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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. The capability for operating multiple logical servers
partition
page file
virtualization
Bluetooth
2. 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
reflection
802.11b
SIP (Session Initiation Protocol)
member server
3. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
attribute
DN (distinguished name)
H.225
Bluetooth Special Interest Group (SIG)
4. 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.
VoATM (voice over ATM)
narrowband
redirect server
IP-PBX
5. 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).
multiprocessing
proprietary UNIX
DC (domain component)
BSS (basic service set)
6. A telephone used for VoIP on a TCP/IP-based network.
ext3
association
IP telephone
wireless gateway
7. A service that relies on a DSL connection to transmit packetized voice signals.
wireless router
forest
fixed
VoDSL (voice over DSL)
8. A wireless signaling technique in which a signal jumps between several different frequencies within a band in a synchronization pattern known to the channel's receiver and transmitter.
BSSID (basic service set identifier)
FHSS (frequency hopping spread spectrum)
station
Webcast
9. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
two-way transitive trust
omnidirectional antenna
DSSS (direct-sequence spread spectrum)
probe
10. A Windows Server 2003 or Server 2008 computer that contains a replica of the Active Directory database.
site survey
inode (information node)
active scanning
domain controller
11. A connection from an Earth-based transmitter to an orbiting satellite.
3-tier architecture
LDAP (Lightweight Directory Access Protocol)
Solaris
uplink
12. In SIP terminology - a server that responds to user agent clients' requests for session initiation and termination.
explicit one-way trust
lpr
class
user agent server
13. A client/server environment that uses middleware to translate requests between the client and server.
attribute
3-tier architecture
class
wireless gateway
14. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
802.11a
infrastructure WLAN
hot spot
narrowband
15. The term used to describe software that is distributed with few restrictions and whose source code is freely available.
802.11g
open source software
streaming video
access point
16. An attribute of an object that identifies the object separately from its related container(s) and domain.
RDN (relative distinguished name)
The Open Group
root domain
ad hoc
17. In Windows Server 2003 or Server 2008 networking - the single domain from which child domains branch out in a domain tree.
roaming
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
root domain
wireless broadband
18. 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
reassociation
diffraction
active scanning
MCU (multipoint control unit)
19. A proprietary implementation of the UNIX system distributed by IBM.
AIX
per user
leaf object
pipe
20. 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.
signaling
shell
source code
process
21. An end node on a network; used most often in the context of wireless networks. transponder
class
pipeline
station
probe
22. 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
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
leaf object
RTP (Real-time Transport Protocol)
tree
23. In Microsoft terminology - the type of client/server network that relies on domains - rather than workgroups.
hot spot
802.11a
domain model
EF (Expedited Forwarding)
24. In the DiffServ QoS technique - a forwarding specification that assigns each data stream a minimum departure rate from a given node. This technique circumvents delays that slow normal data from reaching its destination on time and in sequence.
multitasking
EF (Expedited Forwarding)
role
pipeline
25. In the context of wireless networking - the process of a station establishing a connection (or associating) with a different access point.
RTCP (Real-time Transport Control Protocol)
PowerPC
reassociation
CIFS (Common Internet File System)
26. 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.
forest
X Window system
access point
video over IP
27. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
omnidirectional antenna
H.323 terminal
child domain
command interpreter
28. 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.
GNU
3-tier architecture
wireless
UPN (user principal name)
29. A type of wireless system in which the locations of the transmitter and receiver are static.
map
fixed
redirect server
domain model
30. A file on the hard drive that is used for virtual memory.
channel bonding
paging
page file
printer queue
31. 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.
mount
two-way transitive trust
Bluetooth
DC (domain component)
32. A unique character string used to identify an access point on an 802.11 network.
leaf object
SSID (service set identifier)
RTS/CTS (Request to Send/Clear to Send)
FHSS (frequency hopping spread spectrum)
33. A service that uses the ATM network access method (and ATM cells) to transmit voice signals over a network.
MGC (media gateway controller)
VoDSL (voice over DSL)
VoATM (voice over ATM)
streaming video
34. 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
reassociation
802.11b
access point
streaming video
35. A service in which television signals from broadcast or cable networks travel over packet-switched networks.
IPTV (IP television)
branch
IP-PBX
ad hoc
36. An open source software package that provides complete Windows-style file- and printer-sharing capabilities.
DSSS (direct-sequence spread spectrum)
Bluetooth Special Interest Group (SIG)
802.11n
Samba
37. The relative strength over a three-dimensional area of all the electromagnetic energy an antenna sends or receives.
range
IP telephone
802.11n
radiation pattern
38. 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.
Active Directory
active scanning
signaling
802.16e
39. 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.
Linux
hierarchical file system
dial return
UPN (user principal name)
40. 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.
H.225
kernel module
two-way transitive trust
LEO (low Earth orbiting)
41. The proprietary version of UNIX that comes from Bell Labs.
System V
WLAN (wireless LAN)
beacon frame
root domain
42. 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.
downlink
802.16e
paging
video over IP
43. A user account that has unlimited privileges to resources and objects managed by a server or domain.
DiffServ (Differentiated Service)
video-on-demand
Administrator
directional antenna
44. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
DN (distinguished name)
user agent client
hot spot
access point
45. In Microsoft terminology - the primary purpose of a Windows Server 2008 server.
streaming video
domain tree
role
symmetric multiprocessing
46. 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.
per user
mount
The Open Group
MIMO (multiple input-multiple output)
47. A logical representation of a networked printer's functionality.
printer queue
fading
range
ext3
48. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.
account
man pages (manual pages)
fixed
LEO (low Earth orbiting)
49. A protocol used for communication between media gateway controllers and media gateways.
MGCP (Media Gateway Control Protocol)
inherited
SMB (Server Message Block)
VoIP (voice over IP)
50. An access point that provides routing functions.
dial return
MEGACO
file globbing
wireless router