NTT Interview Questions, Process, and Tips

Ping command is used to test the reachability of a host on an IP network.

• Ping command sends ICMP echo request packets to the target host

• It waits for ICMP echo reply packets to confirm the host's availability

• Ping command helps in troubleshooting network connectivity issues

• It can also be used to measure round-trip time between the source and target host

IPv4 uses 32-bit addresses while IPv6 uses 128-bit addresses.

• IPv4 addresses are written in decimal format (e.g. 192.168.1.1) while IPv6 addresses are written in hexadecimal format (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334).

• IPv4 supports around 4.3 billion unique addresses while IPv6 supports an astronomical number of unique addresses.

• IPv4 has a header length of 20 bytes while IPv6 has a fixed header length of 40 by...read more

A network is a group of interconnected devices that communicate with each other to share resources and information.

• Basic things used in networking include routers, switches, hubs, and cables.

• Network protocols such as TCP/IP, DNS, and DHCP are also essential.

• Network security measures like firewalls and VPNs are important to protect against unauthorized access.

• Monitoring tools like Wireshark and Nagios are used to troubl...read more

BGP is a routing protocol used to exchange routing information between different networks. MPLS is a protocol used for efficient data transfer. Basic router commands include show ip route, show interfaces, etc.

• BGP stands for Border Gateway Protocol and is used to exchange routing information between different networks.

• MPLS stands for Multiprotocol Label Switching and is used for efficient data transfer.

• Basic router com...read more

I have the necessary skills, experience, and passion for the job.

• I have a strong background in network engineering with experience in designing, implementing, and maintaining complex networks.

• I am proficient in various network technologies such as Cisco, Juniper, and Palo Alto.

• I have excellent problem-solving skills and can troubleshoot network issues quickly and efficiently.

• I am a team player and can work collaborativ...read more

My family background is diverse and multicultural.

• My parents are from different countries and cultures, which has given me a unique perspective on the world.

• Growing up, I was exposed to different languages, traditions, and customs.

• My family values education and hard work, which has motivated me to pursue a career in network engineering.

I am a network engineer with 5 years of experience in designing, implementing and maintaining complex networks.

• I have a Bachelor's degree in Computer Science

• I am proficient in Cisco and Juniper routers and switches

• I have experience in configuring firewalls and VPNs

• I am a team player and have excellent communication skills

• I am always eager to learn and keep up with the latest technologies

Looking for growth opportunities and to expand my skill set.

• Current job lacks opportunities for growth and learning

• Seeking a more challenging and dynamic work environment

• Interested in exploring new technologies and expanding my skill set

I am open to discussing a salary that is commensurate with my experience and the responsibilities of the role.

• I am looking for a fair and competitive salary based on industry standards and my qualifications.

• I am willing to negotiate and consider other benefits such as healthcare, retirement plans, and vacation time.

• I am open to discussing performance-based incentives and bonuses.

• I am aware of the salary range for this ...read more

I worked as a Network Engineer at XYZ Company.

• Designed and implemented network infrastructure for multiple clients

• Configured and maintained network devices such as routers, switches, firewalls

• Troubleshot network issues and provided solutions to clients

• Managed network security and implemented security protocols

• Collaborated with cross-functional teams to ensure smooth network operations