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OS layers
Different kinds of OS layers
anurag.netdeveloper
- Feb 18th, 2011
HardwareFirmwareKernelMemory ManagerInput Output ManagerFile Manager Application layer
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RED in Network congestion is ________________
Skill/Topic: Networking BasicsA) Repeat Early detectionB) Random Early detectionC) Router Early detection D) None of the above
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IIS in Client OS
What is the role of IIS in client OS?
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 RSA
komodosp
- Jun 15th, 2010
Remote Supervisor Adapter.Allows remote control of hardware and operating systems.
nishank_atrey
- May 8th, 2008
Rivest Shaver Hadelman is an algorithm used in Encryption & decryption of the data, in Information Security.
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SCSI port (pronounced skuzzy) stands for
Skill/Topic: Networking BasicsA) System Computer Scanning InterfaceB) Small Computer System InterfaceC) Small Computer System InternetD) System Computer, System Interfaced
ankitsays9
- Jan 14th, 2006
B. Small Computer System InterfaceSCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, y...
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Magnetic Media is an Example of _______ layer
Skill/Topic: Networking BasicsA) Physical LayerB) Data Link LayerC) Network layerD) Application Layer
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When too many packets are present in (a part of) the subnet it is called as __________
Skill/Topic: Networking BasicsA) CongestionB) OptimisationC) NeutralisationD) None of the above
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What is TCP/Ip Stack?
suresh
- Jul 25th, 2006
I want Complete TCP/IP notes.
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Cache Mode
What is Cache Mode? Wat is the use of Cache Mode?
panditume
- Jul 5th, 2011
It stores a copy of your network mailbox, including your messages and other information on your local drive. This allows you to use GroupWise whether or not your network or Post Office Agent i...
Shashidhar.Itagi
- Oct 21st, 2010
While configuring Exchange mail client in outlook for the user. there it shows two modes:1. Cache Exchange Mode2. Offline Mode1. Cache Exchange Mode: Cached mode is generally faster when you'...
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What is ADS & ADSL?
panditume
- Jul 5th, 2011
ADSL is a type of DSL Broadband communications technology used for connecting to the Internet. It is faster than conventional modem.
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ACL and Firewall
How does a firewall differ from ACL?
citizen0100
- Mar 10th, 2011
A ACL is a Active Control List - So you specify a rule in a list of rules that data on a certain ip and or port can access another port and or ip address. In essence its more like a rule in a ro...
Raahul29
- Sep 15th, 2009
ACL Manager lets you control routers and firewalls from your PC . Deploy the same access list to different device types such as Cisco and Juniper. Save time and money in router ACL management. Manage thousands of routers from a single application. Minimize errors in ACL deployment.
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Ethernet
What is the differnce b/w Ethernet And Internet?
panditume
- Jul 6th, 2011
Ethernet is a physical and data link layer technology for LANs. IP use Ethernet as their transmission medium. Data travels over Ethernet inside protocol units called frames. The Internet is a glob...
rrsain
- Aug 4th, 2008
Internet is global network or in other words we can say it is WAN. But Ethernet is a medium that is used to connect computers in a LAN. These computers may be hosts or clients.
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Whats is the difference between router and modem?
mintesnot girma
- Jul 13th, 2011
Router is the device that used to create home network.
modem is the bridge between your computer and your ispdhatchayaniramkumar
- Mar 9th, 2007
RouterA Device which acts as an interface betweeen two networks.It forwards packets based on IP addresses between your ISP's router and either your LAN or your single PC.A router learns ...
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What is the difference between Routed and Routing protocols?
md tauqir-ul-hoda
- Jul 24th, 2011
ROUTED PROTOCOL---? Routed protocol is protocol which words on layer 3 to carries public data.
POURTING PROTOCOL---?Routing protocol is also a protocol which works on layer 3 devices to deciding a route through which send a packet.J Biswal
- Nov 4th, 2008
IP is a routed protocol. A routed protocol is a packet that carries data. It is different from a routing protocol, in that the latter updates routers to let them know which path a packet should traverse.
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VRC and LRC
Calculate the VRC and LRC for the following bit pattern using even parity: 0100110 1110001 1100101 0001010?Find the checksum for the following bit sequence?Assume a 16-bit segment size.10011011010101010111010101110111
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Gateway and Firewall
What is the difference between gateway and firewall?
Praveen KumarJ
- Aug 12th, 2011
A network gateway allows to interface with other networks it can be accomplished by combination of hardware or software A network firewall protects the network ie the incoming or outgoing information...
kalaiyarasan.nallappan
- Jun 9th, 2008
A network gateway joins two networks together through a combination of hardware and software.A network firewall guards a computer network against unauthorized incoming or outgoing access. Network firewalls may be hardware devices or software programs.
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A user can log on to the network but has no internet connection? Explain what could be the problem.
ashbhatt
- Aug 20th, 2011
First check the user account's membership in AD
if account is allowed to access internet check proxy settings
if proxy settings are all ok update the group policy of the client machine and rerun the login script if does not work reinstall the client softwareash
- Aug 20th, 2011
First of all check weather the user account has appropriate membership on the domain to access internet if that is OK please check the proxy settings of the web browser if that is OK too try to refre...
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Internet connection Issue
If someone finds that their Internet connectivity is down, how would you fix the problem?:
Stan
- Aug 23rd, 2011
If someone is using a laptop they may have accidentally turned their wifi connection off. This is fixed by:
Looking for the wifi connection button on the top row of the keyboard. It looks similar to the letter A surrounded by parenthesis. Push it to turn the wifi connection back on.Lokesh M
- Jul 13th, 2011
I would ask them to do the following steps.
Step 1. Reset / Restart the Modem.
If no connection then
Step 2. Reset Network Connection / Restart the PC
If not connection then
Step 3. Call up the Internet Service Provider and log a complaint. -
Mac Address and IP Address
Why we want mac address as well as IP addressWhy one address is not enough in net work
Stan
- Aug 23rd, 2011
This is because different types of devices use different ways of communicating to hosts. Routers for example use the IP or logical address whereas level 2 switches and older HUBS use the MAC address to communicate.
bhatia.tanu
- Dec 11th, 2008
IP Address : Its a 32-bit unique numeric identifier assigned to every host on the network. Its a logical address of any TCP/IP host or a machine (computer).IP address helps a system to be uniquely ide...
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Network Support Interview Questions
Ans