Applied Networking

A wired or wireless network interface card (NIC) is required to connect a computer to the network, after it is installed what software configurations have to be done for it to access the network (select two answers) ?

• The NIC driver has to be installed

• The computer has to be powered off

• IP settings must be configured either manually or dynamically

• the network cable has to be connected

A virtual private network (VPN) is a private network that connects remote sites or users together over a public network, like the Internet. Select two correct statements that relate to VPNs in a corporate network.

• Remote-access users can straight away form a secure connection with the corporate private network

• Remote-access users must install the VPN client on their computers to form a secure connection with the corporate private network

• When connected to the corporate private network, users will not be able to access resources as if they were physically connected to the corporate LAN

• When connected to the corporate private network, users become part of that network and have access to all services and resources as if they were physically connected to the corporate LAN

From the list below, select two correct statements in relation to broadband technologies:

• DSL uses the existing copper telephone lines to provide high-speed digital data communication between end users and telephone companies

• Line of sight wireless Internet is not an always-on service that uses radio signals for transmitting Internet access

• Fiber broadband provides faster connection speeds and bandwidth than cable and DSL

• Satellite is not an alternative for customers who cannot get cable or DSL connections

The three main Cloud services models are

• Software as a Service (SaaS)

• Platform as a Service (PaaS)

• Infrastructure as a Service (IaaS)

• Internet as a Service (IaaS)

Hosts need a variety of services to securely access resources on the network and the Internet, select two such services from the list below:

• SSH is a terminal access program that is used to access resources on the internet

• Domain Name Service (DNS) is the method computers use to translate domain names into IP addresses

• Dynamic Host Configuration Protocol (DHCP) dynamically assigns IP addressing information to hosts

• IPS is a kind of firewall that is mandatory in every network or internet.

A network admin wants to setup a security control that will permit users access the organizational network with different access permissions based on their identity and maintain a record of their access to the network. What kind of a security control is necessary for this application ?

• Firewall

• AAA

• IDS

• Filter

What is the use of Advanced Configuration and Power Interface (ACPI) that you find in the BIOS of a notebook computer (Select two answers) ?

• Provides power management for better performance

• Enables the computer to use battery power

• Creates a bridge between hardware and OS

• Creates a network bridge between your application and the OS

Notebook computers come with both Customer Replaceable Units (CRUs) and Field Replaceable Units (FRUs). Identify a CRU from the list below:

• Motherboard

• Battery

• CPU Fan

• HDD

Systematic troubleshooting approach has to be followed to detect and fix problems on computers, laptops, mobile devices etc. What is the first step in this process that enables you to develop an hypnosis in regards to the problem ?

• Identify the problem

• Establish a hypothesis

• Test the hypothesis

• Establish a plan of action

• Document findings, actions, outcomes

Systematic troubleshooting approach has to be followed to detect and fix problems on computers, laptops, mobile devices etc. What is the final step in this process that enables you to fix problems easily the next time it occurs ?

• Identify the problem

• Establish a hypothesis

• Test the hypothesis

• Establish a plan of action

• Document findings, actions, outcomes