Bluetooth Interview Questions

Pin 4 & 5 are not used for data communication in RJ45 modular connector.

what is rj-45 conector and what is 45

The GameKit framework contains APIs to allow communications over a Bluetooth network.These APIs allow us to transfer data among the different devices.

Implementing Bluetooth Wireless Technology in End ProductsOver the past few years, Bluetooth technology has been greeted with great enthusiasm from a variety of companies who are keen to implement the...

A Bluetooth enabled device can connect to other Bluetooth enabled devices in proximity. Each device can simultaneously communicate with up to seven other devices within a single piconet.The data betwe...

A Bluetooth device playing the role of the "master" can communicate with up to 7 devices playing the role of the "slave". This network of "group of up to 8 devices" (1 ma...

Bluetooth uses 0.5 BT Gaussian-filtered two-frequency shift keying (2FSK).

Modulation Process used in Bluetooth is GFSK(Gaussian Frequency-Shift Keying)

the modulation is FSK

Bluetooth uses FHSS (Frequency Hopping Spread Spectrum) technique which is used in spread spectrum signal transmission.  To understand Frequency hoping spread spectrum, its is necessary to un...

TCP gives acknowledgement to the recipients where as UDP does not give any acknowledgement to the recipients.

UDP is faster the TCP.

TCP is a connection oriented protocol and UDP is a connection less protocol such as wireless phones.

Turn your mobile bluetooth ON and press *#2820#

You can simply check out your device's specifications sheet on the internet. Your bluetooth version will be clearly mentioned.

DNS(domain name system)its used to covert the host name in to ip address,and ip allocation means each of host name are allocate separate ip its used connect the server

I guess that this question is a TCP question so I will answer it in terms of TCP.To establish a TCP session the sending and receiving TCP applications us a process called the three way handshake.STEP ...

          Blue tooth technology is short-range,low power,wireless communication,that is used in number of electronic devices.                 Bluetooth uses 2.4 GHz ISM band,which is an unlicensed sli...

Bluetooth that is of class A is of range 1000mtrs but beyond that we cannot extend because bluetooth works on standard frequency 2.6ghz but we can increase the range only if we increase the frequency ...

quite good description. but it would be better, if all the article is pointed.

Thank you!

Its... Secure Sockets Layer, a protocol developed by Netscape for transmitting private documents via the Internet. SSL uses a cryptographic system that uses two keys to encrypt data − a public k...

Hi,

What ever type of connection it is TCP cannot go tearing unless and untill the connection type is cut i.e if the connection type is dialup and you hung it up / if it is Ethernet port and you remove the rj 45 chord. No matter what time you send / do not send the data.

(DOS)denial-of-service attack, a type of attack on a network that is designed to bring the network to its knees by flooding it with useless traffic. For all known DoS attacks, there are software fixes that system administrators can install to limit the damage caused by the attacks.

denial of service attack

 traceroute is used to find the quality of internet connection.

the cmd is used as: tracert yahoo.com

depending on the ms values displayed after the processing of the cmd, the latency is found and the quality is determined.

traceroute works by sending packets with low time to live (TTL) fields.  the TTL specifies how many hops the packet is allowed before it is returned.  when a packet can't reach it's des...

ICMP is used to find the existance of another system.

ARP is used to find the MAC address using IP address.

Multicast: A single frame is received by some selected hosts in a network.

Broadcast:A single frame is received by all the hosts in a network.

ICMP:internet control message protocolfor PING command dis ICMP packets will comeARP:ADDRESS RESOLUTION PROTOCOLTo see the properties of TCP/IP protocol, means like if v want to know odar ssystem MAC ...

the receiver will have buffers in order to collect the frames sent by sender. the buffer should not get over loaded. if the buffer becomes full, the receiver sends a stop signal to sender. the sender ...

Regarding broadcast, the packet is sent to all the hosts on the network once.Whereas in flooding, the packets are sent multiple times.As an example if we use a sendto() call to the intended IP's on th...

Hi shaila............

   Ur answer is absolutly correct regarding spoofing

    Recently i have faced one tough question in interview......... i hope u can clear

    Plz tell me the difference between flooding and broadcast?

LDAP, Lightweight Directory Access Protocol, is an Internet protocol that email and other programs use to look up information from a server.

The acronym for LDAP would be Light weight directory access protocol and not light weight data access protocol.

Static routingdyanmic routing(rip, igrp,eigrp and ospf)

plz send explaination ......

static routing and dynamic routing