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Test your basic knowledge |
Comptia Network + Wireless NOS Voip
Start Test
Study First
Subjects
:
certifications
,
comptia-network-+
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. An end node on a network; used most often in the context of wireless networks. transponder
AF (Assured Forwarding)
station
MEGACO
802.11a
2. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
iwconfig
lpd (line printer daemon)
RTS/CTS (Request to Send/Clear to Send)
scanning
3. In general - a listing that organizes resources and correlates them with their properties. In the context of NOSs - a method for organizing and managing objects.
RTS/CTS (Request to Send/Clear to Send)
LDAP (Lightweight Directory Access Protocol)
directory
preemptive multitasking
4. The term used to refer to a satellite that maintains a constant distance from a point on the equator at every point in its orbit.
Bluetooth Special Interest Group (SIG)
GEO (geosynchronous orbit or geostationary orbit)
GNU
DN (distinguished name)
5. On a SIP network - a server that accepts requests for location information from user agents - then queries the nearest registrar server on behalf of those user agents. If the recipient user agent is in the SIP proxy server's domain - then that server
streaming video
kernel module
proxy server
multitasking
6. A type of satellite Internet access service in which a subscriber sends and receives data to and from the Internet over the satellite link. This is a symmetrical technology - in which both upstream and downstream throughputs are advertised to reach 4
workgroup
satellite return
GEO (geosynchronous orbit or geostationary orbit)
RSVP (Resource Reservation Protocol)
7. A proprietary NOS from Apple Computer that is based on a version of UNIX.
object
user agent server
virtual memory
Mac OS X Server
8. The process a wireless station undergoes to find an access point.
leaf object
scanning
kernel
IP-PBX
9. The IEEE standard for a wireless networking technique that uses DSSS (directsequence spread spectrum) signaling in the 2.4-2.4835-GHz frequency range (also called the 2.4-GHz band). It separates the 2.4-GHz band into 14 overlapping 22-MHz channels an
user agent server
schema
802.11b
H.245
10. A transmission technique in which a signal's bits are distributed over an entire frequency band at once. Each bit is coded so that the receiver can reassemble the original signal upon receiving the bits.
DSSS (direct-sequence spread spectrum)
802.16e
LOS (line-of-sight)
The Open Group
11. A variable property associated with a network object. For example - a restriction on the time of day a user can log on is an attribute associated with that user object.
per seat
attribute
active scanning
ad hoc
12. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.
lpr
domain
inherited
iwconfig
13. A wireless networking standard that uses FHSS (frequency hopping spread spectrum) signaling in the 2.4-GHz band to achieve a maximum throughput of either 723 Kbps or 2.1 Mbps - depending on the version. IT was designed for use primarily with small of
DC (domain component)
Bluetooth
MGCP (Media Gateway Control Protocol)
uplink
14. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
802.11g
forest
scanning
domain controller
15. A method of multiprocessing that splits all operations equally among two or more processors.
explicit one-way trust
symmetric multiprocessing
role
access point
16. A long form of an object's name in Active Directory that explicitly indicates the object name - plus the names of its containers and domains. It includes a DC (domain component) - OU (organizational unit) - and CN (common name).
DN (distinguished name)
Mac OS X Server
virtual memory
SIP (Session Initiation Protocol)
17. A UNIX or Linux file system information storage area that holds all details about a file. This information includes the size - the access rights - the date and time of creation - and a pointer to the actual contents of the file.
NFS (Network File System)
root domain
inode (information node)
schema
18. A logical representation of a networked printer's functionality.
range
printer queue
MGCP (Media Gateway Control Protocol)
distribution
19. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
Fedora
AF (Assured Forwarding)
H.225
RTCP (Real-time Transport Control Protocol)
20. A service that transmits faxes over a TCP/IP network.
BSS (basic service set)
video over IP
FoIP (fax over IP)
MCU (multipoint control unit)
21. Any implementation of UNIX for which the source code is either unavailable or available only by purchasing a licensed copy from Novell (costing as much as millions of dollars).
SPARC
hot spot
fax gateway
proprietary UNIX
22. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.
Internet telephony
ad hoc
attribute
NFS (Network File System)
23. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
wireless broadband
scanning
namespace
dial return
24. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.
