Shared Flashcard Set

Details

NetConnect and WAN Final
Amp Netconnect cert. as well as Wide Area Networking Final.
47
Computer Science
Undergraduate 1
12/15/2010

Additional Computer Science Flashcards

 


 

Cards

Term
General Cable Standard Makers
Definition
ISO/ ISC 11801
Term

CPAG

and

numbers affiliated with CPAG

Definition

Cabling 568

Pathways 569

Administration 606A

Grounding 607

Term
Patch Cable Max. Distance
Definition
100 Meters
Term
Horizontal Cabling from telco. room to wall jack max. length
Definition
90 meters
Term

BOGBS

or

Bell Operators Give Better Service

or

Colors of 568 cable

Definition
Blue Orange Green Brown Slate
Term
What pairs switch when going from 568B to 568A?
Definition

2nd and 3rd pair

[image]

Term
Max amount of bends?
Definition
2 90 degree angles max.
Term
Decibels of loss in mated and in a splice 
Definition

.75 decibels of loss mated

.3 loss splice

Term
Fiber Connectors
Definition

ST

SC

SFF or Small Form Factor

Term

Rack Unit Measurement

1U

Definition
1.75"
Term

Wavelengths for MM and SM

(multi-mode and single-mode)

Definition

850nm/1300nm mm

1310nm/1550nm sm

 

Term
3 main elements of administration
Definition

label 

identifier

record

Term
Color of connectors for MM and SM
Definition

MM is Beige or Aqua for laser or whatever

SM is Blue ;]

Term

WHAT BEE?

name and explain

Definition

Work area - 

Horizontal Cabling - cabling running from telcom room

Administration - identify, records, and label

Telco. Room - horizontal cabling 2 

Backbone Cabling - connect equip room to telcom room

Equipment Room- holds equipment like servers

Entrance Facility - where connection comes in.

Term
Required feet for work area jacks 
Definition

3 feet within AC

should be same height as AC

Term
Data Center Requirment
Definition

36" ft front and back if live electrical equipment

32" front and back if no electrical equipment 

6" minimum side clearance

 

Term
Untwisted Pair can be untwisted no more than____ inches when terminating
Definition

1/2 an inch

 

Term
Ceiling Height above tray that should be clear is _____inches
Definition
12
Term
Max capacity of furniture pathway. A percent.
Definition
33 percent
Term
Cables being pulled through conduit can be pulled at this weight per foot
Definition
25 lbs/foot
Term
UTP and STP max bend radius
Definition

4x cable diameter for UTP

8x for STP 25 pair is 10x

Term
Conduit dos n donts
Definition

do:

pull cables all at once

dont:

jerk cables

pull terminated through

not use petroleum based lube

Term

Cladding and core measurement

MM AND SM

Definition

MM 50 microns core

cladding 125 microns

 

SM 8-10 microns

125 microns cladding

Term
If your connection is okay to the DMARK is it your problem or the ISP problem
Definition
YOUR PROBLEMO MOOCHACOO.
Term
Mesh connection equation
Definition

# of node (number - 1)

divided by

2

Term
ATM uses _______ to capture frames
Definition
cells
Term
Main distribution frame
Definition
patch panels where telephone comp patches all connects.
Term
ISDN channels on BRI and PRI 
Definition

BRI 2B + D Channel

PRI 23B + D Channel

Term
QAM Advantages
Definition

More infor

multiple bits

phaseshift 

voltage

[image]

Term
Circut switches range from ______ hertz to ________ hertz
Definition
300-4000
Term
Home Broadband acts as what?
Definition

Router

Firewall

DHCP

Term
DSLAM is located where?
Definition
in central office
Term
DSL in local loop total feet
Definition
18,000 feet
Term
Digital to analog in dial up modem
Definition
demodulation
Term
analog to digital with dial up modem
Definition
modulation
Term
Codec is _______ to digital using what?
Definition
analog using TDM or time divison multiplexing
Term
PBX
Definition

Public Branch Exchange

Like willow valley telephone service

Term
Cycles per sec. know as
Definition

Frequency

uses frequency modulation

Term
phaseshift and voltage level is 
Definition
QAM
Term
amount of DS0 IN T1
Definition
24
Term
Means the same as T1
Definition
DS1
Term
kpbs in DS channel
Definition

64 kbps

128 for 2 DS0s

Term
No need for labels on these cables
Definition

Patch

Cross Connect

Term
whats faster? Optical carrier or T1
Definition
OPTICAL! yahooooooooooooo
Term
Your cable needs labeled. How far away should you label it and what type of label should you use?
Definition
within 6-12inches and mechanically generated
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