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cct jep
study guid for comtechs
223
Other
Pre-School
08/25/2010

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Cards

Term
FIFO
Definition
First in First out
Term
DQI
Definition
Digital Quality Index
Term
what are the four types of IP's
Definition

*NETWORK

*ROUTABLE

*GATEWAY

*BROADCAST

Term
what are the two reasons you wear saftey glasses
Definition

left eye

&

right eye

Term
CODEC
Definition

Compersion

Decrompersion

Term
What is ECD
Definition
Earth Crust Displacment
Term
QAM
Definition

Quadrature

Amplitude

Modulation

Term
Name the bands used by most cable systems
Definition

Sub

Low

High

Mid

Super

Hyper

Term
Who launched the first commercial satellite?
Definition

Western Union (1974)

(satcom 1 was the second)

Term
CBN was the forerunner of this
Definition
The Family Channel
Term
March 6 1999: HBO began HDTV satellite broadcasting with this movie:
Definition
U.S. Marshall's
Term
AGC
Definition
Automatic Gain Control
Term
FDM
Definition
Frequency Division Multiplexing
Term
IRD
Definition
Integrated Reciever Decoder
Term
SAS
Definition
Service Agent Software
Term
CSG
Definition
Cable Services Group
Term
CAE
Definition
Customer Account Executive
Term
What is a CHN gateway?
Definition
A modem router combo unit
Term
what are the HSI Minimun requirements?
Definition

300MHz, 150MBB Hard Drive,

64MB RAM(98se, ME, NT, 2000)

128MBRAM for XP

Term
BNC
Definition
British Naval Connector
Term
LNC
Definition
Low Noise Converter
Term
VITS
Definition
Vertical Interval test Signal
Term
NTSC Depth of Modulation is?
Definition
87.5%
Term
Hum
Definition
A measurement of the low Frequency AM distortion of an RF carrier.
Term
CSO
Definition
Composite Second Order
Term
The binary number 10110110=what number
Definition
182
Term
Most off air-air antenna is freqency specific?
Definition
Yagi
Term
Most off-Air Antennas fall within these two categories:
Definition
Yagi and Log Periodic
Term
A theoretical antenna's in free space is....
Definition
Isotropic antenna
Term
A common AML microwave distance path is..
Definition
25 Miles
Term
Coaxial Cable color used for sweep and alignment equipment
Definition
Green
Term
Rose Colored Headend cable is used for what?
Definition
EAS
Term
EAS
Definition
Emergency Alert System
Term
TV Video IF is:
Definition
45.75 MHz
Term
The LO (Local Oscillator) frequency of 113 MHz is for this channel.
Definition

Channel 4

(67.25 + IF 45.75 = LO 101)

Term
VIR
Definition
Vertical Interval Reference
Term
A good bond should have less then ____Ohms to the ground.
Definition
25Ohms
Term
What year did HBO launched satellite services?
Definition

1975

(Microwave services in 1973)

Term
What was the Emergency Alert(Broadcast) System prior to its current tittle?
Definition
Conelrad
Term
Nickelodeon was once known as....
Definition
The Pinwheel Channel
Term
RBW
Definition
Resolution Band Width
Term
Comm Satellites orbit is about how many miles above the earth.
Definition
22,300
Term
AML
Definition
Amplitude Modulated Links
Term
10 to the twelfth power is termed this:
Definition
Tera
Term
NTSC
Definition
National Television StandardsCommittee
Term
The NTSC standard has a fixed vertical resolution of this?
Definition
525 lines of resolution
Term
In 1976, the FCC reserved this line for closed Captioning.
Definition
line 21
Term
Most common TVRO
Definition
Prime Focus
Term
C-band downlink frequencies
Definition
3.7 to 4.2 GHz
Term
MPEG
Definition
Moving Pictues Experts Group
Term
I - Picture
Definition

Intra - Coded Picture

(Single compressed Picture that contains all spatial information of a video picture)

Term
P-Picture
Definition

Predictive Picture

(Computed Based on nearest I or P pic.  More compressed then I - pic and provide refernce calculation of B - pic)

Term
B - Pictures
Definition

Bi - Directional Pictures

Uses both past and sbubsequent pics as a reference to calculate the compressed picture later.

