COMPUTER NETWORKING QUIZ

Which of the following commands sets the secret password to Cisco?

enable secret Cisco

enable password Cisco

enable secret cisco

enable secret password Cisco

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What is the minimum number of wires needed to send data over a serial communication link layer?

1

6

4

None of these

2

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Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.

Token-Ring, because it uses a MAU

Ethernet, because it is cabled using fiber-optic cable

Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology

Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies

Ethernet, because it can be set up with most topologies and can use multiple transfer speeds

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What is the result of segmenting a network with a bridge (switch)?1. It increases the number of collision domains.2. It decreases the number of collision domains.3. It increases the number of broadcast domains.4. It decreases the number of broadcast domains.5. It makes smaller collision domains.6. It makes larger collision domains.

1 and 5

3, 4 and 6

2, 3 and 5

1, 3 and 6

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Which of the following medium access control technique is used for bus/tree?

None of these

CSMA

MAC

token bus

token ring

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Error detection at the data link level is achieved by

Bit Stuffing

Cyclic Redundancy Code

Hamming Code

Equalization

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What is the main purpose of a data link content monitor?

to determine the flow of data

to determine the type of switching used in a data link.

to detect problems in protocols

to determine the type of transmission used in a data link

None of these

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Which command will allow you to see real-time translations on your router?

debug ip nat

clear ip nat translations *

show ip nat statistics

show ip nat translations

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A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer:

Telecommunications software

Telecommunications processors

Fiber optic cables

Cellular phone systems

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Which of the following is true when describing a multicast address?

These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.

Identifies multiple interfaces and is only delivered to one address. This address can also be called one-to-one-of-many.

Packets are delivered to all interfaces identified by the address. This is also called a one-to-many address.

Packets addressed to a unicast address are delivered to a single interface.

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