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CCNP® CIT® / Support® 2.0 (640-606) |
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400 Questions and Ans |
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1. Which protocol is used with Windows NT/95 and is routable in its native operation?
a. WINS
b. Host
c. NetBEUI
d. NetBIOS
e. LMHosts
2. To identify abnormal network performance or to plan for network expansion, engineers often measure network activity over a period of time to establish a normal performance profile. What is this profile called?
3. Which key network management area is not one of the ISO-defined functional areas of network management?
a. Fault management
b. Security management
c. Accounting management
d. Quality of service management
e. Configuration and name management
4. Which type of device is commonly used to check STP, UTP, 10BaseT, and coax for near-end crosstalk, authentication, and noise?
a. Cable tester
b. Breakout box
c. Volt-ohm meter
d. Protocol analyzer
e. Digital Multimeter
5. Which command checks for routing packets in a network that uses TCP/IP within a Windows NT/95 environment?
a. Debug icmp
b. Debug eigrp
c. Debug IP rip
d. Debug igrp events
a. A Priority 4 call-level dialog
b. The ‘slow version’ command
c. The ‘show tech-support’ command
d. The ‘case management update’ command
e. Remote access using telnet to an auditory port
7. Which Cisco resource can provide web-based access to the official list of field replaceable units?
a. Cisco NetSYS
b. CCO Bug Toolkit
c. CCO Documentation
d. CCO Configuration Tool
e. CCO Troubleshooting Engine
8. What is the primary function of Cisco NetSYS tools?
a. Initial network design for VLANs
b. LAN and WAN protocol imitation
c. Stress testing on SNMP networks
d. Network simulation and modeling
e. Reconfiguration or redesign of documentation
9. Which CCO resource can provide Web-based access to major code upgrades and maintenance releases of Cisco software products?
a. CCO marketplace
b. CCO documentation
c. The Software center
d. The configuration agent
e. Image authentication support center
10. On the output of the Cisco IOS ‘show controllers token’ command, what are the two main types of soft errors that an internal controller can count?
b. Isolating and non-isolating
c. Single ring or multi-ring errors
d. Internal error or external error
e. Between the station and its NAUN or its downstream neighbor
11. Which type of protocol requires an application to request retransmission of missing or corrupt packets?
b. Connection-oriented
c. Client/server
d. Connectionless
e. Quality-of-service oriented
12. What is the advantage of a connectionless protocol?
a. Speed
b. Security
c. No business
d. No need for upper layer connection
13. Click the Task button (selecting the task button will show a table with several Cisco IOS debug commands and a list of output information.)
When troubleshooting ISDN BRI router problems, the Cisco IOS debug commands provide an ongoing display that includes a captured flow of packet fields. Match the correct information that is included in the output of each command to the appropriate command. Note: A command may be used more than once or not at all.
Commands
Debug bri
Debug isdn q921
Debug ppp negotiation
Debug ppp authentication
Debug isdn q931
Debug dialer
Information Provided
a. Exchange of LCP actions [e.g magic number]
b. Layer 2 info [e.g LAPD access on the D channel]
c. Layer 3 info [e.g setup/teardown of connections]
d. Layer 1 info [e.g is call enabling B channels]
e. Password information [e.g CHAP exchanges]
f. Session Layer info [e.g point to point unicast calls]
g. Interesting packets trigger the ISDN call [e.g IP]
b. To display a verbose explanation of ICMP ping results
c. To check if the trace process is using UDP time to live
d. To troubleshoot problems with the ICMP protocol stack
e. To check if the router is sending or receiving ICMP messages
15. When checking for ISDN events in a log or debug filter, you can configure the router to indicate how long after the system rebooted that the events occurred. Which Cisco IOS command configures for this feature?
16. Click the Exhibit button:
Cisco IOS software provides several debug commands to help you troubleshoot ISDN BRI layers2 and 3.
Which two ISDN protocol-related cisco IOS debug commands are used for troubleshooting?
First enter the command for layer 2 debug, the portion of the network illustrated as 2 in the diagram Then enter the command for layer 3 debug, the portion of the network illustrated as 3 in the diagram. Do not abbreviate commands. Separate commands with a single space.
