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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. 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.
active scanning
NTFS (New Technology File System)
association
inode (information node)
2. The brand of computer central processing unit invented by and used in Sun Microsystems servers.
SPARC
active scanning
forest
BSSID (basic service set identifier)
3. A service that transmits faxes over a TCP/IP network.
mobile
member server
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
FoIP (fax over IP)
4. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.
class
NTFS (New Technology File System)
directory
UNIX
5. A client/server environment that uses middleware to translate requests between the client and server.
RDN (relative distinguished name)
ESSID (extended service set identifier)
3-tier architecture
wireless gateway
6. A logical representation of a networked printer's functionality.
printer queue
user agent server
beacon frame
trust relationship
7. A type of software license that - for a fixed price - allows any number of users in one location to legally access a program.
satellite return
fading
access point
site license
8. A type of wireless system in which the receiver can be located anywhere within the transmitter's range. This allows the receiver to roam from one place to another while continuing to pick up its signal.
mobile
IP telephone
source code
The Open Group
9. 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.
VoATM (voice over ATM)
PBX (private branch exchange)
BSD (Berkeley Software Distribution)
two-way transitive trust
10. A cost-savings benefit that results from organizations completing long-distance telephone calls over their packet-switched networks - thus bypassing tolls charged by common carriers on comparable PSTN calls.
dial return
wireless broadband
pipe
toll bypass
11. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
IP telephone
redirector
video-on-demand
UPN (user principal name)
12. The action of associating a disk - directory - or device with a drive letter.
map
RSVP (Resource Reservation Protocol)
kernel
Linux
13. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
Mac OS X Server
streaming video
domain model
VoDSL (voice over DSL)
14. 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.
H.323
site survey
virtualization
IP telephone
15. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
Solaris
GEO (geosynchronous orbit or geostationary orbit)
domain controller
MCU (multipoint control unit)
16. 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
System V
H.323 zone
shell
channel bonding
17. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
RTCP (Real-time Transport Control Protocol)
source code
Linux
GUI (graphical user interface)
18. Another term for the UNIX command interpreter.
shell
NFS (Network File System)
wireless broadband
DSSS (direct-sequence spread spectrum)
19. 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
range
satellite return
VoIP (voice over IP)
file system
20. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
ATA (analog telephone adapter)
ESS (extended service set)
Bluetooth
domain tree
21. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.
Linux
domain model
H.323 zone
lpd (line printer daemon)
22. 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
printer queue
H.323 gateway
802.16
IPTV (IP television)
23. 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.
forest
BSSID (basic service set identifier)
DiffServ (Differentiated Service)
root domain
24. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.
pipeline
H.323
per seat
spread spectrum
25. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.
PBX (private branch exchange)
namespace
command interpreter
reflection
26. The name of the primary file system used in most Linux distributions.
ext3
Bluetooth
wireless
asymmetric multiprocessing
27. In LDAP naming conventions - the name of an object.
IPTV (IP television)
GNU
ATA (analog telephone adapter)
CN (common name)
28. The exchange of information between the components of a network or system for the purposes of establishing - monitoring - or releasing connections as well as controlling system operations.
Internet telephony
user agent server
signaling
wireless spectrum
29. 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.
MEGACO
leaf object
wireless broadband
GEO (geosynchronous orbit or geostationary orbit)
30. 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
LOS (line-of-sight)
set top box
access point
scattering
31. 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)
H.323 gateway
Bluetooth Special Interest Group (SIG)
802.16e
32. 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.
DiffServ (Differentiated Service)
proprietary UNIX
replication
attribute
33. 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)
schema
printer queue
forest
34. The characteristic of wireless signals that follow a number of different paths to their destination (for example - because of reflection - diffraction - and scattering).
H.323
page file
multipath
member server
35. 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.
iwconfig
page file
object
fading
36. A type of antenna that issues wireless signals along a single direction - or path.
user agent client
directional antenna
802.16e
wireless spectrum
37. A computer that provides support for multiple H.323 terminals (for example - several workstations participating in a videoconference) and manages communication between them.
account
MCU (multipoint control unit)
range
toll bypass
38. 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)
open source software
OU (organizational unit)
VoIP (voice over IP)
39. 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.
SPARC
station
BSD (Berkeley Software Distribution)
streaming video
40. 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. |
station
RSVP (Resource Reservation Protocol)
IP-PBX
GNU
41. The process of moving blocks of information - called pages - between RAM and into a page file on disk.
paging
802.11a
MEO (medium Earth orbiting)
PAN (personal area network)
42. The IEEE standard for a wireless networking technique designed to be compatible with 802.11b while using different encoding techniques that allow it to reach a theoretical maximum capacity of 54 Mbps. It uses the 2.4-GHz frequency band.
member server
802.11g
wireless
BSD (Berkeley Software Distribution)
43. In IEEE terminology - the identifier for a BSS (basic service set).
BSSID (basic service set identifier)
command interpreter
pipe
hot spot
44. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
VoATM (voice over ATM)
namespace
per user
redirector
45. A continuum of electromagnetic waves used for data and voice
uplink
wireless spectrum
source code
AIX
46. A proprietary NOS from Apple Computer that is based on a version of UNIX.
802.11a
probe
Mac OS X Server
child domain
47. 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.
lpd (line printer daemon)
root domain
LEO (low Earth orbiting)
MEO (medium Earth orbiting)
48. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
LOS (line-of-sight)
Fedora
MGC (media gateway controller)
per seat
49. A UNIX distribution that originated at the University of California at Berkeley.
domain tree
namespace
BSD (Berkeley Software Distribution)
802.11n
50. A telephone switch used to connect calls within a private organization.
command interpreter
PBX (private branch exchange)
Samba
videoconferencing