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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 service in which television signals from broadcast or cable networks travel over packet-switched networks.
IPTV (IP television)
process
Webcast
dial return
2. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
beacon frame
scanning
domain model
GEO (geosynchronous orbit or geostationary orbit)
3. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
MMC (Microsoft Management Console)
OU (organizational unit)
thread
wireless
4. 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.
association
user agent client
Server Manager
virtualization
5. The core of a UNIX or Linux system. This part of the operating system is loaded and run when you turn on your computer. It mediates between user programs and the computer hardware.
kernel
open source software
IP-PBX
DN (distinguished name)
6. 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.
virtual memory
attribute
thread
SIP (Session Initiation Protocol)
7. A service in which a video stored as an encoded file is delivered to a viewer upon his request.
Fedora
pipeline
video-on-demand
3-tier architecture
8. 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
virtualization
802.11b
SPARC
Bluetooth
9. The ability of a processor to perform multiple activities in a brief period of time (often seeming simultaneous to the user
group
multitasking
virtual memory
site survey
10. A device used on wireless LANs that transmits and receives wireless signals to and from multiple nodes and retransmits them to the rest of the network segment. Those can connect a group of nodes with a network or two networks with each other. They ma
access point
domain
schema
multiprocessing
11. A nonprofit industry association that owns the UNIX trademark.
BSS (basic service set)
trust relationship
VoIP (voice over IP)
The Open Group
12. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.
DC (domain component)
dial return
reflection
802.11a
13. A version of Linux packaged and distributed by Red Hat.
class
fixed
Fedora
child domain
14. 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.
printer queue
range
RTCP (Real-time Transport Control Protocol)
GNU
15. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
file globbing
site survey
DN (distinguished name)
reflection
16. A special identifier shared by BSSs that belong to the same ESS.
streaming video
ESSID (extended service set identifier)
802.11n
omnidirectional antenna
17. A client/server environment that uses middleware to translate requests between the client and server.
3-tier architecture
RDN (relative distinguished name)
PowerPC
toll bypass
18. A long form of an object's name in Active Directory that explicitly indicates the object name - plus the names of its containers and domains. It includes a DC (domain component) - OU (organizational unit) - and CN (common name).
DN (distinguished name)
MCU (multipoint control unit)
RTP (Real-time Transport Protocol)
DC (domain component)
19. 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.
H.245
tree
signaling
beacon frame
20. A service that relies on a DSL connection to transmit packetized voice signals.
VoDSL (voice over DSL)
file access protocol
video-on-demand
mount
21. 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.
pipeline
active scanning
per user
Active Directory
22. The signals made of electromagnetic energy that travel through the atmosphere.
satellite return
wireless
virtual memory
two-way transitive trust
23. In IEEE terminology - the identifier for a BSS (basic service set).
diffraction
downlink
virtual memory
BSSID (basic service set identifier)
24. In SIP terminology - a server that responds to user agent clients' requests for session initiation and termination.
two-way transitive trust
site survey
channel bonding
user agent server
25. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.
FHSS (frequency hopping spread spectrum)
preemptive multitasking
H.323
MGC (media gateway controller)
26. An end node on a network; used most often in the context of wireless networks. transponder
multipath
pipeline
RTP (Real-time Transport Protocol)
station
27. The name of the primary file system used in most Linux distributions.
ext3
schema
reassociation
3-tier architecture
28. 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.
H.245
dial return
IP telephone
Mac OS X Server
29. A routine of sequential instructions that runs until it has achieved its goal.
page file
process
trust relationship
SSID (service set identifier)
30. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
radiation pattern
Mac OS X Server
iwconfig
trust relationship
31. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.
association
source code
Server Manager
802.11a
32. 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.
map
directional antenna
H.323 gatekeeper
802.16e
33. A protocol for communications and resource access between systems - such as clients and servers.
SMB (Server Message Block)
class
tree
streaming video
34. 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.
SPARC
attribute
two-way transitive trust
SMB (Server Message Block)
35. A UNIX distribution that originated at the University of California at Berkeley.
videoconferencing
domain controller
uplink
BSD (Berkeley Software Distribution)
36. A logical representation of multiple - hierarchical levels in a directory.
tree
PBX (private branch exchange)
infrastructure WLAN
omnidirectional antenna
37. 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.
wireless spectrum
probe
video over IP
MEGACO
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.
fading
forest
LEO (low Earth orbiting)
file access protocol
39. The proprietary version of UNIX that comes from Bell Labs.
diffraction
System V
H.323 zone
CIFS (Common Internet File System)
40. The RAM chips installed on the computer's system board that provide dedicated memory to that computer.
active scanning
downlink
domain tree
physical memory
41. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
GUI (graphical user interface)
trust relationship
user agent client
VoATM (voice over ATM)
42. A type of software license that - for a fixed price - allows any number of users in one location to legally access a program.
Bluetooth Special Interest Group (SIG)
DN (distinguished name)
site license
UPN (user principal name)
43. 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.
schema
FoIP (fax over IP)
object
redirect server
44. In the context of applications - a licensing mode that limits access to an application to specific users or workstations.
source code
per seat
map
RTP (Real-time Transport Protocol)
45. 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
registrar server
proxy server
Solaris
command interpreter
46. A client or server operating system originally developed by researchers at AT&T Bell Laboratories in 1969.
UNIX
user agent server
explicit one-way trust
VoIP (voice over IP)
47. A connection from an orbiting satellite to an Earth-based receiver.
3-tier architecture
downlink
mount
directional antenna
48. A proprietary implementation of the UNIX operating system by Sun Microsystems.
per seat
directory
Solaris
IP telephone
49. A type of satellite Internet access service in which a subscriber sends and receives data to and from the Internet over the satellite link. This is a symmetrical technology - in which both upstream and downstream throughputs are advertised to reach 4
printer queue
fading
satellite return
registrar server
50. 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.
mobile
Administrator
symmetric multiprocessing
RSVP (Resource Reservation Protocol)