How can we help?

You can also find more resources in our Help Center.

100 terms

Network 1

STUDY
PLAY
Which statement describes an advantage of networks?
Networks enable multiple users to share resources.
A ____ facilitates communication and resource sharing between other computers on the network.
server
____ networks are the most popular type of network for medium- and large-scale organizations.
Client/server
A ____ network is confined to a relatively small space.
LAN
A ____ network connects clients and servers from multiple buildings.
MAN
A ____ is a specialized device that allows multiple networks or multiple parts of one network to connect and exchange data.
connectivity device
____ are the distinct units of data that are exchanged between nodes on a network.
Data Packets
____ services refer to the capability of a server to share data files, applications, and disk storage space.
File
____ services allow remote users to connect to the network.
Access
____ provide a Web-based client for checking e-mail.
Mail Servers
Security auditing is handled by ____.
management services
Standards define the ____ performance of a product or service.
minimum acceptable
The goal of ____ is to establish international technological standards to facilitate the global exchange of information and barrier free trade.
ISO
The ____ is a specialized United Nations agency that provides developing countries with technical expertise and equipment to advance those nations' technological bases.
ITU
____ oversees the IAB (Internet Architecture Board).
ISOC
Which statement accurately describes the OSI model?
It describes a theoretical representation of what happens between two nodes communicating on a network
Which OSI model layer initiates the flow of information?
Application
In which OSI model layer does TCP operate?
Transport
Which type of protocol is useful when data must be transferred quickly?
connectionless
Transport layer protocols break large data units into ____.
segments
Each network node has ____ types of addresses.
two
The process of determining the best path from Point A on one network to Point B on another is known as ____.
routing
In which OSI model layer does IP operate?
Network
Which Data Link sublayer manages flow control?
LLC
Which Data Link sublayer manages access to the physical medium?
MAC
The ____ is a fixed number associated with a device's NIC.
physical address
In which OSI model layer do hubs operate?
Physical
In which OSI model layer(s) do NICs operate?
Physical and Data Link
Which IEEE standard describes Ethernet?
802.3
Which IEEE standard describes specifications for wireless transmissions?
802.11
____________________ are documented agreements containing technical specifications or other precise criteria that stipulate how a particular product or service should be designed or performed.
Standards
____________________ protocols establish a connection with another node before they begin transmitting data.
Connection Oriented
The distance between corresponding points on a wave's cycle is called its ____.
wavelength
A digital signal composed of a pulse of positive voltage represents a ____.
1
The byte 00001110 means ____ on a digital network.
14
In modulation, a simple wave called a ____ wave, is combined with another analog signal to produce a unique signal that gets transmitted from one node to another.
carrier
When signals are free to travel in both directions over a medium simultaneously, the transmission is considered ____.
full-duplex
____ is a technology used with fiber-optic cable, which enables one fiber-optic connection to carry multiple light signals simultaneously.
WDM (wavelength division multiplexing)
The data transmission characteristic most frequently discussed and analyzed by networking professionals is ____.
throughput
One of the most common transmission flaws affecting data signals is ____.
noise
The most significant factor in choosing a transmission method is its ____.
throughput
The more twists per foot in a pair of wires, the more resistant the pair will be to ____.
cross talk
Modern LANs use ____ or higher wiring.
Cat 5
Serial refers to a style of data transmission in which the pulses that represent bits follow one another along a ____ transmission line.
single
____ describes a popular serial data transmission method.
EIA/TIA RS-232 (Recommended Standard 232)
Which connector is used in RS-232 transmissions?
DB-25
In a ____ cable, the usual wire positions are exactly reversed in one of the two RJ-45 terminations.
rollover
Which term describes the hardware that makes up the enterprise-wide cabling system?
cable plant
Which standard is also known as structured cabling?
TIA/EIA Commercial Building Wiring Standard
The points where circuits interconnect with other circuits is known as ____.
cross-connect facilities
Which term identifies a room containing connectivity for groups of workstations in its area?
