COPYRIGHT KEEN INTERACTIVE
LAST UPDATE: 8/7/00
1. Choose two enhancements that FDDI provides over Token Ring
a. Faster speeds*
b. Fault isolation
c. Dual Rings*
d. 155 Mbps speed
2. Short-term statistics can be used to help do which of the following for the network administrator?
a. Provide a history of network growth
b. Plan for the future expansion requirements of the network
c. Expose areas of potential network problems*
d. Evaluate immediate network changes required*
3. What command displays a detailed device status report?
4. What does ping stand for?
5. Which switching is required so that all packets are processed by the debug commands?
a. process*
b. optimum
c. autonomous
d. fast
6. What command is used to display the IP interface configuration?
7. What does the output of the command ‘ipconfig /all’ display?
a. All Layer 3 information
b. IP information for all interfaces, including IP address, subnet mask, DNS server, DHCP, and some NetBIOS information*
c. IP address and subnet mask only
d. None of the above
8. Which of these is an online tool for Cisco case management?
a. CCO Case Manager
b. Case Management Toolkit*
c. CCO Tac Manager
d. None of the above
9. Which of these commands will determine whether or not an access list has been applied to an interface anywhere between the host and the destination IP address restricting the ICMP protocol?
a. debug ip icmp*
b. debug ip routing
c. debug ip eigrp
d. debug arp
10. Which of these Internet protocols can hosts use to discover all locally attached router addresses?
a. IRDP*
b. IGMP
c. UDP
d. ICMP
11. After logging into a router, which of these commands will indicate which interfaces are running OSPF?
a. show ip interfaces
b. show ip protocols
c. show ip ospf interfaces*
d. show ip arp
12. An administrator adds a VLAN to Switch A, which is connected to Switch B and C. Which of the folloing is true about the VLAN?
a. It will need to be added manually to each switch in the network
b. It will automatically be added to each switch in the subnet
c. It will automatically be added to each switch in the VTP domain*
d. It will need to be added manually to each switch in the network that participates in the VLAN, but no others
13. Which of the following protocols provides routing for AppleTalk?
a. ATP
b. ZIP
c. AARP
d. RTMP*
14. Which of these commands will display VLAN information?
a. show port
b. show vlans*
c. show VLAN cdp
d. show vtp domain
15. Which of these commands will invoke a core dump from the command line?
a. show core
b. dump core
c. write core*
d. write net
16. Which of these is a GUI-based management interface for Cisco switches?
a. Cisco Resource Manager Essentials
b. Netsys Baseliner
c. TrafficDirector
d. VlanDirector*
17. Which command should be performed on a router so that its data can be submitted to the TAC during the submission of a case?
a. show support
b. show version
c. show tech-support*
d. show protocols
18. What command displays several statistics and encapsulation types for Ethernet interfaces?
19. Which of the basic IP management functions is provided by TCP?
a. Flow control using Source Quench messages
b. Reliable transport methods, using sequencing, and sliding window techniques*
c. Reachability testing to verify host connectivity using Echo and Echo Reply
d. MAC address resolution and caching
20. What term is given to a storage area dedicated to handling data while in transit?
a. cache
b. pipe burst
c. buffer*
d. station
21. The counter reads 2619 frames received and 765 frames captured after you have utilized your protocol analyzer to capture several packets on an ethernet IPX network. What is indicated by these statistics?
a. Excessive collisions
b. 765 of 2619 frames detected by the network interface were discarded because they contained invalid checksums
c. The protocol analyzer is set for the incorrect ethernet frame type
d. 2619 frames were seen by the network interface but only 765 frames met the criteria specified in a traffic filter*
22. Which bit notifies the connected device that congestion was experienced in the direction of the travelling frame?
a. FECN*
b. BECN
c. DE
d. CIR
23. The clear commands ____________.
a. Can be used to reset statistical counters, delete entries from internal router tables, or reset hardware logic*
b. Work by using the error messages generate by routers when a datagram exceeds its TTL
c. List the output of the currently running configuration and the state of the router
d. Can be used to isolate between a routing, data link, or physical infrastructure issue and an application/transport problem
24. Which of these commands will reset the counters displayed by the show frame-relay pvc command for interface serial 1?
