Review Questions
2. B
4. B
6. A, C
8. B, C
10. A
12. B
14. True
16. D
18. A
20. A, C, D
Hands On Projects
12-1
1. OK 2. OK 3. Just one device, eth0 for the Ethernet. Just one driver for that device. 4. Most likely when the system was first installed. OK 5. OK 6. OK 7. 8. OK 9. OK 10. The old one as the script has not been read since it was modified. OK 11. OK 12. The new one as the modified script was read at boot.Yes 13. OK 14. OK 15. The modified configuration. 16. OK

12-2 1. OK 2.

3. No DNS servers have been setup. 4. Files then dns. 5. an entry for: 127.0.0.1 server1 localhost.localdomain localhost 6. Yes 7. Yes 8. Yes it was resolved, but not available to contact. 9. Yes it was resolved, but not available to contact. 10. OK
12-3
1. OK 2. 204.152.189.116, yes, zeus-pub.kernel.org. 3. nslookup lists the IP of your DNS server. 4. Detailed query information and statistics. 5. OK
12-4
1. OK 2. 10.0.2.2 3. OK 4. Yes it will interfere with the default gateway. 5. 30 6. No, and at least 1. 7. Ok
Discovery Assignments
1.
Subnet mask = 255.240.0.0
Hosts per network = 220-2
First five ranges are:
100.0.0.1–100.15.255.254
100.16.0.1–100.31.255.254
100.32.0.1–100.47.255.254
100.48.0.1–100.63.255.254
100.64.0.1–100.79.255.254

2.
The cat command is run on the remote system; to display the results of a text file to the local terminal on your machine, you just save this to a file on the local machine instead using redirection. The cat command cannot be used to save a binary file in this manner as it only works on text files.
3. You must first purchase a domain from a domain registrar such as godaddy.com or networksolutions.com. There are lots of them and you can simply Google "domain registrar" to find one. A couple domain names available would be, www.superdupernoobpwnerpooper.com www.whereismyface.com, and finally, www.isthisreallifeoramijusthigh.com

Chapter 13
Review Questions
2. D
4. False
6. B
8. B, C
10. True
12. True
14. True
16. A
18. A
20. D
Hands On Projects
13-1
1. OK 2. OK 3. OK 4. OK 5. OK 6. OK 7. OK 8. OK 9. OK 10. OK

13-2 1. OK 2. OK 3. OK 4. OK 5. OK 6. OK 7. 1 Hour is the default TTL is how long data will remain in other name servers cache. 8. The two records include, Zone Authority Information (SOA) and Name Server localhost (NS) 9. OK 10. OK 11. OK 12. OIK 13. YES 14. YES 15. OK 16. OK 17. OK 18. OK 19. OK 20. YES because we just added it. 21. YES because we just added it. 22. YES because we just added it. 23. YES with % Packet loss. It was transmitted from ds-any-fp3-real.wal.b.yahoo.com 24. YES. 25. YES AND YES 26. No 27. NO 28. The names of the resources. 29. OK
13-3
1. OK 2. There are no runlevels with the ntp daemon. All of them are off. 3. OK 4. OK 5. OK I was able to get the offset to -0.000905. 6. OK, I was surprised to see there’s 3 servers I’m synched to. 7. OK
13-4
1. OK 2. /var/www/html 3. Index.html index.html.var 4. Apache 5. Apache 6. NO 7. The Apache Daemons were started. 8. OK 9. OK 10. Yes 11. .054 ms 12. N/A 13. OK 14. Yes 15. NO 16. OK 17. Yes 18. The root admin owns it and it uses other. 19. Forbidden 20. OK 21. OK 22. OK 23. OK
13-5
1. OK 2. OK 3. OK 4. Samba and NETBIOS daemons. 5. Yes, Yes. 6. OK 7. Yes 8. OK 9. OK 10. No 11. OK 12. YES 13. OK 14. YES 15. OK 16. OK
13-6
1. OK 2. NO and OK 3. OK 4. OK 5. Yes, SSH, internet, ipp, apache. 6. The NFS filesystem. 7. The mounted directory of NFS and YES they are identical. 8. OK 9. OK
13-7
1. OK 2. OK 3. OK 4. OK 5. OK 6. OK 7. OK 8. OK 9. YES 10. OK 11. OK 12. OK 13. OK 14. YES 15. OK 16. OK 17. OK 18. OK 19. YES 20. YES 21. Wrong Directory 22. OK 23. OK 24. OK 25. OK 26. OK 27. OK 28. OK 29. OK 30. FTP dir 31. Root Dir 32. OK
13-8
1. OK 2. Yes 3. OK 4. OK 5. OK 6. OK 7. Yes it shows up 220 localhost.localdomain ESMTP Sendmail 8.14.4/8.14.4 8. No it doesn’t, the command was unrecognized. 9. OK
13-9
1. OK 2. No it isn’t installed. 3. OK 4. OK 5. OK 6. OK 7. OK 8. OK 9. OK 10. OK 11. YES 12. 70 characters 13. OK 14. OK 15. OK 16. OK 17. OK 18. OK 19. OK 20. OK 21. OK 22. OK
Discovery Questions
1. OK
2. OK
3. OK
4. OK