Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
Which of the following is
NOT a category of network problems? 1. Commware 2. Hardware 3. Peopleware 4. Software |
1. commonware
|
|
|
Which of the following is
NOT a specialized diagnostic tool? 1. Breakout box 2. Datascope 3. Time domain reflectometer 4. Voltmeter |
4. Voltmeter
|
|
|
Which of the following areas
cause the majority of all network-related problems? 1. Cabling failures 2. Operating system failures 3. Power outages 4. User actions |
4. User actions
|
|
|
To determine the problem,
which of the following information should be gathered? 1. Nature of the problem 2. Node identification number 3. User’s name 4. All of the above |
4. All of the above
|
|
|
How many primary culprits
are there to network malfunctions? 1. Five 2. Two 3. Three 4. Four |
3. Three
component Failures Server Failures Data Collision |
|
|
Component failures are
categorized into which of the following types of faults? 1. Hard and soft 2. Hard and permanent 3. Soft and temporary 4. Permanent and temporary |
1. Hard and Soft
|
|
|
PC tests are that stored in ROM,are known by which of
following terms? 1. Boot test 2. Pre-startup test 3. Power-on self test 4. Start test |
3. POST-power on self test
|
|
|
Which of the following
pieces of test equipment is the best tool to use for network malfunctions? 1. Line conditioner 2. Network analyzer 3. Time domain reflectometer 4. Voltmeter |
2. Network Analyzer
|
|
|
When a network malfunction
is detected, the alarm is sent to which of the following persons? 1. Department head 2. Network supervisor 3. Security officer 4. User |
2. Network supervisor
|
|
|
To reestablish services,
which of the following steps is the first and easiest to try? 1. Run the system distribution 2. Run the system initialization command 3. Shutdown and reboot the system 4. Verify the domain name |
1. Run the system
distribution |
|
|
Which of the following terms
is used to describe what occurs when two nodes start transmitting at the same time? 1. Collision 2. Derail 3. Jam 4. Wreck |
1. Collision
|
|
|
When a node needs to send
data, it waits until the line is quiet and then transmits. This protocol is known by what term? 1. CSMA/CA 2. CSMA/CB 3. CSMA/CD 4. CSMA/CE |
3. CSMA/CD
|
|
|
In a CSMA/CA system, the
media-access method uses which of the following signals before sending a frame onto the network? 1. NTS and CTS 2. RTS and CTS 3. WTS and NTS 4. WTS and RTS |
2. RTS and CTS
ready to send & clear to send |
|
|
Which of the following terms
is described as a hardware signal sent from a potential transmitter to a destination to indicate that the transmitter wishes to begin a transmission? 1. BTS 2. NTS 3. RTS 4. WTS |
3. RTS
|
|
|
Communication line problems
fall into how many different categories? 1. Five 2. Two 3. Three 4. Four |
3. Three
excessive noise, cabling, and backbone connections |
|
|
Which of the following terms
is NOT a form of noise? 1. Blocktalk 2. Crosstalk 3. Impulse 4. White |
1. Blocktalk
|
|
|
Which of the following
ratios is used to determine how long a cable segment can be before the signal loss is unacceptably high? 1. NER 2. NNR 3. SER 4. SNR |
4. SNR
signal to noise ratio |
|
|
Filters applied early in the
transmission are known by which of the following terms? 1. Baseband 2. Broadband 3. Passband 4. Preband |
1. Baseband
|
|
|
Which of the following terms
is used to describe the decrease in signal strength measured in decibels per 100 feet? 1. Crosstalk 2. Impedance 3. Attenuation 4. Degradation |
3. Attenuation
|
|
|
A commonly used measure of
interference in twisted-pair cable is referred to by which of the following names? 1.Front-end crosstalk 2.Inter-end crosstalk 3.Mid-to-end crosstalk 4.Near-end crosstalk |
4.Near-end crosstalk
remember NEXT |
|
|
Which of the followinq terms
is a measure of electrical resistance? 1. Crosstalk 2. Impedance 3. Attenuation 4. Degradation |
2. Impedance
|
|
|
How many types of line
conditioning are available? 1. Five 2. Two 3. Three 4. Four |
2. Two
C conditioning and D conditioning |
|
|
Which of the following
equipment is used to extend the transmission range between devices that are connected directly to each other? 1. Line conditioner 2. Line driver 3. Network analyzer 4. Time domain reflectometer |
2. Line driver
|
