Term
What Air Force instruction series covers communications and information? |
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Definition
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Term
What Air Force publication establishes policy on how C4 systems are acquired, operated, and maintained? |
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Definition
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Term
What Air Force publication indentifies responsibilities for supporting critical Air Force communications and information networks, primarily through network control centers? |
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Definition
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Term
What Air Force publication provides the policy and procedures for certifying network professionals who manage and operate government-provided information systems on Air Force networks? |
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Definition
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Term
What organization does communication and information services entering and exiting the base or site fall under the operational control of? |
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Definition
(c) Base network control center |
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Term
What function within the Network Control Center provides technical assistance to the unit functional system administrators and workgroup managers? |
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Definition
(d) Network administration |
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Term
Whose network area of responsibility starts at the user's terminal and ends at the server, but does not include the network backbone infrastructure components? |
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Definition
(b) Unit functional systems administrator |
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Term
What AFI set the policies that unit client support administrators must comply with? |
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Definition
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Term
What Network Control Center function responds to detected security incidents, network faults (errors), and user reported outages at the time of help desk referral? |
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Definition
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Term
What Network Control Center function is the central point of contact for network distribution and maintenance/update of an Air Force Computer Emergency Response Team and automated systems security and antivirus software? |
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Definition
(d) Configuration management |
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Term
Performance management can be broken into which two seperate fuctional categories |
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Definition
(a) Monitoring and Tuning |
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Term
To determine the level of network service provided to the users, you will make a measurement of the total response time |
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Definition
(d) rejection rate and availability of the network |
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Term
What Network Control Center function increases network reliability by giving the network manager tools to detect problems and initiate recovery procedures? |
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Definition
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Term
What does Network Security work to ensure about a network? |
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Definition
(a) Availability, confidentiality, and integrity of data |
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Term
Which of the following are jobs performed by a help desk technician on a daily basis? |
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Definition
(b) Network monitoring, account unlocks, and account creations |
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Term
Within the Network Control Center, what function is initially responsible for taking trouble calls, deciding what type problem has occurred, and what to do about the problem? |
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Definition
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Term
What is the most important skill you can develop as a help desk operator? |
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Definition
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Term
What software is used to open trouble tickets for customer trouble calls? |
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Definition
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Term
What is a set of subnets that are connected with routers? |
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Definition
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Term
What is a set of systems/nodes on a local segment that can be off of a switch or a router? |
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Definition
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Term
What type of network environments consist of computer systems from different vendors that run different operating systems and communication protocols? |
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Definition
(d) Heterogeneous Network |
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Term
What type of network is made up of components from the same vendor or compatible equipment that all run under the same operation system or network operation system? |
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Definition
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Term
What type of communications network serves users within a confined geographical area? |
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Definition
(a) Local area network (LAN) |
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Term
What type of communications network links geographically dispersed offices in other cities or around the globe? |
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Definition
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Term
How many users are in a peer-to-peer network? |
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Definition
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Term
How many users are in a single-server network? |
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Definition
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Term
How many users are in a multi-server high-speed backbone network? |
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Definition
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Term
In most cases the frequencies used by wireless networks are in what frequency band? |
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Definition
(d) Industrial, scientific, and medical (ISM) |
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Term
What is the distorting and/or weakening of a signal as it traverses the media called? |
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Definition
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Term
What is the measurement of data transferred through the medium between network connections? |
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Definition
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Term
What is a form of communication that transmits information as a serial stream of bits or bytes? |
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Definition
(a) Asynchrounous communication |
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Term
Which of the following categories of twisted-pair cable has the highest throughput? |
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Definition
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Term
A fiber optic network uses a laser of light-emitting diode to send a signal through what portion of the cable? |
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Definition
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Term
Light signals in fiber optic cables can travel distances in excess of how many miles before they need to be boosted? |
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Definition
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Term
What type of optic fiber is used to span extremely long distances? |
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Definition
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Term
What type of optic fiber is designed for the local area network environment and light is typically generated with a light emitting diode? |
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Definition
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Term
What are the principal advantages of fiber optics with present day transmission technology? |
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Definition
(a) Sturdiness and security |
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Term
What network topology consists of a single central cable to which all computers and other devices connect? |
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Definition
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Term
What is the greatest risk to a bus network? |
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Definition
(c) The bus itself becoming inoperable |
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Term
On what network topology can multiple transmit frames co-exist? |
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Definition
(d) Fiber Distributed Data Interface (FDDI) |
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Term
What is the major Department of Defense contribution to networking? |
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Definition
