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question i got...for u all...
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| hi people
this is helan
i plan to go for this ccda...
i just finish my ccna exam few days ago..
i got this new question i believed could be
from the actual exams....
but no answers....
anyone can post their answers and opinion...
we study this together shall we?
1. How long did the Hundred Years War last?
2. What are the 3 transmission types?
3. At what layer do WAN protocols function?
4. What are WAN categories?
5. Point-to-point WAN lines are also called..?
6. True/False: In Circuit switching two different packets of the same session
may take two different paths to get from point A to Point B?
7. Give an example of Circuit switching.
8. What is the switching method in which network devices share a single point-to-point link
to transport packets from source to destination across a carrier network?
9. What is the principle that is used in sharing circuits in packet switching?
10. ATM ,Frame Relay , SMDS and X.25 are examples of what kind of switching?
11. How many kinds of virtual WAN circuits?
12. Communication over Switched VC consists of 3 phases. What are they?
13. How many kinds of Wan dial-up services?
14. What is the name of device that provides timing for communication between devices
in WAN environment?
15. ISDN Terminal Adapter is also called..?
16. Defining the type of WAN, specifications and options is called..?
17. MAC address that is also called ----------, consists of 6 bytes=12 hexadecimal digits.
The first 3 bytes are assigned by----?
18. True/False:A device connected to a switch or bridge will not hear any of the informationmeant just for devices
on other ports of the switch.
19. True / False?
It is impossible for a bridge to move AppleTalk, Decnet, TCP/IP and XNS
and other traffic between two or more networks.
20. True/False: Bridges and switches extend the effective length of LANs.
21. Transparent Bridging
Source-Route bridging
Translational bridging
Encapsulating bridging
Source-route transparent bridging
Source-route translational bridging
Out of the bridging protocols above,
which one is:found primarily in Ethernet environment?
22. Transparent Bridging
Source-Route bridging
Translational bridging
Encapsulating bridging
Source-route transparent bridging
Source-route translational bridging
Out of the bridging protocols above,
which one is:found primarily in Token Ring environment?
23. Transparent Bridging
Source-Route bridging
Translational bridging
Encapsulating bridging
Source-route transparent bridging
Source-route translational bridging
Out of the bridging protocols above,
which one translates from Ethernet to Token Ring bridging?
24. Transparent Bridging
Source-Route bridging
Translational bridging
Encapsulating bridging
Source-route transparent bridging
Source-route translational bridging
Out of the bridging protocols above,
which one allows packet to cross a bridged backbone network?
25. Transparent Bridging
Source-Route bridging
Translational bridging
Encapsulating bridging
Source-route transparent bridging
Source-route translational bridging
Out of the bridging protocols above,
which one allows a bridge to function as both a
source-routing and transparent bridge?
26. Transparent Bridging
Source-Route bridging
Translational bridging
Encapsulating bridging
Source-route transparent bridging
Source-route translational bridging
Out of the bridging protocols above,
which one allows a bridge to function as both
a source route and transparent bridge, and to bridge between the two?
27. What is the specification for Spanning Tree and what does it state?
28. True/False:Switches switch in hardware, whereas bridges switch in software.
29. True /False:Bridges and switches can switch unlike bandwidth.
30. True/False:Bridges support store-and-forward switching,
whereas some switches support store-and-forward and cut-through switching.
31. True/False:A device connected to a router will not hear any of the
information meant just for devices on other ports.
32. True/False:A device connected to a router will hear all the information from devices
on other ports that was meant for everyone.
33. Some routing algorithms assume that the source end-node will determine the entire route.
This terminology is called:?
34. True/False: Autonomous systems exist in Flat and Hierarchical routing.
35. Which of the following statement are correct:
TCP and UDP are both transport layer protocols/TCP and UDP both use ports
36. What does the port number in TCP and UDP identify?
37. What is the use of port number in tcp/udp segment.
38. What are the TCP/IP protocols that work in Network layer?
39. What are the TCP/IP protocols that work in Application layer?
40. What is the name of the protocol that enables Internet applications to obtain
special qualities of service questions QoS for their data flows?
