Skill/topic: networking basicsa) error-correcting codesb) error deducting codesc) error free networkingd) none of the above
error correcting codes
Hi friends,i want to have a certification in ethical hacking can some please let me know what all the pre requesite to become a certified ethical hacker q1) do one need to know any programming language alongwith it any networking??Q2) which are the best institute in mumbai who provide this certification...
Ethical Hacking means,inspect that the How much your network is secure,how we provide you a better security to our network or show you how much your network is SECURE.
1 programming language(ex. Java bcoz its core language) secondly networking knowledge,data base knowledge,n also server related...
It might be Overheating desktop,may be too many dust,might be any external attached media,may be virus problem,may be os corrupt,it might be some application Software might be goes to problem. Soluti...
There may be any batch file of restart in your startup file.
Why do we use subneting in a network?
Subneting is a process of creating a multiple network by using a single network.
Subneting is use to save the ip address
Example:
Suppose i hva small office , which i need 10 Public ip.
For 10 ip, the entire network is wastage
-in case of broadcast , the subneting is very useful , instant of broadcasting to the whole number of pcs , you can just broadcast to a small group of subnet. -in case of configuration, if you want to...
Can anyone help me out to enable usb on my machine. I tried all the options not working. Its blocked by symantec/centra in my network.
Got to Run den type "Regedit" .....Follow the instructions....
HKEY_LOCAL_MACHINE
SYSTEM
CURRENT CONTROL SET
SERVICE
USBSOTR
Expand the USBSTOR...den click on "start"
change the value 4 to 3
(4 for Disable & 3 for Enable)
if your machine is under the domain or in corporate network,,,the system admin or engineer are the one who can give access to your machine to use "usb"..the "usb" may be blocked for some security purposes of the corporate companies.
What is the difference between ip vpn and internet vpn ? Does both comes with static ip adress?
Both IP VPN as Internet VPN are generalised terms. These are not proper usage terms. Inetnet based VPNs IPsec Layer-3 network level protocol open standard technology SSL/TLS PPTP These VPNs are acce...
What is vlan trunking? How does it work?
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...
Outline the cross and straight cable color codes.
Straight Cable: Both side are same
Orange White
Orange
Green White
Blue
Blue White
Green
Brown White
Brown
Cross-over Cable: First side is same as straight cable
Second side
Green White
Green
Orange White
Blue
Blue White
Orange
Brown White
Brown
Cross cabling is used for connection between 2 similar devices such as Router to Router or peer system and the Colour sequence is G (Green) G (White of Green) O (Orange) B (Brown) B (White Of Brown) O...
How can you access a system in lan when it is not a part of domain?
If the system is not in a part of domain, we can access through ip address. Give same ip range in both system and try to ping it. after reply from another system we can transfer data and informations
One cannot access a system which is not in Lan or not in domain. Either one should add system to domain or use cross cabling if the system in out of lan or not in domain to directly access that system.
Nic stands for network internet card
Skill/topic: networking basicsa) trueb) falseexplanation: nic means network interface card
What is the use of border gateway protocol? What is the administrative value of bgp?
BGP stands for Border Gateway Protocol, BGP is used to communicate to a particular peer on network without disturbing the whole network in an organization.
What is a difference between routing and routed protocols?
Routing Protocol learn route for routed protocol and routed protocol carries user traffic such as Email file transfer.
Routing protocol is used by routers to dynamically find all the networks in the internetwork & to ensure that all routers have the same routing.
Routed protocol is used to send user data through the established network.
How do you troubleshoot when leased lines are down
Check via ping utility,check modem,or any mux device provided by service provider, which power is on/off,also checking via login by username & password into the router by connecting through hyper terminal,or directly login over network.
1. First of all you can check the modem indication if in modem data light is not glowing it means link is down. 2. if you have a router login access you can also check the interface status where the ...
What is a wildcard mask, and how is it different from a netmask?
wildcard mask is contrast to the subnet mask .
for ex . take an class c ip add . 192.168.10.1/24 for this subnet mask will be 255.255.255.0 !
wildcard mask is just opposite to subnet mask ,
wildcard mask for this ip address is 0.0.0.255.
When you want to match certain bits of the IP address and ignore some bits, then you mask the IP address with 0 in bits you want to match and 1 where you want to ignore. The resulting mask is the wild...
_______ loop solutions in networking congesion attempt to solve the problem by good design
Skill/topic: networking basicsa) open b) closed c) none of the above
ans is a).
open look - good design
B. Closed Loop
When our router get damage from branch end then how to take back up from our end?
What is ras server, how we configure in winnt?
RAS is stand for Remote Access Server.
It provide authentication to access our server by a remote location to any user.
Remote Access Server is the ful form of RAS!
Its possible to configure in WIN NT only with the third party RAS utility!
Not inbuided into WIN NT Server OS!
What is definition of e1, e3, t1, t3, bri pri how thay work and what is difference ?
E-1 Similar to the North American T-1, E-1 is the European format for digital transmission. E-1 carries signals at 2.048 Mbps (32 channels at 64 Kbps), versus the T-1, which carries signals at 1.544 M...
A 2.048 Mbps point-to-point dedicated, digital circuit provided by the telephone companies in Europe. E1 is the European counterpart of the North American T1 line, which transmits at 1.544 Mbps, and E...
DHCP: is a dynamic host configuration protocol it is used for dynamically and automatically assign the IP address to the client the Port no: 67/68
DNS: Domain naming system it is used for name regulation that is conversion of host name to IP address port no : 53
DHCP Means,Dynamic Host Configuration Protocol,Which Work on DORA Process,Mean ,DISCOVER,OFFER,REQUEST,ASSIGN.
DHCP,is protocol,Which is used to assign a IP address to computer automatically Means Dynamically.We no need to assign IP Address statically to the computer.