Term
DTCP
Definition
Digital Transmission Content Protection
Term
CA
Definition
Conditional Access
Term
HTiB
Definition
Home Theater in a Box
Term
Direct - View TV
Definition
CRT
Term
What are the 4 actions of a Virus
Definition

Replication

Event watching

Camoflage

Delivery

Term
How many Phase States are possible with QPSK and QAM?
Definition
4
Term
What are the phasse shifted points in QPSK?
Definition

45 deg

135 deg

225 deg

315 deg

Term
QAM
Definition
Quadrature Amplitude Modulation
Term
CSO
Definition
Composite Second Order
Term
What is the Forward Path Freq range?
Definition
50mhz - 1Ghz
Term
What is the return path Freq rang?
Definition
5Mhz - 42Mhz
Term
Hum presents as a ____ bar or bars
Definition
Horizental
Term
QPSK
Definition
Quadature Phase Shift Keying
Term
SNR
Definition
Signal to Noise Ratio
Term
NPR
Definition
Noise to Power Ratio
Term
What is the beat Threshold?
Definition
57db below the carrier
Term
MER
Definition
Modulation Error Ratio
Term
FEC
Definition
Forward Error Correction
Term
BER
Definition
Bit Error Rate
Term
POP
Definition
Proof of performance
Term
How many proof of performance tasts are there?
Definition
12
Term
What is the funneling Effect?
Definition
Problems in the return path compounding to create a strong interference.
Term
FDM
Definition
Frequency Division Multiplexing
Term
MOCA
Definition
Multimedia Over Coax Allience
Term
What are the four main types of Virises
Definition

Executable

E-Mail

Warm

Trojain Horse

Term
Name the 3 main types of Firewall rules.
Definition

Packet filtering

Proxy

Stateful Inspection

Term
MPOE
Definition
Minimum Point of Entry
Term
Signal Leakage Limit at 30 Meters
Definition
15mv per-meter
Term
Signal Leakage limits @ 3 meters
Definition
20mv per meter
Term
What is the most common cause a leading ghost?
Definition
Ingress is the most common cause.
Term
which side does a leading ghost apear?
Definition
Right side.
Term
what causes a following ghost?
Definition
Reflection
Term
where does a following ghost apear?
Definition
to the left
Term
thermal noise
Definition
random electron activity due to temperature changes.
Term
CNR
Definition
Carrier to noise Ratio
Term
What is the CNR Formula?
Definition

59.2(thearetical noise floor)

+

Desired Input

-

Amp Noise Figure

Term
XMOD
Definition
Crossing modulation from one channel to another
Term
how does XMOD manifest itself?
Definition
Vertical Bars
Term
CTB
Definition
Composite Triple Beat
Term
LPSU
Definition
Local power supply unit
Term
C-RAN
Definition
Converged Regional Area Network
Term
LCFD
Definition
Liquid Crystal Front Display
Term
LCoS
Definition
Liquid Crystal over Silicon
Term
FQDN
Definition
Fully Qualified Domain Name
Term
What does a power diplexer do?
Definition

seperates or combines the AC currents into two parts, the AC Power

&

RF Signal

Term
 what does a Diplex Filter do?
Definition
seperates forward and return RF
Term
What are the 9 characteristics of a positive rolemodel?
Definition

Compassion

Works through challenges

Committed

High stanards

Courage & strength

Humility

Trustworthy

Wise

Admits when wrong

Term
OJT
Definition
on the job training
Term
CODEC
Definition

Compression/

Decompression

Term
ACP
Definition
Analog Copying and Piracy
Term
Name all 4 components of using your voice effectively.
Definition

Rate

Volume

Force

Pitch

Term
List the 6 Techniques for selling in order
Definition

Build a Rapport

Ask questions

Listen

Position Products

Commynicate Benifits

Ask for the sale

Term
Tactile learning style is also known as what?
Definition
Kinesthetic
Term
What is the crossover Freq of an RF Diplex Filter
Definition
47.5MHz
Term
What is the power output of the Local PSU to an eMTA
Definition
48v dc
Term
NAT
Definition
Network Address Translation
Term
What does NAT do?
Definition
Allow several PC's to use a single IP to access the internet.
Term
What is the purpose of a subnet address?
Definition
To help route Traffic
Term
10.1.25.125 is an example of what type of IP?
Definition
Private
Term

255.255.255.240

denotes how many static IP's?