41. True/False: RSVP is a routing protocol that works in Application layer.
42. Choose the right answer: In RSVP, a data flow is a sequence of messages that have:
A: the same source and the same destination address
B: the same source but different destination address
C: different source but the same destination address
D: different source and different destination address
43. A ---- ------ often guarantees how the internetwork will handle some of its host traffic?
44. What are the traffic types supported by RSVP?
45. Match the followings:
Rate-sensitive RSVP Delay-Sensitive RSVP
Gives up rate to guarantee timeliness Gives up timeliness for guaranteed rate
example: video-conferencing example: MPEG video
46. True/False: Netware runs on any layer 2 protocol and any kind of computer system.
47. Services provided in which Netware protocol includes file access, printer access
name management and security?
48. True/false: IPX address consists of :
Network address 4 bytes = that is assigned by the administrator and
Node address6 bytes = which usually is the MAC address.
49. What are the SAP identifiers for file server and print server?
50. What does IPX RIP use to make best-path routing decision?
51. Describe Tick in IPX RIP.
52. True / False:NLSP supports Hierarchical routing with area,
domain and global internetwork components.
53. What are the four main media-access implementations of AppleTalk?
54. True/false: An AppleTalk Zone consists of a physically contiguous nodes or networks.
55. What AppleTalk protocols work are network layer?
56. What AppleTalk protocols work at Transport layer?
57. What AppleTalk protocols work are session layer?
58. At what layer does AFP work and what does it do?
59. What does AppleTalk address 10.1.50 mean?
60. At what layer of OSI model does SNMP function?
61. What is the difference between SNMP Version 1 & version 2?
62. What are the 4 SNMP commands?
63. SNMP Version 1 has four protocols: get, getNext, set and trap.
What are the 2 protocols that SNMP version 2 has in addition to SNMP Version 1?
64. True/False:
By integration of layers 2 & 3, users will:
1- need less equipment to purchase, maintain and support
2- be able to apply layer 3 services, such as QoS and security to specific individual users and applications.
65. The decision to use Layer 2 or Layer 3 functionality depends on what problems the the user may have?
66. The effect of Media problems, like excessive collisions in Ethernet and long waits for Token and FDDI is:?
67. Designing solution to customers' problem, we
use switch if the problem is ....?
use router if the problem is ....?
use FastEthernet switching if the problem is..?
68. What are the components of Gathering Administrative Data?
69. Asking a client if there are any financial constraints, fall into which step of Gathering Administrative Data?
70. Researching customer's industry and competition, future 1 year and 5 year pans,
falls into which step of Gathering Administrative data?
71. Gathering Technical Data includes:?
72. True /false: in a healthy network,
Output queue drops should be less than 100/hour in any router
Input queue drops should be less than 50/hour in any router
Buffer misses should be less than 25/hour in any router
ignored packets should be less than 10/hour on any INTERFACE
73. What is the name of the Cisco tool that analyzes interface statistics,
IP/IPX accounting data and enterprise RMON information
to provide an observed performance snapshot of the current network?
74. What is the name of Cisco's tool for switching traffic management that enables
full-time monitoring of network traffic and collection of detailed statistics?
75. True/false:
NetFlow uses RMON to collect network information and statistics.
76. Cisco routers are considered over-utilized if the 5-minutes CPU utilization is more than...?
77. What is the name of the Cisco tool that is a set of SNMP-based tools for characterizing a
customer's network, monitors the status of the devices, maintains configuration and troubleshoots problems?
78. True/ False:
Traffic that does not have a source and destination on the local network segment is considered nonlocal and
may cause a bottleneck on the network.
79. What is the tool used to identify potential network bottlenecks?
80. True/False:
to calculate the Network Average Utilization, add each hourly average and divide by the number of hourly
averages.
81. True/false:
To calculate the average frame size, divide the total number of MB transferred on the network by the number of
hours.
82. True/false:
to calculate
CRC error rate, divide the total number of CRC errors by total MB
MAC layer errors, divide the total by the total number of frames
Broadcast/Multicast rate, divide the total number by total number of frames.
