Questions for the website
1) At what speed does SONET Transmits data?
A) More than One gigabit per second
B) Less than One gigabit per second
C) Less than One gigabyte per second
D) More than One gigabyte per second
2) TCP/IP was first developed by who?
A) 3COM
B) Xerox
C) Bell Labs
D) CISCO
3) The acronym MAC is short for?
A) Multi Access Computer
B) Media Area Computer
C) Media Access Contorol
D) Main Application Computer
4) At which Layer of the OSI do Routers work?
A) Data Link Layer
B) Application Layer
C) Network Layer
D) Program Layer
5) Who created TI technology?
A) Microsoft
B) Bell Labs
C) CISCO
D) Xerox
6) How many bits consist in the IP address? a) 4 b) 8 c) 16 d) 32 e) 64
7) What does UDP stands for? a) User Datagram Protocol b) User Datagram Problem c) User Division Problem d) None of above
8) Which of the following is a type of Media Access Control (MAC)? a) OSI b) Token Ring c) d)
CSMA/CO
Both b and c
9) What kind of address does hosts must know from the other hosts to

communicate on a network? a) House b) Business c) d)
E-mail
Software e) Hardware
10) Based on their switching capabilities, Hubs can be divided into how many
categories? a) 2 b) 3 c) d) e)
5
7
None of above
11) Which term below best describes a Datagram?
a) It’s used in reference to an IP layer packet that uses
connectionless delivery of packets
b) A session cannot be established before sending a datagram form one
node to another.
c) A packet that is transferred independently of all other packets
d) Both (a) and (b) are correct
e) (a), (b), and (c) are correct
12) Which of the following descriptions is true about a network hub?
a) Has no brain (like the Scarecrow in The Wizard of Oz)
b) It is a network component that centralizes circuit connections
c) Operates at the physical layer
d) Operates as a central connection point and joins lines in S star
network configurations
e) All are true
13) Which of the following statements is not true about T1?
a) is used to transmit digital voice, data and video signal.
b) Developed by Bell Labs
c) Require a high frequency medium such as microwave or fiber optic.
d) (a) and (b) are not true
e) None are true
14) What are Architectures?
a) SNA
b) DECnet
c) Apple Talk
d) All of the above
15) Which selection below best describes MAU?
a) Multistation Access Unit
b) Modular Access Unit
c) Management Access Unit
d) None of the above
16) What is based on the manager/agent mode?

a) SNMP
b) SNIYIP
c) MIN
d) None of the above
17) Which is Wide Area Networking (WAN)?
a) DSU
b) CSU
c) A and B
d) None of the above
18) A _________ use/uses network addresses. a) Bridge b) Router and bridge c) Repeater and bridge d) Router e) None of these above.
19) A _________ use/uses network addresses. a) Bridge b)Router and bridge c)Repeater and bridge d)Router
20) Filtering helps to reduce _______________ and isolate segments of the network. a) Bridge b) Network c) Network Traffic d) Routers
21) High-speed chassis are used to interconnect individual LANs with_____________________. a) IP Address b) Network management modules c) Another LAN d) HUB
22) A packet that is transferred independently of all other packets is a (TL) a) Switch b) Hub c) Datagram d) Router
23) Referring to Ethernet, the hosts must know what about the other host to communicate on a network? a) Hardware address (MAC) b) IP address c) Ping d) ARP
24) The first byte of a class A address begins with a number from:
a) 1-127

