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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 nonprofit industry association that owns the UNIX trademark.
The Open Group
ext3
toll bypass
Bluetooth Special Interest Group (SIG)
2. 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.
group
X Window system
page file
mobile
3. A connection from an orbiting satellite to an Earth-based receiver.
GUID (globally unique identifier)
MCU (multipoint control unit)
downlink
preemptive multitasking
4. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.
VoIP (voice over IP)
video phone
Server Manager
wireless broadband
5. The capability for operating multiple logical servers
virtualization
per seat
association
command interpreter
6. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.
fixed
middleware
forest
unified messaging
7. 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.
directional antenna
attribute
omnidirectional antenna
kernel
8. 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.
partition
schema
kernel module
active scanning
9. The characteristic of wireless signals that follow a number of different paths to their destination (for example - because of reflection - diffraction - and scattering).
Fedora
ext3
multipath
page file
10. 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.
BSSID (basic service set identifier)
AIX
video-on-demand
site survey
11. The geographical area in which signals issued from an antenna or wireless system can be consistently and accurately received.
NTFS (New Technology File System)
domain
video phone
range
12. A version of Linux packaged and distributed by Red Hat.
LEO (low Earth orbiting)
pipe
roaming
Fedora
13. 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.
PowerPC
middleware
streaming video
wireless spectrum
14. A unique character string used to identify an access point on an 802.11 network.
GUI (graphical user interface)
FHSS (frequency hopping spread spectrum)
multipath
SSID (service set identifier)
15. Any type of video service - including IPTV - videoconferencing - and streaming video - that delivers video signals over packet-switched networks using the TCP/IP protocol suite.
man pages (manual pages)
role
video over IP
The Open Group
16. An internal or externally attached adapter that converts analog telephone signals into packet-switched voice signals and vice-versa.
ATA (analog telephone adapter)
EF (Expedited Forwarding)
ad hoc
PAN (personal area network)
17. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
thread
Linux
DSSS (direct-sequence spread spectrum)
reflection
18. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
H.323 terminal
branch
RDN (relative distinguished name)
user agent client
19. In the DiffServ QoS technique - a forwarding specification that allows routers to assign data streams one of several prioritization levels.
IPTV (IP television)
roaming
lpr
AF (Assured Forwarding)
20. A type of object recognized by an NOS directory and defined in an NOS schema.
class
OU (organizational unit)
inherited
fading
21. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
child domain
ATA (analog telephone adapter)
satellite return
GUID (globally unique identifier)
22. A telephone used for VoIP on a TCP/IP-based network.
scanning
root domain
pipeline
IP telephone
23. An access point that provides routing functions.
probe
wireless router
EF (Expedited Forwarding)
ESS (extended service set)
24. A companion protocol to RTP - defined in RFC 3550 by the IETF - RTCP provides feedback on the quality of a call or videoconference to its participants.
association
IP telephone
diffraction
RTCP (Real-time Transport Control Protocol)
25. The brand of computer central processing unit invented by and used in Sun Microsystems servers.
Bluetooth
printer queue
SPARC
IPTV (IP television)
26. 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.
printer queue
RTS/CTS (Request to Send/Clear to Send)
passive scanning
access point
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.
hierarchical file system
BSD (Berkeley Software Distribution)
H.245
fading
28. 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.
LOS (line-of-sight)
association
H.323 terminal
GUI (graphical user interface)
29. The GUI environment for UNIX and Linux systems.
scanning
GUID (globally unique identifier)
IP telephone
X Window system
30. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
page file
user agent client
lpd (line printer daemon)
802.11n
31. Currently - the most popular version of WiMAX. IEEE improved the mobility and QoS characteristics of the technology - making it better suited to VoIP and mobile phone users.
CN (common name)
LDAP (Lightweight Directory Access Protocol)
802.16e
H.323 terminal
32. The process of moving blocks of information - called pages - between RAM and into a page file on disk.
DC (domain component)
registrar server
distribution
paging
33. 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
Administrator
802.16
RTP (Real-time Transport Protocol)
lpd (line printer daemon)
34. A group of access points and associated stations (or basic service sets) connected to the same LAN.
child domain
ESS (extended service set)
process
satellite return
35. 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.
802.11b
channel bonding
file globbing
association
36. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
narrowband
multiprocessing
SMB (Server Message Block)
streaming video
37. 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.
two-way transitive trust
BSS (basic service set)
file system
redirector
38. A streaming video - either on demand or live - that is delivered via the Web.
Webcast
AF (Assured Forwarding)
streaming video
GNU
39. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.
schema
branch
narrowband
account
40. An end node on a network; used most often in the context of wireless networks. transponder
child domain
station
symmetric multiprocessing
paging
41. 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.
multiprocessing
signaling
preemptive multitasking
SIP (Session Initiation Protocol)
42. An access point that provides routing functions and is used as a gateway.
LOS (line-of-sight)
WLAN (wireless LAN)
wireless gateway
video phone
43. A technique for ensuring QoS by prioritizing traffic.
fading
DiffServ (Differentiated Service)
virtual memory
explicit one-way trust
44. A type of trust relationship in which two domains that belong to different NOS directory trees are configured to trust each other.
workgroup
802.11g
domain
explicit one-way trust
45. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
roaming
lpr
workgroup
forest
46. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.
DSSS (direct-sequence spread spectrum)
AF (Assured Forwarding)
directional antenna
beacon frame
47. The preferred Active Directory naming convention for objects when used in informal situations. This name looks like a familiar Internet address - including the positioning of the domain name after the @ sign.
IP-PBX
NFS (Network File System)
UPN (user principal name)
MEGACO
48. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
redirector
inherited
GUI (graphical user interface)
man pages (manual pages)
49. 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).
802.11b
H.323 gateway
wireless spectrum
proprietary UNIX
50. 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
802.11n
BSSID (basic service set identifier)
member server
user agent client