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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 internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.
DiffServ (Differentiated Service)
mobile
ATA (analog telephone adapter)
association
2. 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
Server Manager
proxy server
Linux
MMC (Microsoft Management Console)
3. 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.
site license
mobile
downlink
attribute
4. The process of making a disk partition available.
mount
video over IP
Internet telephony
MGC (media gateway controller)
5. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.
Samba
DN (distinguished name)
Server Manager
NTFS (New Technology File System)
6. The software that sits between the client and server in a 3-tier architecture.
middleware
3-tier architecture
EF (Expedited Forwarding)
distribution
7. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.
LOS (line-of-sight)
root domain
member server
H.323 terminal
8. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
Linux
video-on-demand
explicit one-way trust
preemptive multitasking
9. A LAN that uses wireless connections for some or all of its transmissions.
WLAN (wireless LAN)
lpd (line printer daemon)
trust relationship
videoconferencing
10. A proprietary implementation of the UNIX system distributed by IBM.
OU (organizational unit)
AIX
kernel
uplink
11. A representation of a thing or person associated with the network that belongs in the NOS directory.
thread
RDN (relative distinguished name)
registrar server
object
12. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
MEGACO
downlink
child domain
lpr
13. A computer that provides support for multiple H.323 terminals (for example - several workstations participating in a videoconference) and manages communication between them.
softphone
MCU (multipoint control unit)
site license
per seat
14. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.
roaming
H.323 gateway
set top box
unified messaging
15. A type of software license that - for a fixed price - allows any number of users in one location to legally access a program.
leaf object
schema
multiprocessing
site license
16. A proprietary NOS from Apple Computer that is based on a version of UNIX.
H.323 terminal
Mac OS X Server
spread spectrum
command interpreter
17. An operating system's method of organizing - managing - and accessing its files through logical structures and software routines.
Bluetooth
RTCP (Real-time Transport Control Protocol)
file system
shell
18. 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.
diffraction
site survey
PowerPC
man pages (manual pages)
19. A service that uses the ATM network access method (and ATM cells) to transmit voice signals over a network.
IP telephone
WLAN (wireless LAN)
VoATM (voice over ATM)
domain controller
20. A special identifier shared by BSSs that belong to the same ESS.
SSID (service set identifier)
ESSID (extended service set identifier)
forest
wireless spectrum
21. 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.
RSVP (Resource Reservation Protocol)
DiffServ (Differentiated Service)
wireless gateway
command interpreter
22. A telephone switch used to connect calls within a private organization.
ESSID (extended service set identifier)
partition
PBX (private branch exchange)
range
23. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.
domain tree
hierarchical file system
H.323 zone
asymmetric multiprocessing
24. A gateway that can translate IP fax data into analog fax data and vice versa.
signaling
account
IPTV (IP television)
fax gateway
25. 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
3-tier architecture
diffraction
command interpreter
multipath
26. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
AF (Assured Forwarding)
proxy server
file access protocol
asymmetric multiprocessing
27. In the context of 802.11n wireless technology - the combination of two 20-MHz frequency band to create one 40-MHz frequency band that can carry more than twice the amount of data that a single 20-MHz band could. It's recommended for use only in the 5
proxy server
MGCP (Media Gateway Control Protocol)
user agent server
channel bonding
28. A nonprofit industry association that owns the UNIX trademark.
redirect server
video-on-demand
PAN (personal area network)
The Open Group
29. The geographical area in which signals issued from an antenna or wireless system can be consistently and accurately received.
range
WLAN (wireless LAN)
domain controller
lpr
30. A logical representation of a networked printer's functionality.
child domain
WLAN (wireless LAN)
printer queue
station
31. A service that transmits faxes over a TCP/IP network.
SPARC
FoIP (fax over IP)
Active Directory
GEO (geosynchronous orbit or geostationary orbit)
32. A method of satellite Internet access in which a subscriber receives data via a satellite downlink transmission - but sends data to the satellite via an analog modem (dialup) connection.
SMB (Server Message Block)
hot spot
dial return
proprietary UNIX
33. A routine of sequential instructions that runs until it has achieved its goal.
BSD (Berkeley Software Distribution)
SPARC
process
member server
34. A well-defined - self-contained subset of a process. U
range
thread
Fedora
BSS (basic service set)
35. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
MMC (Microsoft Management Console)
wireless gateway
namespace
explicit one-way trust
36. A type of antenna that issues wireless signals along a single direction - or path.
redirector
BSSID (basic service set identifier)
directional antenna
shell
37. An access point that provides routing functions and is used as a gateway.
3-tier architecture
wireless gateway
user agent client
MCU (multipoint control unit)
38. 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.
hierarchical file system
domain tree
802.11g
GEO (geosynchronous orbit or geostationary orbit)
39. The computer instructions written in a programming language that is readable by humans.
source code
directional antenna
DiffServ (Differentiated Service)
MGCP (Media Gateway Control Protocol)
40. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.
account
Solaris
redirect server
X Window system
41. In SIP terminology - a server that responds to user agent clients' requests for session initiation and termination.
spread spectrum
domain model
user agent server
AF (Assured Forwarding)
42. A pictorial representation of computer functions and elements that - in the case of NOSs - enables administrators to more easily manage files - users - groups - security - printers - and other issues.
multipath
GUI (graphical user interface)
shell
LOS (line-of-sight)
43. 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.
satellite return
forest
narrowband
MGCP (Media Gateway Control Protocol)
44. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
man pages (manual pages)
Bluetooth
LDAP (Lightweight Directory Access Protocol)
Webcast
45. A protocol used for communication between media gateway controllers and media gateways.
man pages (manual pages)
MIMO (multiple input-multiple output)
MGCP (Media Gateway Control Protocol)
per seat
46. 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
reassociation
channel bonding
802.11n
proxy server
47. The provision of telephone service over the Internet.
redirect server
open source software
Internet telephony
Bluetooth Special Interest Group (SIG)
48. A proprietary implementation of the UNIX operating system by Sun Microsystems.
Solaris
VoIP (voice over IP)
mobile
explicit one-way trust
49. 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
GEO (geosynchronous orbit or geostationary orbit)
Bluetooth
DSSS (direct-sequence spread spectrum)
redirect server
50. The GUI environment for UNIX and Linux systems.
redirector
H.323 terminal
X Window system
LDAP (Lightweight Directory Access Protocol)