Networking Protocols Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

SNMP (49)
TCP IP (421)
UDP (47)
SS7 (31)

Protocols AllOther (111)

Networking Protocols Interview Questions

Questions Answers Views Company eMail

How do I check if a port is open?

1015

How do I check if my firewall is blocking a port?

1020

How do I check if port 22 is open?

1036

How do I find my server port?

985

How do I find out what program is using a port?

1080

How do I find out what service is using a port?

1028

How do I find what ports are being used on my mac?

1059

How do I know if my ftp port 21 is blocked?

926

How do I stop pid 4 from using port 80?

1026

How do I unblock a port?

1080

Is port 80 open on my network?

1004

Is port forwarding dangerous?

1053

Is port forwarding necessary?

996

What is port address?

992

What is port 135 commonly used for?

1058

Un-Answered Questions { Networking Protocols }

Do sockets use tcp?

970

Explain what is subneting?

1058

What is port 445 commonly used for?

1005

Does ip protect data on the network?

1038

What is the port number of telnet and dns?

1110

What happens when multiple applications open multiple tcp connections?

1104

What is IPv6 (Internet Protocol version 6)? What is multicasting? Explain the headers of packet format of IPv6 and IPv4?

1070

Why is tcp more reliable?

975

How do applications coexist over tcp and udp?

1297

How do you check if smtp port is open?

1057

Is port 80 udp or tcp?

1001

Why is it important to install patches on network systems?

979

Give the name of protocol that is used by DNS name servers?

1099

Explain how many hosts can be on each network? Consider a fixed subnet partition of a class b network number that will accommodate at least 76 networks.?

1328

What is smb used for?

1047

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