发信人: gzbb2000(查十)
整理人: reynolds(2001-08-24 16:20:06), 站内信件
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*71.Which three basic switch functions increase available bandwidth on
the networks (Choose three )
A.loop avoidance
B.address learning
c.hop count limiting
D.broadcast filtering
E.packet forward/filtering
Answer:A,D,E
*72.What is an advantage of local area network (LAN) segmentation?
A.smaller collision domains
B.elimination of broadcasts
C.decreased cost of implementation
D.larger number of users within the same domain
Answer:A
*73.What was the key reason the International Organization for
Standardization released the OSI model?
A.users could access network servers faster
B.different vendor networks could work with each other
C.the industry could create a standard for how computers work
D.network administrators could increase the overall speed of their network
Answer:B
*74.Given the following descriptions of layers of the OSI model
I) This layer segments and reassembles data into a data stream
II) This layer manages device addressing tracks the location of
devices on the network and determines the best way to move data
III) This layer provides the physical transmission of the data and
handles error notification network topology and flow control.
Choose the statement that lists the layers in the order described above
A.physical data link network
B.physical session data link
C.data link network transport
D.data link transport network
E.transport network data link
F.transport data link network
Answer:E
75.Which three are typical operational phases in a basic connection
oriented neloyord service? (Choose three )
A.call setup
B.data transfer
c.load balancing
D.call termination
E.call priortization
F.data segmentation
G.data link identification
Answer:A,B,D
76.What are the two components of an IPX address?
A.network number IP address
B.MAC address node number
C.network number MAC address
D.network number arched number
Answer:C
77.Which statement is true when a broadcast is sent in an
Ethernet/802 3 ITAN?
A.The IP shored used is 255 255 255 0
B.The IP address used is 255 255 255 255
C.The MAC address used is 00 00 00 00 00 00
D.The MAC address used is FF FF FF FF FF FF
Answer:D
*78.Each department has its own file server and the company has an
enterprise server that is shared by all departments What does a
network administrator use to provide a secure separation between the
management and sales departments?
A.a bridge between management and sales
B.routers to provide the most secure segmentation
C.a hub to provide ease of management and a satisfactory alternative for
network security
D.an Ethernet switch to maintain secure separation through programming the
access lists for each port of the switch
Answer:B
79.Eight stations connected to separate 10 Mobs pods on a Layer 2
switch will give each station how many Mobs of bandwidth?
A.1.25
B.4
C.16
D.10
E.80
Answer:D
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