Which layer chooses and determines the availability of communicating partners, along with the resources necessary to make the connection; coordinates partnering applications; and forms a consensus on procedures for controlling data integrity and error recovery?

rahul

• Feb 4th, 2014

DataLink Layer

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What are advantages and disadvantages of using ad-hoc networks?

Gudiya123

 Profile Answers by Gudiya123 Questions by Gudiya123

• Oct 5th, 2009

The advantage is that it sets up route in real time (eg bluetooth), the disadvantage is that there is a lot of security problems encountered. (eg tracing the routes and adversaries can act as legitimate node and can easily acquire the data. This needs many secured protocols to be used.

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Why we need port numbers in networking?

njoel

 Profile Answers by njoel Questions by njoel

• Nov 24th, 2009

Port numbers help us to connect computers to the services found on servers.

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Define Leased Line? How does it work?

rahul

• Feb 4th, 2014

Lease line is payable line,which is used by access the internet,,joining two wan, man
two types of communication by lease line,
1)synchronous communication:-speed is fixed
2)asynchronous communication:-speed is variable,which is depends on media,traffic

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How to make VPN in-between two networks?

rahul

• Feb 4th, 2014

VPN between two network,
BY using Software ,CISCO ANY CONNECT,And RSA,and internet .

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What is DNS? How many zones we can create on DNS? What are they?

rahul

• Feb 4th, 2014

DNs:-domain name system
which is used to conversion for name to ip and ip to name.

two types of Zone

1)reverse zone
2)forward zone

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Which Layer provide data flow and sequence number?

kar_sagar28

 Profile Answers by kar_sagar28 Questions by kar_sagar28

• Jul 24th, 2009

Its done by the Transport layer

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What is the use of VLAN?

Kalaiponni

 Profile Answers by Kalaiponni Questions by Kalaiponni

• Dec 1st, 2009

1. Vlan limits the broadcast traffic within the seggregated domain and hence reduces CPU cycles in switches and performance is achieved in Switches.2. Security - the data is delivered only to destined...

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What are the Advantages and Disadvantages of using DHCP?

rahul

• Feb 4th, 2014

Dhcp,Dynamic Host Configuration Protocol,
Advantage:-No need to used the static IP,
Disadvantage:-If network used the DHCP server,
We used the static IP in the network,the network gose down.

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What are the types of memory management? Explain them.

muhammed Shareef

 Profile Answers by muhammed Shareef Questions by muhammed Shareef

• Jul 14th, 2010

Memory management is nothing but the act of managing computer memory. It involves providing the ways to allocate the portion of memory?to programs at their request.It is critical to computer system.

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Explain What are OSPF and RIP?

saurabh.x.kumar

 Profile Answers by saurabh.x.kumar Questions by saurabh.x.kumar

• Jun 9th, 2010

OSPF - Open Shortest Path First is linked state routing protocol. It works on djistra algorithm. RIP is distance vector routing protocol. RIP is available in two version - RIP1 & RIP2.  ...

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Explain how DHCP worksName another way of joining a PC to domain?

njoel

 Profile Answers by njoel Questions by njoel

• Nov 18th, 2009

DHCP just as its name implies, Dynamic Host Configuration Protocal.  It works by assigning IPS dynamically to clients in a network.

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What is the range of Bluetooth?

njoel

 Profile Answers by njoel Questions by njoel

• Nov 18th, 2009

The range of a Blutooth varies from anywhere between 10m and 100m.

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What are advantages and disadvantages of using ad-hoc networks?

srirammsr

 Profile Answers by srirammsr Questions by srirammsr

• Dec 20th, 2009

A computer-to-Computer network is called ad-hoc network. It is established to share documents and files.

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Suppose in DHCP server running network (assigning IP addresses automatically), you connect a Laptop in the same network, now how will the DHCP assign an IP address to and how it will came to know that there’s one new machine added.

Monika009

 Profile Answers by Monika009 Questions by Monika009

• Jul 5th, 2010

Click on address leases, it will show the latest IP assigned as well as machine name.

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How do you configure a Cisco switch or router?

sm_feroz

 Profile Answers by sm_feroz Questions by sm_feroz

• Dec 4th, 2012

One can configure Cisco Switch and Router through Console Port.

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What is the role of IIS in client OS?

rajeev_nu

 Profile Answers by rajeev_nu Questions by rajeev_nu

• May 8th, 2011

IIS stands for Internet Information Services.It provides a windows based machine with www/ftp services.

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What is the difference between Routable and Non-Routable protocol?

rahul

• Feb 4th, 2014

Routable protocol,means which is help in routing,routing means find the best available path in the network,
routable protocol ,RIP,OSPF,EIGRP(cisco proprietary protocol).

Non routable,means,which is used to carries data,like email,file...etc.

non routable,means e.g,IP,smtp,pop.

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What is the difference between juniper and pix firewall?

hitesh

• Sep 15th, 2015

Juniper works on free BSD
Pix work on Pix Os

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What is VLAN trunking? How does it work?

Lokesh M

 Profile Answers by Lokesh M Questions by Lokesh M

• Jan 7th, 2013

VLAN trunking enables single network adapter to act as "n" number of virtual network adapters, "n" has a theoretical upper limit of 4096 VLAN network segments. However it is limited to 1000 VLAN n...

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