What are Computer Policies Computer policies are a group of rules that govern the use of computers and information systems (Rhodes-Ousley, 2013, p.124). The leading collection of rules that make up computer policies are ...
Noise Removal: Analog or Digital Signal
Question Noise will be inevitable, which causes errors to the data. What type of noise is difficult to remove from analog and digital signals? Is noise easier to remove from analog or digital signals? ...
Communication Backbones in Metropolitan Area Networks (MANs)
Question Metropolitan Area Networks or MANs utilize high data rates, are highly reliable, and have low data loss. Summarize the two types of communication backbones that are used by MANs. Which of the backbones ...
Explain the Functionality of a Firewall and give an Example of a Firewall
Functionality of a Firewall Firewall is a hardware or software-based security system that controls network traffic entering or leaving a network (Rouse, 2014). Firewalls have important functionalities whether implemented for network security or access ...
Explain the Strengths and Weaknesses of a Firewall
Definition of Firewall White (2015), defines firewall as a set of systems implemented to authenticate and control how users access and use networks. Although firewall is very important for protection of data, network users ...
Compare and contrast Static NAT and Dynamic NAT
Static NAT Versus Dynamic NAT Static NAT employs a 1:1 mapping technique between internal and external IP addresses. This mapping technique is often utilized when devices within the local or internal network are supposed ...
Describe a Network Address Translation (NAT) and Provide an example of NAT
Network Address Translation (NAT) Network Address Translation (NAT) is an Internet Protocol (IP) conservation technique that allows network users to have many IP addresses locally and one or few global addresses (Forouzan & Fegan, ...
Ring, Star, and Bus Network Topologies: Advantages, Disadvantages and Applications
Introduction A network topology is a pattern that devices are connected into local area network (LAN), in a short, which mostly uses some sort of cabling methodologies, such as copper wire and fiber-optic cable. ...
Multiplexing: FDM, TDM, and DWDM
What is Multiplexing Multiplexing is described by Forouza and Fegan (2007) as a set of procedures used to concurrently transmit several signals over a particular data link. The main goal of multiplexing is efficiency. ...
Network Operation System (NOS) – Windows Enterprise OS
What is an Operating System (OS)? An Operating System (OS) is a computer program installed to the computer on its initial boot up and used to manage other software and the hardware components while ...