Show Posts in

Network Monitoring interview questions

Name a command line tool which you would use to monitor ip packets on the network. tshark. Which command would you use to monitor and view tcp connections on a Windows server netstat What feature on a switch would you use to monitor traffic on a specific

Linux Networking Interview questions

What command is the equivalent of ipconfig in Windows to view the IP address in Linux ifconfig Which feature on Linux operating systems is used to simulate an Active directory environment FreeIPA Can Linux operating systems communicate with Cisco routers Yes, both support TCP/IP. Name a radius

SSH INTERVIEW QUESTIONS

Which protocol does SSH use at the transport layer TCP What is an equivalent of SSH to remotely connect to a device Secure -FTP, which is also a secure protocol for remote connection. A firewall should be configured to allow incoming SSH communication. Which protocol and number

Windows Networking Interview Questions

Which command would you use to flush DNS cache entries on your Windows computer ipconfig /flushdns Is TCP/IP implementation on Windows and Linux operating systems the same ? Yes. TCP/IP is a vendor neutral protocol. The implementation is same on all operating systems What is the equivalent

TOP 20 NETWORK ADMINISTRATOR INTERVIEW QUESTIONS

The following are the top 20 network administrator interview questions and answers. These are sample questions from the ebook. Does HTTPS use TLS/SSL protocol at the transport layer HTTPS uses TCP at the transport layer. TCP port 443 is used. TLS/SSL is used by HTTPS for encrypting

Networking Protocols interview questions

Which networking protocol can be used to remotely access files on a server FTP protocol. Which networking protocol can be used to view a remote desktop when the client is Windows and Server is Linux VNC. Which protocol does switches use to prevent looping STP Which transport

IPSEC INTERVIEW QUESTIONS

Which UDP ports should be open on a firewall to allow traffic from a L2TP/IPSEC based VPN clients to a PPTP VPN server on the inside UDP port 500 for IKE traffic, UDP port 1701 for L2TP communication between client and server and UDP port 4500 for

VLAN INTERVIEW QUESTIONS

1. Will broadcast traffic on one VLAN reach another VLAN No. VLANs are used to segregate broadcast traffic. 2. Which is the vendor neutral standard used for VLAN Tagging 802.1q 3. Which field in a TCP/IP header does vlan tagging occur. It occurs in the data link

ARP INTERVIEW QUESTIONS

The following are some ARP interview questions 1. Is ARP request packet unicast, multicast or broadcast ? ARP request is a broadcast packet. 2. Does ARP packets use IP header ARP does not use IP header. It is a layer 2 protocol. 3. Can routers process ARP

DNS INTERVIEW QUESTIONS AND ANSWERS

The following are DNS interview questions and answers. 1. Which port does DNS clients use to connect to the DNS server. DNS Clients do not use any specific ports. They use dynamic ports. During the time the DNS client initiates the request, the operating system would assign