VoIP (voice over IP)
ATA (analog telephone adapter)
SSID (service set identifier)
redirector
25. A Transport layer protocol used with voice and video transmission. It operates on top of UDP and provides information about packet sequence to help receiving nodes detect delay and packet loss. It also assigns packets a timestamp that corresponds to
ATA (analog telephone adapter)
RTP (Real-time Transport Protocol)
OU (organizational unit)
Mac OS X Server
26. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
domain model
user agent server
reassociation
SPARC
27. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
directory
middleware
role
scattering
28. An IEEE standard for wireless MANs. Its networks may use frequencies between 2 and 66 GHz. Their antennas may operate in a line-of-sight or non-line-of-sight manner and cover 50 kilometers (or approximately 30 miles). Its connections can achieve a ma
video phone
wireless broadband
file system
802.16
29. A means of collectively managing users' permissions and restrictions applied to shared resources.
group
middleware
RTCP (Real-time Transport Control Protocol)
file access protocol
30. A type of wireless system in which the receiver can be located anywhere within the transmitter's range. This allows the receiver to roam from one place to another while continuing to pick up its signal.
domain model
mobile
child domain
domain controller
31. The brand of computer central processing unit invented by Apple Computer - IBM - and Motorola - Inc. - and used in IBM servers.
page file
ESSID (extended service set identifier)
PowerPC
diffraction
32. The GUI environment for UNIX and Linux systems.
printer queue
X Window system
workgroup
trust relationship
33. A program (usually text-based) that accepts and executes system programs and applications on behalf of users. Often - it includes the ability to execute a series of instructions that are stored in a file.
station
DN (distinguished name)
command interpreter
3-tier architecture
34. The ability of a processor to perform multiple activities in a brief period of time (often seeming simultaneous to the user
domain model
multitasking
MGCP (Media Gateway Control Protocol)
user agent server
35. A file system developed by Microsoft and used with its Windows NT - Windows 2000 Server - Windows Server 2003 - and Windows 2008 operating systems.
video over IP
omnidirectional antenna
NTFS (New Technology File System)
two-way transitive trust
36. A connection from an Earth-based transmitter to an orbiting satellite.
object
forest
uplink
GUI (graphical user interface)
37. A character that enables you to combine existing commands to form new commands.
Internet telephony
IPTV (IP television)
multipath
pipe
38. A network access method used on 802.11 wireless networks. In it - before a node begins to send data it checks the medium. If it detects no transmission activity - it waits a brief - random amount of time - and then sends its transmission. If the node
virtualization
Solaris
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
IP telephone
39. A type of wireless transmission in which lower-level signals are distributed over several frequencies simultaneously.
spread spectrum
unified messaging
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
SIP (Session Initiation Protocol)
40. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
preemptive multitasking
probe
passive scanning
lpr
41. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.
LEO (low Earth orbiting)
kernel module
wireless broadband
VoIP (voice over IP)
42. A special identifier shared by BSSs that belong to the same ESS.
wireless
child domain
ESSID (extended service set identifier)
domain model
43. The process of making a disk partition available.
mount
Active Directory
inode (information node)
directory
44. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
MGCP (Media Gateway Control Protocol)
trust relationship
roaming
set top box
45. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
domain
GUID (globally unique identifier)
FHSS (frequency hopping spread spectrum)
LEO (low Earth orbiting)
46. In the context of wireless signal propagation - the phenomenon that occurs when an electromagnetic wave encounters an obstruction and splits into secondary waves. The secondary waves continue to propagate in the direction in which they were split. Th
diffraction
BSD (Berkeley Software Distribution)
domain controller
Bluetooth Special Interest Group (SIG)
47. On a SIP network - a server that maintains a database containing information about the locations (network addresses) of each user agent in its domain. When a user agent joins a SIP network - it transmits its location information to the SIP registrar
root domain
virtual memory
registrar server
redirector
48. The name of the primary file system used in most Linux distributions.
AIX
toll bypass
ext3
object
49. A type of antenna that issues and receives wireless signals with equal strength and clarity in all directions. This type of antenna is used when many different receivers must be able to pick up the signal - or when the receiver's location is highly m
attribute
omnidirectional antenna
H.225
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
50. A gateway that can translate IP fax data into analog fax data and vice versa.
BSD (Berkeley Software Distribution)
SMB (Server Message Block)
paging
fax gateway