CCNA1-ITNv7-H4

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• Studiejaar 1

CCNA ITN v7.0

Chapter 4

What makes fiber preferable to copper cabling for interconnecting buildings?

1. easily terminated
2. durable connections
3. lower installation cost
4. greater distances per cable run

What is a NIC?

1. A card that allows the user to access mobile networks
2. A card that improves a computer's performance
3. A card that allows the user to access a network
4. A network information centre

In fiber optic media, the signals are represented as patterns of __________?

1. Modulated Amplitute
2. Modulated Frequncy
3. light
4. 3 Volt pulses

Refer to the image, what type of cable is this?

1. Straight Through
2. Rollover
3. Crossover
4. Fiber Optic

This type of copper media is used in buildings where there is a lot of interference:

1. optical fiber
2. UTP
3. STP
4. wireless

What type of cable is used to connect a workstation serial port to a Cisco router console port?

1. crossover
2. straight trough
3. coaxial
4. rollover

What type of media offers the most mobility?

1. Wireless
2. STP
3. UTP
4. Optical Fiber

What type of media offers high transmission speed over very large distances?

1. Wireless
2. STP
3. UTP
4. Optical Fiber

What type of media is traditionally used for television, but can be used to connect to the ISP?

1. Coaxial
2. STP
3. UTP
4. Optical Fiber

What is the purpose of the OSI physical layer?

1. controlling access to media
2. transmitting bits across the local media
3. performing error detection on received frames
4. exchanging frames between nodes over physical network media

Refer to the exhibit. What is the maximum possible throughput between the PC and the server?

1. 128 kb/s
2. 10 Mb/s
3. 100 Mb/s
4. 1000 Mb/s

Which method of data transfer allows information to be sent and received at the same time?

1. half duplex
2. multiplex
3. simplex
4. full duplex

What is the theoretical measurement of number of bits that can be transferred across the media?

1. Bus Speed
2. bandwidth
3. goodput
4. throughput

What causes interference on copper media?

1. RFI/EMI
2. IME/IFR
3. Light
4. Loud Noises

What does the twist in UTP cable do?

1. make it longer
2. make it shorter
3. add strength
4. reduce crosstalk

What type of fiber optic uses LED's?

1. Multi-mode Fiber
2. Single-Mode Fiber

there is main broadband wireless technologies except

1. municipal wifi
2. celular/mobile
3. satellite
4. wimax

Which two devices commonly affect wireless networks?

1. microwaves
2. incandescent light bulbs
3. Blu-ray players
4. cordless phones

What is throughput?

1. measure of bits transferred across the media over time
2. when your jelly goes through your pbj sandwich
3. time it takes for a message to get from sender to receiver
4. the capacity of a particular medium to carry data

What are two characteristics of fiber optic cables?

1. It combines the technique of cancellation, shielding, and twisting
2. It is more expensive than UTP cabling is
3. It typically contains 4 pairs of fiber optic-wires
4. It is not affected by EMI or RFI

Einde