发信人: gzbb2000(查十)
整理人: reynolds(2001-08-24 16:19:29), 站内信件
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*41. Which statement about the flow control function of TCP is true?
A.TCP makes no snarl to check for lost or duplicate data packets
B.The application layer must sequence data packets when using TCP
C.TCP controls the flow of UDP data through negative acknowledgments (NAK)
D.TCP is a connection oriented protocol that acknowledges receipt of data
packets and is considered reliable
Answer:D
*42. Company XYZ has an employee that works out of the home The
employee runs big client server applications and must quickly transfer
large files The company wants the best cost/benefit on this connection
What would be the most practical solution?
A.an ISDN Basic Rate Interface (BRI) connection to the user a home
B.a dedicated T1 connection to the user a home
C.a dedicated Frame Relay connection to the user a home
D.a standard 28.8 analog dialup connection to the user a home
Answer:A
43.Which show command should you use to view Frame Relay Local
Management Interface (LMI) Frame statistics?
A.show lmi
B.show ip route
C.show interface
D.show statistics
E.show frame-relay lmi
Answer:E
44.What is the bandwidth capacity of one ISDN B channel?
A.64 kbps
B.128 kbps
C.512 kbps
D.1.54 mkbps
Answer:A
45.Which statement about the data link connection identifier (DLCI) is
true?
A.It is a number that identifies a local virtual circuit in a Frame Relay network
B.It is a signaling standard between the CIDE device and the Frame Relay
switch
C.It is the clock speed (pod speed) of the connection (local loop) to the Frame
Relay cloud
D.It is the maximum number of uncommitted bits that the Frame Relay switch
will attempt to transfer beyond the Committed Information Rate (CIP)
Answer:A
46.Which three tasks are required to confound a dial on demand
routing (DDR) Basic Rate Interface (BRI) connection? (Choose three )
A.define static routes
B.confound the abler information
C.specify interesting franc that can enable the link
D.define a DDR password to exchange when the link comes up
Answer:A,B,C
47.Which three statements about Frame Relay configurations using
subinterfaces are true? (Choose three )
A.Each subinterface is conferred either multipoint or point to point
B.Any network address must be removed from the physical interface
C.The configuration of subinterfaces is done in router (config-if)# mode
D.Frame Relay encapsulation must be conferred on each subinterfaces
Answer:A,B,C
48.Which command specifies a second subinterface on serial interface
0?
A.interface s 0.2 point-to-point
B.interface 2 s.0 point-to-point
C.subinterface 2.s 0 point-to-point
D.interface s 0 sub 2 point-to-point
E.interface s 0.1 point-to-point sub 2
Answer:A
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