Spring 2003
CIS 410 Section 1
Hardware and Software Architecture

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Practice Exam
Choose the most corret answer for each question and click "Submit Answers" for the grade
Note: This interactive exam contains total of 50 questions.

1. At what speed does SONET Transmits data?
More than One gigabit per second
Less than One gigabit per second
Less than One gigabyte per second
More than One gigabyte per second


2. TCP/IP was first developed by who?
3COM
Xerox
Bell Labs
CISCO


3. The acronym MAC is short for?
Multi Access Computer
Media Area Computer
Media Access Control
Main Application Computer


4. At which Layer of the OSI do Routers work?
Data Link Layer
Application Layer
Network Layer
Program Layer


5. Who created TI technology?
Microsoft
Bell Labs
CISCO
Xerox


6. How many bits consist in the IP address?
4
8
16
32
64


7. What does UDP stands for?
User Datagram Protocol
User Datagram Problem
User Division Problem
None of above


8. Which of the following is a type of Media Access Control (MAC)?
OSI
Token Ring
CSMA/CD
Both Token Ring and CSMA/CD


9. What kind of address does hosts must know from the other hosts to communicate on a network?
House
Business
E-mail
Software
Hardware


10. Based on their switching capabilities, Hubs can be divided into how many categories?
2
3
5
7
None of above


11. Which term below best describes a Datagram?
It’s used in reference to an IP layer packet that uses connectionless delivery of packets
A session cannot be established before sending a datagram form one node to another.
A packet that is transferred independently of all other packets
All of above


12. A hub
is a network component that centralizes circuit connection
Has no brain
Operates at the physical layer
All of the above


13. The _______ monitors network performance and activities in order to detect bottle-necks
Administrator
MIB
LAN
Serial port


14. What are System Architectures?
SNA
DECnet
Apple Talk
All of the above


15. Which selection below best describes MAU?
Multistation Access Unit
Modular Access Unit
Management Access Unit
None of the above


16. This is also known as a “non-discriminating” device:
Amplifier
Repeater
Serial port
Coaxial cable


17. Which networking device can make traffic forwarding decisions based on IP addressing?
Router
Bridge
Hub
MAU


18. What does the Address Resolution Protocol (ARP) do?
Obtains IP address
Maps Internet address to physical address
Registers domain
Resolves addressing issues


19. Which of the statements is/are true?
Routers look at network address not node address
Bridge tables use node addresses, not IP addresses
Repeaters do not have filter function, boost weak signal
All of the above are true


20. __________ provides a simple, connectionless, but error free, datagram delivery service for certain specialized application services that do not require the full services of TCP?
ARP
MAC
HUB
UDP


21. What is the network ID number reserved for loopback and diagnostic functions?
128
217
127
256


22. Which of following allows communication between different architectures and environments?
Gateways
Router
Bridge
Hub


23. How does filtering helps?
It reduces network traffic and isolates segments of the network.
It increases network traffic and isolates segments of the network.
It increases network traffic and unites segments of the network.
It reduces network traffic and unites segments of the network.


24. The internet IP addresses have how many decimal integers that separated by decimal points?
Two decimal
Five decimal
Four decimal
One decimal


25. The bridge builds a ________ based on the source address that is stored in its RAM.
Routing table
Network bridge
IP Address
None of the above


26. What occurs when the number of network broadcast messages is greater then the amount of available network bandwith?
Attenuation
Beaconing
Broadcast Storm
Crosstalk


27. Routers operate at which layer?
Application layer
Presentation layer
Network layer
Data Link layer


28. What is NOT a characteristic of Repeaters?
Do not have filter function
Boost weak signal
Work on physical layer
Used for large LANS (more than 100 nodes)


29. The term _________is usually used in reference to an IP layer packet that uses connectionless delivery of packets
Mailgram
Datagram
Telegram
Microgram


30. _______line will accommodate Ti and T2. T3 and T4 require a high4requency medium such as microwave or fiber optic.
Copper
Silver
Twisted cable
Non of the above


31. A _____determines if the incoming frame is destined for a device that is on the segment where the frame was generated.
router
bridge
port
hub


32. In SNMP, clients load a special program which is known as a/an
Management program
SNIYIP
agent in memory
None of the above


33. Over time, the switch builds a table that associates ___________ addresses with port numbers.
TCP
IP
WAN
MAC


34. A_________is a device that consists of many high-speed ports connecting either LAN segments or individual devices on a port-by-port basis.
gateways
hub
switch
routers


35. Which ISDN channel carries voice, data or images?
A channel
B channel
C channel
D channel


36. Which organization divides the OSI link layer into MAC and LL sub-layer(s)?
IEEE
ANSI
ACM
ISO


37. A network that interconnects users with computer resources in a geographic area or region like university can be described as a
WAN
MAN
LAN
WLAN


38. Which class IP addresses are used on networks that have large number of IP hosts?
Class A
Class B
Class C
Class D


39. TCP/IP is one of the Primary System Architectures, other architectures are:
SNA
DECnet
AppleTalk
All the above


40. The network ID ___cannot be used because this ID is reserved for loopback and diagnostic functions.
127
128
130
133


41. _____addresses are normally seen as four decimal integers separated by decimal points.
ID
IP
IR
RC


42. Class ____ addresses are used on networks that haves large number of IP hosts.
E
C
A
D


43. InterNIC is responsible for registering your _____name.
First
Last
Domain
All the above


44. TCP/IP is an acronym for:
Total Control Protocol / Internet Protocol
Transmission Control Protocol / Internet Protocol
Travel Control Protocol / Internet Protocol
Transmission Control Protocol / Intranet Protocol


45. Which of the following components are based on filtering IP addresses?
Bridges
Routers
Firewalls
Gateways


46. What is a datagram?
packet that is transferred independently of all other packets
data transferred in a network
a record of data
graph


47. __________is the most widely used type of digital line at higher data speed.
T3
T2
T4
T1


48. The controlling of the flow of network traffic is known as __________.
isolating
segregating
restricting
segmenting


49. SONET is an system standard that uses a basic transmission rate of 51.84 mbps for which communication medium?
twisted pair cables
coaxial cables
fiber optics
wireless communication


50. They operate on frames and have no regard for the content of the frame, ___________perform functions such as filtering and forwarding MAC frames.
bridges
repeaters
hubs
gateways






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