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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 wireless networking - the process that describes a station moving between BSSs without losing connectivity.
roaming
paging
PowerPC
uplink
2. 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
LEO (low Earth orbiting)
middleware
diffraction
3. The GUI environment for UNIX and Linux systems.
X Window system
MGCP (Media Gateway Control Protocol)
LDAP (Lightweight Directory Access Protocol)
802.11b
4. A domain established within another domain in a Windows Server 2003 or Server 2008 domain tree.
child domain
pipeline
shell
Fedora
5. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
pipeline
MCU (multipoint control unit)
station
radiation pattern
6. 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
unified messaging
registrar server
PowerPC
replication
7. 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
proxy server
RTCP (Real-time Transport Control Protocol)
branch
preemptive multitasking
8. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
user agent client
channel bonding
LDAP (Lightweight Directory Access Protocol)
workgroup
9. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
RTS/CTS (Request to Send/Clear to Send)
domain model
site survey
user agent client
10. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.
user agent client
Samba
source code
Bluetooth
11. A logical receptacle for holding objects with similar characteristics or privileges in an NOS directory. Containers form the branches of the directory tree.
H.323
man pages (manual pages)
OU (organizational unit)
domain model
12. 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.
video-on-demand
LDAP (Lightweight Directory Access Protocol)
lpr
site survey
13. A multiprocessing method that assigns each subtask to a specific processor.
source code
asymmetric multiprocessing
802.11n
DN (distinguished name)
14. A service that relies on a DSL connection to transmit packetized voice signals.
toll bypass
802.11n
VoDSL (voice over DSL)
satellite return
15. 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.
kernel module
streaming video
spread spectrum
Active Directory
16. 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.
Bluetooth Special Interest Group (SIG)
command interpreter
asymmetric multiprocessing
domain controller
17. The name of the primary file system used in most Linux distributions.
H.323
range
ext3
set top box
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.
DiffServ (Differentiated Service)
LEO (low Earth orbiting)
scattering
fading
19. A type of wireless transmission in which lower-level signals are distributed over several frequencies simultaneously.
command interpreter
wireless spectrum
wireless router
spread spectrum
20. A transmission technique in which a signal's bits are distributed over an entire frequency band at once. Each bit is coded so that the receiver can reassemble the original signal upon receiving the bits.
site survey
DSSS (direct-sequence spread spectrum)
NTFS (New Technology File System)
channel bonding
21. 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).
BSD (Berkeley Software Distribution)
H.323 gateway
PowerPC
hierarchical file system
22. A streaming video - either on demand or live - that is delivered via the Web.
wireless
Webcast
802.16e
symmetric multiprocessing
23. The nerve center for networks that adhere to H.323. IT authorize and authenticate terminals and gateways - manage bandwidth - and oversee call routing - accounting - and billing.
GUID (globally unique identifier)
H.323 gatekeeper
H.245
directional antenna
24. A proprietary implementation of the UNIX system distributed by IBM.
per seat
PBX (private branch exchange)
source code
AIX
25. The proprietary version of UNIX that comes from Bell Labs.
page file
DN (distinguished name)
GEO (geosynchronous orbit or geostationary orbit)
System V
26. 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.
ATA (analog telephone adapter)
Server Manager
RTCP (Real-time Transport Control Protocol)
ESSID (extended service set identifier)
27. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
narrowband
SPARC
H.245
802.11a
28. An ITU standard that describes an architecture and a suite of protocols for establishing and managing multimedia services sessions on a packet-switched network.
process
IP telephone
active scanning
H.323
29. 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.
GEO (geosynchronous orbit or geostationary orbit)
IP telephone
downlink
RTS/CTS (Request to Send/Clear to Send)
30. 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.
H.323 terminal
UPN (user principal name)
member server
pipe
31. A 128-bit number generated and assigned to an object upon its creation in Active Directory.
directory
pipeline
GUID (globally unique identifier)
H.245
32. 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.
diffraction
BSD (Berkeley Software Distribution)
LDAP (Lightweight Directory Access Protocol)
802.16e
33. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
802.16e
beacon frame
partition
domain tree
34. The process a wireless station undergoes to find an access point.
omnidirectional antenna
VoDSL (voice over DSL)
scanning
UPN (user principal name)
35. 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
802.11g
SSID (service set identifier)
lpd (line printer daemon)
802.11b
36. An access point that provides routing functions.
wireless router
range
narrowband
unified messaging
37. A service that transmits faxes over a TCP/IP network.
FoIP (fax over IP)
PowerPC
ESSID (extended service set identifier)
hierarchical file system
38. In the context of wireless networking - a frame issued by an access point to alert other nodes of its existence.
UNIX
user agent server
beacon frame
MEGACO
39. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
shell
narrowband
H.323 terminal
ESSID (extended service set identifier)
40. A type of antenna that issues and receives wireless signals with equal strength and clarity in all directions. This type of antenna is used when many different receivers must be able to pick up the signal - or when the receiver's location is highly m
omnidirectional antenna
reflection
uplink
OU (organizational unit)
41. 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.
uplink
H.245
object
wireless router
42. A wireless signal or path that travels directly in a straight line from its transmitter to its intended receiver.
H.323 zone
proxy server
LOS (line-of-sight)
file globbing
43. 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.|
X Window system
GNU
videoconferencing
file globbing
44. The brand of computer central processing unit invented by and used in Sun Microsystems servers.
SPARC
wireless
iwconfig
BSD (Berkeley Software Distribution)
45. The memory that is logically carved out of space on the hard drive and added to physical memory (RAM).
RSVP (Resource Reservation Protocol)
lpd (line printer daemon)
beacon frame
virtual memory
46. A UNIX service responsible for printing files placed in the printer queue by the lpr command.
association
lpd (line printer daemon)
role
802.11a
47. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
range
root domain
SIP (Session Initiation Protocol)
virtual memory
48. 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.
Bluetooth Special Interest Group (SIG)
redirect server
redirector
user agent client
49. A LAN that uses wireless connections for some or all of its transmissions.
802.16e
Samba
WLAN (wireless LAN)
MEGACO
50. A group of users - servers - and other resources that share account and security policies through a Windows Server 2003 or Server 2008 NOS.
domain
diffraction
ad hoc
class