Computer Networks quiz 3

1.Which of the following statements is/are NOT True?

Select one:
a. Queuing Delay in case of Switches is ZERO.  {correct}
b. If the queue is empty and no other packet is currently being transmitted then our packets queuing delay will be ZERO  
c. Queuing Delay in case of Hubs is ZERO.


2.To which OSI Layer or Layers does the Ethernet belong?

Network Layer

Data Link Layer

Transport Layer

Physical Layer

Network Layer

Session Layer

Application Layer

Select one:
a.
Data Link Layer and Physical Layer{correct}

b. Network Layer
c. Data Link Layer
d. Physical Layer


3.What is the data transfer rate of a GbE Card?    

Select one:
a. 1 Gbps{correct}
b. 100 Mbps
c. 1 Tbps
d. 10 Mbps

4.Latest version of HTTP is 1.1

Select one:
True
False{correct}


5.In the case study of Gigabit Ethernet which of the following factor contributes more in Delay?

Select one:
a. Queuing Delay{correct}
b. Propagation Delay
c. Transmission Time

6. DHCP Solicitation and DHCP Advertise Messages are meant to do the same thing but use different message formats and different points of origin.

Select one:
True
False{correct}

7.Telnet protocol does not benefit from cache mechanism.

Select one:
True{correct}
False

8.ARP and RARP are different variations of the same protocol.

Select one:
True
False{correct}

9. Reverse DNS Look-up is required for mapping an IP Address to to a TSAP.

Select one:
True
False{correct}

10.In the case study of Gigabit Ethernet if we increase the size of data for each node from 1472 Bytes to 5120 Bytes what would be its effect on utilization of the Network?

Select one:
a. Increase in Utilization  {correct}
b. Decrease in utilization
c. No change in Utilization level