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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 - 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.
X Window system
VoDSL (voice over DSL)
site survey
branch
2. A gateway that can translate IP fax data into analog fax data and vice versa.
fax gateway
VoIP (voice over IP)
set top box
LOS (line-of-sight)
3. 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.
command interpreter
file access protocol
CN (common name)
passive scanning
4. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
SMB (Server Message Block)
Bluetooth Special Interest Group (SIG)
VoDSL (voice over DSL)
site survey
5. 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.
child domain
Solaris
RTS/CTS (Request to Send/Clear to Send)
MGC (media gateway controller)
6. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
command interpreter
ad hoc
child domain
softphone
7. A continuum of electromagnetic waves used for data and voice
Fedora
wireless spectrum
Active Directory
Bluetooth Special Interest Group (SIG)
8. 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.
hierarchical file system
account
toll bypass
scattering
9. 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.
page file
X Window system
wireless router
active scanning
10. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
probe
RTP (Real-time Transport Protocol)
BSD (Berkeley Software Distribution)
UPN (user principal name)
11. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
AF (Assured Forwarding)
source code
Administrator
GUID (globally unique identifier)
12. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
narrowband
FHSS (frequency hopping spread spectrum)
Solaris
GEO (geosynchronous orbit or geostationary orbit)
13. The action of associating a disk - directory - or device with a drive letter.
EF (Expedited Forwarding)
map
spread spectrum
iwconfig
14. Any implementation of UNIX for which the source code is either unavailable or available only by purchasing a licensed copy from Novell (costing as much as millions of dollars).
FHSS (frequency hopping spread spectrum)
redirect server
proprietary UNIX
domain tree
15. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
mobile
set top box
Samba
Active Directory
16. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.
video-on-demand
LDAP (Lightweight Directory Access Protocol)
GUID (globally unique identifier)
H.323 zone
17. A file system developed by Microsoft and used with its Windows NT - Windows 2000 Server - Windows Server 2003 - and Windows 2008 operating systems.
Active Directory
scattering
802.11g
NTFS (New Technology File System)
18. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.
set top box
DC (domain component)
IP-PBX
MGC (media gateway controller)
19. 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
dial return
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
VoATM (voice over ATM)
Server Manager
20. 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.
LDAP (Lightweight Directory Access Protocol)
file globbing
process
attribute
21. The GUI environment for UNIX and Linux systems.
station
The Open Group
ESS (extended service set)
X Window system
22. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.
child domain
802.11n
NFS (Network File System)
beacon frame
23. 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
SIP (Session Initiation Protocol)
registrar server
two-way transitive trust
scattering
24. A method of multiprocessing that splits all operations equally among two or more processors.
probe
ESS (extended service set)
symmetric multiprocessing
RSVP (Resource Reservation Protocol)
25. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.
RTS/CTS (Request to Send/Clear to Send)
pipe
preemptive multitasking
LOS (line-of-sight)
26. Another term for the UNIX command interpreter.
shell
The Open Group
access point
man pages (manual pages)
27. 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.
command interpreter
hierarchical file system
map
radiation pattern
28. A logical representation of multiple - hierarchical levels in a directory.
roaming
CIFS (Common Internet File System)
video over IP
tree
29. 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)
Bluetooth Special Interest Group (SIG)
file access protocol
middleware
30. A UNIX distribution that originated at the University of California at Berkeley.
802.16e
SMB (Server Message Block)
BSD (Berkeley Software Distribution)
unified messaging
31. A telephone used for VoIP on a TCP/IP-based network.
roaming
IP telephone
802.11n
channel bonding
32. The name of the primary file system used in most Linux distributions.
AF (Assured Forwarding)
LDAP (Lightweight Directory Access Protocol)
ext3
passive scanning
33. A wireless signaling technique in which a signal jumps between several different frequencies within a band in a synchronization pattern known to the channel's receiver and transmitter.
symmetric multiprocessing
802.11n
FHSS (frequency hopping spread spectrum)
man pages (manual pages)
34. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
Samba
dial return
reassociation
man pages (manual pages)
35. A type of WLAN in which stations communicate with an access point and not directly with each other.
trust relationship
infrastructure WLAN
inode (information node)
IP-PBX
36. The term used to refer to the different implementations of a particular UNIX or Linux system. For example - different distributions of Linux include Fedora - SUSE - and Ubuntu.
Administrator
shell
physical memory
distribution
37. As specified in RFC 2205 - a QoS technique that attempts to reserve a specific amount of network resources for a transmission before the transmission occurs.
RTCP (Real-time Transport Control Protocol)
thread
pipeline
RSVP (Resource Reservation Protocol)
38. 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.
scattering
fading
active scanning
video-on-demand
39. A multiprocessing method that assigns each subtask to a specific processor.
asymmetric multiprocessing
BSSID (basic service set identifier)
ESS (extended service set)
IP-PBX
40. 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.
RTP (Real-time Transport Protocol)
SIP (Session Initiation Protocol)
leaf object
uplink
41. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.
GUI (graphical user interface)
UNIX
reflection
802.11b
42. A type of wireless system in which the locations of the transmitter and receiver are static.
CN (common name)
MEO (medium Earth orbiting)
fixed
registrar server
43. The ability of a processor to perform multiple activities in a brief period of time (often seeming simultaneous to the user
lpd (line printer daemon)
LEO (low Earth orbiting)
multipath
multitasking
44. 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.
softphone
ad hoc
forest
streaming video
45. In wireless networking - the process that describes a station moving between BSSs without losing connectivity.
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
ESSID (extended service set identifier)
roaming
ATA (analog telephone adapter)
46. 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.
wireless broadband
station
class
802.11g
47. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.
domain model
per user
AIX
pipeline
48. The relationship between two domains on a Windows Server 2003 or Server 2008 network that allows a domain controller from one domain to authenticate users from the other domain.
virtual memory
FHSS (frequency hopping spread spectrum)
trust relationship
replication
49. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
workgroup
inode (information node)
802.16
BSS (basic service set)
50. A connection from an orbiting satellite to an Earth-based receiver.
Solaris
GEO (geosynchronous orbit or geostationary orbit)
downlink
redirector