发信人: gzbb2000(查十)
整理人: reynolds(2001-08-24 16:19:56), 站内信件
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*61.How does inter- VLAN communication take place?
A.It takes place through any Cisco router
B.It takes place through a Cisco router that can run ISL
C.It takes place through a router but this disables all the router a security and
filtering functionality for the VLANS
D.For nonroutable protocols (e.g. NetBeui) the router provides
communications between VLAN domains
E.Inter-VLAN communication is not possible because each VLAN is a separate
broadcast domain
Answer:B
*62.Which technology is used by Catalyst switches to resolve topology
loops and ensure data flows properly through a single network path?
A.virtual LANS (VLANS)
B.frame filtering
C.cut through switching
D.Spanning-Tree Protocol
Answer:D
63.Which two statements about IP RIP are true? (Choose two )
A.It limits hop counts to 31
B.It is a link state routing protocol
c.It uses autonomous system numbers
D.It is capable of load sharing over multiple paths
E.It uses bandwidth as the metric for path selection
F.It broadcasts updates every 30 seconds by default
Answer:D,F
64.What are two purposes for segmenting a network with a bridge?
(Choose two )
A.to reduce collisions
B.to increase collisions
c.to add collision domains
D.to reduce collision domains
E.to have more broadcast domains
Answer:A,C
65.What is the protocol and what is the purpose of the following
address?
238 255 255 255
A.IPX a SAP broadcast
B.IP a multicast group
C.IP a reserved address
D.IP a directed broadcast
E.IPX a flooded broadcast
Answer:D
66.Which of the following are true?
A.The default is to send debug output to the console screen.
B.To view debug output from a telnet session, the "terminal monitor"
command must be used.
C.If the "logging buffered" command is used, the debug output would be sent
to RAM and can
viewed with the "show log" command
D.If the "no console logging" command were configured, output would be
sent to a telnet ses
E.All of the above
Answer: E
67.What is the maximum number of subnets that can be assigned to
networks when using the address 172.16.0.0 with a subnet mask of
255.255.240.0? (Assume older version UNIX workstations are in use.)
A.16
B.32
C.30
D.14
E.It is an invalid subnet mask for the Network.
Answer: D
68.How many total hosts are possible with a Class C address and a
subnet mask of 255.255.255.252?
A.4
B.30
C.60
D.62
E.124
Answer: E
69.Which of the following are true regarding passwords on a Cisco
router?
A.All passwords can be encrypted.
B.All passwords can be entered using the set-up dialogue.
C.A password can be set before a user can enter the privileged mode.
D.A password can be set for individual lines.
E.TACACS or Radius password authentication can be used.
Answer: A,C,D,E
70.Which of the following are true of standard half-duplex Ethernet
circuitry?
A.It is alternate one-way communication.
B.The receive (RX) is wired directly to the transmit (TX) of the remote station.
C.The transmit (TX) is wired directly to the receive (RX) of the remote station.
D.Collisions are not possible.
E.Both stations can transmit simultaneously.
Answer: A
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