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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 customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
attribute
directory
MMC (Microsoft Management Console)
symmetric multiprocessing
2. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.
DSSS (direct-sequence spread spectrum)
reflection
symmetric multiprocessing
wireless broadband
3. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
PAN (personal area network)
proxy server
video-on-demand
iwconfig
4. 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
PowerPC
active scanning
omnidirectional antenna
file access protocol
5. A protocol used between media gateway controllers and media gateways. It is poised to replace MGCP on modern converged networks - as it supports a broader range of network technologies - including ATM. Also known as H.248.
workgroup
namespace
H.323 gateway
MEGACO
6. The action of associating a disk - directory - or device with a drive letter.
map
lpr
namespace
domain controller
7. An ITU standard that describes an architecture and a suite of protocols for establishing and managing multimedia services sessions on a packet-switched network.
H.323
H.323 gateway
GUI (graphical user interface)
multipath
8. 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.
user agent client
reassociation
redirector
GUI (graphical user interface)
9. A unique character string used to identify an access point on an 802.11 network.
proxy server
IP telephone
SSID (service set identifier)
UNIX
10. 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.
trust relationship
LEO (low Earth orbiting)
namespace
probe
11. A telephone used for VoIP on a TCP/IP-based network.
two-way transitive trust
domain
IP telephone
dial return
12. 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
H.225
satellite return
BSD (Berkeley Software Distribution)
RTS/CTS (Request to Send/Clear to Send)
13. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
lpr
attribute
domain controller
OU (organizational unit)
14. The computer instructions written in a programming language that is readable by humans.
leaf object
X Window system
redirector
source code
15. A well-defined - self-contained subset of a process. U
thread
NTFS (New Technology File System)
signaling
Active Directory
16. 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.
passive scanning
directional antenna
DSSS (direct-sequence spread spectrum)
virtualization
17. A version of Linux packaged and distributed by Red Hat.
Fedora
tree
IPTV (IP television)
man pages (manual pages)
18. A wireless signaling technique in which a signal jumps between several different frequencies within a band in a synchronization pattern known to the channel's receiver and transmitter.
FHSS (frequency hopping spread spectrum)
preemptive multitasking
radiation pattern
RSVP (Resource Reservation Protocol)
19. A service that runs on a client workstation and determines whether the client's request should be handled by the client or the server.
station
AF (Assured Forwarding)
redirector
wireless gateway
20. The process a wireless station undergoes to find an access point.
domain
scanning
asymmetric multiprocessing
page file
21. A connection from an orbiting satellite to an Earth-based receiver.
802.11b
H.245
System V
downlink
22. 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.
CIFS (Common Internet File System)
group
GEO (geosynchronous orbit or geostationary orbit)
H.245
23. A character that enables you to combine existing commands to form new commands.
pipe
proxy server
ad hoc
WLAN (wireless LAN)
24. 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.
command interpreter
directory
preemptive multitasking
GUID (globally unique identifier)
25. An internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.
ad hoc
MCU (multipoint control unit)
ATA (analog telephone adapter)
H.323 gateway
26. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
GEO (geosynchronous orbit or geostationary orbit)
directory
schema
hot spot
27. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
LDAP (Lightweight Directory Access Protocol)
group
AF (Assured Forwarding)
radiation pattern
28. A group of access points and associated stations (or basic service sets) connected to the same LAN.
LDAP (Lightweight Directory Access Protocol)
802.11a
GNU
ESS (extended service set)
29. A type of wireless transmission in which lower-level signals are distributed over several frequencies simultaneously.
Internet telephony
spread spectrum
domain tree
virtual memory
30. A protocol suite codified by the IETF (in RFC 2543) as a set of Session layer signaling and control protocols for multiservice - packet-based networks.
SIP (Session Initiation Protocol)
multipath
DC (domain component)
redirector
31. A type of antenna that issues wireless signals along a single direction - or path.
Mac OS X Server
virtual memory
directional antenna
NTFS (New Technology File System)
32. A service that transmits faxes over a TCP/IP network.
map
access point
Active Directory
FoIP (fax over IP)
33. 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.
Fedora
RSVP (Resource Reservation Protocol)
RTCP (Real-time Transport Control Protocol)
process
34. A small (usually home) network composed of personal communications devices.
AF (Assured Forwarding)
man pages (manual pages)
VoIP (voice over IP)
PAN (personal area network)
35. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.
multitasking
H.245
UPN (user principal name)
H.323 zone
36. The nerve center for networks that adhere to H.323. IT authorize and authenticate terminals and gateways - manage bandwidth - and oversee call routing - accounting - and billing.
H.323 gatekeeper
System V
GUID (globally unique identifier)
asymmetric multiprocessing
37. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
man pages (manual pages)
probe
file system
fading
38. The GUI environment for UNIX and Linux systems.
Bluetooth Special Interest Group (SIG)
uplink
page file
X Window system
39. A type of object recognized by an NOS directory and defined in an NOS schema.
class
branch
H.245
PowerPC
40. 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
RTP (Real-time Transport Protocol)
pipe
video-on-demand
symmetric multiprocessing
41. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
iwconfig
MCU (multipoint control unit)
Active Directory
EF (Expedited Forwarding)
42. A service that uses the ATM network access method (and ATM cells) to transmit voice signals over a network.
MEGACO
VoATM (voice over ATM)
account
hot spot
43. 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
proprietary UNIX
role
inherited
44. Another term for the UNIX command interpreter.
VoATM (voice over ATM)
tree
shell
uplink
45. 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.
satellite return
site survey
Bluetooth Special Interest Group (SIG)
replication
46. A private switch that accepts and interprets both analog and digital voice signals (although some IP-PBXs do not accept analog lines). It can connect with both traditional PSTN lines and data networks. |
IP-PBX
downlink
domain
AF (Assured Forwarding)
47. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.
middleware
wireless router
MMC (Microsoft Management Console)
NFS (Network File System)
48. A LAN that uses wireless connections for some or all of its transmissions.
RSVP (Resource Reservation Protocol)
page file
WLAN (wireless LAN)
paging
49. A technique for ensuring QoS by prioritizing traffic.
softphone
802.11g
command interpreter
DiffServ (Differentiated Service)
50. A continuum of electromagnetic waves used for data and voice
wireless spectrum
child domain
replication
H.323 terminal