83. With total number of CRC errors=2 and total MB transferred=500, what is the CRC error rate?
84. With a total MB transferred of 500 MB and total number of frames= 500,000
what is the average frame size?
85. MAC layer errors in Ethernet environment are caused by...?
86. What IOS commands help you to characterize the status of the major routers?
87. On a healthy network, you should see the shared Ethernet segment utilization to be less than ..?
88. On a healthy network, you should see the shared Token Ring segment utilization to be less than ..?
89. On a healthy network, you should see the WAN link utilization to be less than ..?
90. On a healthy network, you should see the response time generally to be less than ...?
91. On a healthy network, you should see the percent of broadcast/Multicast to be less than...?
92. On a healthy network, you should see the number of CRC to be less than..?
93. On a healthy network, you should see the percent of collisions to be less than ..?
94. On a healthy Token Ring network, you should see the percent of the packets with soft errors to be less than..?
95. True/ False:
In a healthy FDDI network, there should be no more than one ring operation per hour not related to ring insertion.
96. What is a Clear Channel?
97. What are the steps in determining a customer's network requirements?
98. Identifying customers constraints, what does it include?
99. Identifying security requirements, what does it include?
100. Determining application requirements, what does it include?
101. Characterize new network traffic, what does it include?
102. Identify performance requirements, what does it include?
103. Based on the discovery of Cisco's technical marketing group
What is the relationship of broadcast and the load of CPU?, for
100 broadcasts per second
1300 broadcasts per second
3000 broadcasts per second
104. What is maximum number of workstations recommended for single LAN or VLAN in an IP network?
105. What is maximum number of workstations recommended for single LAN or VLAN in an IPX network?
106. What is maximum number of workstations recommended for single LAN or VLAN in an AppleTalk network?
107. What is maximum number of workstations recommended for single LAN or VLAN in a NetBios network?
108. What is maximum number of workstations recommended for single LAN or VLAN in a mixed network?
109. True/False:
Using a frame size that is the maximum supported for the medium has a significant positive impact on network
performance.
110. True/False:
In FDDI environment, increasing the MTU to large than the maximum has positive impact on the network.
111. True/False:
All IP implementations defaults to a configuration that MTU discovery is enabled.
112. What is MTU discovery?
113. Which transport protocol does not offer windowing and flow control?
114. What applications run on top of TCP? (4)
115. Which applications run on top of UDP? (6)
116. True/False:
ATM is a connectionless protocol.
117. Sort the following objects based on the approximate size transferred over the network.
Document still image database computer screen
Spreadsheet e-mail message Multimedia object
118. Sort the following protocols based on their overhead in bytes:
IP IPX TCP DDP Ethernet FDDI with 802.2
802.3 with 802.2 802.5 with 802.2 HDLC
119. An AppleTalk station that has already been on a network, how many times does it try to verify that the
network address that it has is still valid?
120. True/false:
Because DHCP is a chatty protocol with bigger packet sizes, to preserve bandwidth, static ip is always
recommended.
121. IPX obtains its 48 bit node number from a router interface that has a MAC address.
How is this done with serial ports that do not have a MAC address?
122. Name the 3 network topology models.
123. Which model enables you to design internetworks in layers?
124. What are the benefits of Hierarchical model?
125. Which topology model is modular in nature and enables appropriate use of bandwidth within each layer?
126. Which topology model helps you reduce the wasted capacity?
127. What are the layers of Hierarchical design?
128. True/false:
In Hierarchical model, layers must be implemented as distinct physical entities.
129. What are the characteristics of Core layer?
130. True/false:
When speaking of Hierarchical design, core layer, the consistency of diameter means the geographical distance of
one node to another node across the backbone.
131. True/false,
Adding routers and clients to the Distribution layer will increase the diameter of the network.
132. The demarcation between core layer and access layer is called..?
133. Which topology model layer is characterized by switched and shared bandwidth LANs in a campus
environment?
134. Which layer of Hierarchical network design provides access for remote sites into corporate network using
ISDN, FR or leased line?
