Data Communication and Networks, Final
Exam: Question Bank
The Fast Ethernet standards are based on 1000-Mbps transmission speeds, or 1 gigabit (1
billion bits) per second.
T/F - ANS-False
If the circuit cards are ____________________, it is possible to insert and remove cards while
the power to the unit is still on.- ANS-Hot swappable
The ____________________ allows for a CSMA/CD network to simultaneously transmit and
receive data to and from a workstation. - ANS-WRONG! full duplex
A(n) ____________________ is a collection of computers and computer-related equipment
interconnected to perform a given function or functions and typically using local and
long-distance telecommunications systems - ANS-WRONG! Network
A network that is connected in a _____ is one in which neighbors are connected only to
neighbors.
bus
star-bus
mesh
star - ANS-WRONG! star
_____ area networks can cover large geographic distances, including the entire Earth.
Local
Universal
Personal
Wide - ANS-Wide
In reality, a multitasking operating system runs only one program at a time.
T/F - ANS-True
_____ technique is also known as disk mirroring.
RAID-1
RAID-3
RAID-5
RAID-0 - ANS-RAID-1
A modern operating system must provide various levels of operating system _____, including
directory and file security, memory security, and resource security.
, memory
size
security
space - ANS-security
IP ____________________ is essentially another name for a data packet. - ANS-WRONG!
packet
Home and small business local area networks often use NAT to conserve IP addresses.
T/F - ANS-True
There are six basic forms of a classful IPv4 address: Class A, B, C, D, E, and F.
T/F - ANS-?False
Convergence has had a particularly noticeable impact on the telecommunications market.
T/F - ANS-True
_____ are permanent direct connections between two specified points.
Centrex
The lines
PBX
IPX - ANS-The lines
____________________ mean that as a person speaks into a telephd, the system can digitize
the voice and store it on a hard disk drive as computer data. - ANS-?IVR
To promote acceptance, the ____________________ suite of protocols was created to support
the many different types of wireless local area networks in existence.- ANS-IEEE 802
???
Page 211
Three of the most popular local area network systems are Ethernet, IBM Token Ring, and
Wireless Ethernet.
T/F - ANS-False
The ____ sublayer is primarily responsible for logical addressing and providing error control and
flow control information.
logical link control (LLC)
medium physical control (MPC)
medium access control (MAC)
physical access control (PAC) - ANS-logical link control (LLC)
Exam: Question Bank
The Fast Ethernet standards are based on 1000-Mbps transmission speeds, or 1 gigabit (1
billion bits) per second.
T/F - ANS-False
If the circuit cards are ____________________, it is possible to insert and remove cards while
the power to the unit is still on.- ANS-Hot swappable
The ____________________ allows for a CSMA/CD network to simultaneously transmit and
receive data to and from a workstation. - ANS-WRONG! full duplex
A(n) ____________________ is a collection of computers and computer-related equipment
interconnected to perform a given function or functions and typically using local and
long-distance telecommunications systems - ANS-WRONG! Network
A network that is connected in a _____ is one in which neighbors are connected only to
neighbors.
bus
star-bus
mesh
star - ANS-WRONG! star
_____ area networks can cover large geographic distances, including the entire Earth.
Local
Universal
Personal
Wide - ANS-Wide
In reality, a multitasking operating system runs only one program at a time.
T/F - ANS-True
_____ technique is also known as disk mirroring.
RAID-1
RAID-3
RAID-5
RAID-0 - ANS-RAID-1
A modern operating system must provide various levels of operating system _____, including
directory and file security, memory security, and resource security.
, memory
size
security
space - ANS-security
IP ____________________ is essentially another name for a data packet. - ANS-WRONG!
packet
Home and small business local area networks often use NAT to conserve IP addresses.
T/F - ANS-True
There are six basic forms of a classful IPv4 address: Class A, B, C, D, E, and F.
T/F - ANS-?False
Convergence has had a particularly noticeable impact on the telecommunications market.
T/F - ANS-True
_____ are permanent direct connections between two specified points.
Centrex
The lines
PBX
IPX - ANS-The lines
____________________ mean that as a person speaks into a telephd, the system can digitize
the voice and store it on a hard disk drive as computer data. - ANS-?IVR
To promote acceptance, the ____________________ suite of protocols was created to support
the many different types of wireless local area networks in existence.- ANS-IEEE 802
???
Page 211
Three of the most popular local area network systems are Ethernet, IBM Token Ring, and
Wireless Ethernet.
T/F - ANS-False
The ____ sublayer is primarily responsible for logical addressing and providing error control and
flow control information.
logical link control (LLC)
medium physical control (MPC)
medium access control (MAC)
physical access control (PAC) - ANS-logical link control (LLC)
