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当前位置:首页>>热门考试>>思科认证>>CCNA认证考试 (collected from Braindumps)(1) |
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CCNA认证考试 (collected from Braindumps)(1) |
| 来源:www.stu88.com 时间:2006-04-01 |
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The five steps of Encapsulation:
1) User information is converted to data.
2) Data is converted to segments.
3) Segments are converted to packets or datagrams.
4) Packets or datagrams are converted to frames.
5) Frames are converted to bits.
What kind of services are provided by the Presentation layer ?
JPEG, TIFF, PICT, EBCDIC to ASCII, MIDI, MPEG, QuickTime
What kind of services are provided by the Session layer ?
NFS, SQL, RPC, X Windows, ASP, DNA SCP
How to enable a Banner on a Cisco Router ?
Router(Config#) banner motd #
What are the three ways to display IPX interface e0 ?
sh ipx int e0
sh ipx interface e0
sh ipx interface ethernet0
What are the three ways to modify your running-configuration file ?
???
What s the default subnet mask for Class A, B and C IP adresses ?
Class A 255.0.0.0
Class B 255.255.0.0
Class C 255.255.255.0
Which IP-class provides the least number of Hosts?
Class C
How to define access-list commands ?
wrong: Router(config-if)# access-list 1 permit 172.16.20.1 0.0.0.0
right: Router(config) # access-list 1 permit 172.16.20.1 0.0.0.0
The access list will be defined at global level, not at the interface level. It’s a small but important detail. The access group command will be defined at interface level:
Router(config) # int e0
Router(config-if) # access-group 1 out
What are the access-list ranges of IP (standard and extended) ?
1-99 IP standard access list
100-199 IP extended access list
know also:
600-699 Appletalk access list
800-899 IPX standard access list
900-999 IPX extended access list
1000-1099 IPX SAP access list
What happens to a packet which receives the end of an access list ?
There is an implicit deny any at the end of an access list. So if the packet is not allowed, it will be dropped.
Which command is used to view the access-list on serial0 interface ?
show access-lists s0
How many access-lists are possible on an interface per protocol ?
There can be only one access list for in and one for out on each interface per protocol.
What is the FrameRelay configuration command for the second subinterface ?
interface s0.2 point-to-point
interface s0.2 multipoint
point-to-point is a direct link between two routers. multipoint is a router in the center as a star of virtual circuits.
How to change the Enable Secret password to CCNA ?
Router(config)# enable secret CCNA
How to change the Enable password to CCNP ?
Router(config)# enable password CCNP
How to change the Virtual Terminal password to CCIE ?
Router(config)# line vty 0 4
Router(config-line)# login
Router(config-line)# password CCIE
How to change the Auxiliary password to Cisco ?
Router(config)# line aux 0
Router(config-line)# login
Router(config-line)# password Cisco
How to change the Console password to Cisco ?
Router(config)# line con 0
Router(config-line)# login
Router(config-line)# password Cisco
What is the command to show you both source and destination DLCI s in one command ?
I m thinking it is show frame-relay route but I m not sure.
What is the command to show both source and destination addresses in ipx ?
debug ipx routing activity (not sure)
How are the ISDN protocols defined ?
I stands for concepts, terminology and services
E stands for existing telephone network
Q stands for switching and signaling
What are the correct encapsulation type of frame-relay ?
Cisco (default)
IETF
How to monitor Frame-relay activity on a Cisco router ?
show interface s0
show frame-relay map
Test Stats:
Questions: 70
Pass Score: 68%
Simulations: None (That I had)
Adaptive: No
Time: 90 Minutes
My results: 共7页: 1 [2] [3] [4] [5] [6] [7] 
下一篇：Ramesh，s Study Guide
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