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The Application layer provides a set of interfaces for applications to access networked services, such as networked file transfer, message handling, and database query processing.
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In the OSI reference model, the ____ layer is layer 4.

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MIS 4350

First Test Chap's 1-5

Question	Answer
The Application layer provides a set of interfaces for applications to access networked services, such as networked file transfer, message handling, and database query processing. True or False	True
In the OSI reference model, the ____ layer is layer 4.	Transport
A frame is usually addressed to only one computer and is called a ____ frame.	unicast
The PDU at the Transport layer is called a ____.	segment
The PDU at the Application layer (and the Presentation and Session layers) is referred to simply as “message.” True or False	False
The PDU at the Network layer is called a ____.	packet
In the OSI reference model, the ____ layer is layer 7.	Application
A packet is the basic unit for network traffic as it travels across the medium. True or False	False
____ functions at the Application layer of the OSI reference model.	HTTP
In the OSI reference model, the ____ layer is layer 2.	Data Link
A(n) ____ describes the type of wireless communications used to permit computers to exchange data by some wireless transmission frequency.
Is SQL Server any of a number of special-function servers? True or False	False
Which of the following represents the centralized database of users, groups, and resource information that permits one or more network servers to handle network logins and resource access requests?
Do file and print servers provide ONLY file storage and handle print job on behalf of the WAN? True or False	False
The mesh network topology is the most expensive one. True or False	True
On a bus network, open ends in a cable segment must be terminated to prevent ____.	Signal bounce
The majority of hubs installed in networks today are ____ hubs.	active
A disadvantage of the ring topology lies in its inability to share network resources fairly.	False
The first step in any network design is to evaluate the underlying requirements.	True
A protocol stack is an ordered collection of networking protocols that, taken together, provide end-to-end network communications between a sender and a receiver.	True
Which of the following refers to data content within a PDU?
Which of the following is used interchangeably with data frames and is the basic package of bits that represents a PDU sent from one computer to another across a network?
The IEEE specification within Project 802 for token bus LANs, which uses a straight-line bus topology for the networking medium, is referred to as 802.5.	False
A practical data unit is a structure that usually includes specific header and trailer information in addition to its data payload.	False
Which of the following is NOT a method of passing data around a ring network?
Does a map include the locations of servers, workstations, computers, and so forth?	True
Which of the following refers to a central device or hub through which signals pass in a wireless network?	WAP
A hub is a single cable segment used in a bus topology to connect computers in a straight line.	False
Which of the following uses a token-based networking technology and runs over several kinds of coaxial cable, twisted-pair, and fiber-optic cable?
Which of the following networks requires an unobstructed view, or clear pathway between the transmitter and receiver?	Line-of-sight
An orbital position relative to Earth where a satellite orbits at the same speed as the Earth rotates is referred to as which of the following?	Geosynchronous
Is a network interface connector one of a number of fiber-optic cable connector types?	False
Computers that participate on a network run a ____ that determines what services that computer can offer or request.	NOS
____ is the most widely used Web server in the world.
In the domain model, before users can access resources on the network, they must identify themselves to a(n) ____, which is a server that checks account names and passwords against a database of information it maintains.	domain controller
Chaos is the norm for ____, and security can be a major concern.	peer-to-peer networks
Windows Server 2000/2003 includes a complete Web server called ____.
Is a serial transmission used to set each bit's worth of data one at a time, one after another, in sequence?	False
Which of the following is a 32-bit PC bus architecture that is backward compatible with older slower 16-bit bus architecture?	EISA
Which of the following is the 32- and 64-bit PC bus architecture that currently prevails as the best and fastest of all available bus types?	PCI
PC cards are credit-card size expansion cards used to add functionality to desktop computers.	False
The maximum cable length for Category 5, 5e and 6 UTP cables is 200 meters.	False
The 1997 802.16 Wireless Networking Standard is also referred to as Wireless Fidelity (Wi-Fi).	False
The cable plant is the combination of installed network cables, connectors, patch panels, wall jacks, and other media components.	True
In the OSI reference model, the ____ layer is layer 1.	Physical
Domain Name System (DNS) and NetBIOS name resolution both work in part at the ____ layer.	Session
In the OSI reference model, the ____ layer is layer 3.	Network
The frame’s destination address of a broadcast frame is a value of all binary 0s.	False
An attachment unit interface (AUI) is also called a DIX connector.	True
Which of the following is a hardware device that increases the power of electrical signals to maintain their original strength when transmitted across a large network?	Amplifier
Which of the following is a fiber-optic connector that provides high-density connections utilizing two fiber-optic cables?	MT-RJ
Which of the following is a device that bridges wireless networking components in a wired network?	Access point
Is SQL Server any of a number of special-function servers?	False
A Web browser is the TCP/IP-based collection of all Web servers on the Internet.	False
Which of the following represents the centralized database of users, groups, and resource information that permits one or more network servers to handle network logins and resource access requests?
