各位大大帮忙解释一下几道题
Part of the configurations files for routers testking1 and testking2 are displayed below:
hostname testking1 hostname testking2
!!
username testking2 password king username testking1 password king
!!
interface s0 interface s0
ip address 12.3.6.2 255.255.0.0 ip address 12.3.6.3 255.255.0.0
encapsulation ppp encapsulation ppp
clockrate 56000 ppp authentication chap
If you were to enter the "show int s0"command on router testking1,which of the following will be displayed?(choose two)
A.Serial 0 is down, line protocol is down
B.Serial 0 is up, line protocol is up
C.Open:IPCP,CDPCP
D.LCP closed
E.LCP open
TK给出的答案是B,E。想请教一下各位大大为什么C不正确呢？
The Hub and Spoke routers are directly connected through their serial interfaces for purpose of testing.Based on the output shown inthe exhibit,what must be done to make the serial
line operational?
stllab-8510>sh bootflash
-#- ED --type-- --crc-- --seek-- nlen --length-- --------date/time-------- name
1 .. unkown 9da13da5 3576ac 31 3241516 Aug 22 1998 08:30:22 c318510c-ln
2 .d unkown 8cde134f 453ba3 22 2494584 Jul 20 1997 09:33:02 c318510b-ln
A.Replace the broken cable between the two devices
B.Use the no shutdown command on the Hub router
C.Change the IP address on the Spoke router
D.Configure the serial 0/0 interface on the Spoke router with a clockrate
E.Start the clock on the Hub router
TK给出的答案是D，这题我完全不懂该怎么做。希望有好心人帮忙解答一下。