135. Departmental or workgroup access is the role of which Hierarchical model layer?
136. Security and routing between VLAN is the role of which layer of Hierarchical model?
137. Enforcement of Policy and redistribution of routing domain is the role of which layer of Hierarchical model?
138. True/false:
Hierarchical model can be implemented using routers and switches.
139. What are the 4 types of redundancy?
140. Considering workstation-to-router redundancy, what are the possible ways for a workstation to discover the
address of a router on its network segment?
141. RDP is an extension of which protocol?
142. If Internet had not adapted route summarization (supernetting) by standardizing on -----------, it would not have
survived.
143. True/False:
If an IPX client loses its connection to the server, it can automatically find the router to the server.
144. True/False
AppleTalk workstations remember the address of the router that sent the last RMTP packet.
145. How does HSRP function?
146. True/false:
the 'phantom router' of HSRP has its own IP and MAC address.
147. What is the difference between disk mirroring and disk duplexing?
148. What is the command to load balance IPX and AppleTalk routes?
149. In IP environment, what is the number of default routes that can be load-balanced? What is the maximum?
150. Under what condition will more than one route be chosen for load-balancing?
151. In igrp and eigrp environment, load balancing can be done even if the cost of the routes are not the same,
what is this feature called?
152. Speaking of load-balancing, what is the difference between process switching and fast switching?
153. In a full mesh topology with 6 routers, what is the number of links?
154. What is the recommended maximum percent of broadcasts in a network?
155. True/False:
If many desktop protocols send packets to find services, installation of routers instead of switches is a wise
decision.
156. Which layer provides policy based connectivity?
157. which layer provides optimal transport between sites?
158. Which layer provides workgroup access to the internetwork?
159. True/False:
HSRP functions in IP, IPX and AppleTalk environment.
160. What is the relationship of IGMP and CGMP?
161. The decision to use an internetworking device depends on which problem you are trying to solve. What are
the possible problems and which device solves it?
162. Collision domain is also called..?
163. True/False:
Everything associated with one PORT on a switch are in the same collision (bandwidth) domain.
Everything associated with one PORT on a router are in the same broadcast domain.
164. True/False:
Devices in the same collision domain are also in the same broadcast domain, however, devices in the same
broadcast domain may be in different collision domains.
165. True/False,
Routers forward directed broadcasts.
166. At what percentage of network utilization should segmenting of an ethernet network should be investigated?
167. At what percentage of network utilization should segmenting of a Token ring or FDDI network should be
investigated?
168. In Ethernet, the round trip propagation delay in one collision domain must not exceed 512 bit times,
how long is this in 10 Mbps?
how long is this in 100 Mbps?
169. What happens when the round-trip delay exceeds the maximum for the media? (51.2 microseconds for 10mbps
and 5.12 microseconds for 100mbps)
170. What is the permissible length of the cable illustrated below?
UTP Repeater
-----------------------| || || || || ||-----------------------------
100 m UTP ? m UTP
171. What is the permissible length of the cable illustrated below?
Two Class II UTP Repeaters
---------------------| || || || || |-----------------| || || || ||--------------
100 m UTP 5 m UTP ?m UTP
172. What is the permissible length of the cable illustrated below?
UTP/fiber Repeater
-----------------------| || || || || |--------------
100 m UTP ? m Fiber
173. What is the permissible length of the cable illustrated below?
Fiber Repeater
-----------------------| || || || || |--------------------------
160 m fiber ? m fiber
174. True/False:
The FDDI specification specifies the maximum segment length and network diameter.
175. ATM provides a high bandwidth ------layer?
176. What is IDB?
177. What is the current IDB limit per router?
178. Each physical interface uses one IDB and each configured sub-interface also uses one IDB.
Thus, A frame-relay with 10 configured sub-interfaces uses----- IDBs?
179. Each configured channel on a channelized interface uses one IDB.
A T1 line with 24 configured channels uses ----- IDBs.
180. Sub-interfaces use IDB, but frame relay PVCs may not use sub-interfaces. A FR with 10 PVCs that does not
use any sub-interface, uses one IDB.
How many IDBs are used by a FR with 10 PVCs that uses 2 sub-interfaces?
