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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. The type of multitasking in which tasks are actually performed one at a time - in very brief succession. One program uses the processor for a certain period of time - then is suspended to allow another program to use the processor.
Bluetooth Special Interest Group (SIG)
preemptive multitasking
infrastructure WLAN
explicit one-way trust
2. The technique of splitting tasks among multiple processors to expedite the completion of any single instruction.
IP telephone
H.323 gatekeeper
System V
multiprocessing
3. 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.
infrastructure WLAN
H.323 gatekeeper
roaming
UNIX
4. 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.
SIP (Session Initiation Protocol)
RTCP (Real-time Transport Control Protocol)
middleware
PBX (private branch exchange)
5. In LDAP naming conventions - the name of an object.
CN (common name)
trust relationship
shell
radiation pattern
6. A standard protocol for accessing network directories.
directory
CIFS (Common Internet File System)
RSVP (Resource Reservation Protocol)
LDAP (Lightweight Directory Access Protocol)
7. A type of server on a Windows Server 2003 or Server 2008 network that does not hold directory information and - therefore - cannot authenticate users.
namespace
PAN (personal area network)
virtualization
member server
8. The capability for operating multiple logical servers
proxy server
proprietary UNIX
RSVP (Resource Reservation Protocol)
virtualization
9. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
wireless gateway
RTCP (Real-time Transport Control Protocol)
child domain
reflection
10. 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
802.11n
per seat
GEO (geosynchronous orbit or geostationary orbit)
association
11. 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.323 gateway
paging
satellite return
channel bonding
12. 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
RSVP (Resource Reservation Protocol)
access point
DN (distinguished name)
H.225
13. A connection from an Earth-based transmitter to an orbiting satellite.
pipeline
file access protocol
uplink
open source software
14. A service that relies on a DSL connection to transmit packetized voice signals.
DSSS (direct-sequence spread spectrum)
explicit one-way trust
DN (distinguished name)
VoDSL (voice over DSL)
15. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.
H.323 gatekeeper
physical memory
DC (domain component)
distribution
16. A part of the organizational structure of an operating system's directory that contains objects or other organizational units.
multitasking
branch
proxy server
directory
17. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
kernel
explicit one-way trust
domain tree
DSSS (direct-sequence spread spectrum)
18. A nonprofit industry association that owns the UNIX trademark.
replication
multiprocessing
The Open Group
file system
19. The memory that is logically carved out of space on the hard drive and added to physical memory (RAM).
virtual memory
two-way transitive trust
802.16
RTP (Real-time Transport Protocol)
20. An attribute of an object that identifies the object separately from its related container(s) and domain.
RDN (relative distinguished name)
MIMO (multiple input-multiple output)
multitasking
physical memory
21. In the context of 802.11n wireless networking - the ability for access points to issue multiple signals to stations - thereby multiplying the signal's strength and increasing their range and data-carrying capacity.
printer queue
OU (organizational unit)
iwconfig
MIMO (multiple input-multiple output)
22. A logical receptacle for holding objects with similar characteristics or privileges in an NOS directory. Containers form the branches of the directory tree.
OU (organizational unit)
narrowband
ATA (analog telephone adapter)
shell
23. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
wireless router
wireless spectrum
probe
root domain
24. A routine of sequential instructions that runs until it has achieved its goal.
role
process
printer queue
wireless broadband
25. 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.
H.323 zone
IP telephone
toll bypass
redirect server
26. 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).
tree
fixed
attribute
H.323 gateway
27. A representation of a thing or person associated with the network that belongs in the NOS directory.
range
reflection
object
multitasking
28. A special identifier shared by BSSs that belong to the same ESS.
class
ESSID (extended service set identifier)
site license
802.16e
29. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
NTFS (New Technology File System)
explicit one-way trust
CIFS (Common Internet File System)
streaming video
30. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
Linux
802.16
radiation pattern
per seat
31. 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
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
mount
leaf object
MEO (medium Earth orbiting)
32. The security relationship between domains in the same domain tree in which one domain grants every other domain in the tree access to its resources and - in turn - that domain can access other domains' resources.
process
command interpreter
association
two-way transitive trust
33. A service that uses the ATM network access method (and ATM cells) to transmit voice signals over a network.
explicit one-way trust
VoATM (voice over ATM)
Solaris
active scanning
34. Another term for the UNIX command interpreter.
SPARC
BSSID (basic service set identifier)
Solaris
shell
35. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
Server Manager
middleware
MMC (Microsoft Management Console)
802.16e
36. A version of Linux packaged and distributed by Red Hat.
video over IP
Fedora
satellite return
GUID (globally unique identifier)
37. A means of collectively managing users' permissions and restrictions applied to shared resources.
group
Solaris
Webcast
video over IP
38. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
man pages (manual pages)
VoIP (voice over IP)
narrowband
OU (organizational unit)
39. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
Internet telephony
DSSS (direct-sequence spread spectrum)
fading
iwconfig
40. 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.
asymmetric multiprocessing
directory
IP telephone
domain
41. 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.
radiation pattern
inode (information node)
Solaris
group
42. A UNIX command that places files in the printer queue.
lpr
softphone
tree
DSSS (direct-sequence spread spectrum)
43. In the context of wireless networking - the process of a station establishing a connection (or associating) with a different access point.
AF (Assured Forwarding)
H.323
wireless broadband
reassociation
44. A connection from an orbiting satellite to an Earth-based receiver.
downlink
GUI (graphical user interface)
Mac OS X Server
Linux
45. A type of wireless system in which the locations of the transmitter and receiver are static.
source code
fixed
CN (common name)
physical memory
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
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
leaf object
active scanning
47. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.
pipe
NFS (Network File System)
System V
CIFS (Common Internet File System)
48. A logical representation of a networked printer's functionality.
virtual memory
open source software
printer queue
802.16e
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
site survey
ESS (extended service set)
omnidirectional antenna
domain controller
50. A multiprocessing method that assigns each subtask to a specific processor.
process
asymmetric multiprocessing
fixed
file access protocol