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VSNL Western Europe Wiki2Web Clarity Challenge

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Study Guide: VSNL Western Europe: Submarine Cable System Overview

Cheat Sheet:
VSNL Western Europe: Submarine Cable System Overview Study Guide

System Identification and History

The VSNL Western Europe system was previously identified by the designation TGN Atlantic.

Answer: False

Explanation: The available information indicates that the system was previously known as TGN Western Europe, not TGN Atlantic.

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The information presented regarding the VSNL Western Europe system is derived from a 2004 presentation delivered by AT&T.

Answer: False

Explanation: The source material indicates the information originates from a 2004 presentation by Tyco Telecommunications, not AT&T.

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The mention of Tyco Telecommunications implies that the system was initially operated under the umbrella of the Tyco Global Network (TGN).

Answer: True

Explanation: The involvement of Tyco Telecommunications suggests the system was operated as part of the Tyco Global Network (TGN) during its earlier phase.

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A transition in nomenclature from TGN Western Europe to VSNL Western Europe likely signifies a modification in the system's ownership or management structure.

Answer: True

Explanation: A change in the name of a telecommunications system typically reflects shifts in ownership, operational control, or corporate rebranding.

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The presence of a 'stub' notice signifies that the article concerning the VSNL Western Europe system provides a comprehensive technical specification overview.

Answer: False

Explanation: A 'stub' notice indicates an article is brief and potentially incomplete, suggesting it could be expanded, rather than signifying a comprehensive overview.

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It is probable that VSNL assumed operational control of the network formerly managed by Tyco Telecommunications.

Answer: True

Explanation: The current name VSNL Western Europe, coupled with the historical reference to Tyco Telecommunications and TGN, strongly suggests VSNL took over operations.

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TGN Western Europe represents the current operational designation for the VSNL Western Europe system.

Answer: False

Explanation: TGN Western Europe is the former name; VSNL Western Europe is the current designation.

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What was the prior designation of the VSNL Western Europe cable system?

Answer: TGN Western Europe

Explanation: The system was previously known as TGN Western Europe before being renamed VSNL Western Europe.

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Upon what source material is the information presented regarding the VSNL Western Europe system predicated?

Answer: A 2004 Tyco Telecommunications presentation

Explanation: The information is derived from a 2004 presentation by Tyco Telecommunications concerning the Tyco Global Network (TGN).

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What is the probable cause for the name transition from TGN Western Europe to VSNL Western Europe?

Answer: A rebranding due to a change in ownership or management.

Explanation: A name change typically signifies a rebranding event, often associated with alterations in ownership or management of the telecommunications network.

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What is the established relationship between the TGN network and the VSNL Western Europe system?

Answer: The VSNL Western Europe system was formerly part of or known as the TGN Western Europe network.

Explanation: The VSNL Western Europe system was previously identified and operated under the name TGN Western Europe.

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Network Infrastructure and Geography

The VSNL Western Europe system comprises exclusively submarine cables traversing the Atlantic Ocean.

Answer: False

Explanation: The system includes both submarine cables laid across the ocean and terrestrial segments connecting points on land.

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The VSNL Western Europe system's connectivity is limited exclusively to locations within the Iberian Peninsula.

Answer: False

Explanation: The system connects locations across Western Europe, including points in the Iberian Peninsula (Portugal and Spain) and the United Kingdom.

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The VSNL Western Europe system comprises a total of three distinct submarine cable segments.

Answer: False

Explanation: The system is constructed using two separate submarine cables, not three.

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The initial submarine cable segment establishes a direct connection between Seixal, Portugal, and Bilbao, Spain.

Answer: False

Explanation: The first submarine cable connects Seixal, Portugal, to Highbridge, United Kingdom. Bilbao, Spain, is a landing point for the second submarine cable.

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Highbridge, Somerset, functions as a landing point for both submarine cable segments comprising the VSNL Western Europe system.

