CCNP-CIT(1)
添加时间: 2007-9-8 3:03:00 作者: Cisco认证考试 阅读次数:29 来源: http://www.d9soft.com
CIT CHEET SHEETS: 650-506
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?
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