SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 form of filename substitution - similar to the use of wildcards in Windows and DOS.
file globbing
command interpreter
ATA (analog telephone adapter)
System V
2. In the context of wireless networking - the process of a station establishing a connection (or associating) with a different access point.
beacon frame
reassociation
pipeline
wireless broadband
3. 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.
map
streaming video
FHSS (frequency hopping spread spectrum)
H.245
4. 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
leaf object
802.16
domain tree
System V
5. 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.
open source software
scattering
dial return
RTCP (Real-time Transport Control Protocol)
6. A logical receptacle for holding objects with similar characteristics or privileges in an NOS directory. Containers form the branches of the directory tree.
channel bonding
802.11g
OU (organizational unit)
proxy server
7. A proprietary NOS from Apple Computer that is based on a version of UNIX.
DiffServ (Differentiated Service)
Mac OS X Server
hot spot
Samba
8. The capability for operating multiple logical servers
fixed
virtualization
two-way transitive trust
Active Directory
9. The centralized management of multiple types of network-based communications - such as voice - video - fax - and messaging services.
directory
unified messaging
infrastructure WLAN
PAN (personal area network)
10. A user account that has unlimited privileges to resources and objects managed by a server or domain.
NTFS (New Technology File System)
station
MEGACO
Administrator
11. 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
wireless
MGC (media gateway controller)
DN (distinguished name)
proxy server
12. 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.
LEO (low Earth orbiting)
virtualization
redirect server
wireless spectrum
13. An object in an operating system's directory - such as a printer or user - that does not contain other objects.
unified messaging
shell
downlink
leaf object
14. The name of the primary file system used in most Linux distributions.
omnidirectional antenna
ext3
infrastructure WLAN
trust relationship
15. An ITU standard that describes an architecture and a suite of protocols for establishing and managing multimedia services sessions on a packet-switched network.
forest
UPN (user principal name)
H.323
lpr
16. The proprietary version of UNIX that comes from Bell Labs.
802.11n
H.323 terminal
directional antenna
System V
17. 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.
page file
MEGACO
active scanning
uplink
18. 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).
uplink
branch
WLAN (wireless LAN)
H.323 gateway
19. A small (usually home) network composed of personal communications devices.
user agent server
Bluetooth
station
PAN (personal area network)
20. A type of wireless system in which the locations of the transmitter and receiver are static.
fixed
root domain
Samba
pipe
21. 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
H.323 gatekeeper
RTP (Real-time Transport Protocol)
VoATM (voice over ATM)
roaming
22. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.
videoconferencing
pipeline
MEO (medium Earth orbiting)
ESSID (extended service set identifier)
23. 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).
NFS (Network File System)
softphone
page file
RDN (relative distinguished name)
24. Another term for the UNIX command interpreter.
channel bonding
toll bypass
shell
file globbing
25. A computer that provides support for multiple H.323 terminals (for example - several workstations participating in a videoconference) and manages communication between them.
GNU
inherited
MCU (multipoint control unit)
ext3
26. A type of object recognized by an NOS directory and defined in an NOS schema.
NTFS (New Technology File System)
class
ATA (analog telephone adapter)
user agent server
27. A file on the hard drive that is used for virtual memory.
page file
softphone
VoIP (voice over IP)
object
28. The online documentation for any variety of the UNIX operating system. This documentation describes the use of the commands and the programming interface.
role
man pages (manual pages)
fixed
video-on-demand
29. A licensing mode that allows a fixed quantity of clients to use one software package simultaneously.
per user
schema
thread
DN (distinguished name)
30. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
child domain
signaling
streaming video
namespace
31. 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.
Mac OS X Server
SIP (Session Initiation Protocol)
set top box
trust relationship
32. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
unified messaging
radiation pattern
PowerPC
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
33. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
probe
beacon frame
forest
SIP (Session Initiation Protocol)
34. A standard protocol for accessing network directories.
LDAP (Lightweight Directory Access Protocol)
Mac OS X Server
narrowband
SIP (Session Initiation Protocol)
35. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
iwconfig
account
video-on-demand
set top box
36. 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
video-on-demand
EF (Expedited Forwarding)
man pages (manual pages)
37. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.
reflection
DN (distinguished name)
Administrator
uplink
38. An area of a computer's hard drive that is logically defined and acts as a separate disk drive.
hierarchical file system
roaming
omnidirectional antenna
partition
39. In the context of Windows Server 2003 or Server 2008 - a collection of domain trees that use different namespaces. It allows for trust relationships to be established between trees.
forest
MGC (media gateway controller)
tree
GUI (graphical user interface)
40. A continuum of electromagnetic waves used for data and voice
BSD (Berkeley Software Distribution)
wireless spectrum
fax gateway
MEO (medium Earth orbiting)
41. 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.|
root domain
inode (information node)
GNU
802.11b
42. The exchange of information between the components of a network or system for the purposes of establishing - monitoring - or releasing connections as well as controlling system operations.
scanning
signaling
FoIP (fax over IP)
multiprocessing
43. A protocol for communications and resource access between systems - such as clients and servers.
downlink
set top box
inode (information node)
SMB (Server Message Block)
44. 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.
802.11n
fading
source code
map
45. A type of satellite that orbits the Earth roughly 6000 to 12 -000 miles above its surface - positioned between the equator and the poles. These satellites can cover a larger area of the Earth's surface than LEO satellites while using less power and c
wireless
two-way transitive trust
kernel module
MEO (medium Earth orbiting)
46. A representation of a thing or person associated with the network that belongs in the NOS directory.
object
DC (domain component)
OU (organizational unit)
VoATM (voice over ATM)
47. A version of Linux packaged and distributed by Red Hat.
Fedora
file globbing
redirector
source code
48. A special identifier shared by BSSs that belong to the same ESS.
ESSID (extended service set identifier)
passive scanning
inode (information node)
fax gateway
49. In the context of 802.11n wireless networking - the ability for access points to issue multiple signals to stations - thereby multiplying the signal's strength and increasing their range and data-carrying capacity.
MGCP (Media Gateway Control Protocol)
MIMO (multiple input-multiple output)
explicit one-way trust
BSS (basic service set)
50. The GUI environment for UNIX and Linux systems.
X Window system
FoIP (fax over IP)
FHSS (frequency hopping spread spectrum)
scanning