17. Which Cisco IOS command provides the quickest summary indication of the three ISDN layers?
a. show isdn status
b. show tech-support
c. debug isdn-summary
d. show controller bri
e. show interface bri n
18. You have initiated an action plan to resolve a network problem, but the network continues to perform poorly. What should your next action be in order to resolve the problem?
a. Gather additional facts to see if the action plan was incomplete.
b. Evaluate the underlying assumptions and problem definition for validity.
c. Iterate the process and, as required, undo the changes that did not work.
d. Repeat the process and modify additional variables until a solution is reached.
e. Reconsider the possibility that there are other interworking complications from other devices.
19. What does a switched VLAN correspond to in the VLAN routing paradigm?
a. Bridge group
b. Router interface
c. ISL trunk identifier
d. Single-routed subnet
e. Spanning-tree branch
20. Click the Exhibit button:
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DLC:------DLC Header-------
DLC: DLC: Frame 1 arrived at 15:05:33:389, frame size is 62 (003E hex) bytes DLC: AC: Frame priority 0, Reservation priority 0, Monitor count 0 DLC: FC: LLC frame PCF attention code: None DLC: FS: Addr recognized indicators: 00, Frame copied indicators: 00 DLC: Destination = Station cisco A05903 DLC: Source = Station IBM 0AE591 DLC:
LLC: LLC Header LLC: LLC: DSAP = AA, SSAP = AA, command, Unnumbered frame, UI LLC:
SNAP: SNAP HeaderSNAP: SNAP: Type = 0800 (IP) SNAP:
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This is a sample of a LAN protocol analyzer capture. What does SNAP mean in the exhibit packet?
a. Subnetwork access protocol
b. Super non-applicable protocol
c. Serial network access protocol
d. Substrata network access point
e. Second node alternative protocol
21. Which four statements about the ‘ping ipx’ command in Cisco IOS software are true?
a. The command works on Cisco IOS software Release 8.2 or later.
b. The command was part of Cisco’s IOS software before a ping command was developed by Novell.
c. The command default is to operate like Novell’s IPXPING NLM, conforming to the NLSP 3.0 specification.
d. With the privileged form of the command, a higher repeat count than 5 (the default) can be specified.
e. Many of the command’s return characters are comparable to those used with ping in the IP protocol stack
22. Which statement about the embedded RMON agent and SwitchProbe functions in catalyst software is true?
a. SPAN is an option of the SwitchProbe function.
b. The functions use all RMON groups as well as RMON2.
c. The function of SwitchProbe offers an in-band link to the Network Manager.
d. RFC 1757 RMON groups supported are statistics, events, history, and alarms.
e. The functions can monitor segments as long they use 10BaseT or 100BaseT (Fast Ethernet).
23. With a single switching bus on the Catalyst 5000, what process controls how packets access the backplane as they transfer to destinations on the switch?
b. Memory buffers prevent oversubscription to the bus
c. Application-specific integrated circuits perform bus arbitration
d. A network master control processor checks its management table for packet priorities.
24. Which Catalyst 5000 command is comparable to a router’s Cisco IOS software command, ‘show running-config’?
25. Click the Exhibit button:
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IPX: --------IPX Header--------- IPX: IPX: Checksum = FFFF IPX: Length = 224 IPX: Transport control = 00 IPX: 0000. . . . = Reserved IPX: . . . . 0000 = Hopcount IPX: Packet type = 0 (Novell) IPX: IPX: Dest network Node = 1000.FFFFFFFFFFFFF Socket = 1106 (SAP) IPX: Source Network Node = 1000.02.60.8C.C2.SC.79, Socket=1106 (SAP) |
This is a sample of a LAN protocol analyzer capture for IPX. Which two troubleshooting facts can be derived from the exhibited packet?
a. This is a broadcast packet.
b. This is a Novell-ether frame.
c. This frame uses the SNAP format.
d. The IPX portion is a connection-oriented protocol.
e. This portion of the frame is a network layer protocol.
26. IP routing often uses a table that shows the correspondence between network and LAN hardware addresses. When troubleshooting, you want to check if hosts are in this table or if there are any duplicate routes. Which Cisco IOS command should you use?
b. show ip hosts
c. show ip routes
d. show ip interface
e. show ip addresses
27. In contrast to shared Ethernet, switch Ethernet on a Catalyst switch does which of the following (Choose Two)
b. Connects directly to end users or other switches.
c. Uses software to set up and maintain a filtering database .
d. Has fewer utilities, which makes management more difficult.
e. Is usually limited to a maximum of 16 ports and eight spanning trees.
f. Associates a MAC source address with a set of ports for transmission.
