Interview preparation for Network Engineers.

Introduction To Switching Table of Contents:- 1.  Layer 2 Technology and problems. 2. Switch and its Functions.  3.  Features of Switches:-     3.1.  Maintains Mac or CAM table. 3.2. Prevents Layer 2 loops. 3.3. Forwarding .          (a). Unicasting.          (b). Broadcasting.         (c). Multicasting.        3.4. Duplexing and Speed. 4. Difference Between Switch and Hub. 5. VLAN (Virtual Local Area Network). 6. VLAN Connections.     6.1. Access Links.    6.2. Trunk Links.        (a). DTP (Dynamic Trunking Protocol). 7.  Interview  questions for Network Engineer asked from Switching basic.  • Layer 2 Technology and problems:- The most common Layer 2 LAN technology is Ethernet and Ethernet comes with 2 main disadvantages-  Distance - Depending on the cabling type the distanc...

 NETWORK UTILITIES (PING, TRACEROUTE, TRACERT) Table of Contents:-   1. Introduction. 2. Network Utilities.  2.1. Ping.  2.2. Traceroute.  2.3. Tracert.        3. I nterview  questions for Network Engineer asked from Network Utilities. Introduction:- Network utilities are software tools that help network administrators and users manage, monitor, and troubleshoot their computer networks. These utilities provide various functions to help optimize network performance, diagnose connectivity issues, and ensure the security of the network.   Network utilities- Ping, Traceroute, Tracert are used to troubleshoot Network Infra, validate the connectivity and trace the path of the traffic or the devices through which the traffic is passing.  Following are the Network Utilities:- 1. PING (Packet Internet Gopher):- Ping is such an important utility of a network, the purpose of ping is to check the connectivity betwe...