Answer: True

Explanation: The data confirms that Highbridge, United Kingdom, serves as a landfall location for both of the system's submarine cables.

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The second submarine cable segment establishes a link between Highbridge, United Kingdom, and Lisbon, Portugal.

Answer: False

Explanation: The second submarine cable connects Bilbao, Spain, to Highbridge, United Kingdom. Lisbon is involved in the terrestrial interconnection, not the submarine route of the second cable.

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Terrestrial cable infrastructure interconnects the landing points at Seixal, Portugal, and Bilbao, Spain, utilizing routes that traverse Madrid and Lisbon.

Answer: True

Explanation: The terrestrial network connects Seixal and Bilbao via terrestrial routes that include Lisbon and Madrid.

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The terrestrial connection originating from the Highbridge, United Kingdom, landing point extends directly to Dublin, Ireland.

Answer: False

Explanation: The terrestrial connection from Highbridge leads to London, United Kingdom, not Dublin, Ireland.

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Highbridge, Somerset, holds primary significance as a terrestrial hub facilitating connections to inland urban centers.

Answer: False

Explanation: Highbridge's primary significance lies in its role as a critical landfall location for the submarine cables, serving as an entry/exit point for data traffic, rather than solely a terrestrial hub.

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The integration of both submarine and terrestrial segments implies that the system exclusively facilitates international connectivity.

Answer: False

Explanation: The inclusion of terrestrial segments allows the system to provide both international connectivity (via submarine cables) and inland network extension, connecting cities and data centers.

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The terrestrial link extending from Highbridge to London is designed to divert data traffic away from major network hubs.

Answer: False

Explanation: The terrestrial link from Highbridge to London is intended to integrate data into London, a major telecommunications hub, not to move it away.

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The submarine segments of the VSNL Western Europe system establish a direct linkage between Spain and Portugal.

Answer: False

Explanation: The submarine segments directly link Portugal to the UK and Spain to the UK; they do not directly link Spain and Portugal.

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Lisbon and Madrid are identified as pivotal terrestrial connection points within the VSNL Western Europe network.

Answer: True

Explanation: Lisbon and Madrid are indeed mentioned as key locations on the terrestrial routes interconnecting the submarine cable landing points.

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One of the submarine cable segments makes landfall within the Basque region of Spain.

Answer: True

Explanation: The submarine cable lands in Bilbao, which is located in the Biscay province, a part of the Basque Country region of Spain.

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The Highbridge landing point serves to connect the United Kingdom's national network to the submarine cable system.

Answer: True

Explanation: Highbridge acts as the crucial landfall point in the UK, connecting the international submarine cable system to the national telecommunications network.

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A single submarine cable may feature multiple landing points to enhance system redundancy and resilience.

Answer: True

Explanation: Designing a submarine cable with multiple landing points is a strategy to improve system resilience and redundancy.

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What categories of infrastructure constitute the VSNL Western Europe system?

Answer: Submarine and terrestrial cables

Explanation: The VSNL Western Europe system is composed of both submarine cables laid underwater and terrestrial cables connecting land-based locations.

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What is the total number of submarine cables constituting the VSNL Western Europe system?

Answer: Two

Explanation: The VSNL Western Europe system is composed of two distinct submarine cable segments.

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Which specific locations are interconnected by the primary submarine cable segment of the VSNL Western Europe system?

Answer: Seixal (Portugal) and Highbridge (UK)

Explanation: The first submarine cable connects Seixal, Portugal, directly to Highbridge, United Kingdom.

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Which specific locations are interconnected by the secondary submarine cable segment of the VSNL Western Europe system?

Answer: Bilbao (Spain) and Highbridge (UK)

Explanation: The second submarine cable connects Bilbao, Spain, to Highbridge, United Kingdom.

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By what means are the submarine cable landing points at Seixal, Portugal, and Bilbao, Spain, interconnected terrestrially?

