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Answer each of the following problems in detail:

problem1) Bob has been given the task of changing the IP address and enabling telnet access on a CISCO 2950 enterprise switch.
The current IP address is 10.10.10.2/8 the new IP address is 10.0.0.2/24
The enterprise switch has an encrypted password which Bob has no way of determining.

a) describe the process Bob would take to get around the password

b) describe all of the commands needed for Bob to successfully accomplish the IP address change and telnet access

problem2) describe everything you can tell from the following:

a) 00-01-00-01-13-FD-F4-C0-00-1E-33-92-CE-99
b) fe80::2c1e:18af:749b:91c5%12
c) 2002:8b64:6e3a::8b64:6e3a
d) ::01

problem3) The following information was obtained from a host:

IP address……………205.133.127.8/24
Default Gateway…… 205.133.127.1
DNS Server………….139.100.110.10
HOSTS file entry’s
131.183.10.40 foxnews.com
127.0.0.1 cnn.com
Describe the sequence of events (in detail) that would occur if this host attempts to:

a) Load the Web Site (using a Web Browser) of the following Domain Names.
http://www.foxnews.com
http://www.myut.utoledo.edu
http://www.cnn.com

b) Ping the following Domain Names.
foxnews.com
myut.utoledo.edu
cnn.com

problem4) describe each of the good ‘Network Design goals’ as discussed in class.

problem5) After powering up his PC, Bob notices the PC was not able to properly connect to network devices. He obtained the following information from his workstation:
C:\>ipconfig
Windows IP Configuration
Ethernet adapter El90x1:
Connection-specific DNS Suffix….:
IP Address. . . . . . . . ………………: 169.254.55.187
Subnet Mask . . . . . . …………….. : 255.255.0.0
Default Gateway . . . …………….. :
He called the IT department for help (he was on hold for 5 minutes). When the IT tech support person got on the phone, Bob’s PC had already begun working properly. Bob then obtained the following information from his workstation.
C:\>ipconfig
Connection-specific DNS Suffix….:
IP Address. . . . . . . . ………………: 139.100.110.50
Subnet Mask . . . . . . …………….. : 255.255.0.0
Default Gateway . . . …………….. : 139.100.110.1

a) describe in detail what occurred.

b) How can Bob account for the first IP stack entries?

c) How would you describe the changes to the IP stack?

problem6) SSK Software Corporation has opened an office in Toledo, Ohio. The office will have a wireless Wi-Fi (WLAN), and a Corporate wired Ethernet LAN. Workstation requirements are as follows:
Users Workstations Planned Expansion
Accounting Dept. 20 14
All other Dept’s 105 15
Wireless Users 23 0
The Corporate plan is to Subnet the Accounting Department, the Wireless Network and the rest of the wired network. The goal is to keep the accounting data private and secure.

a) Propose a IP network scheme to accommodate the needs of the office above. Your proposal should incorporate the most efficient use of network/host using VLSM and a second option using FLSM. Provide pluses and minuses for each option.

b) Select one of your options from answer (a) above to use in developing a network number scheme and assign IP addresses to devices (such as PC’s, printers, switches). Create a table for the entire network applying this scheme.

c) Design a Network Security Policy for SSK Software. Assume SSK Software currently has no network security hardware/Software. What items would SSK Software need to purchase in order to implement the Security Policy?

d) describe all Security measures you would recommend to SSK Software.

problem7) ACME Corp is located in Toledo, Ohio. They would like to create a network and divide it into 3 subnets, each subnet has 150 computers. The IT plan calls for connecting the LAN to the Internet. ACME Corp. has elected to use public IP address space on all computers.
Their ISP has restricted the IP ranges to the ones below. The ISP’s Network Administrator is on vacation – you have been asked to fill-in and select a range of addresses that will satisfy ACME Corp.’s needs with the least amount of wasted IP addresses. Propose a range of addresses for ACME Corp. and describe your answer.

