Explanation: A cable tester is a tool that can help identify issues with the physical cabling, such as breaks or improper terminations, which may prevent the access point from reaching the internet.

See the solution configuration below in Explanation.

See explanation below.
Explanation:
On the first exhibit, the layout should be as follows





Exhibit 2 as follows
Access Point Name AP2



Exhibit 3 as follows
Access Point Name AP3

* Definition of ESP (Encapsulating Security Payload):
* ESP is a part of the IPsec protocol suite designed to provide confidentiality, integrity, and authenticity of data by encrypting the payload and optional ESP trailer.
* Ensuring Confidentiality:
* Encryption:ESP encrypts the payload, ensuring that the data remains confidential during transmission. Only authorized parties with the correct decryption keys can access the data.
* Modes of Operation:ESP can operate in transport mode (encrypts only the payload) or tunnel mode (encrypts the entire IP packet), both providing strong encryption to secure data between sites.
* Comparison with Other Protocols:
* GRE (Generic Routing Encapsulation):A tunneling protocol that does not provide encryption or security features.
* IKE (Internet Key Exchange):A protocol used to set up a secure, authenticated communications channel, but it does not encrypt the data itself.
* AH (Authentication Header):Provides integrity and authentication for IP packets but does not encrypt the payload.
* Implementation:
* Use ESP as part of an IPsec VPN configuration to encrypt and secure communication between
* two sites. This involves setting up IPsec policies and ensuring both endpoints are configured to use ESP for data encryption.
References:
* CompTIA Network+ study materials on IPsec and secure communication protocols.

Understanding Subnetting:
Original Network: 192.168.1.0/24 has a subnet mask of 255.255.255.0, which allows for 256 IP addresses (including network and broadcast addresses).
Objective: Divide this network into two equal subnets.
Calculating Subnet Mask:
New Subnet Mask: To divide 192.168.1.0/24 into two equal halves, we need to borrow one bit from the host portion of the address, changing the subnet mask to 255.255.255.128 (/25).
Subnet Breakdown:
First Subnet: 192.168.1.0/25 (192.168.1.0 - 192.168.1.127)
Second Subnet: 192.168.1.128/25 (192.168.1.128 - 192.168.1.255)
Verification:
Each subnet now has 128 IP addresses (126 usable IP addresses, excluding the network and broadcast addresses).
Comparison with Other Options:
255.255.0.0 (/16): Provides a much larger network, not dividing the original /24 network.
255.255.254.0 (/23): Also creates a larger subnet, encompassing more than the original /24 network.
255.255.255.0 (/24): Maintains the original subnet size, not dividing it.
Reference:
CompTIA Network+ study materials on subnetting and IP addressing.