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Computer Networking
Computer networks are collections of computers which are connected together in order to communicate and transfer information. Questions about computer networks, networking protocols, and how to set them up belong here.
18,810 Questions
Is peer to peer networking can be use by straight row?
Yes, peer to peer can be implemented in linear bus topology.
Transport layer three-way handshake?
for establishing connection between the end systems
here we have 3 steps
sender receiver
sync bit ==1
1................................................>>>>
reply to sync bit + sync bit of receiver
2. <<<< .................................................
replay to R sync bit
3. ....................................................>>>>>
whole process is in three steps so we call it as three way handshake
What are 4 advantages that the osi model brings to networking?
This bring layer approach
due to this network troubleshooting is so easy , - Determine the symptoms, Isolate the problem., Fix the problem.
What are two reasons you would use DHCP on your network?
The Dynamic Host Configuration Protocol (DHCP) is a network management protocol commonly used for (among other things) assigning dynamic IP addresses to network clients. The primary benefit of using this technology is you can take a finite amount of IP address space and partition it out to transient users as it is needed, reclaiming addresses no longer in use. The use of DHCP also saves end users and desktop administrators from manually assigning IP addresses to systems. Let's look at how DHCP works.
When configuring DHCP, the network administrator sets a value known as the DHCP lease. This is the amount of time a system may retain an IP address without contacting the DHCP server. When the time expires, the system must reach out to the server and request a renewal of the DHCP lease. Generally speaking, DHCP leases are set to a long period of time (measured in days) on stable networks where the same systems are generally present from day-to-day. On the other hand, networks with many transient users (such as public hotspots) typically have short lease times to allow the efficient reuse of addresses.
DHCP churn is a term used to describe the fact that different systems may obtain the same IP address from a DHCP server when the first system's lease expires. This really isn't a problem, except in two special cases:
- You're trying to track systems for some purpose and don't have access to the DHCP logs. For example, if you're maintaining a spam blacklist and a spamming system shows up on your blacklist with a DHCP-provided address, you may inadvertently block future users of that address from sending mail.
- You're a researcher measuring the prevalence of some phenomenon across the Internet and use IP addresses to track systems. If a single system exhibits your target behavior, but has many different dynamically assigned addresses, it might skew your results.
The bottom line is, unless you're in one of those two very special cases, DHCP churn isn't a big deal. You should set your DHCP lease lifetime based upon your expected users needs and not worry about this issue.
*This answer was taken from the related link.
What will happen of you use all your ports in a network switch?
Nothing; the switch works the same if you use all ports, or only a few.
If you need to connect additional computers, you can either get a larger switch, or connect two switches between themselves.
Nothing; the switch works the same if you use all ports, or only a few.
If you need to connect additional computers, you can either get a larger switch, or connect two switches between themselves.
Nothing; the switch works the same if you use all ports, or only a few.
If you need to connect additional computers, you can either get a larger switch, or connect two switches between themselves.
Nothing; the switch works the same if you use all ports, or only a few.
If you need to connect additional computers, you can either get a larger switch, or connect two switches between themselves.
A time line is pretty easy to make. You have dates and then next to them you write the event that happened. Below is an example of a time line that i made.
1803. Louisiana Purchase1818. Treaty of 1818 was signed- allowed for joint occupation of the Oregon County1819. Adam- Onis Treaty (Transcontinental Treaty) is signed1825. Stephen Austin brings 300 families to settle in Texas1835. Texas Revolution begins1836. James Bowie dies at the Battle of the Alamo
. Antonio Lopez de Santa Anna's forces defeat the Texans at the Alamo and at Goliad
. Sam Houston named as the first president of the Lone Star Republic
. Texas declares its independence from Mexico. Texan defenders of the Alamo are all killed during siege by the Mexican Army. Texans defeat Mexicans at San Jacinto.1842Webster-Ashburton Treaty- settles boundaries between Maine and New Brunswick, along the Great Lakes1844Election of 1844 takes place. Polk emerges victor1845U.S. annexes Texas by joint resolution of Congress.
.James Polk is inaugurated as the 11th president.
. The term "manifest destiny" appears for the first time in a magazine article by John L. O'Sullivan. It expresses the belief held by many white Americans that the United States is destined to expand across the continent.1846Oregon Treaty fixes U.S.-Canadian border at 49th parallel; U.S. acquires Oregon territory
. Stephen Kearny invades New Mexico and California1846- 1848Mexican War: U.S. declares war on Mexico in effort to gain California and other territory in Southwest. War concludes with signing of Treaty of Guadalupe Hidalgo Mexico recognizes Rio Grande as new boundary with Texas and, for $15 million, agrees to cede territory comprising present-day California, Nevada, Utah, most of New Mexico and Arizona, and parts of Colorado and Wyoming.1848Gold is discovered at Sutter's Mill in California; gold rush reaches its height the following year
. Women's rights convention is held at Seneca Falls, N.Y.1849Zachary Taylor is inaugurated as the 12th president1853Gadsden Purchase
The utility's name is called Nslookup.exe. It can be very useful.
The question does not make sense; ICMP isn't broken - it is the protocol for informing other devices or users that there are problems on the network, or for control messages in general.
What is the minimum hamming distance?
The minimum Hamming distance between two codewords in coding theory is defined as the smallest number of positions at which the corresponding symbols differ. It is a critical measure for error detection and correction capabilities, as a higher minimum Hamming distance allows for the detection of more errors. For example, a minimum Hamming distance of 3 can detect up to 2 errors and correct 1 error. In general, the minimum Hamming distance is crucial for determining the reliability of a coding scheme.
How many collision domains exist in a network with 15 hosts interconnected by means of a hub?
For any amount of clients connected to a hub you will get a total of 1 collision domain. A hub is a device that simply repeats all of the signals from the ports and does not separate clients into separate collision domains.
Is OSPF link state or distance vector or path vector protocol?
OSPF is a link-state routing protocol.
A WEP key is the passcode used to access a wireless router. Assumedly your PC/laptop also connects to your router, you should be able to get the WEP key from those. Check your router's documentation.
If you do not have a wireless router, then you don't need a WEP key. Any signals your DS picks up, in fact belong to other people, and the WEP key is exactly there to stop unauthorised people using the network.
Depends on what is modifying the controls is using the computers system is operationg.
How can keep one user from accessing shared files intended for another user in peer to peer?
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