Answer: Via terrestrial routes passing through Lisbon and Madrid

Explanation: The terrestrial interconnection between Seixal and Bilbao utilizes routes that traverse Lisbon and Madrid.

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What is the ultimate destination of the terrestrial cable originating from the Highbridge landing point?

Answer: London

Explanation: The terrestrial cable extending from the Highbridge landing point connects to London, United Kingdom.

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What constitutes the primary significance of Highbridge, Somerset, within the operational framework of the VSNL Western Europe network?

Answer: It serves as a critical landfall location for both submarine cables.

Explanation: Highbridge's primary importance lies in its function as a critical landfall location for both submarine cable segments, facilitating data ingress and egress for the UK.

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Which specific geographical region within Spain is identified as a landing point for one of the submarine cable segments?

Answer: Biscay

Explanation: The Biscay region of Spain, specifically the city of Bilbao, is mentioned as a landing point for one of the submarine cables.

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Which nations are directly interconnected by the submarine segments of the VSNL Western Europe system?

Answer: Portugal and the UK

Explanation: The submarine segments of the VSNL Western Europe system directly connect Portugal with the United Kingdom, as well as Spain with the United Kingdom.

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What is the rationale behind designing a submarine cable system with multiple landing points, exemplified by the Highbridge location?

Answer: To enhance system resilience and redundancy.

Explanation: Designing a submarine cable with multiple landing points enhances the system's overall resilience and redundancy, providing alternative routes in case of failure.

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Technical Parameters and Capacity

Each submarine cable segment within the VSNL Western Europe system incorporates precisely 4 fiber pairs.

Answer: True

Explanation: The technical specifications indicate that each cable is equipped with 4 fiber pairs.

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At its inception, each fiber pair in the VSNL Western Europe system was designed to support 960 distinct waves, each transmitting at 10 Gbit/s.

Answer: False

Explanation: The documentation specifies that each fiber pair was initially capable of supporting 96 waves, not 960, operating at 10 Gbit/s each.

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The aggregate lit capacity of the VSNL Western Europe system upon its completion was approximately 3.84 Terabits per second (Tbit/s).

Answer: True

Explanation: The system's total lit capacity at construction is documented as 3,840 Gbit/s, which is equivalent to 3.84 Tbit/s.

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The stated figure of 3,840 Gbit/s denotes the theoretical maximum capacity of the system, rather than its initially lit capacity.

Answer: False

Explanation: The documentation specifies that 3,840 Gbit/s represents the total *lit* capacity upon completion, not the theoretical maximum.

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The initial transmission speed of 10 Gbit/s per wave was regarded as a low capacity for the era in which the system was deployed.

Answer: False

Explanation: A speed of 10 Gbit/s per wave was considered a high-capacity data transmission rate during the period of the system's initial deployment.

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The computation of the initial 'lit capacity' implies that the system possesses a total potential capacity exceeding this figure.

Answer: True

Explanation: Calculating the initial 'lit capacity' suggests that the installed infrastructure has the potential for future upgrades or activation of dormant capacity, leading to a higher total potential capacity.

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What is the number of fiber pairs incorporated into each cable segment of the VSNL Western Europe system?

Answer: 4

Explanation: Each submarine cable segment within the VSNL Western Europe system contains precisely 4 fiber pairs.

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Determine the total initial lit capacity of the VSNL Western Europe system.

Answer: 3,840 Gbit/s

Explanation: The total lit capacity of the VSNL Western Europe system at its construction was calculated to be 3,840 Gbit/s.

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What does the capacity metric of 3.84 Terabits per second (3,840 Gbit/s) signify in relation to the system?

Answer: The total data transmission capacity upon completion

Explanation: This figure represents the total data transmission capacity of the system at the time of its completion.

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Operational Status and Classification

Based on the Navbox classification, the VSNL Western Europe system is categorized as a decommissioned submarine cable.