Does server-based networking require the presence of a server to provide services and resources?	False
A LAN is a collection of computers and other networked devices that fit within the scope of a single physical network	True
Which of the following refers to a special or general-purpose microprocessor that appears on an adapter card, usually to offload data from the computer's CPU?	On-board co-processor
Which of the following is a hot-pluggable Plug and Play serial interface that operates at a maximum data transfer rate of 12 Mbps?	USB
Is a peripheral component interface (PCI) a 32- and 64-bit PC bus architecture that currently prevails as the best and fastest?	False
NSID is a standard for providing an interface between a NIC and the network medium that enables a NIC to use multiple protocols.	False
A device that transmits and receives network information is referred to as a terminator.	False
Does the protocol stack provide end-to-end network communications between a sender and a receiver?	True
The Network layer handles addressing and routing of PDUs across the Internet.	False
Which of the following is an enhanced set of network and transport protocols that carry NetBIOS information?
Is payday the data content within a PDU?	False
Elaborated upon by the IEEE Project 802, ___ are the logical link control layers and the media access control layers.
With respect to data transfer speeds of wireless NICs, the most common choices today are 11 Mbps or ____ Mbps	54
ExpressCard uses PCI Express technology to provide data transfer rates up to 500 MBps, with future versions reaching 4 GBps.	True
Bus mastering means a NIC includes additional memory to provide temporary storage for incoming and outgoing data that arrives at the NIC faster than it can be shipped out.	False
FireWire is also known as IEEE ____.	1394
MAC addresses take the form of ____ two-digit hexadecimal numbers separated by colons.	Six
Windows Server 2003 was designed to handle up to ____ CPUs in a single system	64
____ servers handle e-mail messages for network users; this function might involve simply acting as a clearinghouse for local exchange of messages.	Mail
Peripheral ____ sharing enables groups of users to take advantage of peripherals and other devices attached directly to a network or to a generally available computer attached to a network.	device
The emerging standard for WPANs is the IEEE ____ standard.
____ is the most widely used Web server in the world	Apache
Does a repeater regenerate electronic signals, so they can travel a greater distance?	True
A hub is a single cable segment used in a bus topology to connect computers in a straight line.	False
Which of the following is the central connection point for a star network?	Hub
Fiber Distributed Data Interface is a high-speed WAN technology that uses dual counter-rotating rings.	False
Which of the following is a network topology in which the computers listen to the data signals being sent but do NOT participate in network communications?
10BaseT refers to ____.	UTP
With respect to structured cabling, the ____ is where computer workstations and other user devices are located.	work area
The TIA/EIA developed the document “____ Commercial Building Wiring Standard”, which specifies how network media should be installed to maximize performance and efficiency.
