Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Computer Network & Security Expert

Answer each of the following problems in complete detail:

All answers should be your own work describeed in your own words

1. 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

2. 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

3. 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

4. describe each of the good ‘Network Design goals’.

5. 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?

6. 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.

7. 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

8. 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?

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M91599

Have any Question? 


Related Questions in Computer Network & Security

Select one of the following topics in which you will base

Select one of the following topics in which you will base your responses in the form of a term paper: • Network Neutrality • Web2.0 • Wireless Technology • Broadband Convergence • U.S. Telecommunication Policy • Internet ...

Topic one discuss fisma and its relevance to cybersecurity

TOPIC One: Discuss FISMA and its relevance to cybersecurity. (must be 200 words with references) Topic Two: (must be 200 words with references) Define the terms below and describe the environment in which each access con ...

Assignmentthe vice president of sales for your company has

Assignment The Vice President of Sales for your company has asked you for more information on cloud-based office productivity suites. He tells you that the Sales team is often remote and needs to be able to stay connecte ...

Perimeter securitythe project deliverables are as

Perimeter Security The project deliverables are as follows: • Update the Information Network Security Architecture Design document title page with a new date and project name. • Update your previously completed sections ...

Explain the key differences between symmetric and

Explain the key differences between symmetric and asymmetric encryption. Which can the computer process faster? Which lowers the costs associated with key management? What is a VPN? Why are VPNs widely used?

Windows server deployment proposaleach student will create

Windows Server Deployment Proposal Each student will create a detailed, organized, unified technical solution given the scenario described below. The submission will be in a written format, with at least one diagram, and ...

Assignment services in your arearesearch dsl and cable

Assignment: Services in Your Area Research DSL and cable modem services available closest to your community. You may use neighboring communities or regions if your community does not have access to DSL or cable modem ser ...

Computer sciencenetworks are not perfect and errors will

Computer Science Networks are not perfect, and errors will occur because of software and hardware problems. Network downtime is costly to business operations and should be minimized where economically possible. Part of t ...

1 when an organization undertakes an infosec-driven review

1. When an organization undertakes an InfoSec-driven review of job descriptions, which job descriptions must be reviewed? Which IT jobs not directly associated with information security should be reviewed? 2. List and de ...

1 list and describe the four types of computer networks

1. List and describe the four types of computer networks from largest to smallest.  2. Define client/server computing, packet switching, and TCP/IP.  Explain how these three things make the Internet so powerful and robus ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro