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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 IEEE standard for a wireless networking technique designed to be compatible with 802.11b while using different encoding techniques that allow it to reach a theoretical maximum capacity of 54 Mbps. It uses the 2.4-GHz frequency band.
asymmetric multiprocessing
802.11g
BSS (basic service set)
pipe
2. A UNIX service responsible for printing files placed in the printer queue by the lpr command.
DiffServ (Differentiated Service)
dial return
kernel module
lpd (line printer daemon)
3. A UNIX or Linux file system information storage area that holds all details about a file. This information includes the size - the access rights - the date and time of creation - and a pointer to the actual contents of the file.
multiprocessing
two-way transitive trust
inode (information node)
VoIP (voice over IP)
4. The name of the primary file system used in most Linux distributions.
unified messaging
OU (organizational unit)
Samba
ext3
5. A proprietary NOS from Apple Computer that is based on a version of UNIX.
Mac OS X Server
per seat
VoATM (voice over ATM)
VoIP (voice over IP)
6. The term used to describe the recently released standards for highthroughput - long-distance digital data exchange over wireless connections.
namespace
VoATM (voice over ATM)
wireless broadband
lpd (line printer daemon)
7. The geographical area in which signals issued from an antenna or wireless system can be consistently and accurately received.
BSD (Berkeley Software Distribution)
range
802.11n
narrowband
8. A LAN that uses wireless connections for some or all of its transmissions.
WLAN (wireless LAN)
H.323 gateway
channel bonding
PowerPC
9. Another term for the UNIX command interpreter.
VoATM (voice over ATM)
shell
IP telephone
streaming video
10. 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.
shell
domain tree
redirect server
LDAP (Lightweight Directory Access Protocol)
11. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
site license
H.323 gateway
H.323 terminal
CN (common name)
12. The ability of a processor to perform multiple activities in a brief period of time (often seeming simultaneous to the user
shell
explicit one-way trust
multitasking
proprietary UNIX
13. The software that sits between the client and server in a 3-tier architecture.
set top box
association
middleware
beacon frame
14. A service that uses the ATM network access method (and ATM cells) to transmit voice signals over a network.
MMC (Microsoft Management Console)
dial return
VoATM (voice over ATM)
domain tree
15. 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
active scanning
ad hoc
explicit one-way trust
omnidirectional antenna
16. The process a wireless station undergoes to find an access point.
role
scanning
file system
shell
17. An area covered by a wireless access point that provides visitors with wireless services - including Internet access.
narrowband
hot spot
NTFS (New Technology File System)
MEO (medium Earth orbiting)
18. 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
range
proxy server
802.11n
videoconferencing
19. The method for organizing and managing objects associated with the network in the Windows Server 2003 and Server 2008 NOSs.
forest
PAN (personal area network)
Active Directory
distribution
20. A collection of H.323 terminals - gateways - and MCUs that are managed by a single H.323 gatekeeper.
UNIX
workgroup
H.323 zone
VoIP (voice over IP)
21. A nonprofit industry association that owns the UNIX trademark.
hierarchical file system
file access protocol
BSS (basic service set)
The Open Group
22. A popular remote file system created by Sun Microsystems - and available for UNIX and Linux operating systems.
NFS (Network File System)
downlink
set top box
UPN (user principal name)
23. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.
Linux
access point
MGC (media gateway controller)
Webcast
24. 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.|
wireless spectrum
inherited
registrar server
GNU
25. 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.
distribution
user agent client
root domain
DSSS (direct-sequence spread spectrum)
26. The signals made of electromagnetic energy that travel through the atmosphere.
middleware
wireless
The Open Group
satellite return
27. In SIP terminology - end-user devices such as workstations - PDAs - cell phones - or IP telephones. It initiates a SIP connection.
Internet telephony
DSSS (direct-sequence spread spectrum)
user agent client
802.11b
28. 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.
GUI (graphical user interface)
PBX (private branch exchange)
video over IP
scanning
29. An operating system's method of organizing - managing - and accessing its files through logical structures and software routines.
Solaris
object
page file
file system
30. A version of Linux packaged and distributed by Red Hat.
Fedora
ad hoc
association
preemptive multitasking
31. A type of wireless system in which the receiver can be located anywhere within the transmitter's range. This allows the receiver to roam from one place to another while continuing to pick up its signal.
domain model
mobile
PAN (personal area network)
site survey
32. A connection from an Earth-based transmitter to an orbiting satellite.
ESS (extended service set)
uplink
virtual memory
ATA (analog telephone adapter)
33. A UNIX command that places files in the printer queue.
BSSID (basic service set identifier)
directory
object
lpr
34. In the context of wireless - the phenomenon that occurs when an electromagnetic wave encounters an obstacle and bounces back toward its source.
class
reflection
UPN (user principal name)
AF (Assured Forwarding)
35. 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.
range
account
iwconfig
RTCP (Real-time Transport Control Protocol)
36. A type of wireless transmission in which signals travel over a single frequency or within a specified frequency range.
DiffServ (Differentiated Service)
narrowband
LOS (line-of-sight)
scanning
37. A type of wireless system in which the locations of the transmitter and receiver are static.
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
asymmetric multiprocessing
forest
fixed
38. In LDAP naming conventions - the name of an object.
Bluetooth
reassociation
iwconfig
CN (common name)
39. 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.
beacon frame
wireless gateway
two-way transitive trust
reassociation
40. 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.
AF (Assured Forwarding)
process
root
AIX
41. 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
SIP (Session Initiation Protocol)
command interpreter
domain model
42. A protocol for communications and resource access between systems - such as clients and servers.
SMB (Server Message Block)
IP telephone
branch
tree
43. The real-time reception and transmission of images and audio among two or more locations.
videoconferencing
proprietary UNIX
active scanning
page file
44. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
FHSS (frequency hopping spread spectrum)
DC (domain component)
roaming
Bluetooth Special Interest Group (SIG)
45. A streaming video - either on demand or live - that is delivered via the Web.
Webcast
Solaris
man pages (manual pages)
signaling
46. In SIP terminology - a server that responds to user agent clients' requests for session initiation and termination.
OU (organizational unit)
iwconfig
inherited
user agent server
47. The proprietary version of UNIX that comes from Bell Labs.
GUID (globally unique identifier)
System V
man pages (manual pages)
3-tier architecture
48. A logical representation of a networked printer's functionality.
printer queue
DN (distinguished name)
partition
PowerPC
49. 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
command interpreter
EF (Expedited Forwarding)
registrar server
50. A form of filename substitution - similar to the use of wildcards in Windows and DOS.
shell
DSSS (direct-sequence spread spectrum)
file globbing
X Window system