225.113.8.0/24
225.113.9.0/24
192.168.0.0/16
63.127.136.0/24
63.128.135.0/24
63.128.136.0/24
63.128.137.0/24
63.128.138.0/24
206.122.148.0/24
10.0.0.0/8
63.125.138.0/24
63.126.137.0/25
63.128.139.0/24

problem8) The following information was obtained from a host computer:

00:05:17.176507 74.125.228.54.1270 > 64.254.128.66.25: S 2688560409:2688560409(0) win 16384 (DF) (ttl 46, id 20964)
00:05:17.176700 64.254.128.66.25 > 74.125.228.54.1270: S 774583594:774583594(0) ack 2688560410 win 8760 (DF) (ttl 64, id 35473)
00:05:17.302784 74.125.228.54.1270 > 64.254.128.66.25: . ack 1 win 17520 (DF) (ttl 46, id 21021)
00:05:17.906230 64.254.128.66.25 > 74.125.228.54.1270: P 1:93(92) ack 1win 8760 (DF) (ttl 64, id 35502)
00:05:18.021955 74.125.228.54.1270 > 64.254.128.66.25: P 1:29(28) ack 93 win 17520 (DF) (ttl 46, id 21354)
00:05:18.023785 64.254.128.66.25 > 74.125.228.54.1270: P 93:184(91) ack 29 win 8760 (DF) (ttl 64, id 35505)
00:05:18.140187 74.125.228.54.1270 > 64.254.128.66.25: P 29:67(38) ack 184 win 17520 (DF) (ttl 46, id 21464)
00:05:18.174986 64.254.128.66.25 > 74.125.228.54.1270: P 184:229(45) ack 67 win 8760 (DF) (ttl 64, id 35514)
00:05:18.289620 74.125.228.54.1270 > 64.254.128.66.25: P 67:99(32) ack 229 win 17520 (DF) (ttl 46, id 21594)
00:05:18.298831 64.254.128.66.25 > 74.125.228.54.1270: . ack 99 win 8760 (DF) (ttl 64, id 35523)
00:05:18.353209 64.254.128.66.25 > 74.125.228.54.1270: P 229:273(44) ack 99 win 8760 (DF) (ttl 64, id 35524)
00:05:18.469836 74.125.228.54.1270 > 64.254.128.66.25: P 99:105(6) ack 273 win 17520 (DF) (ttl 46, id 21661)
00:05:18.474644 64.254.128.66.25 > 74.125.228.54.1270: P 273:323(50) ack 105 win 8760 (DF) (ttl 64, id 35529)
00:05:18.607459 74.125.228.54.1270 > 64.254.128.66.25: P 105:1129(1024) ack 323 win 17520 (DF) (ttl 46, id 21704)
00:05:18.615449 74.125.228.54.1270 > 64.254.128.66.25: . 1129:2589(1460) ack 323 win 17520 (DF) (ttl 46, id 21705)
00:05:18.695594 64.254.128.66.25 > 74.125.228.54.1270: . ack 2589 win 8760 (DF) (ttl 64, id 35538)
00:05:18.818813 74.125.228.54.1270 > 64.254.128.66.25: P 2589:3698(1109) ack 323 win 17520 (DF) (ttl 46, id 21827)
00:05:18.834821 64.254.128.66.25 > 74.125.228.54.1270: P 323:367(44) ack 3698 win 8760 (DF) (ttl 64, id 35552)
00:05:18.979682 74.125.228.54.1270 > 64.254.128.66.25: P 3698:3704(6) ack 367 win 17520 (DF) (ttl 46, id 21900)
00:05:18.979877 74.125.228.54.1270 > 64.254.128.66.25: F 3704:3704(0) ack 367 win 17520 (DF) (ttl 46, id 21901)
00:05:18.979957 64.254.128.66.25 > 74.125.228.54.1270: . ack 3705 win 8754 (DF) (ttl 64, id 35571)
00:05:18.983169 64.254.128.66.25 > 74.125.228.54.1270: F 412:412(0) ack 3705 win 8760 (DF) (ttl 64, id 35574)

a) Describe what is occurring and how do you know?

b) Was the entire transaction completed?

c) Did this transaction use TCP, UDP or something else? How do you know?

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