a. clear interface serial 1
b. clear counters serial 1*
c. clear counters
d. clear all
25. Your local office installs a Nortel router and the corporate office installs a Cisco 2500 series router. Which frame encapsulation type should be run between the two routers?
a. IETF*
b. Cisco
c. Frame
d. Serial
26. What command will display all directly connected Cisco devices and information about the devices’ software, data link, and network configuration?
27. In Cisco terminology, the ______ of ______ is the boundary of the area that is affected by the network failure or problem.
28. A workstation cannot resolve AppleTalk names to their addresses but can ping the local router interface’s AppleTalk address. Which of these commands issued on the router might display useful information regarding the problem?
a. debug apple arp
b. show debug nbp
c. debug apple nbp*
d. debug apple zip
29. A standard ISDN RJ-45 connector has eight pins. Which of the pins provide the power source, as defined by the ISO 8877 standard?
a. Pins 5 and 8
b. Pins 3 and 5
c. Pins 3 and 6
d. Pins 1 and 2*
30. A ________ is a software algorithm that presents packets in a readable and logical format.
a. decoder
b. packet decode*
c. packet recoder
d. decoder packet
31. What Cisco IOS command can be used to display the AppleTalk name-to-address mapping table?
32. Which of the following are connectionless protocols?
a. IP*
b. ATM
c. TCP
d. UDP*
e. Novell IPX*
33. Your users are complaining that they cannot connect to a remote network with IPX NetBIOS applications. Which of these commands will bridge these packets?
a. ipx bridge
b. ipx nlsp
c. ipx nlsp enable
d. ipx type-20-propagation*
34. What information must you be able to provide when opening a TAC case?
a. ‘show tech-support’ information*
b. Contract number*
c. Name, phone-number, and email address*
d. Company Name*
35. Which of these commands should be issued to view messages being sent to the console?
a. terminal monitor*
b. echo terminal
c. terminal echo
d. monitor terminal
36. How do you reset the counters displayed by the ‘show interfaces bri 1’ command?
a. clear interface bri 1
b. clear bri
c. clear arp
d. clear counters interface bri 1*
37. Which of the following commands is used on an AppleTalk network to find problems when neighbors become unreachable?
a. debug apple events*
b. debug apple traffic
c. protocol apple verbose
d. show apple rtmp
38. Per Cisco, the ‘show’ commands should provide enough details to diagnose ____ percent of all network failures.
a. 25
b. 50
c. 75*
d. 85
39. Which of the following is true of VLANs?
a. They define the broadcast domain*
b. They define the collision domain
c. They are unique to each workstation
d. They are only available on Ethernet
40. Which of the following tools is most useful for analyzing a reconfiguration, redesigning, and stress testing within a Cisco network?
a. Oscilloscope
b. Traffic Director
c. Cisco Netsys Baseliner*
d. Protocol Analyzers
41. Performing the ‘show interfaces ethernet0’ command displays a high number of collisions. Which of the following should be done next?
a. Perform the ‘show controllers ethernet’ command
b. Reload the router and shut down the interface and bring it back up
c. Remove all stations from the network and see whether the collisions stop
d. Clear all the Ethernet 0 counters using the ‘clear counters Ethernet 0’ command and then perform the ‘show interfaces’ command several times in succession*
