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Computer Networking

Computer Networking
What is the first octet range for a class A IP address?

192 - 223
128 - 191
1 - 126
192 - 255
1 - 127

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Computer Networking
Which class of IP address has the most host addresses available by default?

C
A and B
A
B

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Computer Networking
Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?

Cable
VPN
HDLC
IPSec
xDSL

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Computer Networking
OSI model means:

Operating system interconnection
Operating source interconnection
Open source interconnection
Open systems interconnection

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Computer Networking
An ROP would be attached to a

duplex channel
simplex channel
half duplex channel
None of these
full duplex channel

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Computer Networking
With an IP address of 100, you currently have 80 subnets. What subnet mask should you use to maximize the number of available hosts?

252
192
240
248
224

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