telecommunications closet
____ describes wiring that connects workstations to the closest telecommunications closet.
Horizontal wiring
Many network problems can be traced to poor cable ____ techniques.
installation
The use of 1s and 0s to represent information is characteristic of a(n) ____________________ system.
binary
____________________ is a term used by networking professionals to describe the nondata information that must accompany data for a signal to be properly routed and interpreted by the network.
Overhead
ICMP (Internet Control Message Protocol) reports on the success or failure of data delivery.
Point-to-multipoint
If a device does not know its own IP address, it can still use ARP.
Connectors
TCP is a(n) ____ subprotocol.
connection-oriented
A(n) ____ number is the address on a host where an application makes itself available to incoming or outgoing data.
port
____ is more efficient than TCP for carrying messages that fit within one data packet.
UDP
A UDP header contains ____ fields.
four
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
____ operates at the Network layer and manages multicasting.
IGMP
In the TCP/IP protocol suite, ____ is the core protocol responsible for logical addressing.
IP
In IPv4 addressing, each IP address is a unique ____ number.
32-bit
In IPv4 addressing, an IP address whose first octet is in the range of 192-223 belongs to a Class ____ network.
C
In IPv4 addressing, a node with an IP address of 168.34.88.29 belongs to a Class ____ network.
B
In dotted decimal notation, a(n) ____ separates each decimal.
period
The default subnet mask for a Class B network is ____.
255.255.0.0
In most cases, BOOTP has been surpassed by the more sophisticated IP addressing utility, ____.
DHCP
A(n) ____ address represents any one interface from a group of interfaces, any one of which can accept a transmission.
anycast
In IPv6, each address contains a(n) ____, or a variable-length field at the beginning of the address that indicates what type of address it is.
Format Prefix
If the standard port number for the Telnet service is 23, a host whose IPv4 address is 10.43.3.87 has a socket address for Telnet of ____.
10.43.3.87:23
In the domain name www.google.com, ____ is the top-level domain (TLD).
com
____ is a terminal emulation protocol used to log on to remote hosts using the TCP/IP protocol suite.
Telnet
____ is a simple Application layer protocol used to synchronize the clocks of computers on a network.
NTP
____ is a utility that can verify that TCP/IP is installed, bound to the NIC, configured correctly, and communicating with the network.
PING
Protocols that can span more than one LAN (or LAN segment) are ____________________, because they carry Network layer addressing information that can be interpreted by a router.
routable
A physical topology ____.
depicts a network in broad scope
Without ____, a bus network would suffer from signal bounce.
terminators
In a ring network, each workstation acts as a(n) ____ for the transmission.
repeater
A complex combination of pure topologies is known as a ____ topology.
hybrid
The most common logical topologies are ____ and ring.
bus
A ____ is simply a linked series of devices.
daisy-chain
In packet switching, when packets reach their destination node, the node ____ them based on their control information.
reassembles
Collectively, MPLS labels are sometimes called a ____.
shim
All Ethernet networks, independent of their speed or frame type, use an access method called ____.
CSMA/CD
A ____ occurs when two transmissions interfere with each other.
collision
On an Ethernet network, a(n) ____ is the portion of a network in which collisions occur if two nodes transmit data at the same time.
collision domain
1000Base-T is a standard for achieving throughputs ____ times faster than Fast Ethernet over copper cable.
10
The 10GBase-T standard is considered a breakthrough for transmitting 10 Gbps over ____ medium.
twisted pair
The most common 1-Gigabit Ethernet standard in use today is ____.
1000Base-LX
The 10-gigabit fiber optic standard with the shortest segment length is ____.
10GBase-SR
In the 10GBase-LR standard, the L stands for ____.
long reach
Given their long-distance capabilities, 10GBase-ER and 10GBase-EW are best suited for use on ____.
WANs
Within Ethernet frame types, the ____ signals to the receiving node that data is incoming and indicates when the data flow is about to begin.
preamble
The data portion of an Ethernet frame may contain ____ bytes of information.
46 to 1500
The Ethernet_II frame type contains a 2-byte ____ field which differentiates it from the older Ethernet_802.3 and Ethernet_802.2 frame types.
type
In a(n) ____________________ topology, every node on the network is connected through a central device, such as a hub, router, or switch.
star
A network backbone is the ____________________ that connects the hubs, switches, and routers on a network.
cabling