Answer: False

Explanation: The Navbox classification designates the VSNL Western Europe system as 'Operational or future,' not decommissioned.

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The classification 'Operational or future' implies that the cable system is presently active or slated for future deployment.

Answer: True

Explanation: This classification accurately suggests that the cable system is either currently operational or is planned for future service.

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The Navbox classification categorizes VSNL Western Europe within the domain of 'Submarine communications cables in the Mediterranean Sea.'

Answer: False

Explanation: The Navbox classification places VSNL Western Europe under 'Submarine communications cables in the Atlantic Ocean,' not the Mediterranean Sea.

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As per the referenced Navbox classification, how is the VSNL Western Europe system categorized?

Answer: Operational or future submarine cable in the Atlantic Ocean

Explanation: The Navbox classification designates the VSNL Western Europe system as an 'Operational or future submarine cable in the Atlantic Ocean.'

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Strategic Importance and Functionality

Terrestrial interconnections serve to extend the operational reach of submarine cable systems inland, connecting to major urban centers and data processing facilities.

Answer: True

Explanation: Terrestrial links are crucial for extending the capacity of submarine systems inland to key locations such as cities and data centers.

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Submarine cable systems are principally deployed for short-distance communication within urban environments.

Answer: False

Explanation: Submarine cable systems are designed for long-distance, intercontinental data transmission, forming the backbone of global telecommunications, not for short-distance intra-city links.

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The interconnection of Portugal, Spain, and the United Kingdom holds negligible strategic importance for European digital infrastructure.

Answer: False

Explanation: Connecting these nations is strategically vital for European digital infrastructure, facilitating high-speed data exchange and supporting commerce and communication.

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The primary function of the VSNL Western Europe system is to establish connectivity between Europe and North America.

Answer: False

Explanation: The system's primary function is to connect locations within Western Europe, facilitating data exchange between countries like Portugal, Spain, and the UK, rather than primarily connecting Europe to North America.

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The VSNL Western Europe system furnishes a physical infrastructure for the transmission of substantial data volumes among European nations.

Answer: True

Explanation: The system provides a critical physical pathway for transmitting large data volumes, enhancing connectivity between European countries.

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The VSNL Western Europe system exhibits technological parity with a purely terrestrial network, with the sole distinction being the transmission distance.

Answer: False

Explanation: The VSNL Western Europe system is technologically distinct from purely terrestrial networks due to its incorporation of submarine cables, which enable transoceanic connectivity, a capability terrestrial networks lack.

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The VSNL Western Europe system is likely to impede internet connectivity between the United Kingdom and the Iberian Peninsula.

Answer: False

Explanation: By providing direct links between the UK and the Iberian Peninsula, the VSNL Western Europe system enhances, rather than hinders, internet connectivity between these regions.

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What is the principal objective of the terrestrial interconnections integrated into the VSNL Western Europe system?

Answer: To connect inland cities and data centers, extending the network's reach.

Explanation: The primary purpose of terrestrial interconnections is to extend the network's reach inland, connecting major cities and data centers to the submarine cable infrastructure.

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What is the fundamental purpose served by submarine communications cable systems, such as the VSNL Western Europe network?

Answer: To transmit vast amounts of data across oceans, connecting continents.

Explanation: The fundamental purpose of submarine cable systems is to transmit vast quantities of data across oceans, thereby connecting continents and forming the backbone of global telecommunications.

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What is the strategic significance of the VSNL Western Europe system in linking the Iberian Peninsula and the United Kingdom?

Answer: It enhances high-speed data exchange and supports commerce and communication.

Explanation: The connection is strategically important for enhancing high-speed data exchange, thereby supporting international commerce and communication between these key European regions.

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In what manner does the integration of submarine and terrestrial components benefit the VSNL Western Europe system?

Answer: It enables both long-distance international connectivity and inland network extension.

Explanation: The combination of submarine and terrestrial segments provides dual benefits: long-distance international connectivity and the extension of the network inland to various cities and points of presence.

