CNE261 Novell Network Management: NetWare 6

Review for Second Quiz

 

1. Explain two ways to use a SET command.
   
   
2. How do you use the MONITOR utility?
   
   
3. What is Remote Manager? Where can you run Remote Manager?
   
   
4. Name two NLMs that must run on a server to use Remote Manager.
   
   
5. What is one URL you can use to access Remote Manager?
   
   
6. What does the text mean when it says that a NetWare 6 server is self-tuning?
   
   
7. Can you determine how many packet receive buffers a server has at any given moment? Can you predict how many it will have an hour from now? Explain your answers.
   
   
8. What is the most common maximum packet size on a Token Ring network? What is it on an Ethernet?
   
   
9. What is an ECB?
   
   
10. How do you calculate whether the value of "No ECB Available" is high enough to worry about? Worrying does not actually help. What should you do instead?
    
    
11. What is a file system Volume Block? Why is block size potentially wasteful?
    
    
12. What feature does NetWare provide to avoid the waste inherent in large block sizes?
    
    
13. How much RAM must a NetWare 6 server have? How much may it have?
    
    
14. What is the maximum amount of RAM a NetWare 6 server can use as cache memory? What happens if you have more memory?
    
    
15. How big is a cache buffer?
    
    
16. What utility should be called by an NLM that is done using memory it needed temporarily?
    
    
17. How does NetWare handle the problem of discontiguous memory?
    
    
18. What are the settings explained in class that modify how often Garbage Collection takes place?
    
    
19. How many swap files may a server have? How many are allowed on each volume? How many swap files exist by default?
    
    
20. How do you remove a swap file from a volume? Under what extreme circumstance would the system refuse to obey this command?
    
    
21. If an NLM is loaded into protected address space, can it be swapped? Can its data be swapped? If an NLM is not loaded into protected address space, can it be swapped? Can its data be swapped?
    
    
22. What technique is described that would reduce the number of reported Dirty Cache Buffers? Does this improve performance on your server?
    
    
23. What is Cache Balance? By default, what is the value of this property? How could you change it on a console command line?
    
    
24. What are the three physical steps you can take to provide network security?
    
    
25. What are firewalls good for? What will a firewall not provide protection against?
    
    
26. How many keys are used in public key cryptography? Who has possession of each key, initially? Who is allowed to have each key as the system is used?
    
    
27. Explain how a message is encrypted and decrypted in a public key scenario. Assume that your are buying something from my commercial web site.
    
    
28. What is the usual visual clue that SSL is active? What does SSL mean?
    
    
29. What is a CA? Where can you find a CA in the real world? Where can you find one in a Novell network?
    
    
30. Assume your employer is deciding between an Organizational CA and an External CA. What business reasons can you offer to support each possibility?
    
    
31. What is NICI? What does Novell use it for in its networks?
    
    
32. What is Denial of Service attack?
    
    
33. What is an eDirectory partition? What is a replica?
    
    
34. What are the possible types of replicas? Which do not contain as much data as the others?
    
    
35. What are possible reasons to create partitions? What rules tell us where you may or may not create a partition?
    
    
36. What are simple changes in a replica? What are complex changes? When changes are made, what must be done, assuming minimum standards have been met.
    
    
37. How can you predict what servers will hold replicas under the default scenario for a Novell network?
    
    
38. How many replicas is a server allowed to hold? How many replicas of a single partition does Novell caution you to limit yourself to?
    
    
39. How many objects can you place in a tree? How many objects should you limit yourself to in a partition?
    
    
40. What are parent and child partitions? How many children may a parent have? How many parents may a child have?
    
    
41. What is a subordinate reference? How is a subordinate reference created?
    
    
42. What must you do in order to create a new partition? How can you move a partition that has children?
    
    
43. Why does a network have to keep track of time?
    
    
44. What is GMT? What is UTC?
    
    
45. Which Novell servers will be time servers in a network?
    
    
46. What are the possible time server types in an IPX network?
    
    
47. What are the critical time-related NLMs for a network that uses both IPX an IP?
    
    
48. What is a potential problem in a Single Reference time scenario?
    
    
49. When may an NTP time server reject the time given to it by another server?
    
    
50. What are the three sections of the iMonitor screen?
    
    
51. What is the full path to the configuration file for iMonitor?
    
    
52. What does Novell mean by the term "Directory Service Agent"?
    
    
53. iMonitor includes several references to delta values. What is Time Delta Tolerance? What is Maximum Ring Delta? What is Perishable Data Delta?
    
    
54. What is a DIB set? What are the four kinds of files you would expect to find in one?
    
    
55. What does Novell mean by an eDirectory obituary?
    
    
56. What is the difference between Block Cache and Entry Cache?
    
    
57. What are the preferred ratios between Block Cache and the eDirectory database, and between Entry Cache and the eDirectory database?
    
    
58. How do you calculate the amount of memory a server will use for cache if it dynamically adjusts? What do you need to know in order to calculate this?
    
    
59. By default, how often will a server perform the calculation above?
    
    
60. What options may be used when using Fixed Memory Limit on cache?