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Computer Networking

Computer Networking
On a class C network with a subnet mask of 192, how many subnets are available?

2
254
14
62
30

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Computer Networking
Computers in a LAN can be interconnected by radio and infrared technologies.

Network Topologies
Wireless LANs
255.255.255.255
Modem
Multiplexer

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Computer Networking
Communication between computers is almost always

direct
None of these
parallel
series parallel
serial

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Computer Networking
Which of the following encapsulates PPP frames in Ethernet frames and uses common PPP features like authentication, encryption, and compression?

PPPoE
Token Ring
PPP
PPPoA

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Computer Networking
Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment?

Unique to that subnet only
For no more than two subnets
For no subnets
None of these
For different subnets

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Computer Networking
How often are BPDUs sent from a layer 2 device?

Every 30 seconds
Never
Every 10 minutes
Every 2 seconds

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