你考试顺利
1. Which of the following is the encryption algorithm used for priv option when using SNMPv3? 下列哪一个加密算法，使用了SNMPv3 《3》
A. HMAC-SHA
B. HMAC-MD5
C. CBC-DES
D. AES
E. 3DES
2. Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below. (3)
1) 85
2) 90
3) BA
4) A1
5) B3
6) 1C
3. Convert the Hexadecimal number A2 into its Base 10 equivalent. Select the correct answer from the list below. (4)
1) 156
2) 158
3) 160
4) 162
5) 164
6) 166
4. Which binary number is a representation of the decimal number 248? (3)
1) 11101000
2) 11110100
3) 11111000
4) 11111010
5. How does network cable length affect attenuation? (3)
1) Category 5 cable that is run in metal conduit has the highest attenuation in the shortest distance.
2) Shorter cable lengths have greater signal attenuation.
3) Longer cable lengths have greater signal attenuation.
4) The length of the cable has no effect on signal attenuation.
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