Definition
13
Term
What is the porpose of AGC
Definition
Compensates for signal flux due to changing temp
Term
what is the purpose of the gaurd band around channels    5 &6?
Definition
To prevent beats from falling near channel 40
Term
FDM
Definition
Frequency Division Multiplex
Term

what does a FDM do

(Frequency Division Multiplex)

Definition
Allows us to select individual channels on a single cable by their unique Frequency
Term
WHat is the Primary source of HUM?
Definition
Power passing Chokes
Term
What is the FCC Min for the analog siginal at a customer Terminal?
Definition
0 dBmV
Term
What IP could you use to test your TCP/IP configuration
Definition
127.0.0.1
Term
Where in a network does a hardware firewall go?
Definition
Between you PC and th Internet
Term
How many pictures are in a "group"
Definition
12
Term
Where is the D-mark in BCV?
Definition
Tap or Ground Block
Term
what are mushroom spools for?
Definition
to prevent sharp bends or kink
Term
What is the purpose of a PBX system?
Definition
Allows groups of phones to connect to a lesser # of common Lines
Term
What is the range of 802.11A
Definition
25-75ft
Term
DCT
Definition
Digital Consumer Terminal
Term
List colors L to R for an RJ-45 tab down.
Definition

Green White

Green

Orange White

Blue

Blue White

Orange

Brown White

Brown

Term
what is RJ31x used for?
Definition
Security system inteface
Term
Space + Visibility = ?
Definition
Time
Term
what is the rule for determining the proper following distance?
Definition
3-4 second rule
Term
how much time do you add to your following distance for each adverse weather condition?
Definition
2 more seconds
Term
How many cones must be on a service vehicle
Definition
7
Term
how many cones must be on a lift truck?
Definition
13
Term
when properly adjusted a hard hat can absorb approximately.
Definition

                                    75%

Term
ANSI Safty Glasses
Definition
Z87.1
Term
What is the number 1 cause of injuries?
Definition
slips, trips and falls.
Term
What is the ANSI standards
Definition
Z89.1
Term
UDP
Definition

User Datagram Protocol

Term
What are the standard for the heel of a comcast aproved work boot?
Definition

must meet sole at 90 deg

&

be at least 3/4 of an inchand never less then 1/2 inch

Term
*73
Definition
Cancel call forwarding
Term
*77
Definition
Activate Anonymous Call Rejection
Term
*87
Definition
Cancel Anonymous call rejection
Term
What is the only use for a chainsaw allowed at comcast?
Definition
to top a pole
Term
When is a comcast employee Required toadminister first aid?
Definition
Never
Term
Name the four thing that must be inspected daily on a Lift truck.
Definition

Hydraulic leaks

loose or missing bolts

Tires

Controls

Term
NESC
Definition
National Electrical Safty Code
Term
ANSI
Definition
American National Stanards Institute
Term
AWG
Definition
American Wire Gauge
Term
CDV
Definition
Comcast Digital Voice
Term
CPE
Definition
Cusomer Premises Equipment
Term
DOCSIS
Definition
Data Over Cable Service Interface Specification
Term
FVD
Definition
Foreign Voltage Detector
Term
GHz
Definition

Giga Hertz

(1 billion Hertz)

Term
dBmV
Definition

Unit of RF signal strength

- decibel - millivolt -

Term
MHz
Definition

Mega Hertz

(1 million Hertz)

Term
MTA
Definition
Media Terminal Adapter
Term
NEC
Definition
National Electrical Code
Term
OSHA
Definition

Occupational Safety and Health Administration

Term
PE cable jacket
Definition
Polyethylene cable jacket
Term
PoE
Definition
Point of Entry
Term
PoE Filter
Definition
Point of Entry Filter
Term
QR
Definition
Quantum Reach
Term
RTV
Definition
Room Temperature Vulcanizing
Term
SIK
Definition

Self Install Kit

 

Term
VOM
Definition
Volt-o-Meter
Term
XOC
Definition
eXcellence in Operations Center
Term
ANSI/SCTE 01 2006
Definition
Speification for "F" Port, Female, Outdoor
Term
ANSI/SCTE 02 2006
Definition
Specification for "F" Port, Female, Indoor
Term
ANSI/SCTE 74 2003
Definition
Specification for Braided 75 Ohm Flexable RF Coaxial Drop Cable
Term
ANSI/SCTE 129 2007
Definition

Drop passives: Bonding Blocks

(without Surge Protection)

Term
ANSI/SCTE 153 2008
Definition

Drop Passives:

Splitters

Couplers

&

Power Inserters

Term
ANSI/SCTE 161 2009
Definition
Drop Amplifiers
Term
All passive and active equipment should support a forward bandwidth of ___to___MHz
Definition
54 to 1,002
Term
All passive and active equipment should support a return bandwidth of ___to___MHz
Definition
5 to 42
Term
What ANSI/SCTE requirements must Drop Amplifiers meet?
Definition
ANSI/SCTE 161 2009
Term
All F-ports must have a non-threaded area at the base of the port to accommodate what?
Definition
Weatherproofing Devices
Term
The Bonding Wire attachment must accommodate wire sizes from ____ to _____ AWG solid copper.
Definition

