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

Project on security policyin this running case project you

Project on Security Policy In this running case project, you continue developing a secure network for SunGrafix, the video game development company for which you designed a network in the first week and are starting to p ...

1 assume a system with two processors in series where each

1. Assume a system with two processors in series where each processor has an unlimited queue in front of it; also assume FIFO queue disciplines for both servers. We need to collect data on individual entity total time in ...

This assignment assumes that you are one of the network

This assignment assumes that you are one of the Network Engineer of a small Company which has two branch offices, Branch 1 (BR1), Branch 2 (BR2) and a Headquarter (HQ). The branches need to be interconnected to the Headq ...

Case studyyour company security professionals inc has been

Case study Your company, Security Professionals Inc., has been engaged to perform a wireless and remote connectivity assessment and submit a proposal. The perimeter assessment / current state is included as "Case # 2 - W ...

Maintaining the network please respond to the following-

"Maintaining the Network" Please respond to the following: - Examine three cable maintenance tools that you would consider essential for a network team. Of the three tools that you have examined, determine the one that y ...

Case study wireless and mobile technologiesin this very

Case Study: Wireless and Mobile Technologies In this very competitive climate, many companies are seeking ways to connect with customers in ways that add value. Mobile and wireless computing have become key focal points ...

The us government has put in place ipv6-compliance mandates

The U.S. government has put in place IPv6-compliance mandates to help with the IPv4-to-IPv6 transition. Such mandates require government agencies to have their websites, email and other services available over IPv6. Let' ...

Term paper planning an it infrastructure audit for

Term Paper: Planning an IT Infrastructure Audit for Compliance Note: Chapter 5 of the required textbook may be helpful in the completion of the assignment. The audit planning process directly affects the quality of the o ...

Networking and server landscape of rays foodusing the

Networking and server landscape of Ray's Food. Using the Configuration Scenario Instructions, create a 1-page Systems Diagram in Microsoft Visio, or another diagramming tool, that shows the technical networking and serve ...

Short papercompare and contrast cat 6 unshielded twisted

Short Paper Compare and contrast cat. 6 unshielded twisted pair (UTP), coaxial, and single mode fiber optic cabling types. Describe one or two of the advantages and/or disadvantages associated with using each cable type ...

  • 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