1. Most networks are connected to other local area or wide area networks. Select the best fit for answer:
A. Internet works
B. The Internet
C. Internet revolution
D. Internet technologies
2. You are working with a network that is 172.16.0.0 and would like to support 600 hosts per subnet. What subnet mask should you use?
A. 255.255.192.0
B. 255.255.224.0
C. 255.255.240.0
D. 255.255.248.0
E. 255.255.252.0
3. A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?
A. 1.5 Mbaud/sec
B. 6 Mband/sec
C. 12 Mbaud/sec
D. 24 Mbaud/sec
E. None of the above
4. Which of the following digits are known as the sub-address digits (for use by the user) of the Network User Address (NUA)?
A. 5-7
B. 1-4
C. 8-12
D. 13-14
E. None of the above
5. Error detecting code is
A. an error-detecting code based on a summation operation performed on the bits to be checked
B. a check bit appended to an array of binary digits to make the sum of all the binary digits.
C. a code in which each expression conforms to specify rules of construction so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the error is detected.
D. the ratio of the data units in error to the total number of data units
E. None of the above