Network Engineer Questions


Q:

What are 10Base2, 10Base5 and 10BaseT Ethernet LANs

Answer

10Base2—An Ethernet term meaning a maximum transfer rate of 10 Megabits per second that uses baseband


signaling, with a contiguous cable segment length of 100


meters and a maximum of 2 segments.


 


10Base5—An Ethernet term meaning a maximum transfer rate of 10 Megabits per second that uses baseband


signaling, with 5 continuous segments not exceeding 100


meters per segment.


 


10BaseT—An Ethernet term meaning a maximum transfer rate of 10 Megabits per second that uses baseband


signaling and twisted pair cabling.

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Subject: Networking
Job Role: Network Engineer

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Q:

What is cladding?

Answer

A layer of a glass surrounding the center fiber of glass inside a fiber-optic cable.

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Q:

What is passive topology?

Answer

When the computers on the network simply listen and receive the signal, they are referred to as passive because they don’t amplify the signal in any way.


Example forpassive topology - linear bus.

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Q:

One type of liquid contains 25 % of benzene, the other contains 30% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of benzene in the new mixture.

A) 27 % B) 26 %
C) 29 % D) 21 %
 
Answer & Explanation Answer: A) 27 %

Explanation:

Let the percentage of benzene = X
(30 - X)/(X- 25) = 6/4 = 3/2
=> 5X = 135  
X = 27

So, required percentage of benzene = 27 %

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Q:

Frame relay is a packet switching technology operates in the data link layer

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

Explanation:

Frame relay is a packet switching technology. It will operate in the data link layer.

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Subject: Networking
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0 1906
Q:

RIP- Routing Information Protocol

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

Explanation:

It is a simple protocol used to exchange information between the routers.

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Q:

Gateway-to-Gateway protocol is a protocol formerly used to exchange routing information between Internet core routers.

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

Explanation:

It is a protocol formerly used to exchange routing information between Internet core routers.

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Q:

What are the data units at different layers of the TCP / IP protocol suite?

Answer

The data unit created at the application layer is called a message, at the transport layer the data unit created is called either a segment or an user datagram, at the network layer the data unit created is called the datagram, at the data link layer the datagram is encapsulated in to a frame and finally transmitted as signals along the transmission media.

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