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Computer Networking

Computer Networking
On a class B network, how many subnets are available with a subnet mask of 248?

62
126
6
30
2

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Computer Networking
Which of the following commands sets a trunk port on a 2960 switch?

switchport mode trunk
trunk on
trunk all
switchport trunk on

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Computer Networking
Which encapsulations can be configured on a serial interface?1. Ethernet2. Token Ring3. HDLC4. Frame Relay5. PPP

1 and 4
2 only
3, 4 and 5
All of these

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Computer Networking
If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

172.16.45.0
172.16.45.8
192.168.10.126
172.16.45.4
172.16.45.12

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Computer Networking
How many digits of the Network User Address are known as the DNIC (Data Network Identification Code)?

None of these
first three
first five
first four
first seven

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Computer Networking
When you ping the loopback address, a packet is sent where?

On the network
None of these
Across the wire
through the loopback dongle
Down through the layers of the IP architecture and then up the layers again

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