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01. Introduction to Networking
CompTIA Network+ Media and Topologies
107
Computer Networking
Professional
03/01/2012
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Term
True or False?
The biggest difference between a LAN and WAN is usually the size of the network.
 Definition
True
Term
The ___-___-___ network model offers no centralized storage of data or centralized control over the sharing of files or resources.
 Definition
Peer-to-peer
Term
In a ___ network model, the processing power is shared between the client systems and the server.
 Definition
distributed
Term
Networks are classified according to their ___ ___ and ___.
 Definition
geographic coverage
size
Term
The two most common networks are ___ ___ networks and  ___ ___ networks .
 Definition
local area networks (LANs)
wide area networks (WANs)
Term
A LAN is a network restricted to how many geographic locations?
 Definition
1
Term
The function of the ___ ___ ___ is to interconnect workstation computers for sharing files and resources.
 Definition
Local Area Network (LAN)
Term
A ___ ___ ___ network wirelessly connects devices in close proximity.
 Definition
wireless personal area network (WPAN)
Term
A ___ ___ network spans more than one geographic location, often connecting separated LANs.
 Definition
Wide Area Network (WAN)
Term
A ___ ___ ___ is a WAN confined to a certain geographic area such as a university campus or city.
 Definition
Metropolitan Area Network (MAN)
Term
A ___-___-___ network model offers no centralized storage of data or centralized control over the sharing of files or resources.
 Definition
Peer-to-Peer
Term
A general rule of thumb is to have no more than ___ computers connected to a peer-to-peer network.
 Definition
10
Term
A ___ ___ network model enables centralized management of all network services, including user management, security, and backup procedures.
 Definition
Client/Server Network
Term
The role of the client computer in the client/server model is to request ____ from the server and present it to ____.
 Definition
data
users
Term
The terms ______ computing and _____ computing describe where the network processing takes place.
 Definition
centralized
distributed
Term
In a _____ computing model, one system provides both the data storage and processing power for client systems.
 Definition
centralized
Term
A _____ network model has the processing power distributed between the client systems and the server. Most modern networks use this model.
 Definition
distributed
Term
Which topology (star, bus, or ring) would use a hub or switch?
 Definition
star
Term
With which topology does every node have a direct connection to every other node?
 Definition
mesh
Term
_____ refers to a network’s physical and logical layout.
 Definition
topology
Term
A network’s _____ topology refers to the actual layout of the computer cables and other network devices.
 Definition
physical
Term
A network’s _____ topology refers to the way in which the network appears to the devices that use it.
 Definition
logical
Term
A _____ topology uses a trunk or backbone to connect all the computers on the network
 Definition
bus
Term
Systems on a bus network use _____ connectors or taps (known as vampire taps if you must pierce the wire).
 Definition
T
Term
To avoid signal reflection, a physical bus topology requires that each end of the physical bus be ______, with one end also being _____.
 Definition
terminated
grounded
Term
A hub or switch is not needed in a ___ network.
 Definition
bus
Term
Loose or missing _____ from a bus network disrupt data transmissions.
 Definition
terminators
Term
The most common implementation of a linear bus is the IEEE _____ standard
 Definition
802.3 (Ethernet)
Term
True or False?
Because all systems on the bus network
connect to a single backbone, a break in the cable prevents all systems from accessing the network.
 Definition
True
Term
True or False?
Compared to other topologies, a bus network is cheap and easy to implement.
 Definition
True
Term
True or False? A bus network requires more cable than other topologies?
 Definition
False
Term
True or False?
A bus network is difficult to troubleshoot.
 Definition
True
Term
True or False?
A bus network does not use any specialized network devices.
 Definition
True
Term
The ring topology is a ___ ring, meaning that the data travels in a circular fashion from one computer to another on the network.
 Definition
logical
Term
True or False?
A ring topology is not a physical ring topology.
 Definition
True
Term
True or False?
In a true ring topology, if a single computer or section of cable fails, the signal is interrupted and the entire network becomes inaccessible.
 Definition
True
Term
True or False?
A ring topology is impractical in environments where the network changes often.
 Definition
True
Term
Ring networks are most commonly wired in a _____ configuration.
