Network Planning & Design – Chapter 1-3

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The simplest form of a network is a client/server network.
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False
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Very large peer-to-peer networks have emerged to take advantage of the Internet.
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True
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Clients on a client/server network share their resources directly with each other.
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False
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To prepare to enter the networking field, a student should master a number of general networking technologies.
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True
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Hands-on experience to improve networking hardware and software skills is important when attempting to enter the networking field.
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True
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Which statement describes an advantage of networks?
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Networks enable multiple users to share resources
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Which network model ensures that no computer on the network has more authority than another?
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Peer-to-peer
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A common way of sharing resources on a peer-to-peer network is by modifying the ____ controls using the computer's operating system.
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File-sharing
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A ____ facilitates communication and resource sharing between other computers on the network.
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Server
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____ networks are the most popular type of network for medium- and large-scale organizations.
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Client/Server
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A ____ network is confined to a relatively small space.
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LAN
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Often, separate LANs are interconnected and rely on several ____ running many different applications and managing resources other than dat
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Servers
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A ____ network connects clients and servers from multiple buildings.
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MAN
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A ____ is a specialized device that allows multiple networks or multiple parts of one network to connect and exchange dat
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Connectivity Device
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Which network topology is the most common?
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Star
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____ are the distinct units of data that are exchanged between nodes on a network.
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Packets
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____ services refer to the capability of a server to share data files, applications, and disk storage space.
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File
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____ services allow remote users to connect to the network.
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Access
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The phenomenon of offering multiple types of communications services on the same network is known as ____.
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Convergence
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Which type of service supports e-mail?
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Communications
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____ provide a Web-based client for checking e-mail.
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Mail servers
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Security auditing is handled by ____.
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Network management services
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Dependability is a characteristic of ____.
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Soft skills
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____ is a popular career development tool for job seekers and a measure of an employee's qualifications for employers.
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Certification
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Which certification requires candidates to pass lab exams?
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Cisco CCIE
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Standards assist in network design.
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True
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Network functions are associated with only one layer of the OSI model.
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False
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The Application layer includes software applications.
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False
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All Transport layer protocols are concerned with reliability.
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False
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IEEE has divided the Transport layer into two sublayers.
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False
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Standards define the ____ performance of a product or service.
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Minimum acceptable
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The goal of ____ is to establish international technological standards to facilitate the global exchange of information and barrier free trade.
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ISO
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The ____ is a specialized United Nations agency that provides developing countries with technical expertise and equipment to advance those nations' technological bases.
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ITU
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____ oversees the IAB (Internet Architecture Board).
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ISOC
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Which statement accurately describes the OSI model?
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It describes a theoretical representation of what happens between two nodes communicating on a network.
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Which OSI model layer initiates the flow of information?
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Application
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Which OSI model layer manages data encryption?
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Presentation
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Which OSI model layer manages data encryption?
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Transport
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Which type of protocol is useful when data must be transferred quickly?
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Connectionless
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Transport layer protocols break large data units into ____.
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Segments
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____ is the process of reconstructing segmented dat
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Reassembly
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Each network node has ____ types of addresses.
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Two
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The process of determining the best path from Point A on one network to Point B on another is known as ____.
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Routing
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In which OSI model layer does IP operate?
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Network
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Which Data Link sublayer manages flow control?
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LLC
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Which Data Link sublayer manages access to the physical medium?
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MAC
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.The ____ is a fixed number associated with a device's NIC.
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Physical address
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In which OSI model layer do hubs operate?
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Physical
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In which OSI model layer(s) do NICs operate?
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Physical and Data Link
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Which IEEE standard describes specifications for wireless transmissions?
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802.11
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The strength of an electrical signal is directly proportional to its frequency.
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False
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Modulation can be used to make a signal conform to a specific pathway.
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True
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Ethernet is an example of a baseband system found on many LANs.
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True
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Latency occurs when a signal traveling on one wire or cable infringes on the signal traveling over an adjacent wire or cable.
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False
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The maximum distance a signal can travel and still be interpreted accurately is equal to a segment's maximum length.
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True
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The distance between corresponding points on a wave's cycle is called its ____.
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Wavelength
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A digital signal composed of a pulse of positive voltage represents a(n) ____.
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1
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The byte 00001110 means ____ on a digital network.
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14
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In modulation, a simple wave called a(n) ____ wave, is combined with another analog signal to produce a unique signal that gets transmitted from one node to another.
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Carrier
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When signals are free to travel in both directions over a medium simultaneously, the transmission is considered ____.
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Full-duplex
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____ is a technology used with fiber-optic cable, which enables one fiber-optic connection to carry multiple light signals simultaneously.
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WDM (wavelength division multiplexing)
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The data transmission characteristic most frequently discussed and analyzed by networking professionals is ____.
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Throughput
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One of the most common transmission flaws affecting data signals is ____.
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Noise
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The most significant factor in choosing a transmission method is its ____.
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Throughput
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The more twists per foot in a pair of wires, the more resistant the pair will be to ____.
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Cross talk
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Modern LANs use ____ or higher wiring.
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Cat 5
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Serial refers to a style of data transmission in which the pulses that represent bits follow one another along a ____ transmission line.
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Single
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____ describes a popular serial data transmission method.
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EIA/TIA RS-232 (Recommended Standard 232)
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Which connector is used in RS-232 transmissions?
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DB-25
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The serial interface on the back of the connectivity device is often labeled "____."
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Console
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Which term describes the hardware that makes up the enterprise-wide cabling system?
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Cable plant
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Which standard is also known as structured cabling?
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TIA/EIA Commercial Building Wiring Standard
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The points where circuits interconnect with other circuits is known as ____.
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Cross-connect facilities
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Which term identifies a room containing connectivity for groups of workstations in its area?
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Telecommunications closet
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____ describes wiring that connects workstations to the closest telecommunications closet.
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Horizontal wiring
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