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Test your basic knowledge |
Comptia Network + Wireless NOS Voip
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Subjects
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certifications
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comptia-network-+
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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. In the context of IPTV - a device that decodes digital video signals and issues them to the television.
CIFS (Common Internet File System)
man pages (manual pages)
set top box
branch
2. An area of a computer's hard drive that is logically defined and acts as a separate disk drive.
command interpreter
file system
infrastructure WLAN
partition
3. A telephone used for VoIP on a TCP/IP-based network.
wireless spectrum
group
LEO (low Earth orbiting)
IP telephone
4. A series of two or more commands in which the output of prior commands is sent to the input of subsequent commands.
middleware
mobile
uplink
pipeline
5. 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
mobile
satellite return
file system
H.323
6. 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.
radiation pattern
hierarchical file system
explicit one-way trust
802.11b
7. A licensing mode that allows a fixed quantity of clients to use one software package simultaneously.
iwconfig
UNIX
per user
NTFS (New Technology File System)
8. 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.
CN (common name)
shell
RSVP (Resource Reservation Protocol)
workgroup
9. A method of satellite Internet access in which a subscriber receives data via a satellite downlink transmission - but sends data to the satellite via an analog modem (dialup) connection.
scanning
directional antenna
hot spot
dial return
10. The complete database of hierarchical names (including host and domain names) used to resolve IP addresses with their hosts.
downlink
MCU (multipoint control unit)
Linux
namespace
11. 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
namespace
signaling
Linux
12. A wireless networking standard that uses FHSS (frequency hopping spread spectrum) signaling in the 2.4-GHz band to achieve a maximum throughput of either 723 Kbps or 2.1 Mbps - depending on the version. IT was designed for use primarily with small of
UPN (user principal name)
IP telephone
hierarchical file system
Bluetooth
13. A UNIX distribution that originated at the University of California at Berkeley.
shell
file access protocol
802.11g
BSD (Berkeley Software Distribution)
14. In Microsoft terminology - a group of interconnected computers that share each others' resources without relying on a central file server.
inherited
user agent client
pipe
workgroup
15. A portion of the kernel that you can load and unload to add or remove functionality on a running UNIX or Linux system.
PAN (personal area network)
domain
kernel module
probe
16. 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.
signaling
video over IP
MIMO (multiple input-multiple output)
CN (common name)
17. An end node on a network; used most often in the context of wireless networks. transponder
station
802.11b
site survey
proprietary UNIX
18. A customizable - graphical network management interface introduced with Windows Server 2003 and incorporated in Window Server 2008's Server Manager.
channel bonding
MMC (Microsoft Management Console)
3-tier architecture
redirector
19. The type of multitasking in which tasks are actually performed one at a time - in very brief succession. One program uses the processor for a certain period of time - then is suspended to allow another program to use the processor.
association
directional antenna
LDAP (Lightweight Directory Access Protocol)
preemptive multitasking
20. A connection from an Earth-based transmitter to an orbiting satellite.
uplink
passive scanning
multipath
channel bonding
21. A computer that provides support for multiple H.323 terminals (for example - several workstations participating in a videoconference) and manages communication between them.
Linux
range
Internet telephony
MCU (multipoint control unit)
22. A cost-savings benefit that results from organizations completing long-distance telephone calls over their packet-switched networks - thus bypassing tolls charged by common carriers on comparable PSTN calls.
role
hot spot
H.323 zone
toll bypass
23. A proprietary implementation of the UNIX system distributed by IBM.
range
GUID (globally unique identifier)
AIX
radiation pattern
24. A type of wireless system in which the locations of the transmitter and receiver are static.
root
site license
fixed
video over IP
25. A command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.
video over IP
signaling
iwconfig
satellite return
26. In the context of wireless networking - the process in which a station listens to several channels within a frequency range for a beacon issued by an access point.
passive scanning
NTFS (New Technology File System)
file system
process
27. 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
MEO (medium Earth orbiting)
Administrator
site survey
registrar server
28. A unique character string used to identify an access point on an 802.11 network.
probe
SSID (service set identifier)
video phone
replication
29. 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
The Open Group
active scanning
wireless spectrum
30. A computer that manages multiple media gateways and facilitates the exchange of call control information between these gateways.
SSID (service set identifier)
Webcast
beacon frame
MGC (media gateway controller)
31. The term used to refer to the different implementations of a particular UNIX or Linux system. For example - different distributions of Linux include Fedora - SUSE - and Ubuntu.
per seat
wireless broadband
paging
distribution
32. 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.
directional antenna
file access protocol
kernel
multipath
33. On a network following the H.323 standard - any node that provides audio - visual - or data information to another node.
reassociation
H.323 terminal
per user
replication
34. 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
wireless router
class
RTP (Real-time Transport Protocol)
H.323
35. A type of permission - or right - that is passed down from one group (the parent) to a group within that group (the child).
inherited
VoATM (voice over ATM)
satellite return
video phone
36. 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.
GUI (graphical user interface)
lpr
UPN (user principal name)
Webcast
37. 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.|
roaming
GNU
Mac OS X Server
softphone
38. The description of object types - or classes - and their required and optional attributes that are stored in an NOS's directory.
schema
H.323 gateway
open source software
streaming video
39. A consortium of companies - including Sony Ericsson - Intel - Nokia - Toshiba - and IBM - that formally banded together in 1998 to refine and standardize Bluetooth technology.
802.11b
System V
set top box
Bluetooth Special Interest Group (SIG)
40. A connection from an orbiting satellite to an Earth-based receiver.
RTCP (Real-time Transport Control Protocol)
downlink
open source software
AF (Assured Forwarding)
41. The signals made of electromagnetic energy that travel through the atmosphere.
3-tier architecture
H.323
wireless
SSID (service set identifier)
42. The GUI environment for UNIX and Linux systems.
replication
X Window system
process
RDN (relative distinguished name)
43. An ITU standard that describes an architecture and a suite of protocols for establishing and managing multimedia services sessions on a packet-switched network.
thread
role
H.323
H.245
44. 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.
two-way transitive trust
MEGACO
multitasking
role
45. 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).
SPARC
streaming video
DN (distinguished name)
Server Manager
46. A UNIX command that places files in the printer queue.
lpr
proprietary UNIX
SIP (Session Initiation Protocol)
attribute
47. A routine of sequential instructions that runs until it has achieved its goal.
inherited
video over IP
process
root domain
48. In IEEE terminology - the identifier for a BSS (basic service set).
reflection
BSSID (basic service set identifier)
user agent client
site license
49. The IEEE standard for a wireless networking technique that uses multiple frequency bands in the 5-GHz frequency range and provides a theoretical maximum throughput of 54 Mbps.
iwconfig
range
per user
802.11a
50. 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.
Linux
roaming
DSSS (direct-sequence spread spectrum)
DN (distinguished name)
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