(d) The Transmission Control Protocol/Internet Protocol (TCP/IP) Suite |
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Term
What is the set of rules that define how communications are to take place in a network, including the format, timing, sequences, and error checking and correction? |
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Definition
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Term
What layer of the Open Systems Interconnection (OSI) reference model is really a set of rules regarding the hardware used to transmit data? |
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Definition
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Term
What layer of the Open Systems Interconnection (OSI) reference model provides the grammer by which machines converse with each other and serves as a vehicle for informations transmission? |
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Definition
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Term
What layer of the Open Systems Interconnection (OSI) reference model prevent a fast computer from overwhelming a slow terminal? |
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Definition
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Term
A feature which involves the periodic insertion of points into data from which any recovery necessary can be started is known as what? |
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Definition
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Term
What layer of the Open Systems Interconnection (OSI) reference model is concerned with network security, file transfers, and formatting functions? |
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Definition
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Term
The IEEE 802.3 standard describes a local area network using what kind of topology? |
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Definition
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Term
What protocol is used by the IEEE 802.3 standard to avoid collisions on the network? |
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Definition
(d) Carrier Sense Multiple Access/Collision Detection (CSMA/CD) |
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Term
What does a station specifically send when it sends a general request through the network asking any station to respond to receive the token? |
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Definition
(d) Solicit successor frame |
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Term
The IEEE 802.5 standard was developed to cover what local area network topolgy? |
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Definition
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Term
Why can a token rign network cover greater distance than a token bus network without a loss of signal? |
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Definition
(b) Because each workstation repeats the signal |
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Term
What X series protocol is a Message Handling System (MHS) standard, that defines the structure of a store-and-forward e-mail message handling system? |
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Definition
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Term
***Deleted Question (Rewritten the question should read as follows)*** What X series protocol is a Directory Services specification that provides standards and guidelines for representing, accessing, and using information stored in a directory? |
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Definition
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Term
Which protocol of TCP/IP provides connectionless datagram "network access" layer? |
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Definition
(a) Internet protocol (IP) |
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Term
Which protocol of TCP/IP is a connection oriented, reliable, host-to-host transport protocol? |
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Definition
(b) Transmission control protocol (TCP) |
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Term
What makes it possible for implementers to produce new Network File System (NFS) systems without having to reconstruct their own system's internal data representation formats to suit NFS? |
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Definition
(c) eXternal data representation |
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Term
As information passes down through the protocol layers, what is the packet that is formed called? |
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Definition
(c) Protocol data unit (PDU) |
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Term
What is the only layer in the OSI reference model that simply transmits the completed frame? |
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Definition
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Term
What layer in the OSI reference model adds a trailer to the packet? |
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Definition
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Term
In the Ethernet environment, what is the minimum number of octets in a frame so it can be sent and received? |
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Definition
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Term
What is used to identify network nodes on a physically connected network? |
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Definition
(a) Media access control (MAC) address |
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Term
What is the binary equivalent to the dotted decimal number 96? |
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Definition
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Term
How many octets in the standard Internet Protocol (IP) address broken down into? |
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Definition
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Term
What type of mask is used within a network that uses the same amount of bits for masking for all subnetworks? |
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Definition
(b) Standard ***answer is not in the book, but its the only one that makes sense *** |
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Term
What communications device converts binary electrical signals into acoustic signals for transmission over telephone lines? |
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Definition
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Term
What communications device is used for converting analog signal to digital for transmission on digital lines? |
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Definition
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Term
What Network Interface Card module drives the signal onto and from the physical medium? |
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Definition
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Term
What Network Interface Card module converts information into a coded data stream? |
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Definition
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Term
What Network Interface Card module temporarily holds data for processing to or from the network? |
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Definition
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Term
What network component serves as a central connecting point and is used to extend the physical media by repeating the signal it receives in one port out to all the other ports indiscriminately? |
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Definition
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Term
What type of hub has special capabilities for configurations and or management? |
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Definition
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Term
What network condition usually begins slowly and (if not stopped) gradually grows in severity until all traffic flow on the network is effectively stopped? |
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Definition
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Term
What is a group of devices connected to the same physical media such that if two devices access the media at the same time, the result is a collision of the two signals? |
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Definition
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Term
The purpose of a network repeater is that it |
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Definition
(b) regenerates any signal received |
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Term
What is a local area network connection device with two or more ports that forward frames from on LAN segment to another? |
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Definition
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Term
What are the four basic function of a bridge? |
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Definition
(a) Listen, learn, filter, forward |
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Term
Bridging loops are created when |
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Definition
(b) there is more than one path to the destination |
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Term
What is used to logically eliminate loops within a network? |
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Definition
(d) Spanning Tree Algorithm |
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Term
The bridge in a network with the highest priority (the lowest number) is called the |
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Definition
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Term
Switching conducted at the layer 2 category is based soley upon what information? |
