Network Ch.2
What statement correctly identifies the purpose of a software patch?
A software patch is a correction, improvement, or enhancement to software.
In a voice over IP setup (VoIP), what kind of device converts signals from a campus's analog phone equipment into IP data that can travel over a phone company's analog telephone lines?
VoIP gateway
What is the name of the GUI front end that is available for the Nmap utility?
Zenmap
Which of the following is a document that is sent as a request to vendors to submit a proposal for a product or service that your company wants to purchase?
request for proposal
Each type of cable has a prescribed bend radius, which is the radius of the maximum arc into which you can loop a cable without impairing data transmission.
true
Fiber-optic cable comes in two types: single-mode fiber (SMF) or multimode fiber (MMF).
true
The TIA/EIA standard for wall jacks in a work area require that at least one outlet be provided for data and one for voice.
true
The industry standard height for a rack in rack units is 42U.
true
What component of the backbone runs between a building's floors and can be used to connect an MDF and IDF or multiple IDFs?
vertical cross connect
When creating network diagrams, what icon description typically represents a network router?
An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward.
When creating network diagrams, what icon description typically represents a network switch?
An icon that is rectangular, which contains four arrows pointing in opposite directions.
When creating network diagrams, what icon description typically represents a network firewall?
An icon that resembles a brick wall.
What does a statement of work document do?
It documents in detail the work that must be completed for a particular object, and includes specifics such as tasks, deliverables, standards, payment schedule, and work timeline.
During termination of twisted pair cabling, what should be done to ensure minimal cross talk is introduced?
No more than 1 inch of the cable should be exposed.
In general, how much can a twisted-pair's cable be bent before data transmission may be impeded?
No more than four times the diameter of the cable.
What is NOT a TIA/EIA recognized cabling type that can be used for horizontal cabling?
RG 6 Coaxial
A dedicated telephone switch or virtual switching device that connects and manages calls within a private organization, and manages call connections that exit the network through a VoIP gateway, is known by what term?
VoIP PBX (private branch exchange)
In order to ensure that a cable is not affected by electromagnetic interference, how far away should the cable be from fluorescent lighting?
at least 3 feet
What component of enterprise level structured cabling serves as the location where an incoming network interface enters a building and connects with the building's backbone cabling?
entrance facility
A 66 block is more suitable for data connections than the older 110 block.
false
In a rack setup, a device called a KVM allows multiple consoles to connect to a single device on the rack.
false
Where is a demarc located in relation to the structured cabling of an enterprise environment?
in the Main Distribution Frame (MDF)
Your company is setting itself up to distribute software made by another company. What type of document should your company procure from the developing company?
master license agreement
What type of documentation tool is a website that can be edited by users, allowing them to add files and photos and links between pages?
wiki
What statement accurately describes what a cable bend radius determines?
A cable bend radius is the radius of the maximum arc into which you can loop the cable without impairing data.
What kind of document serves as a legally binding contract or part of a contract that defines, in plain language and in measurable terms, the aspects of a service provided to a customer?
service-level agreement
The process of designing, implementing, and maintaining an entire network is called the system life cycle.
true
What type of diagram is a graphical representation of a network's wired infrastructure?
wiring schematic
When planning horizontal cabling, what is the maximum allowable distance that can be used?
100 meters
Equipment data racks most commonly are a standard width of what measurement?
19 inches
What is the broadcast for the network 200.50.50.0 /24?
200.50.50.255
What is the default subnet mask of a Class B network?
255.255.0.0
What standard describes uniform, enterprise-wide cabling systems, regardless of who manufactures or sells the various parts used in the system?
TIA/EIA-568
What statement regarding main distribution frame or main distribution facilities is accurate?
The MDF is the centralized point of interconnection for an organization's LAN or WAN.
What does backbone cabling consist of?
The cables or wireless links that provide interconnection between the entrance facility and MDF, and between the MDF and IDFs.
Why should you not leave more than 1 inch of exposed cable before a twisted-pair termination?
The exposure of the cable can cause transmission interference between wires.
A change coordinator functions as what type of manager?
project manager
What type of tool would you utilize to terminate twisted pair wire on a 66 or 110 block?
punchdown tool
A master service agreement (MSA) is a contract that defines the terms of future contracts between parties, such as payment terms or arbitration arrangements.
true
Cable that is coated with flame-resistant polyvinyl chloride (PVC) is acceptable for use in plenum areas.
true
