Give the (one) best answer for each question:

1. A measurement technique that doesn’t perturb a network is called:

A. Active
B. Passive
C. Intrusive
D. Quiet

2. Ping is an example of which type of measurement technique

A. Active
B. Passive
C. Intrusive
D. Quiet

3. The round trip delay metric is a measure of network:

A. Throughput
B. Latency
C. Utilization
D. both A and B

4. The application rate for a client server system can be increased by:

A. Increasing network bandwidth
B. Increasing frame size
C. Reducing client and server processing time
D. All of the above

5. Which TCP/IP or NetBIOS utilities would you use to determine the MAC address of the local default gateway for a TCP/IP subnet?

A. Tracert and NBTSTAT
B. PING and NBTSTAT
C. PING and ARP
D. NetSTAT and ARP

6. A field test instrument used to measure network cable length is called a

A. Multimeter
B. Time domain reflectometer
C. Network analyser
D. Continuity tester

7. An international standard for CAT 5 cable certification is:

A. IEEE 802.3
B. 10Base T
C. EIA568
D. EIA232

8. The NVP setting for field cable testers indicates the:

A. Fraction of speed of light
B. Nominal velocity of propagation
C. Calibration constant for particular types of cable
D. All of the above

9. The maximum fixed cable length for a CAT 5 cable installation is:

A. 10m
B. 100m
C. 90m
D. 200m

10. A field test instrument measures a cable at 120m, but it is incorrectly calibrated with NVP = 0.8. If the actual length is 100m what should the NVP setting be to give correct measurements?

A. 0.66
B. 0.75
C. 0.85
D. 0.95

11. The inter-frame gap for a IEEE 802.3u (100BaseTX) network is equivalent to:

A. 9.6uS
B. 0.96uS
C. 12 bytes
D. B and C

12. How many bytes are used for the pre-amble in a IEEE802.3 frames?

A. 6
B. 8
C. 12
D. 20

13. What is the maximum size for an Ethernet frame excluding the preamble?

A. 1500 bytes
B. 46 bytes
C. 1518 bytes
D. 64 bytes

14. What is the maximum % age utilization measured by a network analyser for a continuous steam of frames of minimum size over an Ethernet link without errors?

A. 50
B. 100
C. 76
D. 98.6

15. Which Windows 2000 tools could you use to measure processor activity and display the results in real time?

A. Task manager
B. System monitor
C. Network monitor
D. Both A and B

16. Which Windows 2000 tool could you use to monitor disk activity and save results as a log file?

A. Performance Logs and Alerts
B. System monitor
C. Network monitor
D. Task manager
17. The performance metrics used in the performance console are called:

A. Objects
B. Counters
C. Measures
D. Instances

18. Which performance object/counter would you use on a server PC to measure the data throughput from the hard disk?

A. Physical Disk/%DiskReadtime
B. Physical Disk/%DiskWritetime
C. Physical Disk/DiskWrite bytes/sec
D. Physical Disk/DiskRead bytes/sec

19. Which performance object/counter would you use on the client PC to measure the data throughput from the network?

A. Network Interface/BytesTotal/sec
B. TCP/Segments/sec
C. UDP/Datagrams/sec
D. System/Fileread/Bytes/sec


20. The best way to show results of system activity over a period of time is to use a:

A. Graph or chart
B. Histogram
C. Table
D. Report

21. Using a short sampling interval when logging performance data will:

A. Give more accurate results but consumes more memory
B. Is not recommended for long term trend analysis
C. Loads a system more than a long sampling interval
D. All the above

22. The %age processor time threshold, which denotes a performance bottleneck and possible need for upgrade or additional CPU is:

A. 50
B. 25
C. 85
D. 3

23. The results of initial tests performed on all aspects of a system to allow for future performance comparison is called a:

A. Trend
B. Bottleneck
C. Baseline
D. Benchmark

24. Trend analysis involves

A. Short term performance monitoring
B. Long Term performance monitoring
C. Comparison with a baseline report
D. Both B and C
25. The term used to describe a system component that under performs is called a:

A. Baseline
B. Trend
C. Roadblock
D. Bottleneck

26. When upgrading a client server network that had near 100% utilization for large file transfers, from 100 to 1000Mbps the improvement in throughput was negligible. What is the most likely reason if the client and server have ample memory?

A. CPU bottleneck
B. Disk subsystem bottleneck
C. Page file size
D. All of the above

27. Which RAID system is the best way to optimize the performance and maximise the use of space of a server with three SCSI hard drives?

A. RAID5
B. RAID1
C. RAID0
D. RAID 0+1

28. The best way to optimize the performance and provide resilience against failure of three SCSI hard disks is to use which RAID array?

A. RAID5
B. RAID1
C. RAID0
D. RAID 0+1

29. The paging file is best optimised by:

A. Reducing its size
B. Increasing its size
C. Striping across all available disks
D. Deleting it

30. The component, which has most bearing on, the performance of a File server is:

A. Memory
B. Disk subsystem
C. CPU
D. Network subsystem

31. The component that has most bearing on the performance of an application server is:

A. Memory
B. Disk subsystem
C. CPU
D. Network subsystem

32. The bandwidth requirement of a web server that has an average of 100 users accessing it per minute if each transfers 20KB of data is:

A. 267Kbps
B. 2Mbps
C. 56kbps
D. 128Kbps
33. The IIS 5 number of hits expected per day setting allows you to preserve which resource:

A. Memory
B. CPU time
C. Network Bandwidth
D. Disk space


34. Process throttling restricts which resource of IIS 5?

A. Memory
B. CPU time
C. Network Bandwidth
D. Disk space


35. If Windows 2000 server is primarily used as a web server its function should be optimised as a:

A. File server
B. Application server
C. Domain controller
D. None of the above

36. A distributed network analyser and remote probe allows you to monitor:

A. Local network traffic
B. Remote TCP/IP subnet traffic
C. Remote switch segments
D. All of the above


37.The use of which of the following can speeds up access to HTTP pages?