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Definition
(a) The Media Access Control address |
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Term
Switching conducted at the layer 3 category is based upon what information? |
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Definition
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Term
What type of switch is limited in its applications to small workgroups where throughput is an issue but where potential network errors will not upset the network? |
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Definition
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Term
What type of switch reads the first 64 bytes before forwarding the frame? |
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Definition
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Term
What is the technology called that allows NICs to determine the type of ethernet signal transmitted by a device at the other end and adjust its speed to the highest common speed between the two devices? |
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Definition
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Term
What is a logical grouping of end stations, independent of physical location, with a common set of requirements called? |
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Definition
(d) Virtual local area network (VLAN) |
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Term
What is the most common method of defining VLAN membership? |
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Definition
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Term
At what level of the OSI model does a router work? |
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Definition
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Term
What is the primary device used for connecting these networks, both within and between networks? |
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Definition
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Term
The function performed by a router to move information from one router to another according to decided path determination is |
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Definition
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Term
What type of routing is the establishment of routes by the network administrator that changes only when done manually? |
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Definition
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Term
What type of routing involves the use of routing protocols that adjust real-time to chaning network circumstances? |
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Definition
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Term
In what Dynamic Routing protocol must packets go the complete distance before discovering the destination is unreachable? |
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Definition
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Term
What routing metric is generally based upon the bit-error rate of the link? |
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Definition
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Term
What prevents a router from sending route information back to the router form which it came? |
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Definition
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Term
What acts as a translator between two workstations or networks that use different operating systems, communication protocols, and data format structures? |
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Definition
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Term
Where is the backup copy of the Cisco Internet Operating System configuration information stored in the internetworking device? |
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Definition
(b) Nonvolatile random access memory (NVRAM) |
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Term
What are the network connections through which network traffic enters and exits a router called? |
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Definition
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Term
What prompt is displayed when in the user Exec mode on a router? |
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Definition
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Term
What prompt is displayed when in the Privileged Exec mode on a router? |
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Definition
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Term
From what level can all other command modes be accessed? |
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Definition
(c) Priviliged Exec level |
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Term
From what mode is the banner motd command used in? |
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Definition
(c) Global configuration mode |
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Term
What command is used to restrict assess to the Privileged Exec mode? |
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Definition
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Term
What command interface configuration command is used to activate an interface? |
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Definition
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Term
To view the current configuration of a router, what command is used from the privileged exec mode? |
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Definition
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Term
What command is used to change the bootup values within ROM monitor mode? |
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Definition
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Term
What filters network traffic by controlling whether routed packets are forwarded or blocked at the router's interface? |
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Definition
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Term
What to all access lists end with? |
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Definition
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Term
Router access lists must be applied to |
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Definition
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Term
What does a standard access list use to filter packets? |
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Definition
(b) Source Internet Protocol address |
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Term
What is the range of numbers that represent standard access lists? |
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Definition
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Term
What kind of server is set aside to perform a specific task or function all the time? |
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Definition
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Term
What network type normally utilizes non-dedicated servers? |
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Definition
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Term
What is required due to the differences between the physical speed of the print device and the processing speed of the workstation generating the print job. |
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Definition
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Term
What frees the computer's attention so the user can continue working while waiting for a document to print? |
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Definition
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Term
What type of server is a bundle of application software designed to significantly improve network efficiency and productivity? |
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Definition
(c) Network Management System (NMS) |
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Term
What two types of environments are network operating systems implemented upon? |
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Definition
(d) Peer-to-peer and client server |
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Term
Within the Windows environment, what is the central repository for the entire software and hardware configuration settings in a computer running the Windows based NT operating system? |
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Definition
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Term
What is a set of keys, subkeys, and values from the registry stored in its own file location called? |
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Definition
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Term
Data in which root-key determines which drivers and sevices will load during the boot process? |
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Definition
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Term
What is a set of statistical measurments made over a period of time that characterizes network performance? |
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Definition
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Term
What is a detailed analysis of the performance of a specific application or a specific network element? |
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Definition
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Term
What network performance criteria is the most significant statistic to be collected and calculated? |
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Definition
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Term
The measurement of traffic volume actually being carried by the network, typically expressed in kilobytes per second is |
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Definition
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