181. If a Frame Relay site has 10 access points, each requiring 32 kbps CIR, how much bandwidth do you need and
how many DLCI?
182. What is traffic shaping?
183. The frame-relay Traffic Shaping feature has additional capabilities to improve capability and performance of
FR, what are they?
184. True/False:
In Frame Relay Traffic Shaping, it is possible to preallocate bandwidth to each VC, creating a virtual time-division
multiplexing network.
185. True/False:
In Frame Relay traffic Shaping, BECN support based on per VC means that the sending router can adjust its
speed dynamically for every VC based on the BECN-tagged packets received from the network.
186. True/False:
The Frame Relay Traffic Shaping capabilities applies to PVCs only.
187. True/False:
Custom queuing and rate enforcement capabilities enable frame relay VC to be configured to carry multiple traffic
types (IP,IPX,SNA) with bandwidth guaranteed for each traffic type.
188. What is ForeSight?
189. What is the difference between BECN and foreSight?
190. Describe CLASSFUL routing protocols:
191. when receiving information about routes in a different major network, host and routers running CLASS?????
routing protocol calculate the prefix length by looking at the first few bits of the address to determine its class.
192. Link-state protocols send small updates -------, distance-vector protocols send large updates to ----?
193. True/False: Link-state routing protocols flood routing information to all nodes in the internetwork. Each
router, however, sends only the portion of the routing table that describes the state of its own links.
194. Hybrid or advanced routing protocols send small update to ----?
195. True/False:
It is a good security measure not to use routing protocols on the interfaces that connects to the Internet.
196. True/false:
RIP and IGRP always summarize routing information by major network numbers.
197. True/false:
Because distance vector protocols are classful, they do not support VLSM and discontiguous subjects are not
visible to each other.
198. True/False:
RIP Version 2 allows discontiguous subnets, but does not allow VLSM.
199. True/False,
RTMP and IPX RIP are enabled by default on any interface configured with an AppleTalk or IPX network
number.
200. True/False,
Routes are removed from the table if they haven't been refreshed within 3 times the update interval.
201. True /False,
AS is a collection of networks under a common administration.
202. True/False,
IGRP, like RIP uses only hop count for routing decision.
203. True/False,
RTMP is a distance vector protocol and is responsible for establishing and maintaining routing tables, while the
ZIP (Zone Information Protocol) maintains network number-to-zone mapping.
204. True/False
RTMP has a default update timer of 10 seconds.
205. true/False:
Using RTMP, routers are removed from routing table if they haven't been refreshed within 20 seconds (by
default).
206. Since using RTMP in WAN links causes too much traffic, it is recommended to use ------ instead.
207. True/False
To save bandwidth in the LAN environment, it is recommended to replace RTMP with AURP whenever possible.
208. Which of the following are features of AURP?
-Reduced routing traffic on WAN links (sends updates only)
-Tunneling through IP
-Basic security by hiding devices and network
-Remapping of remote networks to resolve numbering conflicts
-Hop count reduction
209. What would cause link flapping
210. True / False
OSPF starts calculating SPF immediately after receiving a topology change.
211. True/False:
Running eigrp on slow serial links and when smaller network connects to larger network is a good idea.
212. True/false:
IPX EIGRP advertises full SAP on WAN and incremental SAP on LAN interfaces.
213. True/False:
Floating Static route, is a static route that has a higher administrative distance than a dynamically learned route.
Thus, a floating static route can be used to create a 'path of last resort' that is used when no dynamic information is
available.
214. What do transparent bridges use to build and maintain spanning tree?
215. In source-route bridging, how does a source node finds another node?
216. Which routing protocol sends updates every 10 seconds?
217. Which routing protocol has a limit of 50 networks in a routing table update, which means many update packets
must be sent in large networks?
218. Which protocol has a limit of 7 services per packet when advertising services, which causes numerous packets
on enterprise internetworks with hundreds of services.
219. Which routing protocol use 14 bytes to define each route entry, so can send 104 routes in a packet of 1500
bytes?
220. Which routing protocol must be configured to do route summarization?
221. IOS Version 11.2 implements CET (Cisco Encryption Technology) IOS Version 11.3 implements IPSec.
What is the difference between the two?
