For large networks, which network topology is commonly used?

Which of the following protocols is commonly used on the internet?

If an Optical Carrier is represented as OC-n, the link speed is generally (in Mbps):

A subnet has been assigned a subnet mask of 255.255.255.192. What is the maximum number of hosts that can belong to this subnet?

In a virtual-circuit network, each packet contains

In a Bluetooth piconet, one master device:

Which router function allows the dumping of invalid packets for a specific network instead of forwarding?

If the digital data rate is 9600 bits per second (bps) and it is encoded using 8-level phase shift keying (8-PSK) modulation, what is the modulation rate in bands?

The path layer of SONET is responsible for the movement of a signal across a physical line.

Which of the following is true about a Metropolitan Area Network (MAN)?