CH10- WAN and Cloud Computing

Question 1

A high speed packet-switching technology that uses connection oriented switches

Answer 1

ATM (Asynchronous transfer mode)

Question 2

Continuous sine wave

Answer 2

Analog signal

Question 3

An ISDN that consists of 2 64 kbps B-channels and one 16 kbps D-channel used for remote connections

Answer 3

BRI (Basic rate interface)

Question 4

Creates a digital signal between a LAN and the service provider

Answer 4

CSU/DSU (Channel/data service unit

Question 5

Temporary dedicated connection between sender and receiver on demand

Answer 5

Circuit switched WAN

Question 6

Networking model where data is managed by servers paying for the service by what is used

Answer 6

Cloud computing

Question 7

Guaranteed minimum transmission rate

Answer 7

CIR (Committed info rate)

Question 8

Equipment the customer is responsible for

Answer 8

CPE (Customer premise equipment)

Question 9

Device that sends data to/from the last mile. Usually the csu/dsu or modem

Answer 9

DCE (Data circuit-terminating equipment)

Question 10

Passes data from the customer LAN to the DCE, usually a router.

Answer 10

DTE (Data terminal equipment)

Question 11

Location in the cable plant where the WAN connection is made and third party’s equipment and responsibility begins.

Answer 11

Demarcation point

Question 12

Windows software component, setting up an RRAS server or connecting ISP’s for dial up internet

Answer 12

DUN (Dial up network)

Question 13

A binary square wave signal

Answer 13

Digital signal

Question 14

Describes a T-carrier line where portions are dedicated for different purposes

Answer 14

Fractionalized

Question 15

PVC packet switching tech for WAN communication where error checking is done on end point devices for improved speed

Answer 15

Frame relay

Question 16

Cloud computing where a company can use a providers storage or virtual service

Answer 16

IaaS (infrastructure as a service)
“hosted infrastructure”

Question 17

Digital WAN tech to replace phones that defines communication channels of 64 kbps and used by SOHO users (Small office/home office)

Answer 17

ISDN (Integrated services digital network)

Question 18

Connection between a WAN’s demarcation point and the central office of the provider - the “last mile”

Answer 18

Local loop

Question 19

Device that converts digital to analog and back for transmission over phone lines

Answer 19

Modem

Question 20

Simultaneous communication links over the same cable

Answer 20

Multiplexing

Question 21

Data is transmitted in frames or packets where each packet is transmitted independently through the service providers network

Answer 21

Packet-switched

Question 22

Pathways between points that are permanent logical connections and exist even when not in use

Answer 22

Permanent virtual connection

Question 23

Host platform: cloud computing where the customer develops applications using the providers infrastructure. Delivered to the customer from the provider’s servers

Answer 23

PaaS (Platform as a service)

Question 24

Remote access protocol that supports many other many other protocols.
And, is used to carry data over variety of connections

Answer 24

PPP (Point to point protocol)

Question 25

An ISDN that consists of 23 64 kbps B-channels and one 64 kbps D-channel

Answer 25

Primary Rate Interface

Question 26

Private is delivered to own employees. Public is delivered by third party

Answer 26

Private/Public cloud

Question 27

Connector for terminating a T1 line with diagnostic testing features for trouble shooting

Answer 27

Smart jack -

Question 28

Hosted applications: Cloud computing where customers pay to use applications on the providers network

Answer 28

SaaS (Software as a service) - “Hosted Applications”

Question 29

A communication circuit that opens when needed and terminated when done.

Answer 29

SVC (Switched virtual circuits)

Question 30

Fault-tolerant tech that can carry different capacity signal fiber-optics.
Defines carrier levels for incrementally increasing data rates over varieties of physical topologies

Answer 30

SONET (Synchronous Optical Network)

Question 31

Communication lines with separate trans and receive lines using TDM signaling method making it possible to make channels for particular purposes

Answer 31

T-carrier lines

Question 32

TDM signaling method that that allocates time slots per channel transmitting multiple channels “streams” on one medium

Answer 32

TDM (Time division multiplexing)

Question 33

A logical connection created between two devices in a shared network with allocated bandwidth for a specific transmission path

Answer 33

Virtual circuit

Question 34

A packet switching tech that can run on old copper lines and runs on SVC networks

Answer 34

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