Reference no: EM132387692

Question 1: If you have physical access to the Cisco network appliance (picture right) and it is functioning as normal, what can be an avenue of approach to access configuration data? How would you go about it and what hardware/cabling/ software would you need?

Question 2: List the different WiFi frequency bands and their associated names/standards. Explain how to increase WiFi coverage using different technologies and what security solutions exist to ensure confidentiality.

Question 3: Your operator has delivered you a binary software image, viewed with a hex editor, coming from a CPU you are not familiar with. She states that it was from a RISC 32-bit architecture that is commonly used in many devices. What steps would you take to identify the image? Be as specific as possible. What follow on questions would you ask to facilitate your analysis?

Question 4: Find the current of the circuit diagram on the right, given an EMF of 12V. Show your work. Hint: E = IR.

Question 5: Given the following bash script, explain what the script is doing (Hint: This is on a linux machine)
(for addr in {1..254};
do for port in {20..23} 80;
do
nc -nvzw 1 10.25.0.$addr $port 2>&1;
done&
done) | grep 'open'

Question 6: Convert the following from binary to hex, then from hex to decimal. Show your work.

Hex     Decimal      Binary

0x0f

0x100

0x0d

0xffa

Question 7: Given the figure to teh right and following rules: A row or column never contains the same figure twice. Every row and columns contain the same figures. Which figure belongs where the question mark is? (Circular, Star, Triangle, or Square)

Question 8: Given the network 192.168.2.0/23, an IT department needs three variable-length subnets. For the first subnets, the IT department needs 100, 75, 32 hosts, respectively. Based on the information given, compute the variable-length subnets needed to satisfy the IT department's needs.
Hosts Needed Hosts Given Network ID SN Mask 1st Available IP Last Available IP Broadcast IP

Question 9: Describe a corporate network infrastructure design with which you're familiar and define the critical areas that need to be secured. What vulnerabilities exist and what are methods for mitigation? Prioritize what needs to be secured and what the potential impacts would be if not secured properly.

Information related to above question is enclosed below:

Attachment:- cyberquestions.rar