A. Client side cache
B. Proxy server static cache
C. Proxy server dynamic cache
D. All of the above

38. SNMP is the
A. TCP/IP application protocol that uses UDP transport
B. TCP/IP application protocol that uses TCP transport
C. Standard mail transport protocol
D. None of the above


39. The SNMP device used to get data from an MIB is called a

A. NMS
B. Agent
C. Probe
D. Trap


40. In SNMP access to agents is controlled by a:

A. Password
B. Community name
C. Subnet number
D. Workgroup name
41. The standard for defining values in a MIB tree is defines as

A. TCP/IP
B. ASN.1
C. ANSI
D. IEEE 802.1

42. The SNMP message sent by an Agent to a management station to warn of a network fault is called:

A. an interrupt
B. a Get message
C. an Alarm
D. a Trap

43. The extension to SNMP, which permits more efficient monitoring of remote devices, is:

A. SNMP2
B. RMON
C. Observer 8
D. SNMP3

44. Which of the following devices can filter network broadcast traffic?

A. Repeater
B. Router
C. VLAN Switch
D. Both B and C


45. The RMON1 group that provides details of Ethernet statistics is called:

A. Statistics
B. Traffic matrix
C. Host
D. Events

46. An effective way of improving client server network performance without upgrading the LAN technology speed is to:

A. Segment using switches
B. Partition by adding more network adaptors to the server
C. Replace old ISA 8 bit adaptors with 32 bit PCI bus mastered types
D. All of the above


47. Use of SSL to access web pages:

A. Reduces the access time
B. Increases the access time
C. Employs data compression
D. Is not very secure


48. Which TCP/IP utility verifies that a TCP/IP stack has initialised properly?

A. PING
B. TELNET
C. IPCONFIG
D. FINGER
49. Which TCP/IP protocol is used by the PING and Tracert utilities?

A. ICMP
B. SNMP
C. NBT
D. ARP

50. When configuring a host on a network you get a message that there is a NETBIOS name conflict. What command or service can you use to identify the conflicting name?

A. IPCONFIG/ALL
B. NBTSTAT -n
C. ARP -A
D. TRACERT


51. How would you determine the MAC address of another computer on your local TCP/IP sub network?

A. Run NETSTAT, then review the ARP cache
B. PING the IP address of the other PC, then review the ARP cache
C. Run TELNET, then review the address header
D. Run Tracert using the IP address of the other PC.


52. Which TCP/IP utility is used to display TCP or UDP ports in use?

A. NBTSTAT
B. NETSTAT
C. IPCONFIG
D. ARP


53. Which protocol is employed for secure access to web pages?

A. SSL
B. ARP
C. UDP
D. FTP

54. A PC has an IP configuration problem. It can ping other hosts on the local subnet using IP addresses, but not computers on any other subnet. What is the most likely needs changing?

A. IP address
B. Subnet mask
C. Default gateway
D. Wins server address


55. Which TCP/IP utility would you use to determine the path taken by packets across the Internet?

A. Ping
B. Tracert
C. Netstat
D. Nbtstat



56. Which components are most important when optimising the performance of a networked client PC intended mainly for local CAD applications?

A. Memory and CPU
B. Hard disk drive
C. Hard disk interface
D. Network speed


57. The feature found in some switches that allows a network analyser connected to one port to monitor traffic on another port is called:

A. Segmentation
B. Port trunking
C. Port mirroring
D. Sharing


58. The test employed by a cable verification field tester to check for correct pinouts and crossovers is called:

A. Continuity
B. TDR
C. Wire map
D. Short circuit


59. The general term used to specify items to be monitored in system monitor is called:

A. an object
B. a counter
C. an instance
D. a value


60. The purpose of performance tuning and optimisation is to:

A. Remove usage bottlenecks
B. Improve network efficiency and save money
C. Provide a satisfactory user experience
D. All of the above


61. The best type of simulator to use for a large network is:

A. OPNET
B. NS2
C. Discrete event
D. Analytical

62. Performance indicators for computer equipment often used by marketing for comparison purposes are called:

A. Bottlenecks
B. Baselines
C. Benchmarks
D. Counters



63. Attending to network performance problems before they become a problem is called:

A. Upgrading
B. Baselining
C. Capacity planning
D. Trending

64. Using a simulation to predict the effect on performance of network changes is called:

A. Bottleneck analysis
B. 'What if' simulation
C. Trend analysis
D. Benchmarking

65. A device used to stress test a network by flooding it with data packets is called a:

A. Simulator
B. Emulator
C. Traffic Generator
D. Network analyser


msg me if u want the answers

do your own assignments....

its not an assignment

i did this last week

got it marked
and just wanted to see what u all would get

see if u could beat me