42. A user on VLAN 1 cannot connect to a server on VLAN 2 on the same switch. Which of these are possible causes?
a. The user’s port is a SPAN port
b. The router does not have a sub-interface configured for VLAN 2*
c. The router has an access-list problem*
d. ISL trunking is not working properly*
43. CHAP requires which of the following?
a. A defined username*
b. Encrypted passwords
c. An external server running TACACS+
d. PPP*
44. Which Novell 802.3 encapsulation is the default for Cisco routers?
a. SAP
b. ARPA
c. SNAP
d. Novell-ether*
45. What command maps the path of a data packet through a network by incrementing the TTL value in the IP header?
a. ping
b. netstat
c. nbstat
d. traceroute*
46. Which of the following categories can be found in the Troubleshooting Engine?
a. Novell NetWare
b. IP*
c. RTMP
d. Network Management*
47. Issuing the command ‘show ipx servers’ displays 980 service entries. How many SAP update packets will be sent across the backbone every minute on a network running NLSP routing protocol?
a. 0*
b. 15
c. 140
d. 191
48. Which one of these commands will display the status of all three ITU-defined ISDN layers?
a. show isdn status*
b. show controller bri
c. show isdn q931
d. show interfaces bri
49. What does CSMA/CD stand for?
a. Collision Sensing Multiple Access/Collision Domain
b. Collision Standard Multiple Access/Carrier Detect
c. Carrier Sense Multiple Access/Collision Detection*
d. Command Structure Multicast Address/Carrier Detect
50. What command will display debug information regarding EIGRP, RTMP, or AURP routing protocols?
51. You finish filling the capture buffer on the LANWatch network analyzer without using a capture filter. How do you display packets from a specific server?
a. This cannot be done
b. Cut and paste relevant packets into a text file
c. Redo the capture process and use a capture filter
d. Configure and use a display filter*
52. What command lists the encapsulation method, carrier transitions, and data terminal settings?
53. Which bit is set to indicate to the frame relay network that the frame can be dropped if a congested link is encountered?
a. CIR
b. FECN
c. DE*
d. BECN
54. The ‘show buffers’ command indicates that there have been 1119 big buffer misses. What is indicated by this reading?
a. Space was not available within the buffer pool-600 bytes of buffer memory was allocated
b. 1119 packets have been discarded because of buffer allocation problems
c. 1524 bytes of buffer memory has been allocated 1119 times*
d. 1119 bytes of buffer memory has been allocated 1119 times
55. Which of these online Cisco products provides inventory management, change audit reports, a software image maker, and a system-logging analyzer?
a. TrafficDirector
b. Netsys Baseliner
c. Cisco Resource Manager Essentials*
d. VlanDirector
56. The local serial interface’s physical state is up but the line protocol is down. Which command would be used to trace management traffic to and from the interface?
a. debug frame-relay events
b. debug frame-relay lmi*
c. show frame-relay events
d. debug lmi
57. Which of the following commands issued on the router will display spanning-tree information?
a. show spantree
b. show neighbors cdp
c. show span*
d. show spanning-tree*
58. Within CCO documentation, which of these are available to the user?
a. debug command interface*
b. troubleshooting assistant
c. quick configuration guides*
d. configuration guides*
e. troubleshooting guides*
59. Repeatedly a 4500 series Cisco router is crashing unexpectedly and then immediately reloading. You enter a command in the router so that core dumps will be sent to a TFTP server at the IP address 10.240.10.3. What command was entered?
a. write core
b. exception dump 10.240.10.3*
c. copy crashinfo 10.240.10.3
d. ftp crashinfo 10.240.10.3
60. Several users cannot send email but can receive email messages. What should be checked first?
a. Ensure that access lists are enabled on interfaces located between the clients and their email server that deny POP3 traffic
b. Ensure the server is currently connected to the network
c. Ensure the locally attached router’s interface is set as administratively down
d. Ensure that access lists are enabled on the interfaces located between the clients and their email server for the purpose of denying SMTP traffic. If there are no access lists, ensure that SMTP traffic is being denied by the implicit ‘deny any’ command.*
61. Which TCP/IP reference model layer performs functions similar to the OSI model’s network layer?
a. Presentation
b. Protocol
c. Internet*
d. Transport
62. Which of the following are hardware components of a Windows client/server connection?
a. Bridge
b. Router*
c. Server*
d. Client*
63. A standard ISDN RJ-45 connector has eight pins. Which of the pins are used for transmission, as defined by the ISO 8877 standard?