b) 128-191
c) 1-256
d) 1-100
25) Brouter combines the best qualities of both
a) Bridge, Router
b) Protocol, Address
c) Bridge, Brouter
d) none of the above
26) A TI channel can carry
a) 44.736mbps
b) 274.176 mbpS5
c) 1.5444mps
d) 44.73 Bmbps
27) A datagram is a packet that is transferred independently of all other
packets? True or False
28) Net ID identifies a host on that network?
True or False
29) This is also known as a “non-discriminating” device:
a) Amplifier b) Repeater
c) Serial port
d) Coaxial cable
30) Routers operate on the _______ of the OS model a) Data link layer b) Network layer c) Physical layer d) Transport layer
31) Hubs operate on the physical layer of the OS model and is/are also know as
a) Switches
b) Routers
c) LAN
d)MAU
32) The _______ monitors network performance and activities in order to detect bottle-necks a) Administrator
b) MIB
c) LAN
d) Serial port
33) Which ISDN channel carries voice, data or images?
a) A channel
b) B channel
c) C channel
d) D channel
34) If the NIC were replaced in a computer, which address will be changed?

a) The physical address of the station
b) MAC address of the station
c) The source address of the station
d) All of the above
35) Which organization divides the OSI link layer into MAC and LL sub-layer(s)?
a) IEEE
b) ANSI
c) ACM
d) ISO
36) Which networking device can make traffic forwarding decisions based on IP addressing?
a) Router
b) Bridge
c) Hub
d) MAU
37) A network that interconnects users with computer resources in a geographic area or region like university can be described as a
a) WAN
b) MAN
c) LAN
d) WLAN
38) MAU is the abbreviation for
a) Multistation access unit
b) Media attachment unit
c) All of the above
d) None of the above
39) What is the purpose of a repeater?
a) Connect one segment of LAN to another
b) Repeat bits
c) Regenerate electrical signals from one segment of cable to another
d) All of the above
40) What does the Address Resolution Protocol (ARP) do?
a) Obtains IP address
b) Maps Internet address to physical address
c) Registers domain
d) Resolves addressing issues
41) Which of the statements is/are true?
a) Routers look at network address not node address
b) Bridge tables use node addresses, not IP addresses
c) Repeaters do not have filter function, boost weak signal
d) All of the above are true
42) A hub is
a) A network component that centralizes circuit connection
b) Without a brain
c) Operates at Physical Layer of the OSI
d) All of the above

43) Which device cannot connect two different networks?
a) Repeater
b) Bridge
c) Router
d) Brouter
44) __________ provides a simple, connectionless, but error free, datagram delivery service for certain specialized application services that do not require the full services of TCP?
a) ARP
b) MAC
c) HUB
d) UDP
45) What is the network ID number reserved for loopback and diagnostic functions?
a) 128
b) 217
c) 127
d) 256
46) What kind of address does hosts must know from the other hosts to communicate on a network?
a) MAC
b) Hardware
c) Email
d) Software
47) What is the difference between hubs and switches?
a) hubs have a brain, switches have no brains
b) switches have a brain, hubs have no brain
c) there is no difference
d) hubs are no longer used
48) Which class IP addresses are used on networks that have large number of IP hosts?
a) Class A
b) Class B
c) Class C
d) Class D
49) What is responsible for obtaining hardware addresses of TCP/IP hosts by using its IP address?
a) Ethernet NIC
b) RARP
c) ARP
d) All of the above
50) What piece of hardware allows communication between different architectures and environments?
a) Gateways
b) Router
c) Bridge
d) Hub

51) Each node on a TCP/IP Internet is assigned a /an __________ Internet address.
a) 8-bit
b) 8 bytes
c) 32-bit
d) 32 bytes
52) Class B addresses might begin with a number of __________
a) 127
b) 101
c) 185
d) 286
53) What are stored in ARP cache?
a) IP address
b) Hardware address
c) Both of a and b
d) None of the above
54) Which one is not considered as Internetworking components?
a) Repeater
b) Hub
c) Gateway
d) ARP cache
55) ARP stands for:
a) American Resolution Protocol
b) Address Resolution Protocol
c) Advantage Resolution Practice
d) Acquired Resolution Protocol
56) All of the following are considered characteristics/jobs of a repeater except;
a) Passes information received to each connected segment
b) connects one segment of a LAN to another
c) Connects different types of media
d) Works on large LANs (100 nodes or more)
57) In order for other hosts to communicate on a Network, the Host must know their
______________ address.
a) Hardware
b) Soft ware
c) Physical
d) IP
58) Which of the following are all Routable Protocols?
a) DecNet IP, IPX, XNS
b) NetBEUI , DecLAT
c) IPX, XNS, DecNAT
d ) None of the above
59) MIB
a) Stands for Management Information Base
b) Is where information can be stored.
c) Stands for Men In Black

