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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. A group of access points and associated stations (or basic service sets) connected to the same LAN.
ESS (extended service set)
reassociation
MEO (medium Earth orbiting)
schema
2. A service in which video signals are compressed and delivered over the Internet in a continuous stream so that a user can watch and listen even before all the data has been transmitted.
streaming video
dial return
pipeline
Administrator
3. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
MMC (Microsoft Management Console)
Linux
videoconferencing
hot spot
4. An object in an operating system's directory - such as a printer or user - that does not contain other objects.
H.245
leaf object
RDN (relative distinguished name)
file system
5. An exchange in which a wireless station requests the exclusive right to communicate with an access point and the access point confirms that it has granted that request.
multitasking
child domain
RTS/CTS (Request to Send/Clear to Send)
kernel
6. The preferred Active Directory naming convention for objects when used in informal situations. This name looks like a familiar Internet address - including the positioning of the domain name after the @ sign.
open source software
SSID (service set identifier)
UPN (user principal name)
paging
7. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
802.11g
domain model
replication
scattering
8. The IEEE standard for a wireless networking technique that may issue signals in the 2.4- or 5-GHz band and can achieve actual data throughput between 65 and 600 Mbps. It accomplishes this through several means - including MIMO - channel bonding - and
802.16e
station
802.11n
Linux
9. A nonprofit industry association that owns the UNIX trademark.
MCU (multipoint control unit)
active scanning
The Open Group
System V
10. On a network following the H.323 standard - a gateway that provides translation between network devices running H.323 signaling protocols and devices running other types of signaling protocols (for example - SS7 on the PSTN).
H.323 gateway
wireless gateway
Solaris
video-on-demand
11. On a SIP network - a server that accepts and responds to requests from user agents and SIP proxy servers for location information on recipients that belong to external domains.
AIX
roaming
redirect server
narrowband
12. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.
X Window system
3-tier architecture
UNIX
probe
13. The provision of telephone service over a packet-switched network running the TCP/IP protocol suite.
file access protocol
VoIP (voice over IP)
explicit one-way trust
unified messaging
14. A licensing mode that allows a fixed quantity of clients to use one software package simultaneously.
MGC (media gateway controller)
per user
replication
active scanning
15. A proprietary NOS from Apple Computer that is based on a version of UNIX.
Mac OS X Server
map
DC (domain component)
802.11g
16. 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
lpd (line printer daemon)
diffraction
RDN (relative distinguished name)
forest
17. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
range
SMB (Server Message Block)
man pages (manual pages)
MCU (multipoint control unit)
18. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.
redirect server
Active Directory
physical memory
access point
19. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
BSS (basic service set)
H.323 terminal
UPN (user principal name)
directory
20. An operating system's method of organizing - managing - and accessing its files through logical structures and software routines.
VoIP (voice over IP)
file system
thread
symmetric multiprocessing
21. A representation of a thing or person associated with the network that belongs in the NOS directory.
site survey
LOS (line-of-sight)
object
reassociation
22. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
Linux
namespace
asymmetric multiprocessing
dial return
23. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.
H.245
redirect server
domain
omnidirectional antenna
24. A protocol for communications and resource access between systems - such as clients and servers.
SMB (Server Message Block)
distribution
physical memory
root domain
25. 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).
command interpreter
DN (distinguished name)
lpr
virtual memory
26. The process a wireless station undergoes to find an access point.
multiprocessing
asymmetric multiprocessing
Fedora
scanning
27. In the context of Windows Server 2003 or Server 2008 - a collection of domain trees that use different namespaces. It allows for trust relationships to be established between trees.
forest
per user
GUI (graphical user interface)
IP telephone
28. Currently - the most popular version of WiMAX. IEEE improved the mobility and QoS characteristics of the technology - making it better suited to VoIP and mobile phone users.
MEO (medium Earth orbiting)
UNIX
signaling
802.16e
29. The proprietary version of UNIX that comes from Bell Labs.
System V
namespace
Active Directory
fixed
30. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
EF (Expedited Forwarding)
802.11n
Fedora
workgroup
31. 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
Bluetooth
object
two-way transitive trust
MGC (media gateway controller)
32. A type of object recognized by an NOS directory and defined in an NOS schema.
satellite return
directional antenna
class
wireless spectrum
33. A service in which television signals from broadcast or cable networks travel over packet-switched networks.
IPTV (IP television)
group
spread spectrum
videoconferencing
34. The real-time reception and transmission of images and audio among two or more locations.
spread spectrum
DSSS (direct-sequence spread spectrum)
videoconferencing
OU (organizational unit)
35. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.
middleware
Server Manager
video-on-demand
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
36. 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.
802.11g
H.323 zone
domain controller
domain model
37. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
H.245
Active Directory
FHSS (frequency hopping spread spectrum)
root domain
38. A character that enables you to combine existing commands to form new commands.
object
MEGACO
pipe
attribute
39. 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.
proprietary UNIX
ad hoc
802.11a
AIX
40. A type of satellite that orbits the Earth with an altitude between 100 and 900 miles - closer to the Earth's poles than the orbits of either GEO or MEO satellites.
per seat
probe
set top box
LEO (low Earth orbiting)
41. In LDAP naming conventions - the name of an object.
CN (common name)
RTP (Real-time Transport Protocol)
directory
hot spot
42. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
UPN (user principal name)
AF (Assured Forwarding)
directory
video phone
43. The term used to refer to the different implementations of a particular UNIX or Linux system. For example - different distributions of Linux include Fedora - SUSE - and Ubuntu.
scattering
Bluetooth Special Interest Group (SIG)
Bluetooth
distribution
44. A connection from an orbiting satellite to an Earth-based receiver.
downlink
man pages (manual pages)
EF (Expedited Forwarding)
station
45. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
ESS (extended service set)
schema
Server Manager
iwconfig
46. A change in a wireless signal's strength as a result of some of the electromagnetic energy being scattered - reflected - or diffracted after being issued by the transmitter.
PowerPC
CN (common name)
PBX (private branch exchange)
fading
47. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
set top box
H.323 gatekeeper
redirect server
multipath
48. An end node on a network; used most often in the context of wireless networks. transponder
802.16e
station
DSSS (direct-sequence spread spectrum)
802.11b
49. A Session layer control protocol defined as part of ITU's H.323 multiservice network architecture. It is responsible for controlling a session between two nodes. For example - it ensures that the two nodes are communicating in the same format.
per user
H.245
site survey
domain controller
50. 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).
RTP (Real-time Transport Protocol)
proprietary UNIX
multiprocessing
pipe