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COSC 3315 Chapter 4

True/False
Indicate whether the statement is true or false.
 

 1. 
One of the most important jobs a NIC performs is to take outgoing transmissions from the CPU in serial form and recast them into their parallel equivalents.
 

 2. 
ExpressCard uses PCI Express technology to provide data transfer rates up to 500 MBps, with future versions reaching 4 GBps.
 

 3. 
NICs can have a major influence on network performance.
 

 4. 
Bus mastering means a NIC includes additional memory to provide temporary storage for incoming and outgoing data that arrives at the NIC faster than it can be shipped out.
 

 5. 
On-board co-processors included on some NICs permit the card to process incoming and outgoing network data without requiring service from the CPU.
 

 6. 
When purchasing a NIC, it is preferable to buy one that uses a PCI or ISA bus at 32 or 64 bits.
 

 7. 
When purchasing a NIC, you should remember that shared memory outpaces I/O or DMA.
 

 8. 
It is not possible to change the burned-in MAC address of your network card.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 9. 
A(n) ____ allows the computer and adapters to exchange data in chunks equal to the number of lines extending between them.
a.
computer bus
c.
adapter slot
b.
NIC
d.
USB
 

 10. 
The type of data transmission that occurs in a computer bus is called ____ transmission.
a.
serial
c.
analog
b.
parallel
d.
digital
 

 11. 
The type of data transmission that occurs in any form of networking media is called ____ transmission.
a.
serial
c.
analog
b.
parallel
d.
digital
 

 12. 
ISA is a type of ____.
a.
PCMCIA standard
c.
computer bus
b.
adapter slot
d.
network adapter
 

 13. 
In a NIC, ____ are the fundamental unit of data for network transmission and reception.
a.
bits
c.
packets
b.
segments
d.
frames
 

 14. 
Some NICs can operate in what’s called “____ mode”—essentially, this mode turns off the gatekeeper functions and enables the NIC to forward any frames it sees to the computer.
a.
promiscuous
c.
sniffing
b.
forwarding
d.
analyzing
 

 15. 
MAC addresses take the form of ____ two-digit hexadecimal numbers separated by colons.
a.
four
c.
six
b.
five
d.
seven
 

 16. 
____ cards are credit-card-size expansion cards used primarily to add functionality to laptop computers.
a.
USB
c.
NIC
b.
FireWire
d.
PCMCIA
 

 17. 
The ISA bus originally appeared in the first PCs in a(n) ____-bit form.
a.
8
c.
32
b.
16
d.
64
 

 18. 
The PCMCIA bus size is ____ bits.
a.
8
c.
32
b.
16
d.
64
 

 19. 
USB comes in ____ versions.
a.
two
c.
four
b.
three
d.
five
 

 20. 
FireWire is also known as IEEE ____.
a.
802
c.
Cardbus
b.
1394
d.
ExpressCard
 

 21. 
PnP attempts to define a set of configuration protocols so that a computer can communicate with its peripherals during the ____ sequence and negotiate a working configuration without requiring user intervention.
a.
boot up
c.
IEEE 1394
b.
POST
d.
load
 

 22. 
____ means the adapter’s buffers map directly into RAM on the computer.
a.
DMA
c.
Shared adapter memory
b.
Shared system memory
d.
Bus mastering
 

 23. 
____ means a NIC’s on-board processor selects a region of RAM on the computer and writes to it as though it were buffer space on the adapter.
a.
DMA
c.
Shared adapter memory
b.
Shared system memory
d.
Bus mastering
 

 24. 
____ permits a network adapter to take control of the computer’s bus to initiate and manage data transfers to and from the computer’s memory, independent of the CPU.
a.
DMA
c.
Shared adapter memory
b.
Shared system memory
d.
Bus mastering
 

 25. 
When purchasing a NIC for a server, you should choose ____-bit PCI-X or PCIe when possible.
a.
8
c.
32
b.
16
d.
64
 

 26. 
With respect to data transfer speeds of wireless NICs, the most common choices today are 11 Mbps or ____ Mbps.
a.
22
c.
54
b.
50
d.
100
 

 27. 
Wireless NICs can operate at speeds faster than 100 Mbps by using the ____ technology.
a.
IEEE 802.11a
c.
IEEE 802.11i
b.
IEEE 802.11g
d.
IEEE 802.11n
 

 28. 
Most computers start themselves (in a process called ____) by reading information from a disk.
a.
boot up
c.
Boot PROM
b.
POST
d.
PXE
 

 29. 
The main benefit of the ____ device driver standard is that it allows NICs to use multiple protocols simultaneously.
a.
ISA
c.
WDM
b.
NDIS
d.
ODI
 

 30. 
The ____ standard defines a complete NIC driver interface for PCs that run 32-bit Windows operating systems.
a.
PnP
c.
WDM
b.
NDIS
d.
ODI
 

 31. 
Apple Computer and Novell defined the ____ standard to allow a NIC to use multiple protocols and to simplify driver development for NIC manufacturers.
a.
PnP
c.
WDM
b.
NDIS
d.
ODI
 

 32. 
The name assigned to a WLAN is called the ____.
a.
MAC
c.
ODI
b.
SSID
d.
WEP
 

Completion
Complete each statement.
 

 33. 
NIC stands for ____________________.
 

 

 34. 
One of the most important components on a network adapter is memory, which acts as a(n) ____________________, a staging area to hold data.
 

 

 35. 
MAC (as in MAC address) stands for ____________________.
 

 

 36. 
PnP stands for ____________________.
 

 

 37. 
Diskless workstations are also called “____________________”.
 

 

 38. 
With respect to wireless LANs, WEP stands for _________________________.
 

 

 39. 
With respect to wireless LANs, WPA stands for _________________________.
 

 

 40. 
Large vendors have a searchable database of problems and their solutions in a(n) ____________________, where you can enter a keyword or an error code to search for information.
 

 

Matching
 
 
Match each term with the correct statement below.
a.
device driver
f.
MAC address
b.
computer bus
g.
DMA
c.
PCI
h.
FireWire
d.
Cardbus
i.
adapter slot
e.
bus width
 

 41. 

 series of parallel data lines that link components inside a computer to send data between the CPU and network adapters
 

 42. 

 number of parallel lines in a computer bus
 

 43. 

 socket built into PC motherboards, designed to accommodate add-on cards, such as NICs
 

 44. 

 type of computer bus
 

 45. 

 a NIC’s unique identifier
 

 46. 

 PCMCIA standard
 

 47. 

 a high-speed serial bus
 

 48. 

 allows an adapter to transfer data directly from its on-board buffers into the computer’s memory, without requiring the CPU to coordinate memory access
 

 49. 

 small, specialized program that represents a device to an OS and manages communications between the OS and network adapter
 



 
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