a. Pins 5 and 8
b. Pins 3 and 6*
c. Pins 3 and 5
d. Pins 1 and 2
64. What information is provided by issuing the ‘show version’ command?
a. Reason for last upgrade
b. Hardware and software version*
c. Uptime*
d. Configuration version
e. Reason for last reload*
65. In Cisco terminology, the ________ is designed to implement changes in a network order to resolve networking problems.
a. network architecture
b. flowcontrol model
c. action plan*
d. data model
66. What is the purpose of the ping command?
a. To test routing protocols
b. To test reachability and connectivity*
c. To test the ICMP protocol
d. To gain interface status
67. You have just disabled the AppleTalk protocol from an old network interface. Approximately how long should you wait until configuring the zone list on a new interface?
a. 10 minutes*
b. 15 minutes
c. 30 minutes
d. 1 hour
68. What is the easiest way to turn off debugging?
a. no debug all
b. un all*
c. no debug
d. All of the above
69. Windows workstations configured with NetBIOS are unable to browse servers located within the domain using Network Neighborhood. All of the servers are located within the 10.23.22.0/24 network. What could be done so that the workstations can see the servers within their Network Neighborhood?
a. Add an access list disabling UDP ports 137, 138, and 139 on a router between the workstations and the servers
b. Configure the workstations to use a WINS server*
c. Add the workstations’ local router interface to a bridge group
d. Add an IP helper address of 10.23.22.255 and enable UDP forwarding on the locally attached router*
70. What is the purpose of the trace command?
a. To test the ICMP protocol
b. To provide path information by hop count*
c. Reachability and connectivity
d. To test routing protocols
71. Which of the basic IP management functions is provided by ICMP?
a. Flow control, using Source Quench messages*
b. Reachability testing to verify host connectivity (using Echo and Echo reply)*
c. Reliable transport methods which use sequencing and sliding window techniques
d. MAC address resolution and caching
72. You want to find the serial numbers of all line modules located within a Cisco 7513 router. Which of these commands can be used to display these values?
a. show diagbus*
b. show interface stats
c. show processes
d. show environment all
73. What are the two steps involved in the problem definition procedure of the Cisco troubleshooting model?
a. Consider possible causes of the problem
b. Create a concise, yet accurate, description of the problem*
c. Diagnose the exact problem
d. Obtain information regarding observed symptoms of the network problem*
74. Which of the following is the main purpose of the problem definition phase of the Cisco troubleshooting model?
a. To forma precise and concise problem statement which focuses the troubleshooting effort*
b. To eliminate causes not related to symptoms observed
c. To eliminate causes that may be related to the symptoms manifested
d. To create a working list of symptoms manifesting the problem
75. Which of the following are valid IPX network addresses?
a. CENTRAL.0000.0b35.3c1c*
b. PERIPHERAL.786d.2b01.1000*
c. 9.78
d. 009b.3a76.ca97
76. Which IEEE 802.3 encapsulation is the default for Cisco routers?
a. ARPA
b. SNAP
c. Novell-ether
d. SAP*
77. A company is implementing DHCP. The new DHCP clients on network 10.20.78.0/24 are not being assigned IP addresses by the DHCP server with IP address 10.20.75.3. Which of the following are likely causes?
