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[CCNA] 思科认证CCNA考试的几点建议

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发表于 2012-8-3 20:28:11 | 显示全部楼层 |阅读模式
要想通过思科认证CCNA考试,条件之一是英语一定要好;其次,对OSI参考模型,TCP/IP模型有很好的掌握;第三,使用过CISCO的低端路由器;第四,对交换机的运作功能有一些基础。
- q- ~/ u  `. K9 @6 l% K' m下面是关于思科认证CCNA的一些考试例题,供参考。
& b9 v4 \' b+ |A.CCNA Certification Exam Objective  s$ k% Y4 J# H& N/ ?3 i
The CCNA (640-407)exam will consist of a combination of the following objective
( [$ J6 A+ @$ d& \" d5 N: w3 r1.Identify and describe the functions of each of the seven layers of the OSI reference model. n! s( [; _1 G
2.Describe connection-oriented network service and connectionless network service ,and identif the key differences between them.6 G+ u: `; K4 A% `" L: ]# U( G
3.Describe data link addresses and network addresses,and identify the key differences between them
6 A9 z; W6 L7 |0 [% q4.Define and describe the function of a MAC address.5 o5 Q! M+ Y, n  h, T
5.Define flow control and describe the three basic metthods used in netwoeking9 T5 u1 d3 b5 y% H* t, d. J2 d
6.Differentiate between the following WAN services:frame relay,isdn/lapd,hdlc,%26amp;ppp& E2 X  E0 V& g4 o) ^
7.Log into a router in both user and privileged modes' k( _  \4 `/ P& F9 J; z+ E. r: h
8.Use the context-sensitive help facility
7 a2 C) v5 _; H' M) Z- _6 f9.Use the command history and editing features
7 Z, T' B2 k* L; X9 n0 P: Q3 T% D. \8 J10.Examine router elements(RAM,ROM,CDP,show)
# i9 k& ^. d# [- a$ P; D* ]. I! f11.Manage configuration files from the privileged exec mode, X2 D3 K5 }( m" W- N6 T
12.Control router passwords,identification and banner* F$ ]- f. i/ @% e  M0 L4 f
13.Identify the main cisco IOS commands for router startup
3 L- T( Q( R! ~. G14.Check an initial configuration using the setup command+ f  p3 N& c2 s! k

  R1 I) M( X: m- v15.Copy and manipulate configuration files
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 楼主| 发表于 2012-8-3 20:28:12 | 显示全部楼层

思科认证CCNA考试的几点建议

</p>16.List the commands to load cisco IOS software from:flash memory,a tftp server,or ROM* Z* H- q9 A9 H/ T% l
17.Prepare to backup,upgrade,and load a backup Cisco IOS software image; A, S. i; _# D; m4 A# U
18.List the key internetworking functions of the OSI network layer and how they are performed in a router% n4 B! F/ a: t) c8 c6 b
19.Describe the two parts of network addressing,then identify the parts in specific protocl address examples7 s7 A# s6 a! r; j
20.List problems that each routing type encounters when dealing with topology changes and describe techniques to reduce the number of theseproblems
* j1 h9 ~+ u" y5 x; D" i21.Explain the services of separate and integrated multiprotocol routing2 r: f0 s! {+ v, D4 e0 E
22.Describe the different classes of IP address5 v' e) q4 n, y1 w& F
23.Configure IP address4 p4 b4 G% [- t9 h% H! U
24.Verify IP address! C' H" S! o, Q: x- v2 O
25.Prepare the initial configuration of your router and enable ip2 c* K* L5 E! t# f) m1 ]
26.Add the RIP routing protocol to your configuration8 n/ e0 j3 N/ X, \
27.Add the IGRP routing protocol to your configuration
  c9 _) u  j5 F- C7 @28.List the required IPX address and encapsulation type
/ {5 y4 D0 D/ [/ A: s! o# ~8 ?. \29.Enable the Novell IPX protocol and configure interfaces
8 \2 A- Q: _  G8 n( k30.Monitor Novell IPX operation on the router
( Z) j, B) @9 R) I31.Recognize key frame relay terms and features
) m* a: |1 u9 c5 A! {2 ~32.List commands to configure frame relay LMIs,maps,and subinterfaces
5 w9 g9 |2 A' D9 s' e8 `33.List commands to monitor frame relay operation in the router- K' o' R4 U+ ?5 d& I
34.Identify PPP operations to encapsulate WAN data on cisco routers; ^) Z( h1 L0 E) Y
35.Configure standard access lists to figure IP traffic
" H; c9 q. k7 J! D/ z; p36.Monitor and verify selected access list operations on the router
0 d- c3 m/ j8 B. r37.State a relevant use and context for isdn networking
" C6 x* V3 ^4 E' C) m* ]38.Identify isdn protocols,function groups,reference points,and channels
4 f0 B7 ?1 X, d( F0 D# k39.Describe cisco's implementation of isdn bri' ?6 T, A! w" `& J& C
40.Describe the advantages of LAN segmentation
: F1 k$ _' h+ N! Y, Y41.Describe LAN segmentation using bridges$ C2 @, h6 z: T( F
) D. Z, `0 M6 I5 E2 i% {9 x
42.Describe LAN segmentation using routers
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 楼主| 发表于 2012-8-3 20:28:13 | 显示全部楼层

思科认证CCNA考试的几点建议

</p>43.Describe LAN segmentation using switches
% G" f; m: Q. \  i! S; B. o  R# u7 A44.Name and describe two switching methods
" e) J1 y3 l, H( t1 x4 n45.Describe full and half duplex Ethernet operation
- e" i7 e3 U1 I8 u46.Identify at least 3 reasons why the industry uses a layered model
9 P( c1 d( e1 l) ^+ i: C  H47.Identify the functions of each layer of the ISO/OSI refernce model8 q0 E/ S- |9 Y$ h0 z8 t
48.Define and explain the 5 conversion steps of data encapsulation) M0 q! w( P, H' S
49.Identify the functions of the TCP/IP transport-layer protocols
) P7 \1 x& W/ i3 Q6 n/ Z; D50.Identify the functions of the TCP/IP network-layer protocols3 d6 m+ _9 c7 y
51.Identify the functions performed by ICMP3 P* Q3 O5 D2 T8 g0 Q
52.Configure extended access lists to filter IP traffic
5 f/ P+ j. u4 |) ?7 ~" Y; ?53.Configure IPX access lists and SAP filters to control basic Novell traffic+ H$ J5 A. n) `/ S, R1 R
54.Monitor and verify selected access list operations on the router# c# k! V* a6 n8 b# }2 ?
55.Describe network congestion problem in ethernet networks
1 W: J: K( u1 z( _7 ?56.Describe the benefits of network segmentation with bridges
* I" X' t( ^% b/ `; U57.Describe the benefits of network segmentation with routers
4 T- k! a# \- f0 `7 B' W# Z1 j( L58.Describe the benefits of network segmentation with switches9 K3 t! `  i% |0 s4 ?
59.Describe the features and benefits of fast ethernet
  q( {9 T- z3 S7 f60.Describe the guidelines and distance limitations of fast ethernet# \" m" _/ K9 v& p5 i. z1 h6 i+ g
61.Distinguish between cut-through and store-and-forward Lan switching: k1 r1 a. A' ]" }+ i, m
62.Describe the operation of the spanning tree protocol and its benefits$ R5 `8 w: X, d3 i: S
63.Describe the benefits of virtual LANs$ f  g6 R% t2 \7 t3 `
希望以上关于思科认证CCNA的一些建议对你有所帮助!
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