Ethernet - Computer Networks Questions and Answers

1.

Ethernet frame consists of

   A.) MAC address
   B.) IP address
   C.) both (a) and (b)
   D.) none of these

Answer: Option 'A'

MAC address

2.

MAC address is of

   A.) 24 bits
   B.) 36 bits
   C.) 42 bits
   D.) 48 bits

Answer: Option 'D'

48 bits

3.

What is stat frame delimeter (SFD) in ethernet frame?

   A.) 10101010
   B.) 10101011
   C.) 00000000
   D.) 11111111

Answer: Option 'B'

10101011

4.

What is autonegotiation?

   A.) a procedure by which two connected devices choose common transmission parameters
   B.) a security algorithm
   C.) a routing algorithm
   D.) none of these

Answer: Option 'A'

a procedure by which two connected devices choose common transmission parameters

5.

A point-to-point protocol over ethernet is a network protocol for

   A.) encapsulating ehternet framse inside PPP frames
   B.) encapsulating PPP frames inside ethernet frames
   C.) for security of ethernet frames
   D.) for security of PPP frames

Answer: Option 'B'

encapsulating PPP frames inside ethernet frames

6.

Ethernet in metropolitan area network (MAN) can be used as

   A.) pure ethernet
   B.) ethernet over SDH
   C.) ethernet over MPLS
   D.) all of the mentioned

Answer: Option 'D'

all of the mentioned

7.

The maximum size of payload field in ethernet frame is

   A.) 1000 bytes
   B.) 1200 bytes
   C.) 1300 bytes
   D.) 1500 bytes

Answer: Option 'D'

1500 bytes

8.

High speed ethernet works on

   A.) coaxial cable
   B.) twisted pair cable
   C.) optical fiber
   D.) none of these

Answer: Option 'C'

optical fiber

9.

An ethernet frame that is less than the IEEE 802.3 minimum length of 64 octets is called

   A.) short frame
   B.) run frame
   C.) mini frame
   D.) man frame

Answer: Option 'B'

run frame


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