CCT4 Flashcards
What are benefits of a Key System (PBX)?
- Allows a group of phone stations to access a common set of phone lines
- Fewer business lines can be purchased
- Additional built in features such as music on hold and call transfer
This device enables operators to deliver * lines of telephony, tiered data and other advanced Internet Protocol services
eMTA
What is the wiring pattern for a 66 Block- Telco standard connecting block?
a. Lines in from the left and out to the right
b. lead with “Tip” at the top
c. Alternate “Tip” and “Ring”
d. Leave 1-3 feet of excess wire around block
In BCDV, it’s the interface between the eMTA and the 66/110 block demarc point
RJ-21X
Standard interface for connecting multiple line telephone equipment
RJ-21X
It’s used to avoid kinks and sharp bends on telecom equipment boards
Mushroom Spool
It uses internal modem to transmit sales transaction data using telephone lines.
P.o.S.
Point of Sale System
It’s Output is 48 VDC,50 Watts,
It has 18 Hour Backup with TM508 Idle,
and 8 Hour Backup with all 8 lines in use.
Local Power Supply Unit
The Large Plug on an 8 line eMTA that connects to the power supply.
Telemetry
What is the color sequence for the Telemetry Plug on an 8 line eMTA?
White-Brown-Blue-Orange-Green
It deletes unused channel and inserts local feed for subscription channel or other video feed such as cameras or promotional video loop/
Channel Deletion Filter and Combiner
Loads baseband signal onto standard video channel carrier. Can eliminate the need for multiple DCT’s.
Video Modulator
Connects to the combiner in the filter for local insertion of subscription channel
DCT
What is the demarcation point for Commercial Video?
Tap (if there is a tap in a communications room)
Groundblock (if there’s only a ground block at the site.)
Equipment from a Telephone Company, providing internet access to the customer
DSL Modem
Device that connects the customer’s
internal network to the Internet. Wireless
capability may be denoted by antennae on the device
Router
Device that acts as a focal point in
connecting multiple computers within one
Local Area Network (LAN).
Switch
“A managed hard drive connected to
a LAN that can be accessible by anyone
on the Internet as defined by a company’s
Network Administrator.
Network Attached Storage (NAS)
Similar to a 66 block, but provides
less interference and is also certified for
data networks
110 Punch Down Connecting Block
This is the LEC network interface
that supplies 1.54Mb/Sec symmetrical
data throughput.
T1
In its simplest form, it is an electronic message sent from one device to another.
A protocol used on the Internet for exchanging files
FTP
The customer must have a Comcast issued IP Gateway to receive this type of IP address
static
This type of IP address is visible to the public
routable
A descriptive name for an address or group of addresses on the internet
Domain Name
Internet service that locates and translates domain names into IP addresses
DNS
A location for passing data in and out of your computer
port
10.0.0.0 is an example of a _______ address.
Private IP
A unique number for each computer on a given network
IP Address
A temporary IP address is also called a(n) _________ IP address.
dynamic
An IP address that does not change.
static IP address
a system of computers,
peripherals, terminals, and databases connected by communications lines
Network
A geographically close set of computers connected on a single network and using the same communication device
LAN
It can be as small as a home network with 2 computers, or an
office with hundreds of computers that share access to printers, programs and a connection to the
internet.
LAN
A group of computers
geographically far apart, but are
connected.
WAN
Uses a public network, such as the internet, to establish a secure connection to an organization’s private network
VPN
A technique by which several hosts
or computers share a single IP
address for access to the Internet.
(NAT) Network Address Translation
This enables a LAN to use one set of IP addresses for internal traffic and a second set of addresses for external traffic, and provides a type of firewall by hiding internal IP addresses.
(NAT) Network Address Translation
Similar to NAT, but a more specific tool. It forwards requests for a particular IP port pair to another IP port pair
(PAT) Port Address Translation
This feature is commonly used on
publicly connected hosts to make
an internal service available to a
larger network.
(PAT) Port Address Translation
It is the concept of partitioning large networks into smaller segments.
Subnetworking, or subnetting
A portion of a network that shares a common address component..
Subnet
On TCP/IP networks, they are defined as all devices whose IP addresses have the same prefix
subnets
Look at this IP address. 150.215.017.009
What do the first two numbers (150.215) represent?
They define the network
Look at this IP address. 150.215.017.009
What do the last two numbers (017.009) represent?
They define a device or a particular host on the network
(the lowest in value) this IP address
encompasses the entire subnetwork.
Network IP
This IP address is used on customer’s equipment.
Routable IP
This address (the highest in value)- identifies all hosts/devices on the LAN.
