Junior Network Engineer Interview Questions and Answers

DHCP is a protocol used to assign IP addresses to devices on a network. DORA is the process used by DHCP to assign IP addresses.

• DHCP stands for Dynamic Host Configuration Protocol

• DHCP assigns IP addresses to devices on a network

• DORA stands for Discover, Offer, Request, Acknowledge

• Discover: Client broadcasts a message to find available DHCP servers

• Offer: DHCP server responds with an IP address and other configuration information

• Request: Client requests the offered IP address

• Ac...read more

Network connections are established through various mechanisms such as wired, wireless, VPN, etc.

• Network connections can be established through wired connections like Ethernet cables

• Wireless connections use protocols like Wi-Fi, Bluetooth, etc.

• VPN connections use encryption to create a secure connection over the internet

• Network connections can also be established through cellular networks like 4G, 5G, etc.

DNS stands for Domain Name System. It is a hierarchical decentralized naming system for computers, services, or other resources connected to the internet or a private network.

• DNS translates domain names into IP addresses

• DNS uses a distributed database to store information about domain names and their corresponding IP addresses

• DNS zones are a way of dividing up the DNS namespace into smaller, more manageable sections

• There are two types of DNS zones: forward lookup zones and re...read more

The command for OSPF is 'router ospf' followed by the OSPF process ID.

• To enter OSPF configuration mode, use the 'router ospf' command.

• The OSPF process ID is a number between 1 and 65,535.

• Example: 'router ospf 1' would enter OSPF configuration mode with process ID 1.