640-802 考试题库(1)

testinside

1. A network administrator must configure 200 switch ports to accept traffic from only the currently attached host devices. What would be the most efficient way to configure MAC-level security on all these ports?
) }( L5 ^0 ~0 lA. Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address command.
B. Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address command.
C. Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them.
; {) O& A- g0 D7 L5 m0 oD. Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security.
/ e( e6 e7 n1 e- ~1 C/ Z# aAnswer: C

2. Which two locations can be configured as a source for the IOS image in the boot system command? (Choose two.)
A. RAM
+ Q' \- ~6 W. T6 w8 }1 nB. NVRAM
. _6 ^: X9 m8 G6 B, k( X2 ]/ _; v) \C. flash memory
D. HTTP server
E. TFTP server
F. Telnet server
Answer: CE
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3. Which of the following IP addresses fall into the CIDR block of 115.64.4.0/22? (Choose three.)
( \9 h5 u& R0 S; ^A. 115.64.8.32
- T9 }9 B- ]2 C; {2 \9 gB. 115.64.7.64
" l# f  [9 W- q0 e# b3 ^C. 115.64.6.255
% F5 Y  T( j& y# ?/ vD. 115.64.3.255
5 _8 O; v" K1 x: zE. 115.64.5.128
4 }. J" V6 I2 h/ _3 P+ U% S& IF. 115.64.12.128
Answer: BCE

4. Refer to the exhibit. Which three statements are true about how router JAX will choose a path to the 10.1.3.0/24 network when different routing protocols are configured? (Choose three.)
5 V6 [$ L0 V5 V3 Z# hA. By default, if RIPv2 is the routing protocol, only the path JAX-ORL will be installed into the routing table.
& ]0 ~! r( }+ _3 Y, ^8 ?. G  l; |B. The equal cost paths JAX-CHI-ORL and JAX- NY-ORL will be installed in the routing table if RIPv2 is the routing protocol.
C. When EIGRP is the routing protocol, only the path JAX-ORL will be installed in the routing table by default.
" `9 A( _$ L* @; JD. When EIGRP is the routing protocol, the equal cost paths JAX-CHI-ORL, and JAX-NY-ORL will be installed in the routing table by default.
, N3 f9 X5 H( xE. With EIGRP and OSPF both running on the network with their default configurations, the EIGRP paths will be installed in the routing table.
F. The OSPF paths will be installed in the routing table, if EIGRP and OSPF are both running on the network with their default configurations.
8 S. @- E0 W) R/ NAnswer: ADE
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7 l8 z, ^  F) D% }2 k, P3 j5. Refer to the exhibit. Which two statements are true about the loopback address that is configured on RouterB? (Choose two.)
A. It ensures that data will be forwarded by RouterB.
B. It provides stability for the OSPF process on RouterB.
4 |$ l7 Y! G% e, f, @C. It specifies that the router ID for RouterB should be 10.0.0.1.
D. It decreases the metric for routes that are advertised from RouterB.
E. It indicates that RouterB should be elected the DR for the LAN.
' ?; j. x" k2 r* I, m3 U. uAnswer: BC

$ Z; I! m. u1 S) c640-802

winout

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百孔千疮12

百孔千疮12