#6 to #14

Term
Cables used for RF signal distribution in all new installations must be a minimum size of Series 6 with a minimum Foil-Braid-Foil, tri-shield configuration that includes a bonded innner foil tape and at least ___ braid coverage.
Definition
77%
Term

F-81

more commonly called

Definition
Barrel
Term
All connections, EXCEPT those on customer Premises Equipment (CPE), must be wrench tightened to _____
Definition
30 to 35 inch-pounds
Term



what requirements must


aerial drops meet

Definition
Article 820 of the NEC
Term
Series-6 drop cable must be used for all aerial drops up to  ____ft long
Definition
150
Term

What is the drop Clearance from power in these locations:

At the pole

Mid-Span

&

at the house

Definition

at the pole 40 inches

at the mid-span 24 inches

at the house 12 inches

Term

What is the drop Clearance from Phone or other Telecomm providers in these locations:

At the pole

Mid-Span

&

at the house

Definition

at the pole 12 inches

at the mid-span 6 inches

at the house 6 inches

Term
What is the drop clearance over roads, streets allys, Nonresadential driveways, parkinflots and othre areas subject to truck traffic?
Definition
18 feet
Term
What is the drop clearance over Residential driveway subject to truck traffic
Definition
15.5 feet
Term
What is the drop clearance over Residential driveways not subject to truck traffic or where attachment to the structure does not permit service drops to meet the 15.5 foot clearance.
Definition
11.5 feet
Term
What is the drop clearance over sidewalks or other pedestrain traffic areas?
Definition
10 feet
Term
What is the drop clearance over a not accessible roof?
Definition
3 feet
Term
What is the drop clearance over a flat roof?
Definition
10.5 feet
Term
How big of a space must be maintained from the center of the pole, for climbing, at all times.
Definition
30-inch square
Term
All underground drops must meet the requirements of what Article of the NEC?
Definition
820
Term

Drop cable must be fastend to a house every

___to___ inches.

Definition
18 to 24
Term
A drip loop on a house must never exeed ____degrees.
Definition

270 degrees

(NEVER 360)

Term
What Article of the NEC Deals with the Grounding of Aerial and underground drops.
Definition
NEC Article 820
Term
When grounding a Series-6 drop what AWG wire should be used?
Definition
# 12 AWG
Term
When grounding a Series-11 or QR-320 drop what AWG wire should be used?
Definition
# 10 AWG
Term
The Length of a ground wire must never exceed ___ft.
Definition
20 Feet
Term
What is the minimum Distance allowed between an Electrical outlet and a F-81 Wall Plate?
Definition
6 inches
Term
The minimum RF signal level of indivdual forward analog video carriers at any wired outlet inside the home must never be lower then ______per carrier.
Definition
0 dBmV
Term
The maximum RF signal level of indivdual forward digital QAM  carriers at any wired outlet inside the home must never be lower then ______per carrier.
Definition
+10 dBmV
Term
The minimum RF signal level of indivdual forward Digital QAM carriers at any wired outlet inside the home must never be lower then ______per carrier.
Definition
-8 dBmV
Term
What are the five Key Facts that describe how Adults learn.
Definition

Variety

Brevity

Experience

Self-Discovery

Relevance

Term
What are the three Adult learning styles?
Definition

Visual

Auditory

Tactile (kinesthetic)

Term
MPEG-1
Definition
Video CD's
Term
MPEG-2
Definition

DVD

CATV

HDTV

Term
MPEG-4
Definition

Internet streaming

Video on cell phones

Interactive TV

Term
What are the 3 kinds of encoded pictures (frames) in a MPEG Video Sequence
Definition

I - Pictures

P - Pictures

B - Pictures

Term
DCTP
Definition
Digital Transmission Content Protection
Term
CA
Definition
Conditional Access
Term
HTIB
Definition
Home Theater In a Box
Term
What are the four 802.11 Wireless Standards?
Definition

802.11b

802.11a

802.11g

802.11n

Term
Name four main security threats to a PC.
Definition

Virus

Spyware

Spam

Hackers

Hijacking

Phishing

Cookies

Term
What are some of the Pieces of information a spyware program might collect?
Definition

Credit Card #

Web History

Usernames

Passwords

Term
what are the three main types of firewall rules?
Definition
Packet Filtering
Proxy
Stateful Inspection
Term
What is the feature that allows our fast CHSI connection to get even faster?
Definition
PowerBoost
Term
What is the minimum requirement for memory with CHSI?
Definition
256MB
Term
What troubleshooting utility can you use in order to determine the computers IP, and reset the address if the computer cannot connect to the Internet.
Definition
IPConfig
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