Whether STP or UTP, twisted-pair network cabling most commonly uses ____ connectors to plug into computer network interfaces or other networked devices.	RJ-45
Category ____ cable is labeled as voicegrade	1
A packet is the basic unit for network traffic as it travels across the medium.	False
The IEEE 802 standards predate the OSI reference model.	True
____ frames are created for any computers on a network that “listen” to a shared network address
In the OSI reference model, the ____ layer is layer 7.	Application
The IEEE standard ____ sets standards for wireless networking for many different broadcast frequencies and techniques.	802.11
A central device, usually a(n) ____, sits in the middle of the extended star topology.	switch
All computers, no matter what their topology, communicate in the same way: They address data to one or more computers and then transmit that data across the cable in the form of ____.	electronic signals
When wireless devices are configured to use an access point, they are said to be in ____ mode.	Ad hoc
The ring-based technologies implemented as a physical star include ____ and token ring	FDDI
At the center of a logical ring implemented as a physical star is a device called a(n) ____.	concentrator
In a NIC, ____ are the fundamental unit of data for network transmission and reception. bits segments packets frames	frames
PnP attempts to define a set of configuration protocols so that a computer can communicate with its peripherals during the ____ sequence and negotiate a working configuration without requiring user intervention. boot up POST IEEE 1394 load	POST
____ means a NIC’s on-board processor selects a region of RAM on the computer and writes to it as though it were buffer space on the adapter. DMA Shared system memory Shared adapter memory Bus mastering	Shared system memory
Which of the following layers of the OSI model is responsible for setting up, maintaining, and ending ongoing sequences of communications across a network? Application layer Transport layer Presentation layer Session layer	Session layer
Wireless NICs can operate at speeds faster than 100 Mbps by using the ____ technology. IEEE 802.11a IEEE 802.11g IEEE 802.11i IEEE 802.11n	IEEE 802.11n
Which of the following is the functional subdivisions of the OSI reference model? Layers Cylinders Both A and B None of the above	Layers
Which of the following is a mathematical recipe that generates a specific value called a checksum? CRC CCR RRC None of the above	CRC
Is AppleTalk the protocol suite/stack native to the Macintosh operating system? True False	False
A network’s topology has a significant effect on its performance and growth potential. True False	True
In a(n) ____ topology network, computers and other devices attached to the network regenerate signals and are responsible for moving data through the network. passive active physical logical	Acitve
At the center of a logical ring implemented as a physical star is a device called a(n) ____. hub switch concentrator access point	concentrator
In the simplest wireless configuration, two computers can communicate directly with one another in a(n) ____ topology. access point point-to-point infrastructure mode ad hoc	access point
What a the 7 Layers of the OSI?	Programers - Physical Do - Data Link Not - Network Throw - Transport Sasuage - Session Pizza - Preseantion Away - Applacation
In the OSI reference model, the ____ layer is layer 4. Session Transport Data Link Network	Transport
Domain Name System (DNS) and NetBIOS name resolution both work in part at the ____ layer. Session Network Presentation Transport
The PDU at the Application layer (and the Presentation and Session layers) is referred to simply as “message.” True False	False
The rules that govern which resources can be accessed by which accounts are referred to as ____. firewalls privileges access controls restrictions
Most peer-to-peer networks consist of collections of typical end-user PCs linked by a common network medium. True False	True
A server-based network makes sense when more than ____ users must share network access. 5 10 25 50
Which of the following is the basic physical layout for a network? Topology Layout Design All of the above	All of the above
Which of the following is NOT a term used to describe a networks design? Mesh Layout Diagram None of the above	None of the above
Does a bus topology use a backbone to connect computers in a straight line? True False	False
Geosynchronous is an orbital position relative to the moon where a satellite orbits at the same speed as the moon rotates. True False	False
Electromagnetic interference is the ability to "listen" to signals passing through some communications medium by detecting its emissions. True False	False
An attachment unit interface (AUI) is also called a DIX connector. True False	True
Which of the following is a term which describes the requirement that narrow band, tight-beam transmitters and receivers have an unobstructed path between them? Latency of sight Local sight Mobile sight None of the above	None of the above
____ is a set of access controls or permissions in place that determine whether the server can grant requests for service or resource from a client. Protocol Response Security Sidebanding	Response
An application server is a network server that acts ONLY as a server and is NOT intended for regular use as a client machine. True False	True
Which of the following would be considered an example of a specialized server? Communication server Directory server Domain controller All of the above	All of the above
Internet Information Server is a Microsoft BackOffice component that acts as a Web server in the ____ server environment. Windows 2000 Windows XP Windows NT Windows 95	Windows NT
With respect to structured cabling, the ____ houses servers, routers, switches, and other major network equipment and serves as a connection point for backbone cabling running between TCs. work area cable plant equipment room entrance facility	equipment room
Category ____ cable is labeled as datagrade. 1 2 3 4	4
Fiber-optic cable eliminates the possibility of electronic eavesdropping. True False	True
Category ____ cable is labeled as voicegrade. 1 2 3 4	1
A device driver is a software program that mediates communications between an operating system and a specific device. True False	True