 Definition
star
Term
In a token ring network, a ____ ___ ___ is equivalent to a hub or switch on an Ethernet network.
 Definition
multistation access unit (MSAU)
Term
In a token ring network, the MSAU internally performs the token circulation. To complete the ring, the _____ port on each MSAU is connected to the ______ port on another MSAU. The last MSAU in the ring is then connected to the first to complete the ring.
 Definition
ring in (RI)
ring out (RO)
Term
True or False?
In a ring topology, cable faults are easily located, making troubleshooting easier.
 Definition
True
Term
True or False?
Ring networks are moderately easy to install.
 Definition
True
Term
In a _____ topology, all computers and other network devices connect to a central device called a hub or switch.
 Definition
star
Term
True or False?
In a star topology, a break in any single cable causes the entire network to fail.
 Definition
False
Term
True or False?
The star topology is the easiest to expand in terms of the number of devices connected to the network.
 Definition
True
Term
The _____ topology is the most widely implemented network design in use today
 Definition
star
Term
True or False?
In a star topology, if the hub or switch fails, any device connected to it cannot access the network.
 Definition
True
Term
True or False?
In a star topology, cable failure affects only a single user.
 Definition
True
Term
True or False?
A star topology requires additional networking equipment to create the network layout.
 Definition
True
Term
In a _____ _____ topology, each computer on the network connects to every other, creating a point-to-point connection between every device on the network.
 Definition
wired mesh
Term
The purpose of the mesh design is to provide a high level of _____. If one network cable fails, the data always has an alternative path to get to its destination.
 Definition
redundancy
Term
A variation on a true mesh topology is the _____ mesh. It creates a redundant point-to-point network connection only between specific network devices (such as the servers).
 Definition
hybrid
Term
True or False?
The hybrid mesh is most often seen in WAN implementations.
 Definition
True
Term
True or False?
The mesh topology offers less fault tolerance than other topologies.
 Definition
False
Term
True or False?
The mesh topology provides redundant paths between LAN topologies.
 Definition
True
Term
True or False?
The mesh topology network can be expanded without disruption to current users.
 Definition
True
Term
True or False?
The wired mesh topology requires less cable than the other topologies.
 Definition
False
Term
___ ___ ___ is a technology designed to speed up network traffic flow by using short labels instead of routing tables to direct packets through the network.
 Definition
Multiprotocol Label Switching (MPLS)
Term
True or False?
In a traditional packet-forwarding design, the packet travels from one router to the next, with a forwarding decision made at each hop along the way.
 Definition
True
Term
With MPLS routing, all data packets with the same label use the same path known as the ___-___ path.
 Definition
label-switched path (LSP)
Term
_____ networks are typically implemented using either infrastructure (managed) or ad hoc (unmanaged) topologies.
 Definition
Wireless
Term
The _____ wireless topology is commonly used to extend a wired LAN to include wireless devices.
 Definition
infrastructure
Term
In an infrastructure wireless topology, wireless devices communicate with the wired LAN through a base station known as a ___ ___ or ___ ___ ___.
 Definition

access point (AP)

wireless access point
Term
True or False?
A wireless access point is referred to as a WAP?
 Definition
False
WAP is the acronym for wireless application protocol.
Term
An access point forms a _____ between a wireless and wired LAN
 Definition
bridge
Term
In _____ wireless networks, there might be several access points providing wireless coverage for a large area or only a single access point for a small area, such as a single home or small building.
 Definition
infrastructure
Term
In a ___ ___ wireless topology, devices communicate directly between themselves without using an access point.
 Definition
ad hoc
Term
The ad hoc, or unmanaged, network design does not use a ___ ___. All wireless devices connect directly to each other.
 Definition
Access Point (AP)
Term
In an infrastructure wireless network, devices use a ___ ___ ___ to connect to the network.
 Definition
wireless access point
Term
In a __-___-___ wireless configuration, the communication link travels from one node directly to another node.
 Definition
point-to-point (PtP)
Term
Wireless ___-___-___ systems are used in wireless backbone systems such as microwave relay communications, or as a replacement for a single wired communication cable.
 Definition
point-to-point (PtP)
Term
The ___-___-___ wireless link connects two remote locations.
