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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 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).
UNIX
H.323 gateway
root
softphone
2. 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
redirect server
wireless spectrum
802.11n
virtual memory
3. An exchange in which a wireless station requests the exclusive right to communicate with an access point and the access point confirms that it has granted that request.
per seat
MMC (Microsoft Management Console)
RTS/CTS (Request to Send/Clear to Send)
dial return
4. A standard protocol for accessing network directories.
uplink
fax gateway
LDAP (Lightweight Directory Access Protocol)
VoIP (voice over IP)
5. A logical representation of a networked printer's functionality.
printer queue
diffraction
H.245
802.11b
6. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
ESSID (extended service set identifier)
BSD (Berkeley Software Distribution)
preemptive multitasking
domain controller
7. A version of Linux packaged and distributed by Red Hat.
Fedora
hot spot
mount
fixed
8. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
scattering
H.323 zone
BSSID (basic service set identifier)
leaf object
9. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
VoDSL (voice over DSL)
AF (Assured Forwarding)
toll bypass
signaling
10. In SIP terminology - a server that responds to user agent clients' requests for session initiation and termination.
user agent server
station
BSSID (basic service set identifier)
Active Directory
11. 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).
streaming video
H.323 gateway
802.11g
VoDSL (voice over DSL)
12. 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.
BSSID (basic service set identifier)
MGC (media gateway controller)
dial return
ATA (analog telephone adapter)
13. The capability for operating multiple logical servers
lpd (line printer daemon)
multiprocessing
schema
virtualization
14. A part of the organizational structure of an operating system's directory that contains objects or other organizational units.
H.225
BSS (basic service set)
branch
printer queue
15. 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.
PAN (personal area network)
file system
Bluetooth
MEGACO
16. A service that uses the ATM network access method (and ATM cells) to transmit voice signals over a network.
VoATM (voice over ATM)
GNU
open source software
class
17. A type of software license that - for a fixed price - allows any number of users in one location to legally access a program.
wireless spectrum
802.11a
site license
file system
18. 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.
set top box
802.11n
LEO (low Earth orbiting)
paging
19. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
VoDSL (voice over DSL)
MMC (Microsoft Management Console)
X Window system
DN (distinguished name)
20. 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
account
class
LOS (line-of-sight)
21. A logical receptacle for holding objects with similar characteristics or privileges in an NOS directory. Containers form the branches of the directory tree.
PBX (private branch exchange)
root
ad hoc
OU (organizational unit)
22. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
map
set top box
station
reassociation
23. In LDAP naming conventions - the name of any one of the domains to which an object belongs.
virtual memory
3-tier architecture
802.11a
DC (domain component)
24. A portion of the kernel that you can load and unload to add or remove functionality on a running UNIX or Linux system.
kernel module
replication
H.245
command interpreter
25. 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.
IPTV (IP television)
preemptive multitasking
roaming
IP-PBX
26. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
MEGACO
Bluetooth Special Interest Group (SIG)
site license
Mac OS X Server
27. A type of server on a Windows Server 2003 or Server 2008 network that does not hold directory information and - therefore - cannot authenticate users.
scanning
active scanning
member server
tree
28. A client/server environment that uses middleware to translate requests between the client and server.
IPTV (IP television)
CN (common name)
Internet telephony
3-tier architecture
29. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.
unified messaging
FHSS (frequency hopping spread spectrum)
kernel
SPARC
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
beacon frame
probe
access point
kernel module
31. In Microsoft terminology - the primary purpose of a Windows Server 2008 server.
site survey
role
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
kernel
32. An access point that provides routing functions.
Fedora
wireless router
videoconferencing
fixed
33. A type of phone that includes a screen and can decode compressed video and interpret transport and signaling protocols necessary for conducting videoconference sessions.
tree
MEGACO
video phone
DN (distinguished name)
34. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.
symmetric multiprocessing
site survey
RTP (Real-time Transport Protocol)
Samba
35. The process of moving blocks of information - called pages - between RAM and into a page file on disk.
Server Manager
paging
OU (organizational unit)
wireless spectrum
36. A method used by wireless stations to detect the presence of an access point. The station issues a probe to each channel in its frequency range and waits for the access point to respond.
802.11g
H.323 gateway
Linux
active scanning
37. The name of the primary file system used in most Linux distributions.
toll bypass
ext3
satellite return
video phone
38. The IEEE standard for a wireless networking technique that uses DSSS (directsequence spread spectrum) signaling in the 2.4-2.4835-GHz frequency range (also called the 2.4-GHz band). It separates the 2.4-GHz band into 14 overlapping 22-MHz channels an
inode (information node)
802.11b
open source software
file system
39. In wireless networking - the process that describes a station moving between BSSs without losing connectivity.
802.11g
wireless router
roaming
RTCP (Real-time Transport Control Protocol)
40. A highly privileged user ID that has all rights to create - delete - modify - move - read - write - or execute files on a UNIX or Linux system.
root
mobile
kernel module
command interpreter
41. 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
RTCP (Real-time Transport Control Protocol)
partition
SMB (Server Message Block)
42. 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.
set top box
omnidirectional antenna
narrowband
directory
43. 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.
wireless broadband
two-way transitive trust
virtualization
hierarchical file system
44. 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.
SPARC
ESSID (extended service set identifier)
EF (Expedited Forwarding)
scanning
45. The brand of computer central processing unit invented by Apple Computer - IBM - and Motorola - Inc. - and used in IBM servers.
PowerPC
Solaris
Webcast
physical memory
46. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
H.323 gatekeeper
schema
Server Manager
beacon frame
47. A connection from an orbiting satellite to an Earth-based receiver.
802.11g
SSID (service set identifier)
downlink
AF (Assured Forwarding)
48. 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.
PAN (personal area network)
virtual memory
role
SIP (Session Initiation Protocol)
49. The term used to refer to a satellite that maintains a constant distance from a point on the equator at every point in its orbit.
DiffServ (Differentiated Service)
CN (common name)
H.225
GEO (geosynchronous orbit or geostationary orbit)
50. In IEEE terminology - the identifier for a BSS (basic service set).
BSSID (basic service set identifier)
3-tier architecture
beacon frame
virtual memory