a. The DHCP server is not properly connected to the network
b. The locally attached router is not configured with a helper address pointing to the DHCP server address*
c. The DHCP clients have been configured with an invalid subnet*
d. The hosts are not being assigned IP addresses within the correct address space
78. Which of the following commands should be used to see the contents of a route map?
a. show memory
b. show traffic
c. show route-map*
d. show running-config*
79. What Catalyst command displays information on neighboring Cisco devices?
80. While managing a network, long-term traffic statistics can be used to help do which of the following?
a. Expose areas of potential network problems
b. Provide a history of network growth*
c. Plan for the future expansion requirements of the network*
d. Generate a projection of infrastructure equipment CPU utilization
81. The traceroute command ___________.
a. Can be used to isolate a routing, data link, or physical infrastructure issue
b. Works by using the error messages generated by routers when a datagram exceeds its TTL*
c. Lists the output of the currently running configuration and the state of the router
d. Can be used to reset statistical counters, delete entries from internal router tables, or reset hardware logic
82. Which of the following are connection-oriented protocols?
a. Novell IPX
b. ATM*
c. IP
d. TCP*
e. AppleTalk ATP*
83. What information is provided by the ‘show version’ command?
a. Configuration version
b. Software and hardware version*
c. Equipment uptime*
d. Reason for last upgrade
84. How do network analyzers collect data?
a. All packets are copied into a buffer if they meet the specified criteria*
b. Random packets are selected if they meet the specified criteria
c. Random packets are selected based on the line speed of the media
d. All packets are analyzed as they pass through the analyzer
85. Which of the following are provided by spanning tree?
a. Redundant paths while preventing loops*
b. Trunking multiple VLANs onto FDDI interfaces
c. A single path through multiple subnets
d. MAC layer address translation
86. You perform the ‘show interfaces’ command on your locally connected router and are given the following:
Router>show interfaces Ethernet 0
Ethernet0 is down, line protocol is down
Which of the following best describes the problem?
a. The ethernet 0 interface has been disabled administratively
b. The network has a protocol mismatch
c. The hub ports that the clients are connected to have malfunctioned
d. The network cable between the router and the hub is spliced*
87. An ISDN call initially succeeds, but pings and other packets fail. Which of the following are likely causes of the problem?
a. Faulty cable
b. Incorrect speeds between switch and router
c. Misconfigured CHAP*
d. Incorrect or missing route*
88. What command displays the Network Services Acces Point address?
a. show interfaces ethernet
b. show interfaces ATM*
c. show interfaces fddi
d. show interfaces serial
89. Which of these applications does a Macintosh user use to select resources?
a. Selector
b. Finder
c. Control Panel
d. Chooser*
90. Which of these commands will provide a list of IPX routes on the network?
a. show ipx route*
b. show ipx traffic
c. debug ipx ipxwan
d. show ipx servers
91. Which of the following commands will gather information regarding DLCI information?
a. write term*
b. show frame-relay ilmi
c. show interface serial
d. show running-config*
92. What command deletes all IPX routes or a subset of routes?
clear ipx route
93. When troubleshooting how many configuration changes should be made before validating results?
a. 1*
b. 2
c. 3
d. 4
94. Which of the following are steps in the Cisco troubleshooting model?
a. Problem definition*
b. Create an action plan*
c. Define the boundary of the process
d. Contemplate possible solutions
e. Observe results*
95. Which Ethernet encapsulation is the default for Cisco routers?
a. ARPA*
b. Novell-ether
c. SAP
d. SNAP
96. What is the name of the layer 2 standard which the International Telecommunications Union has defined for ISDN?
a. I.430
b. Q.132
c. Q.921*
d. Q.931
97. Which of the following switching modes keeps a detailed table of traffic statistics and flows that can be exported to a database and charted?
a. Optimum
b. Autonomous
c. Fast
d. Netflow*
98. Which of the following is the protocol number for ICMP within the IP header?
a. 1*
b. 17
c. 45
d. 88
99. When troubleshooting switches and routers, administrators should consider each element in the network by using a(n) _____________.
a. Action plan
b. Default approach
c. Layered approach*
d. Cautious approach
100. What simple software tools are used to test for device availability and reachability?
a. network monitors*
b. network analyzers
c. cable tester
d. NMS (Network Management Systems)
