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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 form of filename substitution - similar to the use of wildcards in Windows and DOS.
file globbing
namespace
AF (Assured Forwarding)
IP-PBX
2. A service that relies on a DSL connection to transmit packetized voice signals.
VoDSL (voice over DSL)
process
preemptive multitasking
infrastructure WLAN
3. 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.|
command interpreter
GNU
IPTV (IP television)
proxy server
4. 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.
command interpreter
inode (information node)
object
active scanning
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.
range
ESS (extended service set)
kernel
process
6. A standard protocol for accessing network directories.
LDAP (Lightweight Directory Access Protocol)
RSVP (Resource Reservation Protocol)
IPTV (IP television)
FHSS (frequency hopping spread spectrum)
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.
printer queue
802.11b
attribute
inherited
8. A record of a user that contains all of her properties - including rights to resources - password - user name - and so on.
account
distribution
videoconferencing
LOS (line-of-sight)
9. 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.
ESSID (extended service set identifier)
video over IP
802.16e
X Window system
10. The provision of telephone service over a packet-switched network running the TCP/IP protocol suite.
set top box
two-way transitive trust
802.11a
VoIP (voice over IP)
11. A telephone used for VoIP on a TCP/IP-based network.
IP telephone
Samba
domain controller
page file
12. 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
shell
class
lpd (line printer daemon)
13. A logical receptacle for holding objects with similar characteristics or privileges in an NOS directory. Containers form the branches of the directory tree.
Server Manager
OU (organizational unit)
fixed
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
14. In 802.11 wireless networking - a type of frame issued by a station during active scanning to find nearby access points.
object
probe
reassociation
open source software
15. The diffusion of a wireless signal that results from hitting an object that has smaller dimensions compared to the signal's wavelength.
Administrator
omnidirectional antenna
scattering
SPARC
16. A freely distributable implementation of a UNIX-type of system. Finnish computer scientist Linus Torvalds originally developed it.
Linux
multiprocessing
MIMO (multiple input-multiple output)
radiation pattern
17. The process of copying Active Directory data to multiple domain controllers. This ensures redundancy so that in case one of the domain controllers fails - clients can still log on to the network - be authenticated - and access resources.
station
replication
class
UPN (user principal name)
18. 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
MCU (multipoint control unit)
BSS (basic service set)
satellite return
source code
19. 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
namespace
thread
FHSS (frequency hopping spread spectrum)
20. The proprietary version of UNIX that comes from Bell Labs.
BSSID (basic service set identifier)
System V
reflection
GUID (globally unique identifier)
21. A group of hierarchically arranged domains that share a common namespace in the Windows Server 2003 or Server 2008 Active Directory.
Internet telephony
video over IP
domain tree
H.323 zone
22. A special identifier shared by BSSs that belong to the same ESS.
Webcast
command interpreter
hot spot
ESSID (extended service set identifier)
23. A logical representation of multiple - hierarchical levels in a directory.
video-on-demand
tree
NFS (Network File System)
site survey
24. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
EF (Expedited Forwarding)
ATA (analog telephone adapter)
thread
namespace
25. 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.
3-tier architecture
redirect server
802.16e
AF (Assured Forwarding)
26. The capability for operating multiple logical servers
virtualization
wireless spectrum
inherited
MGC (media gateway controller)
27. A streaming video - either on demand or live - that is delivered via the Web.
multiprocessing
site survey
replication
Webcast
28. 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.
FHSS (frequency hopping spread spectrum)
PAN (personal area network)
set top box
AIX
29. A connection from an Earth-based transmitter to an orbiting satellite.
uplink
dial return
SIP (Session Initiation Protocol)
MIMO (multiple input-multiple output)
30. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
H.245
PBX (private branch exchange)
infrastructure WLAN
user agent client
31. The geographical area in which signals issued from an antenna or wireless system can be consistently and accurately received.
Samba
range
explicit one-way trust
command interpreter
32. A group of access points and associated stations (or basic service sets) connected to the same LAN.
file globbing
802.11a
site license
ESS (extended service set)
33. 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.
802.11n
RSVP (Resource Reservation Protocol)
CIFS (Common Internet File System)
MIMO (multiple input-multiple output)
34. A type of WLAN in which stations communicate with an access point and not directly with each other.
partition
kernel
infrastructure WLAN
lpr
35. A portion of the kernel that you can load and unload to add or remove functionality on a running UNIX or Linux system.
EF (Expedited Forwarding)
softphone
scattering
kernel module
36. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
schema
kernel
spread spectrum
Administrator
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.
AIX
ATA (analog telephone adapter)
two-way transitive trust
partition
38. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
wireless broadband
workgroup
ESS (extended service set)
3-tier architecture
39. A UNIX service responsible for printing files placed in the printer queue by the lpr command.
Bluetooth Special Interest Group (SIG)
lpd (line printer daemon)
namespace
streaming video
40. The real-time reception and transmission of images and audio among two or more locations.
directional antenna
MIMO (multiple input-multiple output)
videoconferencing
printer queue
41. The name of the primary file system used in most Linux distributions.
MGCP (Media Gateway Control Protocol)
file globbing
namespace
ext3
42. A protocol that enables one system to access files on another system.
account
member server
RTS/CTS (Request to Send/Clear to Send)
file access protocol
43. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
dial return
set top box
proprietary UNIX
multipath
44. 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.
range
infrastructure WLAN
command interpreter
domain tree
45. 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.
page file
video over IP
man pages (manual pages)
replication
46. A highly privileged user ID that has all rights to create - delete - modify - move - read - write - or execute files on a UNIX or Linux system.
channel bonding
root
DSSS (direct-sequence spread spectrum)
directory
47. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
range
ATA (analog telephone adapter)
inherited
LOS (line-of-sight)
48. A UNIX distribution that originated at the University of California at Berkeley.
probe
physical memory
Samba
BSD (Berkeley Software Distribution)
49. A GUI tool provided with Windows Server 2008 that enables network administrators to manage server roles - features - resources - and users from a single interface.
Server Manager
PAN (personal area network)
spread spectrum
UPN (user principal name)
50. 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).
Bluetooth
DN (distinguished name)
iwconfig
mount