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Computer Networking

Computer Networking
What is the subnetwork number of a host with an IP address of 172.16.66.0/21?

172.16.48.0
172.16.64.0
172.16.36.0
172.16.0.0

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Computer Networking
You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 12 hosts and a maximum number of subnets?

255.255.255. 240
255.255.255.252
255.255.255.192
255.255.255.248
255.255.255.224

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Computer Networking
Which protocol is used to send a destination network unknown message back to originating hosts?

BootP
ICMP
ARP
TCP

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Computer Networking
A modulator converts a _____ signal to a(n) _____ signal.

analog; digital
PSK; FSK
digital; analog
FSK; PSK
None of these

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Computer Networking
Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?

FTP
SMTP
RPC
SNMP
None of these

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Computer Networking
Which of the following are advantages of using NAT?1. Translation introduces switching path delays.2. Conserves legally registered addresses.3. Causes loss of end-to-end IP traceability.4. Increases flexibility when connecting to the Internet.5. Certain applications will not function with NAT enabled.6. Reduces address overlap occurrence.

5 and 6
2, 4 and 6
3, 5 and 6
1, 3 and 4

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