COMPUTER NETWORKING QUIZ

Which of the following protocols are used to configure trunking on a switch?1. VLAN Trunk Protocol2. VLAN3. 802.1Q4. ISL

1, 3 and 4

1 only

3 only

3 and 4

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Which of the following is an example of a standard IP access list?

access-list 1 deny 172.16.10.1 0.0.0.0

access-list 110 permit host 1.1.1.1

access-list standard 1.1.1.1

access-list 1 permit 172.16.10.1 255.255.0.0

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Acknowledgments, sequencing, and flow control are characteristics of which OSI layer?

Layer 2

Layer 4

Layer 3

Layer 7

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A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?

12 Kbps

24 Kbps.

6 Kbps

3 Kbps

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If you wanted to delete the configuration stored in NVRAM, what would you type?

erase startup

delete nvram

erase running

erase nvram

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Which of the following digits are known as the sub-address digits (for use by the user) of the Network User Address (NUA)?

None of these

05-Jul

13-14

08-Dec

01-Apr

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The most flexibility in how devices are wired together is provided by

None of these

T-switched networks

bus networks

ring networks

star networks

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The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is

None of these

34000 bps

6200 bps

31000 bps

9600 bps

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Contention is

the condition when two or more stations attempt to use the same channel at the same time

a continuous frequency capable of being modulated or impressed with a second signal

None of these

a collection of interconnected functional units that provides a data communications service among stations attached to the network

One or more conductors that serve as a common connection for a related group of devices

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Packet Switch Stream (PSS) was introduced in

None of these

the UK in 1980

None of these

the US in 1961

the US in 1961 (&) the UK in 1981

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