Networking Questions

Q:

What is Beaconing?

Answer

The process that allows a network to self-repair networks problems. The stations on the network notify the other stations on the ring when they are not receiving the transmissions. Beaconing is used in Token ring and FDDI networks.

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Subject: Networking
Job Role: Network Engineer

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Q:

Which layer 4 protocol is used for a Telnet connection?

A) UDP B) IP
C) TCP D) TCP/IP
 
Answer & Explanation Answer: C) TCP

Explanation:

Telnet uses TCP at layer 4. It uses IP at layer 3. We know that Telnet uses TCP/IP protocol, but in the question, it is asked specifically at layer 4 what is used in Telnet. So it is TCP at layer4 and IP at layer 3.

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Q:

What is the difference between routable and non- routable protocols?

Answer

Routable protocols can work with a router and can be used to build large networks. Non-Routable protocols are designed to work on small, local networks and cannot be used with a router

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Subject: Networking
Job Role: Database Administration

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Q:

What is the minimum and maximum length of the header in the TCP segment and IP datagram?

Answer

The header should have a minimum length of 20 bytes and can have a maximum length of 60 bytes.

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Q:

What does the Mount protocol do?

Answer

The Mount protocol returns a file handle and the name of the file system in which a requested file resides. The message is sent to the client from the server after reception of a client's request.

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Q:

What is NETBIOS and NETBEUI

Answer

NETBIOS is a programming interface that allows I/O requests to be sent to and received from a remote computer and it hides the networking hardware from applications.


NETBEUI is NetBIOS extended user interface. A transport protocol designed by microsoft and IBM for the use on small subnets.

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Q:

TCB is Transfer Control Block

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

NO.It is Transmission Controll Block

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Q:

What is Bandwidth?

Answer

Every line has an upper limit and a lower limit on the frequency of signals it can carry. This limited range is called the bandwidth

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