222. True/false:
When authenticating peer routers using CET 'Cisco encryption technology' key, the same DH
questions[Diffie-Hellman] = ' number and the same DES 'Data Encryption Standard' key can be used for
consecutive sessions.
223. True /False
IPSec works between two Cisco routers only.
224. Netware servers running the Novell Core Protocol 'NCP' send a keepalive message to all connected clients
every 5 minutes. If the clients are connected by DDR circuits, the DDR stays open.
to avoid this, use --------- spoofing on the router at the server end. The router then answers session keepalives
locally and the DDR link is allowed to drop.
225. Which spoofing does the same thing as watchdog spoofing, except that it is for applications that use SPX
instead of NCP?
226. True/False:
Compress stack needs more process and compress predictor needs more memory.
227. Cisco recommends that you disable compression or encryption if the router CPU load exceeds ???? Percent.
228. Release 11.2 supports what kind of traffic-shapings?
229. True / false:
Custom queuing guarantees some level of service to all traffic, whereas priority queuing makes sure that one type
of traffic will get through at the expense of all other types of traffic.
230. True/false:
In priority queuing, traffic can be assigned to the various queues based on protocol and port number.
231. What are the 4 queues of priority queuing?
232. True/false
If the WAN links are constantly congested, a viable solution to help the time-critical applications is to use priority
queuing.
233. Which queuing is less dramatic and handles the queues in a round-robin fashion?
234. Which queuing method is enabled by default on most of the low bandwidth interfaces?
235. How does the weighted fair queuing make sure that applications that use large packets (i.e. FTP) cannot
unfairly monopolize the bandwidth depriving the applications with short packets (Telnet.
236. Applications that can tolerate time delays (like file transfers) are called...?
237. What is the name of the service that allows routers to communicate among themselves and with end systems
so that they can reserve en-to-end resources for inelastic applications?
238. True/false:
The router that is connected to the receiver of a particular data flow (i.e. video file) is responsible for initiating and
maintaining the resources used for that data flow.
239. In general, what are the goals of using a network management product?
240. Proactive Network Management
What does it mean?
241. What is the name of the Cisco network management product that is developed mainly for transition from
legacy SNA to multiprotocol networks, including IP?
242. True/False:
TrafficDirector packet filter enables users to monitor all seven layers of network traffic.
243. What sections should be included in design documents?
244. What should be included in Design Requirement section of Design Document?
245. True/False:
To validate your design use:
Prototype for larger networks
Pilot for smaller networks
246. When comparing the advantages and disadvantages of a full mesh versus a partial mesh frame relay design,
which statement is most accurate?
A- a full mesh is more expensive due to more routers
B- a partial mesh is less expensive due to fewer virtual circuits.
247. X.25 is:
A- name of a protocol
B- type of a protocol
248. What is the first step to take when designing a small to medium size internetwork?
249. What task would you complete to identify a customer's organizational objectives that will affect your network
design?
250. WAN links are saturated when network utilization exceeds....%?
251. Isolating requirements for fault management, accounting management, configuration management and
performance management would fall under which customer requirements?
252. True/False:
When designing a flat switched network you can have more IP nodes than you could have IPX nodes on the same
segment without any performance degradation.
253. What is the possible design problem when remote offices accessing the central headquarter have a router with
one ISDN BRI and the central site has a router with ISDN PRI?
254. When a company plans to add leased lines but has not made a determination on the protocol, interface and
media, which of the following products would be the best solution for this scenario?
770
2503
2514
3640
255. Both distance vector and link-state routing protocols converge more quickly if which of the following items is
implemented?
A- redundancy in the network
B- Route redistribution between protocols.
256. True/false:
In a small to medium network, an error-free pinging and t | |
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| I suggest you give credit, by naming the person or company whose info you posted. I doubt you wrote that (I know because I have seen most of it before).
It's not nice to post someone else's hard work and not give them credit for writing it.
Yankee | |
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| i just trying to share this info with u all..
if u all dun want..then nevermind....
sorri...
helan |
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