28. In frame relay, there is a configured association between a DLCI and another protocol-- for example, an IP address. Which command displays information about this association?
a. show frame-relay
b. show frame-relay map
c. show frame relay dici
d. show frame-relay counters
e. show interface [number] dici
29. The ‘privileged ping’ command in Cisco IOS software for TCP/IP allows you to check for MTU, set data patterns, set a source address, and record the route used. Which subcommand in ‘privileged ping’ lets you select these features?
a. Verbose
b. Identify IP as the selected pig protocol
c. Set each feature individually as promoted
d. Yes to the prompt for extended commands
e. Yes to support IP header option commands
30. BRI layer 1 activation on the S/T interface (whereby Layer 1 is up) occurs immediately after_______.
b. The TE becomes active with a 7E signal
c. A synchronized exchange of S and T bits
d. The line code violations set synchronization
e. The TE and NT synchronize and NT sends A = 1
31. The Cisco router can augment VLAN operation on Catalyst switches by performing VLAN translation. Which protocol pair is an example of this VLAN translation?
a. HSRP to/from HDLC
b. IEEE 802.3 to/from Ethernet RAW
c. IEEE 802.1Q LANs to/from IEEE 802.10 FDDI
d. Apple Talk Phase II tunneled to/from EIGRP
e. Inter-Switch Link Protocol to/from VLAN Trunking Protocol
32. Which Cisco IOS command should you use to get the initial facts about a router’s system hardware, to see how long the system has been up, and to find out the general situation that caused the last system boot-up?
a. show start
b. show version
c. show processes
d. show configuration
e. show system details
33. When you troubleshoot PPP CHAP authentication for ISDN BRI, check to make sure that the password and router name configured on the local router is _______ to the password and TE name on the remote router. Note: Use a single word answer
34. Which four statements about the inter-switch link (ISL) specification are true?
a. ISL adds an extra 30 bytes to the frame.
b. ISL is for point-to-point connections only.
c. ISL can support token ring as well as Fast Ethernet.
d. ISL replaces the original LAN frame FCS with its own CRC.
e. ISL adds or removes its frame tagging and FCS fields for traffic between VLAN capable Cisco products
35. What are four reasons for proper handling of Cisco troubleshooting tools?
a. You need to know the impact of tools on router performance.
b. You need to know the most selective, focused use of the tools.
c. You need to know how to minimize the impact of tools on other processes.
d. You need to know the MIB items of the tool to interwork with network management.
e. You need to know how to stop tool operation when you finish troubleshooting.
36. A VTP domain is a group of one or more interconnected devices that share the same VTP domain name. Which statement about a router within a VTP domain is true?
a. It can be a VTP server or client.
b. It can participate in switch-oriented VTP.
c. It can create, modify, or delete VTP VLANs.
d. It can be transparent (forward messages) for VTP.
e. It can initiate and advertise domain change messages.
37. Which process assesses the destination and source of traffic, given knowledge about network conditions?
a. Routing
b. Interface
c. Best path
d. Switching
e. Open shortest path
38. When troubleshooting an ISDN call, which trigger do you check to determine what initiated the BRI call?
a. TE active with 7E
b. PPP negotiation initiated
c. Q.921 and Q.931 activation
d. NT sync acknowledgement with A = 1
e. DDR with a dial string to a destination
39. When troubleshooting, how can you ensure the problems are not with DNS?
a. By examining the routing table entries
b. By examining the router’s configuration
c. By using IP addresses rather than names
d. By checking for obsolete address resolution entries
e. By using ping or trace to verify its communication path
40. Which command reports the discovery of new zones?
a. debug apple zip
b. debug apple errors
c. debug apple routing
d. show apple interfaces
e. debug apple getzonelist
41. With the Catalyst 5000 switched port analyzer, what is identified by the destination module/port identifier?
a. The destination of ISL packets on another switch
b. The port mirroring traffic to a protocol analyzer
c. The destination of ISL packets on an outbound port
d. The destination portion of a MAC source/destination address pair
42. Why is process switching relatively slow when tracing the process of packet flow in a router on Cisco 7000 series routers?
a. There are delays from building the routing table in the RSP.
b. There are delays from striping layer 3 packet headers in the SSP.
c. It must interrupt the RSP for the time is takes to copy the packet from the SP to the RSP.
d. It must interrupt the RSP for the time it takes to copy the packet from the RSP to the SP.
e. There are delays checking to learn if there is already an entry in the silicon switch cache.
