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Computer Networking

Computer Networking
Which of the following services use UDP?1. DHCP2. SMTP3. SNMP4. FTP5. HTTP6. TFTP

All of these
2 and 4
1, 2 and 4
1, 3 and 6

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Computer Networking
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?

255.254.0.0
255.255.255.255
255.240.0.0
255.252.0.0
255.248.0.0

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Computer Networking
One important characteristic of the hub architecture of ARC-net is

alternative routing
multiple virtual networks
None of these
directionalized transmission
access control and addressing

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Computer Networking
What does the acronym ISDN stand for?

Integrated Services Data Network
Integrated Services Digital Network
Indian Standard Digital Network
Intelligent Services Digital Network
None of these

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Computer Networking
The interactive transmission of data within a time sharing system may be best suited to

simplex lines
biflex-line
None of these
half-duplex lines
full-duplex lines

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Computer Networking
With an IP address set starting with 150, you currently have six offices that you are treating as subnets. Plans are in place to open 10 more offices before the end of the year. What subnet mask should you use to satisfy the needed number of subnets and maximize the number of hosts available at each site?

248
240
224
252
192

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