Broadcast IP
This subnet is for customers with 1 Static IP (one static, publicly routable IP address)
/30 subnet
The /30 subnet mask is
255.255.255.252
How many IP addresses are in a /30 subnet mask?
4
This Subnet is for customers with five Static IPs (five static, publicly routable IP address)
/29 subnet
The /29 Subnet uses how many IP addresses?
8
The /29 subnet mask is
255.255.255.248
This Subnet is for customers with 13 Static IPs (13 static, publicly routable IP addresses)
/28
How many IP Addresses does a /28 Subnet use?
16
The /28 subnet mask is
255.255.255.240
This allows users to privately share information over public communication
VPN / Virtual Private Network
What are the two gateway configuration options for a customer with a VPN endpoint?
- Assign a Static IP to the customer’s device
2. Configure Port Forwarding on the IP Gateway
software/hardware used to prevent
unauthorized access from a computer system or network of
computer systems
Firewall
This allows a selected computer to bypass the firewall features of the gateway and permits unrestricted access from the Internet to that computer
DMZ (demilitarized zone)
This feature is commonly used for
gaming and videoconferencing –
applications that will not function
through NAT.
DMZ (demilitarized zone)
A utility to determine whether a
specific IP address is accessible. It
sends a packet to the specified
address and waits for a reply.
Ping
A utility that traces a packet from your computer to an Internet host, showing how many hops the packet requires to reach the host and how long each hop takes
Traceroute
What is the customer default username for on the Comcast Business Gateway?
cusadmin
What is the technician default username on the Comcast Business Gateway?
mso
MSO
Multi system Operator
allows you to direct inbound Internet traffic to connect to a specific application or computer within a private LAN via a predefined port
Port Forwarding
Provides the ability to dynamically open a specific inbound
port based on a request from a local computer or user.
Port Triggering
Allows you to open or close specific
inbound ports to connected computers or firewalls configured with a public
routable IP address (for use by static IP customers only).
True Static IP Port Management
Enables you to restrict specific local hosts from
accessing particular Internet applications
Port Blocking
the IP address that the gateway uses to
forward all traffic that is not addressed to a client within Comcast’s network.
Default Gateway
what is the address for the Comcast Business Gateway Login?
http://10.1.10.1
In regard to Comcast Business Voice, a serviceability check will consist of what two components?
- Serviceability of the location
2. E911 serviceability
What is the Demarcation point for Business Class Voice?
the 66 Block and/or the telephone jack on the eMTA to which the Customer’s telephone network is connected
What is occurring when all the
Front Panel LEDs are flashing?
Foreign voltage present on one
or more lines (or self-test
when starting up)
How do you know if one of the
telephone lines if off the hook?
The LED of the telephone line is
flashing
If Tel 7 is flashing slowly on an 8 line eMTA, about 1 flash per second, what does that indicate?
Line card Error
ATS
Advanced Technical Services
NGT
New Global Telecom (outsourced vendor)
TTS
Trouble Ticketing System
What is the MTTR for Business Class Voice customers?
4 hours
Customers can automatically distribute incoming calls to two or more extensions using which call feature?
Hunt Groups
Internet Phone services transmit phone calls over a
public network
5 Benefits of CT Champion Program to Comcast
- Faster learning curve for new, talented employees
- Reduced turnover
- Increased loyalty
- Increased employee productivity
- Creation of an innovative environment
Name 3 of the 5 traits of Visual Learners
- Learn through seeing
- Prefer to see the person speaking to them
- Think in pictures
- Like demonstrations and examples
- Take detailed notes
Name 3 of the 5 traits of Auditory Learners
- Learn by listening
- Prefer discussion groups
- Pay close attention to voice
- Like information to be read aloud
- Like to ask questions and paraphrase
Name 3 of the 5 Traits of Tactile Learners
- Learn by moving, doing and touching
- Prefer a hands-on approach
- Like to experiment
- Can become easily distracted
- Like to experience new things for themselves
5 steps to minimize anxiety
- Remember that the audience is your friend
- Memorize the most important parts of what you’ll say
- Practice positive self-talk
- Breath
- Check Your appearance
What are the four components of the human voice?
- Rate
- Volume
- Force
- Pitch
Good eye control serves what 2 purposes?
- It tells the listener something about you
2. It allows you to learn something about the listener
The Six Key Techniques to Selling
- Build rapport
- Ask questions
- Listen
- Position the product
- Communicate the benefits
- Ask for the sale
It works by separating successive pictures into two types of video information- that which stays the same from picture to picture, and that which changes from picture to picture
Digital compression
A device or software that enables compression and or decompression for digital video
video codec