Network Engineer Interview Questions and Answers
Question - 11 : - What Is Ris? What Is Imaging/ghosting?
Answer - 11 : -
RIS stands for remote installation services. You save the installed image on a windows server and then we use RIS to install the configured on in the new hardware. We can use it to deploy both server and client OS. Imaging or ghosting also does the same job of capturing an installed image and then install it on a new hardware when there is a need. We go for RIS or iamging/ghosting because installing OS everytime using a CD can be a very time consuming task. So to save that time we can go for RIS/Ghosting/imaging.
Question - 12 : - What Is Vpn And How To Configure It?
Answer - 12 : -
VPN stands for Virtual private network. VPN is used to connect to the corporate network to access the resources like mail and files in the LAN. VPN can be configured using the stepsmentioned in the KB:
Question - 13 : - Your System Is Infected With Virus? How To Recover The Data?
Answer - 13 : -
Install another system. Insall the OS with the lates pathces, Antivirus with latest updates. Connect the infected HDD as secondary drive in the system. Once done scan and clean the secondary HDD. Once done copy the files to the new system.
Question - 14 : - What Is The Difference Between A Switch And A Hub?
Answer - 14 : -
Switch sends the traffic to the port to which its meant for. Hub sends the traffic to all the ports.
Question - 15 : - What Is A Router? Why We Use It?
Answer - 15 : -
Router is a switch which uses routing protocols to process and send the traffic. It also receives the traffic and sends it across but it uses the routing protocols to do so.
Question - 16 : - What Are Manageable And Non Manageable Switches?
Answer - 16 : - Switches which can be administered are calledmanageable switches. For example we can create VLAN for on such switch. On no manageable swiches we can't do so.
Question - 17 : - What Is Nic?
Answer - 17 : -
A network card, network adapter or NIC (network interface controller) is a piece of computer hardware designed to allow computers to communicate over a computer network
Question - 18 : - What Is A ‘link’?
Answer - 18 : -
A link refers to the connectivity between two devices. It includes the type of cables and protocols used in order for one device to be able to communicate with the other.
Question - 19 : - What Are The Types Of Lan Cables Used?
Answer - 19 : -
There are two types of LAN cables used – ‘Cat 5’ and ‘Cat 6.’ Cat 5 can support 100Mbps of speed while Cat 6 can support 1Gbps of speed.
Question - 20 : - What Are ‘firewalls’?
Answer - 20 : -
Firewalls serve to protect an internal network from external attacks.