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Network+ Guide to Networks - Ch 5
Network+ Ch 5
26
Computer Networking
04/16/2012

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Cards

Term
The 10GBase-T standard is considered a breakthrough for transmitting 10 Gbps over ____ medium.
Definition
twisted pair
Term
In packet switching, when packets reach their destination node, the node ____ them based on their control information.
Definition
reassembles
Term
As part of CSMA/CD, a process known as ____________________ allows the NIC issue a special 32-bit sequence that indicates to the rest of the network nodes that its previous transmission was faulty and that those data frames are invalid.
Definition
jamming
Term
The 10-gigabit fiber optic standard with the shortest segment length is ____.
Definition
10GBase-SR
Term
Because of its support for multiple Network layer protocols and because it uses fewer bytes as overhead, ____________________ is the frame type most commonly used on contemporary Ethernet networks.
Definition
Ethernet_II (DIX)
Ethernet_II
DIX
Term
A network backbone is the ____________________ that connects the hubs, switches, and routers on a network.
Definition
cabling
Term
The most common logical topologies are ____ and ring.
Definition
bus
Term
In a(n) ____________________ topology, every node on the network is connected through a central device, such as a hub, router, or switch.
Definition
star
Term
Within Ethernet frame types, the ____ signals to the receiving node that data is incoming and indicates when the data flow is about to begin.
Definition
preamble
Term
Given their long-distance capabilities, 10GBase-ER and 10GBase-EW are best suited for use on ____.
Definition
WANs
Term
A ____ is simply a linked series of devices.
Definition
daisy-chain
Term
Without ____, a bus network would suffer from signal bounce.
Definition
terminators
Term
All Ethernet networks, independent of their speed or frame type, use an access method called ____.
Definition
CSMA/CD (carrier sense multiple access w/ collision detection)
Term
1000Base-T is a standard for achieving throughputs ____ times faster than Fast Ethernet over copper cable.
Definition
10
Term
1000Base-SX has a maximum throughput of ____.
Definition
1 Gbps
Term
A complex combination of pure topologies is known as a ____ topology.
Definition
hybrid
Term
In the 10GBase-LR standard, the L stands for ____.
Definition
long reach
Term
A ____ occurs when two transmissions interfere with each other.
Definition
collision
Term
A physical topology ____.
Definition
depicts a network in broad scope
Term
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.
Definition
type
Term
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.
Definition
collision domain
Term
___________________ is a component of a network’s logical topology that determines how connections are created between nodes.
Definition
Switching
Term
Collectively, MPLS labels are sometimes called a ____.
Definition
shim
Term
The data portion of an Ethernet frame may contain ____ bytes of information.
Definition
46 to 1500
Term
The most common 1-Gigabit Ethernet standard in use today is ____.
Definition
1000Base-LX
Term
In a ring network, each workstation acts as a(n) ____ for the transmission.
Definition
repeater