Which of the following can’t be a feature of hub?

• A. Filtering the data
• B. Half duplex transmission
• C. No software association
• D. Star topology architecture

Which of the following are the types present in the hubs?

• A. Passive, active
• B. Active, intelligent
• C. Passive, intelligent, non-intelligent
• D. Passive, active, intelligent

Which of the following is incorrect about hubs?

• A. It does not have intelligence
• B. It has routing tables
• C. It uses broadcast messages
• D. It has no ip address

What is the form of data, that is transmitted in the hub?

• A. Electrical signals
• B. Packets
• C. Frames
• D. Sign waves

Which of the following device belongs to physical layer?

• A. Switch
• B. Hub
• C. Bridge
• D. Router

Which of the following device is a data link layer device?

• A. Router
• B. Switch
• C. Hub
• D. Repeater

What is the maximum speed of the hub for packet broadcasting?

• A. 100 mbps
• B. 10 mbps
• C. 1 mbps
• D. 250 mbps

A hub has full duplex mode of transmission.

• A. True
• B. False
• C.
• D.

What is the hamming distance between the words 1010101, 1100110?

• A. 4
• B. 5
• C. 8
• D. 3

What is the disadvantage of the burst errors over single bit errors in error detection and correction?

• A. Difficult to correct
• B. Difficult to detect
• C. High error rate
• D. Frequent occurring