Computer Science MCQs

Which of this is not a guided media ?

Geostationary satellites:

Packet sniffers involve

The resources needed for communication between end systems are reserved for the duration of session between end systems in

The attackers a network of compromised devices known as

A local telephone network is an example of a _______ network

In a network, If P is the only packet being transmitted and there was no earlier transmission, which of the following delays could be zero

Coaxial cable consists of _______ concentric copper conductors.

UTP is commonly used in

Transmission delay does not depend on

The DoS attack is which the attacker sends deluge of packets to the targeted host

The DoS attack is which the attacker establishes a large number of half-open or fully open TCP connections at the target host

As the resouces are reserved between two communicating end systems in circuit switching, this is achieved

Which of the following is a form of DoS attack ?

Fiber optics posses following properties

In _________ resources are allocated on demand.

Terrestrial radio channels are broadly classifed into _____ groups.

In a network, If P is the only packet being transmitted and there was no earlier transmission, which of the following delays could be zero

The total nodal delay is given by

If end to end delay is given by dend-end = N(dproc + dtrans + dprop) is a non congested network. The number of routers between source and destination is

Radio channels are attractive medium because

Method(s) to move data through a network of links and switches

Propagation delay depends on:

Sniffers can be deployed in

Most packet switches use this principle