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Test your basic knowledge |
Comptia Network + Wireless NOS Voip
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Subjects
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certifications
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comptia-network-+
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
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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. A version of Linux packaged and distributed by Red Hat.
Fedora
CIFS (Common Internet File System)
pipeline
802.11b
2. A small (usually home) network composed of personal communications devices.
active scanning
H.323 gatekeeper
PAN (personal area network)
Active Directory
3. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.
UNIX
lpr
CN (common name)
wireless spectrum
4. 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.
attribute
hot spot
map
wireless broadband
5. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
domain tree
IP-PBX
Bluetooth Special Interest Group (SIG)
root domain
6. A standard protocol for accessing network directories.
GEO (geosynchronous orbit or geostationary orbit)
LDAP (Lightweight Directory Access Protocol)
GNU
BSD (Berkeley Software Distribution)
7. A routine of sequential instructions that runs until it has achieved its goal.
LDAP (Lightweight Directory Access Protocol)
fading
MGCP (Media Gateway Control Protocol)
process
8. A type of WLAN in which stations communicate with an access point and not directly with each other.
role
domain
schema
infrastructure WLAN
9. 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.
range
directory
lpd (line printer daemon)
paging
10. A Session layer call signaling protocol defined as part of ITU's H.323 multiservice network architecture. It is responsible for call or videoconference setup between nodes on a VoIP or video-over-IP network - indicating node status - requesting addit
spread spectrum
ext3
physical memory
H.225
11. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
namespace
file access protocol
radiation pattern
MGCP (Media Gateway Control Protocol)
12. A client/server environment that uses middleware to translate requests between the client and server.
3-tier architecture
iwconfig
namespace
group
13. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
Linux
BSD (Berkeley Software Distribution)
domain model
station
14. A device used on wireless LANs that transmits and receives wireless signals to and from multiple nodes and retransmits them to the rest of the network segment. Those can connect a group of nodes with a network or two networks with each other. They ma
streaming video
X Window system
Solaris
access point
15. 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
IP telephone
class
proxy server
mount
16. A protocol used for communication between media gateway controllers and media gateways.
MGCP (Media Gateway Control Protocol)
videoconferencing
beacon frame
inherited
17. A representation of a thing or person associated with the network that belongs in the NOS directory.
MCU (multipoint control unit)
account
mobile
object
18. An attribute of an object that identifies the object separately from its related container(s) and domain.
H.225
RDN (relative distinguished name)
tree
LOS (line-of-sight)
19. A licensing mode that allows a fixed quantity of clients to use one software package simultaneously.
file access protocol
per user
fixed
virtualization
20. The IEEE standard for a wireless networking technique designed to be compatible with 802.11b while using different encoding techniques that allow it to reach a theoretical maximum capacity of 54 Mbps. It uses the 2.4-GHz frequency band.
object
802.11g
pipeline
leaf object
21. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.
RDN (relative distinguished name)
uplink
RTCP (Real-time Transport Control Protocol)
physical memory
22. A file on the hard drive that is used for virtual memory.
LOS (line-of-sight)
page file
physical memory
dial return
23. An access point that provides routing functions and is used as a gateway.
schema
H.323 gatekeeper
wireless gateway
3-tier architecture
24. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
BSS (basic service set)
AF (Assured Forwarding)
Administrator
MGC (media gateway controller)
25. A special identifier shared by BSSs that belong to the same ESS.
trust relationship
ESSID (extended service set identifier)
video phone
roaming
26. A companion protocol to RTP - defined in RFC 3550 by the IETF - RTCP provides feedback on the quality of a call or videoconference to its participants.
RTCP (Real-time Transport Control Protocol)
signaling
range
fax gateway
27. The GUI environment for UNIX and Linux systems.
X Window system
EF (Expedited Forwarding)
Webcast
process
28. 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
site survey
per user
registrar server
DSSS (direct-sequence spread spectrum)
29. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
namespace
beacon frame
page file
probe
30. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
range
man pages (manual pages)
MEGACO
video-on-demand
31. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
child domain
scattering
fixed
root
32. In SIP terminology - a server that responds to user agent clients' requests for session initiation and termination.
user agent server
role
802.11b
MIMO (multiple input-multiple output)
33. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.
root
diffraction
redirector
VoDSL (voice over DSL)
34. A method of multiprocessing that splits all operations equally among two or more processors.
802.11b
symmetric multiprocessing
RTP (Real-time Transport Protocol)
VoIP (voice over IP)
35. The IEEE standard for a wireless networking technique that uses multiple frequency bands in the 5-GHz frequency range and provides a theoretical maximum throughput of 54 Mbps.
spread spectrum
open source software
preemptive multitasking
802.11a
36. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
workgroup
FoIP (fax over IP)
pipe
NTFS (New Technology File System)
37. The brand of computer central processing unit invented by Apple Computer - IBM - and Motorola - Inc. - and used in IBM servers.
wireless
MEGACO
SPARC
PowerPC
38. In the context of wireless networking - an assessment of client requirements - facility characteristics - and coverage areas to determine an access point arrangement that will ensure reliable wireless connectivity within a given area.
RDN (relative distinguished name)
System V
site survey
wireless gateway
39. 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).
wireless broadband
reflection
DN (distinguished name)
user agent client
40. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.
pipeline
802.11n
CIFS (Common Internet File System)
DC (domain component)
41. In IEEE terminology - a group of stations that share an access point.
iwconfig
BSS (basic service set)
fading
H.225
42. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
user agent client
GNU
video phone
range
43. 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.
group
uplink
site survey
mobile
44. A protocol for communications and resource access between systems - such as clients and servers.
LDAP (Lightweight Directory Access Protocol)
SMB (Server Message Block)
toll bypass
object
45. A type of antenna that issues wireless signals along a single direction - or path.
WLAN (wireless LAN)
MCU (multipoint control unit)
asymmetric multiprocessing
directional antenna
46. A proprietary implementation of the UNIX system distributed by IBM.
source code
Mac OS X Server
root domain
AIX
47. In the context of wireless networking - the process in which a station listens to several channels within a frequency range for a beacon issued by an access point.
wireless spectrum
passive scanning
MEGACO
BSD (Berkeley Software Distribution)
48. An internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.
set top box
file system
GUID (globally unique identifier)
ATA (analog telephone adapter)
49. A LAN that uses wireless connections for some or all of its transmissions.
WLAN (wireless LAN)
uplink
VoIP (voice over IP)
distribution
50. A connection from an orbiting satellite to an Earth-based receiver.
site license
paging
downlink
PBX (private branch exchange)
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