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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 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.
fading
radiation pattern
map
H.323
2. 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.
omnidirectional antenna
mount
GUI (graphical user interface)
attribute
3. 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.
domain model
directory
multipath
802.16e
4. An end node on a network; used most often in the context of wireless networks. transponder
BSS (basic service set)
station
Bluetooth Special Interest Group (SIG)
forest
5. A nonprofit industry association that owns the UNIX trademark.
scanning
wireless
The Open Group
RTCP (Real-time Transport Control Protocol)
6. A user account that has unlimited privileges to resources and objects managed by a server or domain.
Administrator
H.323 gatekeeper
X Window system
BSD (Berkeley Software Distribution)
7. A technique for ensuring QoS by prioritizing traffic.
DSSS (direct-sequence spread spectrum)
group
DiffServ (Differentiated Service)
FHSS (frequency hopping spread spectrum)
8. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
schema
per seat
H.245
attribute
9. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
ESS (extended service set)
unified messaging
child domain
roaming
10. A standard protocol for accessing network directories.
omnidirectional antenna
fax gateway
LDAP (Lightweight Directory Access Protocol)
diffraction
11. 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.
dial return
MIMO (multiple input-multiple output)
branch
beacon frame
12. A connection from an orbiting satellite to an Earth-based receiver.
RTCP (Real-time Transport Control Protocol)
MGC (media gateway controller)
station
downlink
13. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.
CIFS (Common Internet File System)
class
Active Directory
DSSS (direct-sequence spread spectrum)
14. The process of making a disk partition available.
streaming video
fading
mount
user agent client
15. The proprietary version of UNIX that comes from Bell Labs.
H.323
account
domain controller
System V
16. 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.
SPARC
LEO (low Earth orbiting)
SIP (Session Initiation Protocol)
object
17. In the context of wireless networking - the process of a station establishing a connection (or associating) with a different access point.
root domain
site survey
reassociation
inode (information node)
18. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
hot spot
channel bonding
access point
domain model
19. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
softphone
station
MIMO (multiple input-multiple output)
narrowband
20. The computer instructions written in a programming language that is readable by humans.
fax gateway
Linux
asymmetric multiprocessing
source code
21. 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
radiation pattern
unified messaging
source code
22. 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.
two-way transitive trust
VoDSL (voice over DSL)
video-on-demand
attribute
23. In wireless networking - the process that describes a station moving between BSSs without losing connectivity.
BSS (basic service set)
EF (Expedited Forwarding)
reflection
roaming
24. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
signaling
redirector
channel bonding
GUID (globally unique identifier)
25. In IEEE terminology - the identifier for a BSS (basic service set).
BSSID (basic service set identifier)
thread
wireless spectrum
page file
26. In SIP terminology - a server that responds to user agent clients' requests for session initiation and termination.
DC (domain component)
3-tier architecture
user agent server
H.323 gatekeeper
27. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
workgroup
WLAN (wireless LAN)
iwconfig
account
28. The real-time reception and transmission of images and audio among two or more locations.
NFS (Network File System)
process
schema
videoconferencing
29. An IEEE standard for wireless MANs. Its networks may use frequencies between 2 and 66 GHz. Their antennas may operate in a line-of-sight or non-line-of-sight manner and cover 50 kilometers (or approximately 30 miles). Its connections can achieve a ma
802.16
H.323 terminal
pipeline
thread
30. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
streaming video
video-on-demand
H.323 gatekeeper
pipe
31. 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.
physical memory
explicit one-way trust
SIP (Session Initiation Protocol)
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
32. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
iwconfig
MMC (Microsoft Management Console)
downlink
domain
33. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.
trust relationship
SSID (service set identifier)
account
VoIP (voice over IP)
34. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
Linux
video phone
video over IP
IPTV (IP television)
35. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
UNIX
AF (Assured Forwarding)
diffraction
VoATM (voice over ATM)
36. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.
command interpreter
Samba
asymmetric multiprocessing
wireless broadband
37. A type of object recognized by an NOS directory and defined in an NOS schema.
file access protocol
DN (distinguished name)
class
streaming video
38. 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.
MIMO (multiple input-multiple output)
wireless router
domain controller
BSSID (basic service set identifier)
39. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
Server Manager
pipeline
domain tree
shell
40. A gateway that can translate IP fax data into analog fax data and vice versa.
DN (distinguished name)
video over IP
kernel
fax gateway
41. A service that transmits faxes over a TCP/IP network.
FoIP (fax over IP)
Active Directory
DN (distinguished name)
MEGACO
42. 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.|
GNU
Administrator
video-on-demand
file globbing
43. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
GEO (geosynchronous orbit or geostationary orbit)
inherited
lpd (line printer daemon)
kernel module
44. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
X Window system
root domain
source code
Webcast
45. 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).
forest
SSID (service set identifier)
softphone
EF (Expedited Forwarding)
46. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
user agent client
proprietary UNIX
schema
probe
47. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
user agent client
scattering
streaming video
NTFS (New Technology File System)
48. A type of phone that includes a screen and can decode compressed video and interpret transport and signaling protocols necessary for conducting videoconference sessions.
channel bonding
fixed
file globbing
video phone
49. A logical representation of multiple - hierarchical levels in a directory.
softphone
tree
passive scanning
downlink
50. The signals made of electromagnetic energy that travel through the atmosphere.
preemptive multitasking
wireless
redirector
toll bypass