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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. On a SIP network - a server that accepts requests for location information from user agents - then queries the nearest registrar server on behalf of those user agents. If the recipient user agent is in the SIP proxy server's domain - then that server
multipath
MCU (multipoint control unit)
open source software
proxy server
2. A proprietary NOS from Apple Computer that is based on a version of UNIX.
pipeline
Mac OS X Server
two-way transitive trust
SMB (Server Message Block)
3. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
SSID (service set identifier)
printer queue
domain model
shell
4. The software that sits between the client and server in a 3-tier architecture.
spread spectrum
pipe
middleware
PBX (private branch exchange)
5. 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.
hierarchical file system
Solaris
streaming video
signaling
6. The core of a UNIX or Linux system. This part of the operating system is loaded and run when you turn on your computer. It mediates between user programs and the computer hardware.
ad hoc
Mac OS X Server
802.11a
kernel
7. The GUI environment for UNIX and Linux systems.
DN (distinguished name)
X Window system
registrar server
leaf object
8. A logical receptacle for holding objects with similar characteristics or privileges in an NOS directory. Containers form the branches of the directory tree.
unified messaging
GUID (globally unique identifier)
EF (Expedited Forwarding)
OU (organizational unit)
9. A service that transmits faxes over a TCP/IP network.
multiprocessing
FoIP (fax over IP)
RTCP (Real-time Transport Control Protocol)
wireless gateway
10. 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
wireless spectrum
domain
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
multiprocessing
11. A type of WLAN in which stations communicate with an access point and not directly with each other.
active scanning
Samba
infrastructure WLAN
video over IP
12. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
domain tree
PowerPC
explicit one-way trust
file globbing
13. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
schema
SIP (Session Initiation Protocol)
System V
video-on-demand
14. The organization of files and directories (or folders) on a disk in which directories may contain files and other directories. When displayed graphically - this organization resembles a treelike structure.
SIP (Session Initiation Protocol)
H.225
hierarchical file system
H.245
15. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.
Server Manager
kernel
symmetric multiprocessing
reassociation
16. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
mount
Linux
RSVP (Resource Reservation Protocol)
DiffServ (Differentiated Service)
17. 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).
branch
directional antenna
H.323 gateway
proprietary UNIX
18. The real-time reception and transmission of images and audio among two or more locations.
proprietary UNIX
user agent server
PAN (personal area network)
videoconferencing
19. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.
VoATM (voice over ATM)
MMC (Microsoft Management Console)
Samba
narrowband
20. A special identifier shared by BSSs that belong to the same ESS.
video-on-demand
access point
PowerPC
ESSID (extended service set identifier)
21. The capability for operating multiple logical servers
map
PowerPC
IP-PBX
virtualization
22. 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.
directory
site license
command interpreter
BSD (Berkeley Software Distribution)
23. 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.
Webcast
preemptive multitasking
multitasking
spread spectrum
24. 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
channel bonding
kernel
PBX (private branch exchange)
UPN (user principal name)
25. A LAN that uses wireless connections for some or all of its transmissions.
System V
802.11g
WLAN (wireless LAN)
RSVP (Resource Reservation Protocol)
26. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
UPN (user principal name)
file globbing
iwconfig
lpr
27. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.
MCU (multipoint control unit)
wireless broadband
multipath
two-way transitive trust
28. A protocol that enables one system to access files on another system.
replication
BSD (Berkeley Software Distribution)
file access protocol
domain model
29. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
Bluetooth Special Interest Group (SIG)
GUI (graphical user interface)
omnidirectional antenna
hot spot
30. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
inherited
child domain
GUI (graphical user interface)
proxy server
31. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.
narrowband
iwconfig
beacon frame
range
32. A file access protocol. It runs over TCP/IP and is the standard file access protocol used by Windows operating systems.
access point
registrar server
CIFS (Common Internet File System)
two-way transitive trust
33. The process a wireless station undergoes to find an access point.
scanning
schema
video over IP
ESS (extended service set)
34. A part of the organizational structure of an operating system's directory that contains objects or other organizational units.
forest
branch
per seat
man pages (manual pages)
35. A Session layer control protocol defined as part of ITU's H.323 multiservice network architecture. It is responsible for controlling a session between two nodes. For example - it ensures that the two nodes are communicating in the same format.
H.245
open source software
fixed
branch
36. The process of moving blocks of information - called pages - between RAM and into a page file on disk.
branch
ATA (analog telephone adapter)
802.16e
paging
37. A logical representation of multiple - hierarchical levels in a directory.
802.11g
FHSS (frequency hopping spread spectrum)
tree
videoconferencing
38. 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
satellite return
H.323 gatekeeper
Administrator
39. 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.
GUI (graphical user interface)
LEO (low Earth orbiting)
IP-PBX
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
40. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.
paging
802.11g
signaling
MGC (media gateway controller)
41. A well-defined - self-contained subset of a process. U
scattering
process
thread
wireless broadband
42. 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.
domain controller
video phone
redirect server
H.323 gatekeeper
43. A computer that provides support for multiple H.323 terminals (for example - several workstations participating in a videoconference) and manages communication between them.
MGCP (Media Gateway Control Protocol)
MCU (multipoint control unit)
spread spectrum
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
44. 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)
domain
two-way transitive trust
802.16
45. A representation of a thing or person associated with the network that belongs in the NOS directory.
object
OU (organizational unit)
Samba
PAN (personal area network)
46. In the DiffServ QoS technique - a forwarding specification that assigns each data stream a minimum departure rate from a given node. This technique circumvents delays that slow normal data from reaching its destination on time and in sequence.
EF (Expedited Forwarding)
RDN (relative distinguished name)
radiation pattern
AIX
47. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
LOS (line-of-sight)
source code
GUID (globally unique identifier)
AF (Assured Forwarding)
48. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
MCU (multipoint control unit)
inherited
reassociation
RDN (relative distinguished name)
49. The proprietary version of UNIX that comes from Bell Labs.
reassociation
scanning
System V
trust relationship
50. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.
SSID (service set identifier)
LOS (line-of-sight)
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
AF (Assured Forwarding)