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70 terms

Network+ chapters 1-7

STUDY
PLAY
False
The simplest form of a network is a client/server network.
True
Very large peer-to-peer networks have emerged to take advantage of the Internet.
Networks enable multiple users to share resources.
Which statement describes an advantage of networks?
peer-to-peer
Which network model ensures that no computer on the network has more authority than another?
file-sharing
A common way of sharing resources on a peer-to-peer network is by modifying the ____ controls using the computer's operating system.
server
A ____ facilitates communication and resource sharing between other computers on the network.
Client/server
____ networks are the most popular type of network for medium- and large-scale organizations.
LAN
A ____ network is confined to a relatively small space.
MAN
A ____ network connects clients and servers from multiple buildings.
File
____ services refer to the capability of a server to share data files, applications, and disk storage space.
False
Network functions are associated with only one layer of the OSI model.
minimum acceptable
Standards define the ____ performance of a product or service.
ISO
The goal of ____ is to establish international technological standards to facilitate the global exchange of information and barrier free trade.
It describes a theoretical representation of what happens between two nodes communicating on a network.
Which statement accurately describes the OSI model?
Transport
In which OSI model layer does TCP operate?
connectionless
Which type of protocol is useful when data must be transferred quickly?
two
Each network node has ____ types of addresses.
routing
The process of determining the best path from Point A on one network to Point B on another is known as ____.
Network
In which OSI model layer does IP operate?
physical address
The ____ is a fixed number associated with a device's NIC.
False
The strength of an electrical signal is directly proportional to its frequency.
True
Ethernet is an example of a baseband system found on many LANs.
False
Latency occurs when a signal traveling on one wire or cable infringes on the signal traveling over an adjacent wire or cable.
wavelength
The distance between corresponding points on a wave's cycle is called its ____.
1
A digital signal composed of a pulse of positive voltage represents a(n) ____.
full-duplex
When signals are free to travel in both directions over a medium simultaneously, the transmission is considered ____.
throughput
The data transmission characteristic most frequently discussed and analyzed by networking professionals is ____.
throughput
The most significant factor in choosing a transmission method is its ____.
cross talk
The more twists per foot in a pair of wires, the more resistant the pair will be to ____.
Cat 5
Modern LANs use ____ or higher wiring.
False
All protocols are routable.
True
ICMP (Internet Control Message Protocol) reports on the success or failure of data delivery.
True
The command used to view IP information on a Windows workstation is ipconfig.
connection-oriented
TCP is a(n) ____ subprotocol.
port
A(n) ____ number is the address on a host where an application makes itself available to incoming or outgoing data.
IP
The subprotocol that enables TCP/IP to internetwork - that is, to traverse more than one LAN segment and more than one type of network through a router is ____.
IP
In the TCP/IP protocol suite, ____ is the core protocol responsible for logical addressing.
32-bit
In IPv4 addressing, each IP address is a unique ____ number.
period
In dotted decimal notation, a(n) ____ separates each decimal.
255.255.0.0
The default subnet mask for a Class B network is ____.
True
Modern Ethernet networks are based on the star topology.
False
The most popular method for connecting nodes on a network is circuit switching.
depicts a network in broad scope
A physical topology ____.
terminators
Without ____, a bus network would suffer from signal bounce.
repeater
In a ring network, each workstation acts as a(n) ____ for the transmission.
hybrid
A complex combination of topologies is known as a ____ topology.
daisy-chain
A ____ is simply a linked series of devices.
CSMA/CD
All Ethernet networks, independent of their speed or frame type, use an access method called ____.
collision
A ____ occurs when two transmissions interfere with each other.
twisted pair
The 10GBase-T standard is considered a breakthrough for transmitting 10 Gbps over ____ medium.
True
In data networks, the task of directing information efficiently to the correct destination is handled by connectivity devices, primarily switches and routers.
False
Cut-through switches can detect corrupt packets.
data transceiver
NICs contain a(n) ____, which transmits and receives data signals.
PCIe
By far, the most popular expansion board NIC today is one that uses a(n) ____ bus.
LNK
In general, a steady or blinking green LED, sometimes labeled ____, indicates that the NIC is functional and has a connection to the network.
hot-swappable
A hardware component that can be changed without disrupting operations is known as ____.
Physical
Repeaters operate in the ____ layer of the OSI model.
Data link
Traditional switches operate at the ____ layer of the OSI model.
VLANs
Switches can create ____ by grouping a number of ports into a broadcast domain.
content
Switches that operate anywhere between Layer 4 and Layer 7 are also known as ____ switches.
False
In a star topology, a single connection failure will halt all traffic between all sites.
publicly
WANs typically send data over ____ available communications networks.
nonroutable
Because WAN connections require routers or other Layer 3 devices to connect locations, their links are not capable of carrying ____ protocols.
redundant
On most modern WANs, a ring topology relies on ____ rings to carry data.
Mesh
____ WANs are the most fault-tolerant type of WAN because they provide multiple routes for data to follow between any two points.
CO
A(n) ____ is the place where a telephone company terminates lines and switches calls between different locations.
signal
The speed of a T-carrier depends on its ____ level.
security
Broadband cable requires many subscribers to share the same local line, thus raising concerns about ____ and actual (versus theoretical) throughput.
fault tolerance
SONET's extraordinary ____ results from its use of a double-ring topology over fiber-optic cable.
OC (Optical Carrier) level
The data rate of a particular SONET ring is indicated by its ____, a rating that is internationally recognized by networking professionals and standards organizations.