Is Quality of Session a networking term that specifies a guaranteed level of service applied to applications that require high bandwidth? True False	False
Which of the following refers to a mathematical notation for representing numbers in base 16? Hexadecimal Peridecimal Tridecimal Quad-decimal	Hexadecimal
Which of the following is a feature that allows the card to handle security related protocols including encryption services? Shared feature Security feature Transceiver feature Traffic feature	Sercurity feature
Which of the following refers to the Microsoft requirements for PC motherboards, buses, adapter cards, and operating systems which let a PC automatically detect and configure hardware on a system? Plug and Play Patch and Play Link and Play	Plug and Play
Presentation layer	preps data for delivery
Application layer	is an interface that request and receives network services
Data Link layer	manages access for error-free delivery
Network layer	does addressing and routing
Physical layer	medium cables and wires
Session layer	setup and maintain communications
Transport layer	delivery of data completely
An intranetwork is a network of networks, which consists of two or more physical networks. True False	False
Do file and print servers provide ONLY file storage and handle print job on behalf of the WAN? True False	False
Which of the following is a uniquely named collection of user accounts and resources that share a common security database? Controller Dedicated server Domain None of the above	Domain
Does a network medium usually refer to the cable that links computers on a network? True False	False
To access any network, computers must attach to the network medium by using some kind of physical interface; for PCs, this interface is usually an RS-232 port. True False	False
____ servers handle e-mail messages for network users; this function might involve simply acting as a clearinghouse for local exchange of messages. Mail Communication RRAS File	Mail
____ servers supply the server side of client/server applications, and often the data that goes along with them, to network clients. Application File Web Directory	Application
The ____ is a short-range networking technology designed to connect personal devices to exchange information. LAN NOS WPAN PDA	WPAN
10BaseT refers to ____. TP UTP STP ScTP	UTP
Spread-spectrum radio addresses several weaknesses of single-frequency communications, whether high or low power. True False	True
Whether STP or UTP, twisted-pair network cabling most commonly uses ____ connectors to plug into computer network interfaces or other networked devices. BNC MT-RJ RJ-45 RJ-11	RJ-45
Fiber Distributed Data Interface is a high-speed WAN technology that uses dual counter-rotating rings. True False	False
Which of the following is the central connection point for a star network? Hub Map Repeater Token	Hub
A hub is a single cable segment used in a bus topology to connect computers in a straight line. True False	False
Which of the following is NOT a method of passing data around a ring network? Token passing Token Terminator None of the above	None of the above
The PDU at the Transport layer is called a ____. message segment frame packet	segment
In the OSI reference model, the ____ layer is layer 4. Session Transport Data Link Network	Transport
In the OSI reference model, the ____ layer is layer 2. Physical Presentation Data Link Network	Data Link
A packet is the basic unit for network traffic as it travels across the medium. True False	False
Is Quality of Session a networking term that specifies a guaranteed level of service applied to applications that require high bandwidth? True False	False
A parallel transmission is the technique of spreading individual bits of data across multiple, parallel lines to transmit them simultaneously. True False	True
Is a peripheral component interface (PCI) a 32- and 64-bit PC bus architecture that currently prevails as the best and fastest? True False	False
Fault tolerance is a system feature that allows it to continue working after an unexpected hardware or software failure. True False	False
Which of the following refers to a mathematical notation for representing numbers in base 16? Hexadecimal Peridecimal Tridecimal Quad-decimal	Hexadecimal
A vampire tap is an apparatus with a set screw on the upper half that permits the pointed end of the screw to penetrate thickwire coax to a precise depth, where it taps into the center conductor without breaking it. True False	True
Which of the following is a variety of TCP cable, wherein a foil wrap encloses each one or more pairs of wire for additional protection? Twisted-pair Fiber-optic Shielded twisted-pair Sheath-pair	Shielded twisted-pair
A woven mesh of metallic wires, usually either copper or steel, wrapped around the outside of one or more conductive cables is referred to as braiding. True False	True
Signals on a bus generated by the signal bounce effect significantly reduce the performance, but do not render computer communication on the bus network unworkable. True False	False
Because of the ____ phenomenon, a method to ensure that all signals stop when they reach the end of any segment in a bus topology must be devised. signal bounce signal propagation cable termination cable breaks	signal bounce
In the simplest wireless configuration, two computers can communicate directly with one another in a(n) ____ topology. access point point-to-point infrastructure mode ad hoc	access point
On a bus network, open ends in a cable segment must be terminated to prevent ____. signal propagation cable breaks signal bounce cable termination	signal bounce
When purchasing a NIC for a server, you should choose ____-bit PCI-X or PCIe when possible. 8 16 32 64	64
One of the most important jobs a NIC performs is to take outgoing transmissions from the CPU in serial form and recast them into their parallel equivalents. True False	False
Which of the following layers of the OSI model is responsible for managing access to networking medium and for ensuring error-free delivery of data frames from sender to receiver? Presentation Application Data Link None of the a	Data Link

Created by: dashep89

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