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Home > Archive > CCNP > July 2003 > 642-821questions....... answer pls.....
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642-821questions....... answer pls.....
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| ciscocrazy 2003-07-26, 7:27 am |
| 4. under which circumstance would use of kerberos authentication system be required, instead of tacacs+ or radius
a. authentication, authorization and accounting ned to use a single data base
b. multiple level of authorization need to be applied to various router commands
c. DES encrypted authentication is required
d. the usauge of various router funtions to be accounted for by user name
ans c????
5. when the following configuration is present on the router, how many addresss will be available for dynamic nat translation?
ip nat pool test 192.168.1.33 192.168.1.42 netmask 255.255.255.224
ip nat inside source list 7 pool test
a.7 b.9 c. 10. d. 31
ans: c ???
6. Which two statements about frame relay subinterface configurations are true? choose two
a. any ip address must be removed from the subinterface
b. subiterface is configured either multipoint or point to point
c. the physical interface and subinterface can each be configured with ip address
d. the configuration must be added to the d channel
ans b, c ????
7.Which physical factors can reduce the maximum speed available on a dsl connection? (choose two)
a. lack of loading coils and subscriber's line
b.distance from the CPE to the DSLAM
c. Gauge of wire used on the local loop
d.number of telephone attached to the local loop
e. lack of bridge taps in the local loop
8. A network admin would like to use an existing isdn line as a backup for a frame relay line connected on interface serial0. which statement is correct on the following configuration of the router?
interface serial0
ip address 192.168.10.1 255.255.255.0
backup interface bri0
backup delay 5 10
inteface brio
ip address 192.168.11.2 255.255.255.0
dialer idle-timeout 900
dialer-group 1
dialer-group 1 protocol ip permit
A. ISDN bri line will be in standby mode after 900 seconds once the serial interface activates again
B. ISDN BRI line will be in standby mode after 10 second once the serial interface activates again
c.ISDN BRi line will be in standby mode after 10 seconds but will be in standby mode after 900 seconds once the serial interface activates again
d.ISDN BRi line will be in standby mode after 10 seconds but will be in up/ip mode after 900 seconds once the serial interface activates again | |
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| I think that these are some answers:
5C
6AB
7BC | |
| nnphong 2003-07-28, 6:30 am |
| 4. c:
In fact, this is my guest only. I consider [a, b, d] can be true for TACACS+ and/or RADIUS
5: c
6: b, c
Simply I think [a, d] are not correct. Anyhow, still confuse with c.
7: b, c
[b, c] are most clear answer. Loading coils (a) and bridge taps (e) are not allowed in DSL environment. [d] makes no sense.
8: b.
Im not sure which software module gets higher priority to control bri0 interface, backup (software) module or dialer (software) module. I guest that both of them run parallel and take control whatever come sooner. So [b] maybe the answer since [a] is not correct, [c&d] have no meaning if bri0 is in standby mode already.
Please give some comments.
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