Lecturer Computer Science MCQs

Fiber optics posses following properties

Propagation delay depends on:

Most packet switches use this principle

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

Terrestrial radio channels are broadly classifed into _____ groups.

The total nodal delay is given by

Packet sniffers involve

Which of this is not a guided media ?

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

Which of the following is a form of DoS attack ?

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

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

Transmission delay does not depend on

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

UTP is commonly used in

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 attackers a network of compromised devices known as

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

Sniffers can be deployed in

Radio channels are attractive medium because

A local telephone network is an example of a _______ network

In _________ resources are allocated on demand.

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

Geostationary satellites:

Coaxial cable consists of _______ concentric copper conductors.