Computer Networking
You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use?

255.254.0.0
255.252.0.0
255.248.0.0
255.240.0.0
255.224.0.0

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Computer Networking
CSMA (Carrier Sense Multiple Access) is

a method of determining which device has access to the transmission medium at any time
a very common bit-oriented data link protocol issued by ISO.
None of these
network access standard for connecting stations to a circuit-switched network
a method access control technique for multiple-access transmission media.

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Computer Networking
You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful?1. TFTP server software must be running on the router.2. TFTP server software must be running on your laptop.3. The Ethernet cable connecting the laptop directly into the router's Ethernet port must be a straight-through cable.4. The laptop must be on the same subnet as the router's Ethernet interface.5. The copy flash tftp command must be supplied the IP address of the laptop.

2, 4 and 5
3 and 5 only
5 only
1, 3 and 4

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