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Test your basic knowledge |
Comptia Network + Wireless NOS Voip
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Subjects
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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 proprietary implementation of the UNIX operating system by Sun Microsystems.
passive scanning
Solaris
H.323
Samba
2. 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
roaming
hot spot
toll bypass
channel bonding
3. A service in which television signals from broadcast or cable networks travel over packet-switched networks.
IPTV (IP television)
file system
class
scanning
4. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
domain model
FoIP (fax over IP)
multitasking
DC (domain component)
5. 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.
set top box
BSSID (basic service set identifier)
ESS (extended service set)
RSVP (Resource Reservation Protocol)
6. In Microsoft terminology - the primary purpose of a Windows Server 2008 server.
MEO (medium Earth orbiting)
asymmetric multiprocessing
replication
role
7. 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.
preemptive multitasking
symmetric multiprocessing
distribution
partition
8. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.
wireless broadband
802.11g
beacon frame
shell
9. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.
UPN (user principal name)
The Open Group
inode (information node)
account
10. A type of phone that includes a screen and can decode compressed video and interpret transport and signaling protocols necessary for conducting videoconference sessions.
forest
open source software
video phone
replication
11. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
wireless router
registrar server
user agent client
ESS (extended service set)
12. In the context of wireless networking - the process in which a station listens to several channels within a frequency range for a beacon issued by an access point.
Fedora
registrar server
inherited
passive scanning
13. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.
proxy server
UNIX
reflection
file globbing
14. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
hot spot
PowerPC
fax gateway
middleware
15. An operating system's method of organizing - managing - and accessing its files through logical structures and software routines.
SSID (service set identifier)
file system
video over IP
Bluetooth Special Interest Group (SIG)
16. 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.
3-tier architecture
wireless broadband
802.11a
GUI (graphical user interface)
17. A unique character string used to identify an access point on an 802.11 network.
domain
SSID (service set identifier)
Server Manager
child domain
18. A type of server on a Windows Server 2003 or Server 2008 network that does not hold directory information and - therefore - cannot authenticate users.
member server
reassociation
replication
Fedora
19. The process of copying Active Directory data to multiple domain controllers. This ensures redundancy so that in case one of the domain controllers fails - clients can still log on to the network - be authenticated - and access resources.
per seat
access point
replication
wireless
20. The ability of a processor to perform multiple activities in a brief period of time (often seeming simultaneous to the user
multitasking
802.11a
wireless spectrum
open source software
21. In the context of wireless signal propagation - the phenomenon that occurs when an electromagnetic wave encounters an obstruction and splits into secondary waves. The secondary waves continue to propagate in the direction in which they were split. Th
directional antenna
PAN (personal area network)
802.11b
diffraction
22. An access point that provides routing functions and is used as a gateway.
wireless gateway
FHSS (frequency hopping spread spectrum)
narrowband
PBX (private branch exchange)
23. The proprietary version of UNIX that comes from Bell Labs.
multipath
System V
per user
AIX
24. In LDAP naming conventions - the name of any one of the domains to which an object belongs.
PBX (private branch exchange)
virtualization
DC (domain component)
root
25. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
PowerPC
page file
workgroup
SMB (Server Message Block)
26. A UNIX distribution that originated at the University of California at Berkeley.
802.11n
access point
BSD (Berkeley Software Distribution)
MMC (Microsoft Management Console)
27. A protocol that enables one system to access files on another system.
shell
VoDSL (voice over DSL)
hot spot
file access protocol
28. A version of Linux packaged and distributed by Red Hat.
diffraction
Fedora
domain tree
root
29. The real-time reception and transmission of images and audio among two or more locations.
MCU (multipoint control unit)
EF (Expedited Forwarding)
multipath
videoconferencing
30. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
MGC (media gateway controller)
domain controller
wireless router
LOS (line-of-sight)
31. 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.
RTS/CTS (Request to Send/Clear to Send)
toll bypass
SPARC
infrastructure WLAN
32. A user account that has unlimited privileges to resources and objects managed by a server or domain.
multipath
user agent server
station
Administrator
33. 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).
IPTV (IP television)
distribution
MCU (multipoint control unit)
H.323 gateway
34. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.
redirector
beacon frame
Samba
virtual memory
35. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.
Solaris
MGC (media gateway controller)
WLAN (wireless LAN)
access point
36. 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
per seat
diffraction
EF (Expedited Forwarding)
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
37. 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
registrar server
H.323 gateway
active scanning
Linux
38. 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.
VoATM (voice over ATM)
root domain
association
H.323 gateway
39. The process of moving blocks of information - called pages - between RAM and into a page file on disk.
virtual memory
domain model
MEO (medium Earth orbiting)
paging
40. 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.
access point
H.323 terminal
Linux
command interpreter
41. 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. |
IP-PBX
uplink
SMB (Server Message Block)
child domain
42. A proprietary implementation of the UNIX system distributed by IBM.
Samba
videoconferencing
trust relationship
AIX
43. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.
partition
Server Manager
man pages (manual pages)
mount
44. A wireless networking standard that uses FHSS (frequency hopping spread spectrum) signaling in the 2.4-GHz band to achieve a maximum throughput of either 723 Kbps or 2.1 Mbps - depending on the version. IT was designed for use primarily with small of
thread
role
802.16e
Bluetooth
45. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.
pipeline
Bluetooth
videoconferencing
NFS (Network File System)
46. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
PowerPC
wireless spectrum
PAN (personal area network)
scattering
47. A well-defined - self-contained subset of a process. U
virtualization
CIFS (Common Internet File System)
middleware
thread
48. A telephone switch used to connect calls within a private organization.
PBX (private branch exchange)
file globbing
shell
directory
49. A special identifier shared by BSSs that belong to the same ESS.
beacon frame
ESSID (extended service set identifier)
H.323 gatekeeper
dial return
50. A streaming video - either on demand or live - that is delivered via the Web.
printer queue
Webcast
lpr
infrastructure WLAN
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