d) a & b
60) What must a Host know on a network?
a) Internet address of the other hosts to communicate on a network
b) The hardware address of other hosts to communicate on a network.
c) Computer addresses of the other hosts to communicate on a network.
d) Network address of the other hosts to communicate on a network.
61) What are the two issues to consider when internetworking?
a) As networks grow problems end and when cooperation separate, make acquisitions.
b) Management of the network become increasingly easy and division of a company want to keep secret the information, problems end.
c) Dividing a network into manageable pieces and the need to connect separate
networks.
d) Division of a network into unwieldy pieces and the need to arise to disconnect to separate networks.
62) How does filtering helps?
a) It reduces network traffic and isolates segments of the network.
b) It increases network traffic and isolates segments of the network.
c) It increases network traffic and unites segments of the network.
d) It reduces network traffic and unites segments of the network.
63) What are the disadvantages of a host?
a) If a host moves from one network to another its address must change.
b) The path taken by packets traveling to a host may be different with multiple addresses referring to the same host.
c) Both a and b.
d) None of the above.
64) What is a Switch?
a) A device that consists of many high-speed ports connecting either LAN segments
or individual devices on a port-by-port basis.
b) Set up on a permanent basis by the LEC or long distance carrier.
c) A device that separates LAN segments.
d) A device that operates with 56k modem.
65) The IP addresses have how many decimal integers that separated by decimal points. a) Two decimal b) Five decimal c) Four decimal d) One decimal
66) The IP address and hardware address are stored in which cache? a) ARP cache b) RARP c) PING d) UDP
67) T1 is the most widely used type of ________ at higher data speed. a) Analog line b) Digital line c) Both A and B

d) None of the above
68) __________ not only knows the address of each segment but also determines the best path for sending data and filtering broadcast traffic. a) Bridges b) Router c) Brouter d) None of the above
69) The information about the computer address is stored in the ________. a) WAN Bridges b) Bridges RAM c) d)
MAC Address
UPC
70) Which one of follow in is correct? a) Class A begins 1-195 b) Class B begins 128-191 c) Class C begins 192-256 d) None of the above
71) Which one of follow in is correct? a) T1 speed is 1.544Mpbs b) T3 speed is 44.736Mpbs c) Dial-up Service modem initialization, any-to-Any connectivity d) All of them are correct
72) ______ bridges, also called half-bridges, work together in pairs? a) Router b) LAN c) WAN d) None of the above
73) Switch has a brain. _______ Mbps switch or ______ Mbps switch a) 100100, 1000 b) 101110, 1000 c) 101010, 100 d) 10110, 100
74) The bridge uses this RAM to build a ________ based on the source address a) Routing table b) Network bridge c) IP Address d) None of the above
75) Which OSI Reference Model Layer is responsible for repackaging data bits into data frames? a) Presentation b) Physical c) Data Link d) Network
76) Which of the following devices can reduce traffic bottlenecks on a NETBEUI network? a) Router

b) Gateway c) Multiplexer d) Bridge e) Brouter
77) Which layer of the OSI Reference Model translates data formats? a) Network b) Application c) Presentation d) Session
78) Which of these hardware devices can be used to boost signal strength across a long cable
a) Amplifiers b) Repeaters c) Multiplexers d) Global Positioning Satellite
79) Which of the following is a transport protocol? a) NETBEUI b) SNMP c) IP d) IPX
80) What occurs when the number of network broadcast messages is greater then the amount of available network bandwith?
a) Attenuation b) Beaconing
c) Broadcast Storm d) Crosstalk