Technical Interview Questions On Computer Networks There are several sets of Interview Questions with Answers available on this page for freshers as well as experienced candidates. If decibel is negative then a signal is attenuated and if positive signal is amplified. What are the three type of routing tables and What are the advantages and disadvantages of these? Mesh Topology uses Routing and Flooding techniques for data transmission. These packets are stored in the memory for sometime. A password that combines uppercase and lowercase letters is favorable than one that uses all upper case or all lower case letters. This may happen when the hold-down timer has already expired, or when the router received a processing task that incidentally was proportional to the number of links in the internetwork. Segments are then passed on to the other layers and converted into packets or datagrams.
Use an example or two to back it up. It is availed on a router to share routes with other routers within the same autonomous system. The work of a network administrator resumes to doing different tasks on the computer and giving phone calls for support. Advantages: Inexpensive, easy to install, simple to understand, easy to extend. Operating system is the main software program in computer.
In computer it's known as com port and could be available in 9pin or 25 pin. Crosstalk is the effect of one wire on the other. The factors affecting the performance of a network are hardware, software, transmission medium types and the number of users using the network. What did you like or dislike about your previous job? It prevents malicious access from outside to the computer network. This is your time to shine.
Ans: There are 4 major types of network. Basing on this question the interviewer wants to know how you plan on achieving your goals for the future and what you are going to accomplish. Unlike fully meshed topology, in partially meshed it is not compulsory for each node to have a direct connection with all other nodes. How will check ip address on 98? Answer: Network Topology refers to the layout of a computer network. Why did you leave your last job? Ping What is map drive? Ans: In a Computer Network, different computers are organized in different methods and these methods are — Domains and Workgroups.
It establishes, coordinates, exchange and terminates the connections between local and the remote applications. Signal interference, blockage, and interception not only make it slow but also make it less secure in comparison of wired network. These networks are usually reserved for the biggest customers or some of the original members of the Internet. For Class A, there are 126 possible networks and 16,777,214 hostsFor Class B, there are 16,384 possible networks and 65,534 hostsFor Class C, there are 2,097,152 possible networks and 254 hosts 67 What is the standard color sequence of a straight-through cable? The network topologies are classified as mentioned below 1 Bus Topology: In Bus Topology, all the devices of the network are connected to a common cable also called as the backbone. Do not be too negative when answering the question about your dislike of your previous job. It keeps track of transmission and sends the segments again if the transmission fails. A topology defines how the devices are connected.
These waves can travel in all directions. What major challenges and problems did you face? The extra functionality allows every incoming or outgoing packet to be inspected. But if you're switching careers or trying something a little different, your experience may initially not look like it's matching up. If you fall for this one you shouldn't be hired anyway. Q 28 Explain various types of networks based on their sizes? Also, it cannot be used to send binary files or video or audio data. Advertisements What is the Mesh topology and how it is different from other topologies? This is also an excellent time to send a strategic follow-up letter of interest. Which network topology uses terminators? People skills are people skills after all, you just need to show how customer service skills can apply to internal management positions, and so on.
With this info, they are able to determine the best path for data transfer. How many bits are there in 1 byte? Induced noise comes from sources such as motors and other electronic appliances. You're the seller at this early stage of the process. A special feature that will map network resource to my computer. Incremental backups will select only the data that has changed since the last backup. Keep accessories and jewelry to a minimum.
In a star topology, a central device has many point-to-point connections to other devices. Describe a typical work week? Have a look at the average salary for someone in this industry, area, and who possesses similar skills to yourself, and you should get a basic idea. It is a measure of how much volume a transmission channel can handle, and it is measured in Kbps. The duties of data link layer include packetizing, adderssing, error control, flow control, medium access control. This one job interview tip alone will set you apart from other candidates. .
Explain Store and forward Network. It is any routing protocol used within an autonomous system. Under Differential backup, only the changed text file will be backed up. Handle it by minimizing your weakness and emphasizing your strengths. How adept are you at problem-solving? If your previous co-workers were here, what would they say about you? Impulse noise comes from power lines, lightning etc.