43. What does the ‘ipx ping-default Novell’ command do?
a. It changes the ping format to Cisco’s Novell tunneling.
b. It sets the nondefault ping to correspond to Novell’s NLSP specification.
c. It adds a framing correspondence for Novell encapsulations on an interface.
d. It assigns the ping target address for IPX when it is tunneled over an IP network.
e. It sets the address that is advertised by NLSP and IPXWAN on all router interfaces.
44. Which privileged Cisco IOS command can you use to obtain a comprehensive output of a router’s condition that can be sent to your tech support engineer?
a. show all
b. show fireware
c. show controllers
d. show tech-support
e. show running-config
45. Which step follows isolating a problem to a specific device such as a router or switch?
a. Trying to isolate the problem within the specific device
b. Swapping out the router or switch and observe the result
c. Running diagnostics on interfaces and reload all software
d. Applying all patches and upgrade all software to current release levels
e. Doing a search on the CCO Troubleshooting Engine and CCIE Forum
46. The performance on VLANs is often slow or unreliable. Which aspect of the network is NOT a possible cause to check when you troubleshoot?
a. Collisions occurring in the switched ethernet domain
b. Bad adapter in a client or server system in the VLAN
c. Incorrect or inconsistent Ethernet settings for half- or full-duplex
d. Cabling connection problems, such as RJ-45 cable improperly attached
e. Cable distance exceeded, such as 100BaseT with 200-meter segment length
47. The ‘slow ipx traffic’ command shows that bad hop count is increasing. Which problem is a likely source of these symptoms?
a. There is a back-door bridge between segments.
b. Routes are unpredictably appearing and disappearing.
c. Error recovery is beyond 15hops with redundant links.
d. Non-routable protocols could reach remote destinations.
e. There is decreasing routing throughput at NetWare file server PCs.
48. Click the Exhibit button:
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DLC: -------DLC Header------- DLC: DLC: Frame 2 arrived at 14:53:37:6592 frame size is 60(D03C hex) bytes DLC: Destination = FF FF FF FF FF FF DLC: Source = Station cisco 01 56 AB DLC: Ethertype = 0806 (ARP) DLC:
ARP: --------ARP/RARP frame------- ARP: ARP: Hardware type = (10MB ETHERNET) ARP: Protocol type = 0800 (IP) ARP: Length of hardware address = 6bytes ARP: length of protocol address = 4bytes ARP: Opcode I (ARP Request) ARP: Sender’s hardware address = cisco 0156AB ARP: Sender’s protocol address = [144.251.100.204] ARP: Target hardware address = 00 00 00 00 00 00 ARP: Target protocol address = [144.251.100.100]
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This is a sample of a LAN protocol analyzer capture. Which troubleshooting fact can be derived from the exhibited packet?
a. This is an iso1 frame type.
b. The data link layer uses the SNAP format.
c. This frame uses IP as the network layer protocol.
d. The purpose of this frame is for route selection.
e. This frame uses a connection-oriented communication.
f. This purpose is to find the ethernet address of 144.251.100.204.
g. The purpose is to find the ethernet address of 144.251.100.100.
49. Which command displays the flow of IP packets transmitted between local and remote hosts?
a. show ip access
b. debug ip packet
c. show ip buffers
d. debug ip traffic
e. show ip transmitted
50. What should you do if you are checking the frame relay PVCs and only the local DLCI.0 or DLCI.1023 can come up?
a. Check if DLCI usage should be switched rather than local.
b. Try to reconfigure so that DLCI 0 is used for the cisco LMI DLCI.
c. Check if FECN or BECN indicate congestion in the provider facility.
d. Contact the service provider and state you have no data-passing DLCIs.
e. Contact the service provider and state that you are having problems with the LMI.
_____________________________________________________________________________
Answers :
1. A
2. baseline
3. D
4. A
5. C
6. C
7. C
8. D
9. C
10. B
11. B
12. A
13. A = debug ppp negotiation
B = debug isdn q921
C = debug isdn q931
D = debug bri-interface
E = debug ppp authentication
F = debug isdn q931
G = debug dialer
14. E
15. service timestamps {log | debug} uptime [msec]
16. debug isdn q921, debug isdn q931
17. A
18. C
19. D
20. A
21. A,B,D,E
22. D
23. C
24. show config
25. A,E
26. A
27. A,B
28. B
29. D
30. E
31. C
32. B
33. equal
34. A,B,C,E
35. A,B,C,E
36. D
37. A
38. E
39. C
40. A
41. B
42. C
43. B
44. D
45. A
46. A
47. A
48. G
49. B
50. E
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