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The VSNL Western Europe system contributes to the enhancement of European telecommunications through which mechanism?

Answer: Providing high-capacity links between key European countries.

Explanation: The system enhances European telecommunications by providing high-capacity physical links between key countries, facilitating robust data exchange.

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In what manner does VSNL Western Europe facilitate international data flow?

Answer: By providing a physical infrastructure for data transmission between countries.

Explanation: The system contributes to international data flow by providing a physical infrastructure, primarily submarine cables, for transmitting data between countries.

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Key Terminology

The abbreviation 'Gbit/s' denotes a unit of measurement for data transfer rates, specifically quantifying Gigabits per second.

Answer: True

Explanation: 'Gbit/s' is the standard abbreviation for Gigabits per second, representing the speed of data transmission.

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Within optical communication systems, a 'fiber pair' conventionally comprises a single optical fiber capable of transmitting signals bidirectionally.

Answer: False

Explanation: A fiber pair typically consists of two distinct optical fibers: one for transmission and one for reception, enabling full-duplex communication.

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In the context of telecommunications capacity, the term 'waves' refers to distinct wavelengths of light employed in Wavelength Division Multiplexing (WDM) technology.

Answer: True

Explanation: The term 'waves' in this context refers to the distinct wavelengths of light utilized in WDM, a technology that multiplexes multiple signals onto a single fiber.

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The designation 'telecommunications cable system' pertains solely to infrastructure utilized for the transmission of voice communications.

Answer: False

Explanation: The term 'telecommunications' broadly covers various data types, including internet traffic and video streams, in addition to voice calls.

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A 'cable landing point' is defined as the offshore facility responsible for managing the submarine cable's network operations.

Answer: False

Explanation: A cable landing point is the terrestrial location where the submarine cable makes landfall and connects to the land network, not an offshore station.

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The principal technology facilitating high data transmission rates in contemporary submarine cables is generally not optical fiber.

Answer: False

Explanation: Optical fiber technology, particularly when combined with Wavelength Division Multiplexing (WDM), is the primary technology enabling high data rates in modern submarine cables.

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'Lit capacity' is defined as the total theoretical bandwidth available within the installed fiber optic system.

Answer: False

Explanation: 'Lit capacity' refers to the portion of the system's bandwidth that is actively powered and operational, as distinct from the total theoretical bandwidth of the installed system.

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Within this context, the term 'telecommunications' encompasses the transmission of internet data, voice calls, and video streams.

Answer: True

Explanation: The term 'telecommunications' broadly includes internet data, voice calls, and video streams, among other forms of digital information transmission.

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What is the meaning of the abbreviation 'Gbit/s'?

Answer: Gigabits per second

Explanation: 'Gbit/s' is the standard abbreviation for Gigabits per second, a measure of data transfer rate.

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In the field of optical communication, what typically constitutes a 'fiber pair'?

Answer: Two fibers, one for transmitting and one for receiving

Explanation: A fiber pair conventionally comprises two optical fibers, one dedicated to transmission and the other to reception, enabling full-duplex communication.

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Within the context of the VSNL Western Europe system's capacity specifications, the term 'waves' most plausibly refers to:

Answer: Different wavelengths of light used in WDM

Explanation: The term 'waves' in this context refers to the distinct wavelengths of light utilized in WDM technology.

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In the context of the system's technical specifications, what does the term 'lit capacity' denote?

Answer: The capacity that is actively powered and operational.

Explanation: 'Lit capacity' refers to the portion of the system's bandwidth that is actively powered and operational, as distinct from its theoretical maximum capacity.

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What is the defined function of a 'cable landing point'?

Answer: A location where the submarine cable emerges from the sea to connect to land.

Explanation: A cable landing point is the terrestrial site where a submarine cable emerges from the sea and interfaces with the land-based telecommunications infrastructure.

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