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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 logical representation of multiple - hierarchical levels in a directory.
tree
middleware
file access protocol
passive scanning
2. A computer configured to act like an IP telephone. SS7 (Signaling System 7) | A set of standards established by the ITU for handling call signaling on the PSTN (public switched telephone network).
softphone
video-on-demand
thread
RSVP (Resource Reservation Protocol)
3. A multiprocessing method that assigns each subtask to a specific processor.
SIP (Session Initiation Protocol)
asymmetric multiprocessing
Server Manager
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
4. 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.
account
forest
PAN (personal area network)
explicit one-way trust
5. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
association
802.11n
diffraction
inherited
6. 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.
explicit one-way trust
H.323 gatekeeper
inode (information node)
wireless router
7. 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.
per user
domain tree
set top box
fading
8. Another term for the UNIX command interpreter.
BSS (basic service set)
per user
ESS (extended service set)
shell
9. 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)
802.16
GUID (globally unique identifier)
UNIX
10. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.
System V
UNIX
middleware
SSID (service set identifier)
11. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
proprietary UNIX
MEO (medium Earth orbiting)
Bluetooth Special Interest Group (SIG)
kernel
12. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
OU (organizational unit)
Solaris
FoIP (fax over IP)
child domain
13. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
radiation pattern
site license
kernel
X Window system
14. In IEEE terminology - the identifier for a BSS (basic service set).
page file
BSSID (basic service set identifier)
MMC (Microsoft Management Console)
kernel module
15. The signals made of electromagnetic energy that travel through the atmosphere.
wireless
H.225
fixed
3-tier architecture
16. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
uplink
ad hoc
pipeline
Linux
17. 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
redirect server
file access protocol
omnidirectional antenna
kernel module
18. The provision of telephone service over the Internet.
reassociation
middleware
pipeline
Internet telephony
19. A file on the hard drive that is used for virtual memory.
symmetric multiprocessing
unified messaging
Fedora
page file
20. In the context of wireless networking - the communication that occurs between a station and an access point to enable the station to connect to the network via that access point.
proprietary UNIX
diffraction
association
H.323 zone
21. A well-defined - self-contained subset of a process. U
printer queue
Bluetooth
H.323 gatekeeper
thread
22. 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
beacon frame
satellite return
map
thread
23. The name of the primary file system used in most Linux distributions.
ext3
wireless gateway
DSSS (direct-sequence spread spectrum)
per user
24. 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.
reassociation
EF (Expedited Forwarding)
downlink
attribute
25. The name given to the public software project to implement a complete - free source code implementation of UNIX. It also refers to the collection of UNIX-inspired utilities and tools that are included with Linux distributions.|
Bluetooth Special Interest Group (SIG)
GNU
RTCP (Real-time Transport Control Protocol)
redirector
26. A service that uses the ATM network access method (and ATM cells) to transmit voice signals over a network.
domain model
replication
Linux
VoATM (voice over ATM)
27. An object in an operating system's directory - such as a printer or user - that does not contain other objects.
leaf object
NTFS (New Technology File System)
802.16e
workgroup
28. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
scattering
VoDSL (voice over DSL)
BSS (basic service set)
group
29. The term used to describe software that is distributed with few restrictions and whose source code is freely available.
802.16
DiffServ (Differentiated Service)
MEO (medium Earth orbiting)
open source software
30. A protocol used for communication between media gateway controllers and media gateways.
set top box
proprietary UNIX
PBX (private branch exchange)
MGCP (Media Gateway Control Protocol)
31. A continuum of electromagnetic waves used for data and voice
hierarchical file system
preemptive multitasking
wireless spectrum
802.16
32. 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.
RSVP (Resource Reservation Protocol)
virtual memory
PAN (personal area network)
GUI (graphical user interface)
33. An end node on a network; used most often in the context of wireless networks. transponder
wireless broadband
shell
reflection
station
34. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
proprietary UNIX
uplink
probe
scattering
35. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
MIMO (multiple input-multiple output)
fixed
802.16
man pages (manual pages)
36. 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).
roaming
wireless spectrum
H.323 gateway
shell
37. 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.
radiation pattern
H.323 terminal
MIMO (multiple input-multiple output)
multiprocessing
38. A protocol for communications and resource access between systems - such as clients and servers.
man pages (manual pages)
SMB (Server Message Block)
radiation pattern
Fedora
39. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.
MEO (medium Earth orbiting)
Active Directory
account
redirector
40. An attribute of an object that identifies the object separately from its related container(s) and domain.
inode (information node)
roaming
RDN (relative distinguished name)
Internet telephony
41. 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
registrar server
Server Manager
channel bonding
child domain
42. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
GUID (globally unique identifier)
class
signaling
namespace
43. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.
domain
distribution
WLAN (wireless LAN)
RDN (relative distinguished name)
44. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.
SIP (Session Initiation Protocol)
H.323 gateway
preemptive multitasking
wireless broadband
45. A type of antenna that issues wireless signals along a single direction - or path.
directional antenna
PAN (personal area network)
RDN (relative distinguished name)
RSVP (Resource Reservation Protocol)
46. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.
SIP (Session Initiation Protocol)
thread
namespace
physical memory
47. A logical representation of a networked printer's functionality.
printer queue
unified messaging
channel bonding
probe
48. A proprietary implementation of the UNIX operating system by Sun Microsystems.
command interpreter
set top box
Solaris
3-tier architecture
49. An internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.
ext3
pipeline
802.11n
ATA (analog telephone adapter)
50. The real-time reception and transmission of images and audio among two or more locations.
file system
videoconferencing
Bluetooth Special Interest Group (SIG)
per seat