 Definition
point-to-point (PtP)
Term
A typical point-to-point wireless configuration has no _____. This means that if the wireless link should fail, communication between the locations is unavailable.
 Definition
redundancy
Term
True or False?
A point-to-point wireless solution is a cost-effective method to connect two remote locations.
 Definition
True
Term
A ___-___-___ wireless connection is designed to link multiple wired networks.
 Definition
point-to-multipoint (PtMP)
Term
Signals in a ___-___-___ network travel from a central node such as a base station of a cellular system, an access point of a WLAN, or a satellite.
 Definition
point-to-multipoint (PtMP)
Term
_____ networks use a base station as the "hub" and client networks as the connection points communicating with the base station.
 Definition
Multipoint
Term
In a multipoint network, the location of the ___ ___ is important to ensure the range and strength of the wireless signal.
 Definition
central node
Term
In a wireless _____ network, each network node connects to every other node on the network.
 Definition
mesh
Term
With a wireless mesh, the wireless signal starts at a ___ ___ ___ attached to a wired network.
 Definition
wireless base station (access point)
Term
A wireless _____ network extends the transmission distance by relaying the signal from one computer to another.
 Definition
mesh
Term
True or False?
A wireless mesh is expensive to implement.
 Definition
False
Term
Wireless mesh networks are known as ___-___, which refers to the network’s capability to adapt to network failure and even function should a node be moved from one location to another.
 Definition
self-healing
Term
True or False?
Wireless mesh networks are not scalable.
 Definition
False
Term
Of all network topologies, the _____ network provides the greatest reliability.
 Definition
mesh
Term
True or False?
In a wireless mesh network, you can add, remove, and relocate systems with little cost or disruption to the network.
 Definition
True
Term
Many topologies in large networking environments are a _____ of physical topologies.
 Definition
hybrid
Term
The star bus is an example of a _____ topology.
 Definition
hybrid
Term
A ___ ___ ___ network enables a remote user to access a private network across the Internet.
 Definition
virtual private network (VPN)
Term
True or False?

VLANs enable multiple broadcast domains on a single switch.
 Definition
True
Term
True or False?
A VPN is a type of WAN
 Definition
True
Term
When a VPN is used to connect one private LAN to another, it is known as ___-___-___ internetworking.
 Definition
LAN-to-LAN
Term
A ___ ___ ___ enables anyone with an Internet connection to use a public network to access the main network as if they were logged on locally.
 Definition
Virtual Private Network (VPN)
Term
The computer that initiates the connection to the VPN server is called the ___ ___.
 Definition
VPN client
Term
The ___ ___ authenticates connections from VPN clients.
 Definition
VPN server
Term
True or False?
If a VPN uses a private intranet, the network used must be IP (Internet protocol)-based.
 Definition
True
Term
Point-to-Point Tunneling Protocol (PPTP) and Layer 2 Tunneling Protocol (L2TP) enable _____ and _____ in VPNs.
 Definition
authentication
encryption
Term
The two major advantages of VPNs are ____ and _____.
 Definition
cost
scaleability
Term
The two major disadvantages of VPNs are ____ and _____.
 Definition
security
reliability
Term
_____ is the IEEE specification developed to ensure interoperability of VLAN technologies from the various vendors.
 Definition
802.1Q
Term
A ___ ___ is a group of connected computers that act as if they are on their own network segments, even though they might not be.
 Definition
Virtual LAN (VLAN)
Term
VLANs enable multiple ___ domains on a single switch. In essence, this is the same as creating separate networks for each VLAN.
 Definition
broadcast
Term
With ______-based VLANs, computers are assigned to VLANs using the protocol in use and the Layer 3 address.
 Definition
protocol
Term
True or False?
With protocol-based VLANs, the IP numbers are used only to determine the membership in a particular VLAN, not to determine routing.
 Definition
True
Term
_____-based VLANs require that specific ports on a network switch be assigned to a VLAN
 Definition
Port
Term
___-___-based VLANs assign membership according to the workstation's physical address.
 Definition
MAC address
Term
True of False?
The advantage of MAC address based VLANs is that a workstation computer can be relocated without needing to be reconfigured.
 Definition
True
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